/* Copyright (c) 2001-2014, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb.persist;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.text.SimpleDateFormat;
import java.util.Locale;
import java.util.concurrent.atomic.AtomicInteger;
import org.hsqldb.Database;
import org.hsqldb.DatabaseURL;
import org.hsqldb.HsqlException;
import org.hsqldb.HsqlNameManager;
import org.hsqldb.HsqlNameManager.HsqlName;
import org.hsqldb.NumberSequence;
import org.hsqldb.Row;
import org.hsqldb.Session;
import org.hsqldb.SessionInterface;
import org.hsqldb.SqlInvariants;
import org.hsqldb.Statement;
import org.hsqldb.Table;
import org.hsqldb.TableBase;
import org.hsqldb.Tokens;
import org.hsqldb.TransactionManager;
import org.hsqldb.TransactionManagerMV2PL;
import org.hsqldb.TransactionManagerMVCC;
import org.hsqldb.error.Error;
import org.hsqldb.error.ErrorCode;
import org.hsqldb.index.Index;
import org.hsqldb.index.IndexAVL;
import org.hsqldb.index.IndexAVLMemory;
import org.hsqldb.lib.ArrayUtil;
import org.hsqldb.lib.FileAccess;
import org.hsqldb.lib.FileUtil;
import org.hsqldb.lib.FrameworkLogger;
import org.hsqldb.lib.HashMap;
import org.hsqldb.lib.HsqlArrayList;
import org.hsqldb.lib.InputStreamInterface;
import org.hsqldb.lib.InputStreamWrapper;
import org.hsqldb.lib.Iterator;
import org.hsqldb.lib.SimpleLog;
import org.hsqldb.lib.StringUtil;
import org.hsqldb.lib.tar.DbBackup;
import org.hsqldb.lib.tar.TarMalformatException;
import org.hsqldb.result.Result;
import org.hsqldb.scriptio.ScriptWriterBase;
import org.hsqldb.scriptio.ScriptWriterText;
import org.hsqldb.types.RowType;
import org.hsqldb.types.Type;
// boucherb@users 20030510 - patch 1.7.2 - added cooperative file locking
/**
* The public interface of persistence and logging classes.<p>
*
* Implements a storage manager wrapper that provides a consistent,
* always available interface to storage management for the Database
* class, despite the fact not all Database objects actually use file
* storage.<p>
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 2.3.2
* @since 1.7.0
*/
public class Logger {
public SimpleLog appLog;
public SimpleLog sqlLog;
//
FrameworkLogger fwLogger;
FrameworkLogger sqlLogger;
//
private Database database;
public boolean checkpointRequired;
public boolean checkpointDue;
public boolean checkpointDisabled;
private boolean logsStatements; // false indicates Log is being opened
private boolean loggingEnabled;
private boolean syncFile = false;
//
boolean propIsFileDatabase;
boolean propIncrementBackup;
boolean propNioDataFile;
long propNioMaxSize = 256 * 1024 * 1024L;
int propMaxFreeBlocks = 512;
int propCacheMaxRows;
long propCacheMaxSize;
int propCacheDefragLimit;
int propDataFileScale;
String propTextSourceDefault = "";
boolean propTextAllowFullPath;
int propWriteDelay;
int propLogSize;
boolean propLogData = true;
int propEventLogLevel;
int propSqlLogLevel;
int propGC;
int propTxMode = TransactionManager.LOCKS;
boolean propRefIntegrity = true;
int propLobBlockSize = 32 * 1024;
boolean propCompressLobs;
int propScriptFormat = 0;
boolean propLargeData;
int propFileSpaceValue;
int propCheckPersistence;
//
Log log;
private LockFile lockFile;
private Crypto crypto;
boolean cryptLobs;
public FileAccess fileAccess;
public boolean isStoredFileAccess;
public boolean isNewStoredFileAccess;
String tempDirectoryPath;
//
private HashMap textCacheList = new HashMap();
//
public boolean isNewDatabase;
//
public boolean isSingleFile;
//
AtomicInteger backupState = new AtomicInteger();
//
static final int largeDataFactor = 128;
//
static final int stateNormal = 0;
static final int stateBackup = 1;
static final int stateCheckpoint = 2;
//
public static final String oldFileExtension = ".old";
public static final String newFileExtension = ".new";
public static final String appLogFileExtension = ".app.log";
public static final String sqlLogFileExtension = ".sql.log";
public static final String logFileExtension = ".log";
public static final String scriptFileExtension = ".script";
public static final String propertiesFileExtension = ".properties";
public static final String dataFileExtension = ".data";
public static final String backupFileExtension = ".backup";
public static final String lobsFileExtension = ".lobs";
public static final String lockFileExtension = ".lck";
public Logger(Database database) {
this.database = database;
}
/**
* Opens the specified Database object's database files and starts up
* the logging process. <p>
*
* If the specified Database object is a new database, its database
* files are first created.
*
* @throws HsqlException if there is a problem, such as the case when
* the specified files are in use by another process
*/
public void open() {
// oj@openoffice.org - changed to file access api
String fileaccess_class_name =
(String) database.getURLProperties().getProperty(
HsqlDatabaseProperties.url_fileaccess_class_name);
String storage_class_name =
(String) database.getURLProperties().getProperty(
HsqlDatabaseProperties.url_storage_class_name);
boolean hasFileProps = false;
boolean hasScript = false;
if (fileaccess_class_name != null) {
String storagekey = database.getURLProperties().getProperty(
HsqlDatabaseProperties.url_storage_key);
try {
Class fileAccessClass = null;
Class storageClass = null;
try {
ClassLoader classLoader =
Thread.currentThread().getContextClassLoader();
fileAccessClass =
classLoader.loadClass(fileaccess_class_name);
storageClass = classLoader.loadClass(storage_class_name);
} catch (ClassNotFoundException e) {
fileAccessClass = Class.forName(fileaccess_class_name);
storageClass = Class.forName(storage_class_name);
}
if (storageClass.isAssignableFrom(
RandomAccessInterface.class)) {
isNewStoredFileAccess = true;
}
Constructor constructor =
fileAccessClass.getConstructor(new Class[]{
Object.class });
fileAccess =
(FileAccess) constructor.newInstance(new Object[]{
storagekey });
isStoredFileAccess = true;
} catch (java.lang.ClassNotFoundException e) {
System.out.println("ClassNotFoundException");
} catch (java.lang.InstantiationException e) {
System.out.println("InstantiationException");
} catch (java.lang.IllegalAccessException e) {
System.out.println("IllegalAccessException");
} catch (Exception e) {
System.out.println("Exception");
}
} else {
fileAccess = FileUtil.getFileAccess(database.isFilesInJar());
}
propIsFileDatabase =
DatabaseURL.isFileBasedDatabaseType(database.getType());
database.databaseProperties = new HsqlDatabaseProperties(database);
propTextAllowFullPath = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.textdb_allow_full_path);
if (propIsFileDatabase) {
hasFileProps = database.databaseProperties.load();
hasScript = fileAccess.isStreamElement(database.getPath()
+ scriptFileExtension);
boolean exists;
if (database.databaseProperties.isVersion18()) {
exists = hasFileProps;
database.databaseProperties.setProperty(
HsqlDatabaseProperties.hsqldb_inc_backup, false);
} else {
exists = hasScript;
if (!exists) {
exists =
fileAccess.isStreamElement(database.getPath()
+ scriptFileExtension
+ Logger.newFileExtension);
if (exists) {
database.databaseProperties.setDBModified(
HsqlDatabaseProperties.FILES_MODIFIED_NEW);
}
}
}
isNewDatabase = !exists;
} else {
isNewDatabase = true;
}
if (isNewDatabase) {
String name = newUniqueName();
database.setUniqueName(name);
boolean checkExists = database.isFilesInJar();
checkExists |=
(database.urlProperties
.isPropertyTrue(HsqlDatabaseProperties
.url_ifexists) || !database.urlProperties
.isPropertyTrue(HsqlDatabaseProperties
.url_create, true));
if (checkExists) {
throw Error.error(ErrorCode.DATABASE_NOT_EXISTS,
database.getPath());
}
database.databaseProperties.setURLProperties(
database.urlProperties);
} else {
if (!hasFileProps) {
database.databaseProperties.setDBModified(
HsqlDatabaseProperties.FILES_MODIFIED);
}
// properties that also apply to existing database only if they exist
if (database.urlProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_files_readonly)) {
database.databaseProperties.setProperty(
HsqlDatabaseProperties.hsqldb_files_readonly, true);
}
if (database.urlProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_readonly)) {
database.databaseProperties.setProperty(
HsqlDatabaseProperties.hsqldb_readonly, true);
}
// hsqldb.lock_file=false is applied
if (!database.urlProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_lock_file, true)) {
database.databaseProperties.setProperty(
HsqlDatabaseProperties.hsqldb_lock_file, false);
}
}
setVariables();
String appLogPath = null;
String sqlLogPath = null;
if (propIsFileDatabase && !database.isFilesReadOnly()) {
appLogPath = database.getPath() + appLogFileExtension;
sqlLogPath = database.getPath() + sqlLogFileExtension;
}
appLog = new SimpleLog(appLogPath, propEventLogLevel, false);
sqlLog = new SimpleLog(sqlLogPath, propSqlLogLevel, true);
database.setReferentialIntegrity(propRefIntegrity);
if (!isFileDatabase()) {
return;
}
checkpointRequired = false;
logsStatements = false;
boolean useLock = database.getProperties().isPropertyTrue(
HsqlDatabaseProperties.hsqldb_lock_file);
if (useLock && !database.isFilesReadOnly()) {
acquireLock(database.getPath());
}
boolean version18 = database.databaseProperties.isVersion18();
if (version18) {
database.setUniqueName(newUniqueName());
database.schemaManager.createPublicSchema();
HsqlName name = database.schemaManager.findSchemaHsqlName(
SqlInvariants.PUBLIC_SCHEMA);
database.schemaManager.setDefaultSchemaHsqlName(name);
}
log = new Log(database);
log.open();
logsStatements = true;
loggingEnabled = propLogData && !database.isFilesReadOnly();
if (version18) {
checkpoint(false);
}
if (database.getUniqueName() == null) {
database.setUniqueName(newUniqueName());
}
// URL database properties that can override .script file settings
int level = database.urlProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_applog, -1);
if (level >= 0) {
setEventLogLevel(level, false);
}
level = database.urlProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_sqllog, -1);
if (level >= 0) {
setEventLogLevel(level, true);
}
}
private void setVariables() {
String cryptKey = database.urlProperties.getProperty(
HsqlDatabaseProperties.url_crypt_key);
if (cryptKey != null) {
String cryptType = database.urlProperties.getProperty(
HsqlDatabaseProperties.url_crypt_type);
String cryptProvider = database.urlProperties.getProperty(
HsqlDatabaseProperties.url_crypt_provider);
crypto = new Crypto(cryptKey, cryptType, cryptProvider);
cryptLobs = database.urlProperties.isPropertyTrue(
HsqlDatabaseProperties.url_crypt_lobs, true);
}
if (database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_readonly)) {
database.setReadOnly();
}
if (database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_files_readonly)) {
database.setFilesReadOnly();
}
// handle invalid paths as well as access issues
if (!database.isFilesReadOnly()) {
if (database.getType() == DatabaseURL.S_MEM
|| isStoredFileAccess) {
tempDirectoryPath = database.getProperties().getStringProperty(
HsqlDatabaseProperties.hsqldb_temp_directory);
} else {
tempDirectoryPath = database.getPath() + ".tmp";
}
if (tempDirectoryPath != null) {
tempDirectoryPath =
FileUtil.makeDirectories(tempDirectoryPath);
}
}
propScriptFormat = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_script_format);
boolean version18 = database.databaseProperties.isVersion18();
propMaxFreeBlocks = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_cache_free_count);
propMaxFreeBlocks = ArrayUtil.getTwoPowerFloor(propMaxFreeBlocks);
if (database.urlProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_large_data, false)) {
propLargeData = true;
}
propCheckPersistence = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_files_check);
if (!database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_pad_space, true)) {
database.collation.setPadding(false);
}
if (version18 && isStoredFileAccess) {
database.collation.setPadding(false);
}
String temp = database.getProperties().getStringPropertyDefault(
HsqlDatabaseProperties.hsqldb_digest);
database.granteeManager.setDigestAlgo(temp);
if (!isNewDatabase && !version18) {
return;
}
temp = database.databaseProperties.getStringProperty(
HsqlDatabaseProperties.hsqldb_digest);
database.granteeManager.setDigestAlgo(temp);
if (tempDirectoryPath != null) {
int rows = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_result_max_memory_rows);
database.setResultMaxMemoryRows(rows);
}
String tableType = database.databaseProperties.getStringProperty(
HsqlDatabaseProperties.hsqldb_default_table_type);
if ("CACHED".equalsIgnoreCase(tableType)) {
database.schemaManager.setDefaultTableType(TableBase.CACHED_TABLE);
}
String txMode = database.databaseProperties.getStringProperty(
HsqlDatabaseProperties.hsqldb_tx);
if (Tokens.T_MVCC.equalsIgnoreCase(txMode)) {
propTxMode = TransactionManager.MVCC;
} else if (Tokens.T_MVLOCKS.equalsIgnoreCase(txMode)) {
propTxMode = TransactionManager.MVLOCKS;
} else if (Tokens.T_LOCKS.equalsIgnoreCase(txMode)) {
propTxMode = TransactionManager.LOCKS;
}
switch (propTxMode) {
case TransactionManager.LOCKS :
break;
case TransactionManager.MVLOCKS :
database.txManager = new TransactionManagerMV2PL(database);
break;
case TransactionManager.MVCC :
database.txManager = new TransactionManagerMVCC(database);
break;
}
String txLevel = database.databaseProperties.getStringProperty(
HsqlDatabaseProperties.hsqldb_tx_level);
if (Tokens.T_SERIALIZABLE.equalsIgnoreCase(txLevel)) {
database.defaultIsolationLevel = SessionInterface.TX_SERIALIZABLE;
} else {
database.defaultIsolationLevel =
SessionInterface.TX_READ_COMMITTED;
}
database.txConflictRollback =
database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_tx_conflict_rollback);
database.sqlEnforceNames = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_enforce_names);
database.sqlRegularNames = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_regular_names);
database.sqlEnforceRefs = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_enforce_refs);
database.sqlEnforceSize = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_enforce_size);
database.sqlEnforceTypes = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_enforce_types);
database.sqlEnforceTDCD = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_enforce_tdcd);
database.sqlEnforceTDCU = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_enforce_tdcu);
database.sqlTranslateTTI = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.jdbc_translate_tti_types);
database.sqlConcatNulls = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_concat_nulls);
database.sqlNullsFirst = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_nulls_first);
database.sqlNullsOrder = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_nulls_order);
database.sqlUniqueNulls = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_unique_nulls);
database.sqlConvertTruncate =
database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_convert_trunc);
database.sqlAvgScale = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.sql_avg_scale);
database.sqlDoubleNaN = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_double_nan);
database.sqlLongvarIsLob = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_longvar_is_lob);
database.sqlIgnoreCase = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_ignore_case);
database.sqlSyntaxDb2 = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_syntax_db2);
database.sqlSyntaxMss = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_syntax_mss);
database.sqlSyntaxMys = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_syntax_mys);
database.sqlSyntaxOra = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_syntax_ora);
database.sqlSyntaxPgs = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_syntax_pgs);
if (database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_compare_in_locale)) {
database.collation.setCollationAsLocale();
}
propEventLogLevel = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_applog);
propSqlLogLevel = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_sqllog);
if (database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_files_readonly)) {
database.setFilesReadOnly();
}
if (database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_readonly)) {
database.setReadOnly();
}
propIncrementBackup = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_inc_backup);
propNioDataFile = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_nio_data_file);
propNioMaxSize =
database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_nio_max_size) * 1024 * 1024L;
propCacheMaxRows = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_cache_rows);
propCacheMaxSize =
database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_cache_size) * 1024L;
setLobFileScaleNoCheck(
database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_lob_file_scale));
setDataFileScaleNoCheck(
database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_cache_file_scale));
// apply only when larger than 0 - match with FILES SCALE
int fileSpace = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_files_space, 0);
if (fileSpace != 0) {
setDataFileSpaces(fileSpace);
}
propCacheDefragLimit = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_defrag_limit);
propWriteDelay = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_write_delay_millis);
if (!database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_write_delay)) {
propWriteDelay = 0;
}
propLogSize = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.hsqldb_log_size);
propLogData = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.hsqldb_log_data);
propGC = database.databaseProperties.getIntegerProperty(
HsqlDatabaseProperties.runtime_gc_interval);
propRefIntegrity = database.databaseProperties.isPropertyTrue(
HsqlDatabaseProperties.sql_ref_integrity);
}
// fredt@users 20020130 - patch 495484 by boucherb@users
/**
* Shuts down the logging process using the specified mode. <p>
*
* @param closemode The mode in which to shut down the logging
* process
* <OL>
* <LI> CLOSEMODE_IMMEDIATELY performs SHUTDOWN IMMEDIATELY, equivalent
* to a poweroff or crash.
* <LI> CLOSEMODE_NORMAL performs a normal SHUTDOWN that
* checkpoints the database normally.
* <LI> CLOSEMODE_COMPACT performs a shutdown compact that scripts
* out the contents of any CACHED tables to the log then
* deletes the existing *.data file that contains the data
* for all CACHED table before the normal checkpoint process
* which in turn creates a new, compact *.data file.
* <LI> CLOSEMODE_SCRIPT performs a SHUTDOWN SCRIPT.
* </OL>
*
* @return true if closed with no problems or false if a problem was
* encountered.
*/
public boolean close(int closemode) {
boolean result = true;
if (log == null) {
closeAllTextCaches(false);
return true;
}
log.synchLog();
database.lobManager.synch();
try {
switch (closemode) {
case Database.CLOSEMODE_IMMEDIATELY :
log.shutdown();
break;
case Database.CLOSEMODE_NORMAL :
log.close(false);
break;
case Database.CLOSEMODE_COMPACT :
case Database.CLOSEMODE_SCRIPT :
log.close(true);
break;
}
database.persistentStoreCollection.release();
} catch (Throwable e) {
database.logger.logSevereEvent("error closing log", e);
result = false;
}
logInfoEvent("Database closed");
log = null;
appLog.close();
sqlLog.close();
logsStatements = false;
loggingEnabled = false;
return result;
}
String newUniqueName() {
String name = StringUtil.toPaddedString(
Long.toHexString(System.currentTimeMillis()), 16, '0', false);
name = "HSQLDB" + name.substring(6).toUpperCase(Locale.ENGLISH);
return name;
}
/*
* Must return correct mode prior to initialisation
* @return true if this object encapsulates a non-null Log instance,
* else false
*/
public boolean isLogged() {
return propIsFileDatabase && !database.isFilesReadOnly();
}
public boolean isAllowedFullPath() {
return this.propTextAllowFullPath;
}
/**
* All usage of FrameworkLogger should call this method before using an
* instance.
*
* It ensures and requires that no logging should take place before a new
* database unique name has been created for a new database or read from the
* .script file for an old database.<p>
*
* An instance is returned when:
* - database unique name has been created
* - FrameworkLogger would use log4j
*
* Otherwise null is returned.
*
* This tactic avoids usage of file-based jdk logging for the time being.
*
*/
private void getEventLogger() {
if (fwLogger != null) {
return;
}
String name = database.getUniqueName();
if (name == null) {
// The database unique name is set up at different times
// depending on upgraded / exiting / new databases.
// Therefore FrameworkLogger is not used until the unique
// name is known.
return;
}
fwLogger = FrameworkLogger.getLog(SimpleLog.logTypeNameEngine,
"hsqldb.db."
+ database.getUniqueName());
/*
sqlLogger = FrameworkLogger.getLog(SimpleLog.logTypeNameEngine,
"hsqldb.sql."
+ database.getUniqueName());
*/
}
public void setEventLogLevel(int level, boolean logSql) {
if (level < SimpleLog.LOG_NONE || level > SimpleLog.LOG_RESULT) {
throw Error.error(ErrorCode.X_42556);
}
if (logSql) {
propSqlLogLevel = level;
sqlLog.setLevel(level);
} else {
if (level > SimpleLog.LOG_DETAIL) {
level = SimpleLog.LOG_DETAIL;
}
propEventLogLevel = level;
appLog.setLevel(level);
}
}
public void logSevereEvent(String message, Throwable t) {
getEventLogger();
if (fwLogger != null) {
fwLogger.severe(message, t);
}
if (appLog != null) {
if (t == null) {
appLog.logContext(SimpleLog.LOG_ERROR, message);
} else {
appLog.logContext(t, message, SimpleLog.LOG_ERROR);
}
}
}
public void logWarningEvent(String message, Throwable t) {
getEventLogger();
if (fwLogger != null) {
fwLogger.warning(message, t);
}
appLog.logContext(t, message, SimpleLog.LOG_ERROR);
}
public void logInfoEvent(String message) {
getEventLogger();
if (fwLogger != null) {
fwLogger.info(message);
}
appLog.logContext(SimpleLog.LOG_NORMAL, message);
}
public void logDetailEvent(String message) {
getEventLogger();
if (fwLogger != null) {
fwLogger.finest(message);
}
if (appLog != null) {
appLog.logContext(SimpleLog.LOG_DETAIL, message);
}
}
public void logStatementEvent(Session session, Statement statement,
Object[] paramValues, Result result,
int level) {
if (sqlLog != null && level <= propSqlLogLevel) {
String sessionId = Long.toString(session.getId());
String sql = statement.getSQL();
String values = "";
int paramLength = 0;
if (propSqlLogLevel < SimpleLog.LOG_DETAIL) {
if (sql.length() > 256) {
sql = sql.substring(0, 256);
}
paramLength = 32;
}
if (paramValues != null && paramValues.length > 0) {
values = RowType.convertToSQLString(
paramValues,
statement.getParametersMetaData().getParameterTypes(),
paramLength);
}
if (propSqlLogLevel == SimpleLog.LOG_RESULT) {
StringBuffer sb = new StringBuffer(values);
sb.append(' ').append('[');
if (result.isError()) {
sb.append(result.getErrorCode());
} else if (result.isData()) {
sb.append(result.getNavigator().getSize());
} else if (result.isUpdateCount()) {
sb.append(result.getUpdateCount());
}
sb.append(']');
values = sb.toString();
}
sqlLog.logContext(level, sessionId, sql, values);
}
}
public int getSqlEventLogLevel() {
return propSqlLogLevel;
}
/**
* Returns the Cache object or null if one doesn't exist.
*/
public DataFileCache getCache() {
if (log == null) {
return null;
} else {
return log.getCache();
}
}
/**
* Returns true if Cache object exists.
*/
private boolean hasCache() {
if (log == null) {
return false;
} else {
return log.hasCache();
}
}
/**
* Records a Log entry for the specified SQL statement, on behalf of
* the specified Session object.
*/
public synchronized void writeOtherStatement(Session session,
String statement) {
if (loggingEnabled) {
log.writeOtherStatement(session, statement);
}
}
/**
* Used exclusively by PersistentStore objects
*/
public synchronized void writeInsertStatement(Session session, Row row,
Table table) {
if (loggingEnabled) {
log.writeInsertStatement(session, row, table);
}
}
/**
* Used exclusively by PersistentStore objects
*/
public synchronized void writeDeleteStatement(Session session, Table t,
Object[] row) {
if (loggingEnabled) {
log.writeDeleteStatement(session, t, row);
}
}
/**
* Used at transaction commit
*/
public synchronized void writeSequenceStatement(Session session,
NumberSequence s) {
if (loggingEnabled) {
log.writeSequenceStatement(session, s);
}
}
/**
* Used at transaction commit
*/
public synchronized void writeCommitStatement(Session session) {
if (loggingEnabled) {
log.writeCommitStatement(session);
}
}
public synchronized void synchLog() {
if (loggingEnabled) {
log.synchLog();
}
}
/**
* Checkpoints the database. <p>
*
* The most important effect of calling this method is to cause the
* log file to be rewritten in the most efficient form to
* reflect the current state of the database, i.e. only the DDL and
* insert DML required to recreate the database in its present state.
* Other house-keeping duties are performed w.r.t. other database
* files, in order to ensure as much as possible the ACID properites
* of the database.
*
* @throws HsqlException if there is a problem checkpointing the
* database
*/
public synchronized void checkpoint(boolean mode) {
if (!backupState.compareAndSet(stateNormal, stateCheckpoint)) {
throw Error.error(ErrorCode.ACCESS_IS_DENIED);
}
try {
checkpointInternal(mode);
} finally {
backupState.set(stateNormal);
}
}
void checkpointInternal(boolean mode) {
if (logsStatements) {
logInfoEvent("Checkpoint start");
log.checkpoint(mode);
logInfoEvent("Checkpoint end - txts: "
+ database.txManager.getGlobalChangeTimestamp());
} else if (!isFileDatabase()) {
database.lobManager.deleteUnusedLobs();
}
checkpointRequired = false;
checkpointDue = false;
}
/**
* Sets the maximum size to which the log file can grow
* before being automatically checkpointed.
*
* @param megas size in MB
*/
public synchronized void setLogSize(int megas) {
propLogSize = megas;
if (log != null) {
log.setLogSize(propLogSize);
}
}
/**
* Sets logging on or off.
*/
public synchronized void setLogData(boolean mode) {
propLogData = mode;
loggingEnabled = propLogData && !database.isFilesReadOnly();
loggingEnabled &= logsStatements;
}
/**
* Sets the type of script file, currently 0 for text (default)
* 3 for compressed
*
* @param format The type
*/
public synchronized void setScriptType(int format) {
if (format == propScriptFormat) {
return;
}
propScriptFormat = format;
checkpointRequired = true;
}
/**
* Sets the log write delay mode to number of seconds. By default
* executed commands written to the log are committed fully at most
* 0.5 second after they are executed. This improves performance for
* applications that execute a large number
* of short running statements in a short period of time, but risks
* failing to log some possibly large number of statements in the
* event of a crash. A small value improves recovery.
* A value of 0 will severly slow down logging when autocommit is on,
* or many short transactions are committed.
*
* @param delay in milliseconds
*/
public synchronized void setWriteDelay(int delay) {
propWriteDelay = delay;
if (log != null) {
syncFile = (delay == 0);
log.setWriteDelay(delay);
}
}
public Crypto getCrypto() {
return crypto;
}
public int getWriteDelay() {
return propWriteDelay;
}
public int getLogSize() {
return propLogSize;
}
public int getLobBlockSize() {
return propLobBlockSize;
}
public synchronized void setIncrementBackup(boolean val) {
if (val == propIncrementBackup) {
return;
}
if (log != null) {
log.setIncrementBackup(val);
if (log.hasCache()) {
checkpointRequired = true;
}
}
propIncrementBackup = val;
}
public void setCacheMaxRows(int value) {
propCacheMaxRows = value;
}
public int getCacheRowsDefault() {
return propCacheMaxRows;
}
public void setCacheSize(int value) {
propCacheMaxSize = value * 1024L;
}
public long getCacheSize() {
return propCacheMaxSize;
}
public void setDataFileScale(int value) {
if (propDataFileScale == value) {
return;
}
checkPower(value, 10);
if (value < 8 && value != 1) {
throw Error.error(ErrorCode.X_42556);
}
if (hasCache()) {
throw Error.error(ErrorCode.DATA_FILE_IN_USE);
}
propDataFileScale = value;
}
public void setDataFileScaleNoCheck(int value) {
checkPower(value, 10);
if (value < 8 && value != 1) {
throw Error.error(ErrorCode.X_42556);
}
propDataFileScale = value;
}
public int getDataFileScale() {
return propDataFileScale;
}
public int getDataFileFactor() {
return propLargeData ? largeDataFactor
: 1;
}
public void setDataFileSpaces(boolean value) {
if (value) {
setDataFileSpaces(propDataFileScale / 16);
} else {
setDataFileSpaces(0);
}
}
public void setDataFileSpaces(int value) {
if (propFileSpaceValue == value) {
return;
}
if (value != 0) {
checkPower(value, 6);
}
if (value > propDataFileScale / 16) {
value = propDataFileScale / 16;
}
if (hasCache()) {
DataFileCache dataCache = getCache();
boolean result = dataCache.setTableSpaceManager(value);
if (!result) {
return;
}
database.persistentStoreCollection.setNewTableSpaces();
}
propFileSpaceValue = value;
}
public int getDataFileSpaces() {
return propFileSpaceValue;
}
public void setFilesCheck(int value) {
if (value == 1 || value == 0) {
propCheckPersistence = value;
}
}
public void setLobFileScale(int value) {
if (propLobBlockSize == value * 1024) {
return;
}
checkPower(value, 5);
if (database.lobManager.getLobCount() > 0) {
throw Error.error(ErrorCode.DATA_FILE_IN_USE);
}
propLobBlockSize = value * 1024;
database.lobManager.close();
database.lobManager.open();
}
public void setLobFileScaleNoCheck(int value) {
checkPower(value, 5);
propLobBlockSize = value * 1024;
}
public int getLobFileScale() {
return propLobBlockSize / 1024;
}
public void setLobFileCompressed(boolean value) {
if (propCompressLobs == value) {
return;
}
if (database.lobManager.getLobCount() > 0) {
throw Error.error(ErrorCode.DATA_FILE_IN_USE);
}
propCompressLobs = value;
database.lobManager.close();
database.lobManager.open();
}
public void setLobFileCompressedNoCheck(boolean value) {
propCompressLobs = value;
}
public void setDefagLimit(int value) {
propCacheDefragLimit = value;
}
public int getDefragLimit() {
return propCacheDefragLimit;
}
public void setDefaultTextTableProperties(String source,
HsqlProperties props) {
props.setProperty(HsqlDatabaseProperties.url_check_props, true);
database.getProperties().setURLProperties(props);
this.propTextSourceDefault = source;
}
public void setNioDataFile(boolean value) {
propNioDataFile = value;
}
public void setNioMaxSize(int value) {
if (value < 8) {
throw Error.error(ErrorCode.X_42556);
}
if (!ArrayUtil.isTwoPower(value, 10)) {
if (value < 1024 || value % 512 != 0) {
throw Error.error(ErrorCode.X_42556);
}
}
propNioMaxSize = value * 1024L * 1024L;
}
public FileAccess getFileAccess() {
return fileAccess;
}
public boolean isStoredFileAccess() {
return isStoredFileAccess;
}
public boolean isNewStoredFileAccess() {
return isNewStoredFileAccess;
}
public boolean isFileDatabase() {
return propIsFileDatabase;
}
public String getTempDirectoryPath() {
return tempDirectoryPath;
}
static void checkPower(int n, int max) {
if (!ArrayUtil.isTwoPower(n, max)) {
throw Error.error(ErrorCode.X_42556);
}
}
public synchronized void setCheckpointRequired() {
checkpointRequired = true;
}
public synchronized boolean needsCheckpointReset() {
if (checkpointRequired && !checkpointDue && !checkpointDisabled) {
checkpointDue = true;
checkpointRequired = false;
return true;
}
return false;
}
public boolean hasLockFile() {
return lockFile != null;
}
public void acquireLock(String path) {
if (lockFile != null) {
return;
}
lockFile = LockFile.newLockFileLock(path);
}
public void releaseLock() {
try {
if (lockFile != null) {
lockFile.tryRelease();
}
} catch (Exception e) {}
lockFile = null;
}
public PersistentStore newStore(Session session,
PersistentStoreCollection collection,
TableBase table) {
switch (table.getTableType()) {
case TableBase.CACHED_TABLE :
DataFileCache cache = getCache();
if (cache == null) {
break;
}
return new RowStoreAVLDisk(collection, cache, (Table) table);
case TableBase.MEMORY_TABLE :
case TableBase.SYSTEM_TABLE :
return new RowStoreAVLMemory(collection, (Table) table);
case TableBase.TEXT_TABLE :
return new RowStoreAVLDiskData(collection, (Table) table);
case TableBase.INFO_SCHEMA_TABLE :
return new RowStoreAVLHybridExtended(session, collection,
table, false);
case TableBase.TEMP_TABLE :
return new RowStoreAVLHybridExtended(session, collection,
table, true);
case TableBase.CHANGE_SET_TABLE :
return new RowStoreDataChange(session, collection, table);
case TableBase.FUNCTION_TABLE :
case TableBase.RESULT_TABLE :
case TableBase.SYSTEM_SUBQUERY :
case TableBase.VIEW_TABLE :
case TableBase.TRANSITION_TABLE :
if (session == null) {
return null;
}
return new RowStoreAVLHybrid(session, collection, table, true);
}
throw Error.runtimeError(ErrorCode.U_S0500, "Logger");
}
public Index newIndex(HsqlName name, long id, TableBase table,
int[] columns, boolean[] descending,
boolean[] nullsLast, Type[] colTypes, boolean pk,
boolean unique, boolean constraint,
boolean forward) {
switch (table.getTableType()) {
case TableBase.INFO_SCHEMA_TABLE :
case TableBase.SYSTEM_TABLE :
case TableBase.MEMORY_TABLE :
return new IndexAVLMemory(name, id, table, columns,
descending, nullsLast, colTypes, pk,
unique, constraint, forward);
case TableBase.CACHED_TABLE :
case TableBase.CHANGE_SET_TABLE :
case TableBase.FUNCTION_TABLE :
case TableBase.TEXT_TABLE :
case TableBase.TEMP_TABLE :
case TableBase.RESULT_TABLE :
case TableBase.SYSTEM_SUBQUERY :
case TableBase.VIEW_TABLE :
case TableBase.TRANSITION_TABLE :
return new IndexAVL(name, id, table, columns, descending,
nullsLast, colTypes, pk, unique,
constraint, forward);
}
throw Error.runtimeError(ErrorCode.U_S0500, "Logger");
}
public Index newIndex(Table table, Index index, int[] columns) {
boolean[] modeFlags = new boolean[columns.length];
Type[] colTypes = new Type[columns.length];
ArrayUtil.projectRow(table.getColumnTypes(), columns, colTypes);
return newIndex(index.getName(), index.getPersistenceId(), table,
columns, modeFlags, modeFlags, colTypes, false, false,
false, false);
}
public String getValueStringForProperty(String name) {
String value = "";
if (HsqlDatabaseProperties.hsqldb_tx.equals(name)) {
switch (database.txManager.getTransactionControl()) {
case TransactionManager.MVCC :
value = Tokens.T_MVCC.toLowerCase();
break;
case TransactionManager.MVLOCKS :
value = Tokens.T_MVLOCKS.toLowerCase();
break;
case TransactionManager.LOCKS :
value = Tokens.T_LOCKS.toLowerCase();
break;
}
return value;
}
if (HsqlDatabaseProperties.hsqldb_tx_level.equals(name)) {
switch (database.defaultIsolationLevel) {
case SessionInterface.TX_READ_COMMITTED :
value = new StringBuffer(Tokens.T_READ).append(' ').append(
Tokens.T_COMMITTED).toString().toLowerCase();
break;
case SessionInterface.TX_SERIALIZABLE :
value = Tokens.T_SERIALIZABLE.toLowerCase();
break;
}
return value;
}
if (HsqlDatabaseProperties.hsqldb_applog.equals(name)) {
return String.valueOf(appLog.getLevel());
}
if (HsqlDatabaseProperties.hsqldb_sqllog.equals(name)) {
return String.valueOf(sqlLog.getLevel());
}
if (HsqlDatabaseProperties.hsqldb_lob_file_scale.equals(name)) {
return String.valueOf(propLobBlockSize / 1024);
}
if (HsqlDatabaseProperties.hsqldb_lob_file_compressed.equals(name)) {
return String.valueOf(propCompressLobs);
}
if (HsqlDatabaseProperties.hsqldb_cache_file_scale.equals(name)) {
return String.valueOf(propDataFileScale);
}
if (HsqlDatabaseProperties.hsqldb_cache_free_count.equals(name)) {
return String.valueOf(propMaxFreeBlocks);
}
if (HsqlDatabaseProperties.hsqldb_cache_rows.equals(name)) {
return String.valueOf(propCacheMaxRows);
}
if (HsqlDatabaseProperties.hsqldb_cache_size.equals(name)) {
return String.valueOf(propCacheMaxSize / 1024);
}
if (HsqlDatabaseProperties.hsqldb_default_table_type.equals(name)) {
return database.schemaManager.getDefaultTableType()
== TableBase.CACHED_TABLE ? "cached"
: "memory";
}
if (HsqlDatabaseProperties.hsqldb_defrag_limit.equals(name)) {
return String.valueOf(propCacheDefragLimit);
}
if (HsqlDatabaseProperties.hsqldb_files_check.equals(name)) {
return String.valueOf(propCheckPersistence);
}
if (HsqlDatabaseProperties.hsqldb_files_space.equals(name)) {
return String.valueOf(propFileSpaceValue);
}
if (HsqlDatabaseProperties.hsqldb_files_readonly.equals(name)) {
return database.databaseProperties.getPropertyString(
HsqlDatabaseProperties.hsqldb_files_readonly);
}
if (HsqlDatabaseProperties.hsqldb_inc_backup.equals(name)) {
return String.valueOf(propIncrementBackup);
}
if (HsqlDatabaseProperties.hsqldb_large_data.equals(name)) {
return String.valueOf(propLargeData);
}
if (HsqlDatabaseProperties.hsqldb_large_data.equals(name)) {
return String.valueOf(propLargeData);
}
if (HsqlDatabaseProperties.hsqldb_lock_file.equals(name)) {
return database.databaseProperties.getPropertyString(
HsqlDatabaseProperties.hsqldb_lock_file);
}
if (HsqlDatabaseProperties.hsqldb_log_data.equals(name)) {
return String.valueOf(propLogData);
}
if (HsqlDatabaseProperties.hsqldb_log_size.equals(name)) {
return String.valueOf(propLogSize);
}
if (HsqlDatabaseProperties.hsqldb_nio_data_file.equals(name)) {
return String.valueOf(propNioDataFile);
}
if (HsqlDatabaseProperties.hsqldb_nio_max_size.equals(name)) {
return String.valueOf(propNioMaxSize / (1024 * 1024));
}
if (HsqlDatabaseProperties.hsqldb_script_format.equals(name)) {
return ScriptWriterBase.LIST_SCRIPT_FORMATS[0].toLowerCase();
}
if (HsqlDatabaseProperties.hsqldb_temp_directory.equals(name)) {
return tempDirectoryPath;
}
if (HsqlDatabaseProperties.hsqldb_tx_conflict_rollback.equals(name)) {
return String.valueOf(database.txConflictRollback);
}
if (HsqlDatabaseProperties.hsqldb_result_max_memory_rows.equals(
name)) {
return String.valueOf(database.getResultMaxMemoryRows());
}
if (HsqlDatabaseProperties.hsqldb_write_delay.equals(name)) {
return String.valueOf(propWriteDelay != 0);
}
if (HsqlDatabaseProperties.hsqldb_write_delay_millis.equals(name)) {
return String.valueOf(propWriteDelay);
}
if (HsqlDatabaseProperties.hsqldb_digest.equals(name)) {
return database.granteeManager.getDigestAlgo();
}
if (HsqlDatabaseProperties.sql_avg_scale.equals(name)) {
return String.valueOf(database.sqlAvgScale);
}
if (HsqlDatabaseProperties.sql_concat_nulls.equals(name)) {
return String.valueOf(database.sqlConcatNulls);
}
if (HsqlDatabaseProperties.sql_convert_trunc.equals(name)) {
return String.valueOf(database.sqlConvertTruncate);
}
if (HsqlDatabaseProperties.sql_double_nan.equals(name)) {
return String.valueOf(database.sqlDoubleNaN);
}
if (HsqlDatabaseProperties.sql_enforce_names.equals(name)) {
return String.valueOf(database.sqlEnforceNames);
}
if (HsqlDatabaseProperties.sql_enforce_refs.equals(name)) {
return String.valueOf(database.sqlEnforceRefs);
}
if (HsqlDatabaseProperties.sql_enforce_size.equals(name)) {
return String.valueOf(database.sqlEnforceSize);
}
if (HsqlDatabaseProperties.sql_enforce_tdcd.equals(name)) {
return String.valueOf(database.sqlEnforceTDCD);
}
if (HsqlDatabaseProperties.sql_enforce_tdcu.equals(name)) {
return String.valueOf(database.sqlEnforceTDCU);
}
if (HsqlDatabaseProperties.sql_enforce_types.equals(name)) {
return String.valueOf(database.sqlEnforceTypes);
}
if (HsqlDatabaseProperties.sql_ignore_case.equals(name)) {
return String.valueOf(database.sqlIgnoreCase);
}
if (HsqlDatabaseProperties.sql_longvar_is_lob.equals(name)) {
return String.valueOf(database.sqlLongvarIsLob);
}
if (HsqlDatabaseProperties.sql_nulls_first.equals(name)) {
return String.valueOf(database.sqlNullsFirst);
}
if (HsqlDatabaseProperties.sql_nulls_order.equals(name)) {
return String.valueOf(database.sqlNullsOrder);
}
if (HsqlDatabaseProperties.sql_syntax_db2.equals(name)) {
return String.valueOf(database.sqlSyntaxDb2);
}
if (HsqlDatabaseProperties.sql_syntax_mss.equals(name)) {
return String.valueOf(database.sqlSyntaxMss);
}
if (HsqlDatabaseProperties.sql_syntax_mys.equals(name)) {
return String.valueOf(database.sqlSyntaxMys);
}
if (HsqlDatabaseProperties.sql_syntax_ora.equals(name)) {
return String.valueOf(database.sqlSyntaxOra);
}
if (HsqlDatabaseProperties.sql_syntax_pgs.equals(name)) {
return String.valueOf(database.sqlSyntaxPgs);
}
if (HsqlDatabaseProperties.sql_ref_integrity.equals(name)) {
return String.valueOf(database.isReferentialIntegrity());
}
if (HsqlDatabaseProperties.sql_regular_names.equals(name)) {
return String.valueOf(database.sqlRegularNames);
}
if (HsqlDatabaseProperties.sql_unique_nulls.equals(name)) {
return String.valueOf(database.sqlUniqueNulls);
}
if (HsqlDatabaseProperties.jdbc_translate_tti_types.equals(name)) {
return String.valueOf(database.sqlTranslateTTI);
}
/*
if (HsqlDatabaseProperties.textdb_all_quoted.equals(name)) {
return null;
}
if (HsqlDatabaseProperties.textdb_allow_full_path.equals(name)) {
return null;
}
if (HsqlDatabaseProperties.textdb_encoding.equals(name)) {
return null;
}
if (HsqlDatabaseProperties.textdb_ignore_first.equals(name)) {
return null;
}
if (HsqlDatabaseProperties.textdb_quoted.equals(name)) {
return null;
}
if (HsqlDatabaseProperties.textdb_fs.equals(name)) {
return null;
}
if (HsqlDatabaseProperties.textdb_vs.equals(name)) {
return null;
}
if (HsqlDatabaseProperties.textdb_lvs.equals(name)) {
return null;
}
*/
return null;
}
public String[] getPropertiesSQL(boolean indexRoots) {
HsqlArrayList list = new HsqlArrayList();
StringBuffer sb = new StringBuffer();
sb.append("SET DATABASE ").append(Tokens.T_UNIQUE).append(' ');
sb.append(Tokens.T_NAME).append(' ').append(database.getUniqueName());
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_GC).append(' ');
sb.append(propGC);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_DEFAULT).append(' ');
sb.append(Tokens.T_RESULT).append(' ').append(Tokens.T_MEMORY);
sb.append(' ').append(Tokens.T_ROWS).append(' ');
sb.append(database.getResultMaxMemoryRows());
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_EVENT).append(' ');
sb.append(Tokens.T_LOG).append(' ').append(Tokens.T_LEVEL);
sb.append(' ').append(propEventLogLevel);
list.add(sb.toString());
sb.setLength(0);
if (propSqlLogLevel != SimpleLog.LOG_NONE) {
sb.append("SET DATABASE ").append(Tokens.T_EVENT).append(' ');
sb.append(Tokens.T_LOG).append(' ').append(Tokens.T_SQL);
sb.append(' ').append(Tokens.T_LEVEL);
sb.append(' ').append(propEventLogLevel);
list.add(sb.toString());
sb.setLength(0);
}
sb.append("SET DATABASE ").append(Tokens.T_TRANSACTION);
sb.append(' ').append(Tokens.T_CONTROL).append(' ');
switch (database.txManager.getTransactionControl()) {
case TransactionManager.MVCC :
sb.append(Tokens.T_MVCC);
break;
case TransactionManager.MVLOCKS :
sb.append(Tokens.T_MVLOCKS);
break;
case TransactionManager.LOCKS :
sb.append(Tokens.T_LOCKS);
break;
}
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_DEFAULT).append(' ');
sb.append(Tokens.T_ISOLATION).append(' ').append(Tokens.T_LEVEL);
sb.append(' ');
switch (database.defaultIsolationLevel) {
case SessionInterface.TX_READ_COMMITTED :
sb.append(Tokens.T_READ).append(' ').append(
Tokens.T_COMMITTED);
break;
case SessionInterface.TX_SERIALIZABLE :
sb.append(Tokens.T_SERIALIZABLE);
break;
}
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_TRANSACTION);
sb.append(' ').append(Tokens.T_ROLLBACK).append(' ');
sb.append(Tokens.T_ON).append(' ');
sb.append(Tokens.T_CONFLICT).append(' ');
sb.append(database.txConflictRollback ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_TEXT).append(' ');
sb.append(Tokens.T_TABLE).append(' ').append(Tokens.T_DEFAULTS);
sb.append(' ').append('\'');
sb.append(propTextSourceDefault).append('\'');
list.add(sb.toString());
sb.setLength(0);
String temp = database.getProperties().getStringPropertyDefault(
HsqlDatabaseProperties.hsqldb_digest);
if (!temp.equals(database.granteeManager.getDigestAlgo())) {
sb.append("SET DATABASE ").append(' ').append(Tokens.T_PASSWORD);
sb.append(' ').append(Tokens.T_DIGEST).append(' ').append('\'');
sb.append(database.granteeManager.getDigestAlgo()).append('\'');
list.add(sb.toString());
sb.setLength(0);
}
if (database.schemaManager.getDefaultTableType()
== TableBase.CACHED_TABLE) {
list.add("SET DATABASE DEFAULT TABLE TYPE CACHED");
}
//
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_NAMES).append(' ');
sb.append(database.sqlEnforceNames ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
if (!database.sqlRegularNames) {
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_REGULAR).append(' ');
sb.append(Tokens.T_NAMES).append(' ');
sb.append(database.sqlRegularNames ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_REFERENCES).append(' ');
sb.append(database.sqlEnforceRefs ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_SIZE).append(' ');
sb.append(database.sqlEnforceSize ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_TYPES).append(' ');
sb.append(database.sqlEnforceTypes ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_TDC).append(' ');
sb.append(Tokens.T_DELETE).append(' ');
sb.append(database.sqlEnforceTDCD ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_TDC).append(' ');
sb.append(Tokens.T_UPDATE).append(' ');
sb.append(database.sqlEnforceTDCU ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_TRANSLATE).append(' ').append(Tokens.T_TTI);
sb.append(' ').append(Tokens.T_TYPES).append(' ');
sb.append(database.sqlTranslateTTI ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_CONCAT_WORD).append(' ');
sb.append(Tokens.T_NULLS).append(' ');
sb.append(database.sqlConcatNulls ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
if (!database.sqlNullsFirst) {
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_NULLS).append(' ');
sb.append(Tokens.T_FIRST).append(' ');
sb.append(database.sqlNullsFirst ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
}
if (!database.sqlNullsOrder) {
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_NULLS).append(' ');
sb.append(Tokens.T_ORDER).append(' ');
sb.append(database.sqlNullsOrder ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
}
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_UNIQUE).append(' ');
sb.append(Tokens.T_NULLS).append(' ');
sb.append(database.sqlUniqueNulls ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_CONVERT).append(' ');
sb.append(Tokens.T_TRUNCATE).append(' ');
sb.append(database.sqlConvertTruncate ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_AVG).append(' ');
sb.append(Tokens.T_SCALE).append(' ');
sb.append(database.sqlAvgScale);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_DOUBLE).append(' ');
sb.append(Tokens.T_NAN).append(' ');
sb.append(database.sqlDoubleNaN ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
if (database.sqlLongvarIsLob) {
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_LONGVAR).append(' ');
sb.append(Tokens.T_IS).append(' ');
sb.append(Tokens.T_LOB).append(' ');
sb.append(database.sqlLongvarIsLob ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
if (database.sqlIgnoreCase) {
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_IGNORECASE).append(' ');
sb.append(database.sqlIgnoreCase ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
if (database.sqlSyntaxDb2) {
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_SYNTAX).append(' ');
sb.append(Tokens.T_DB2).append(' ');
sb.append(database.sqlSyntaxOra ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
if (database.sqlSyntaxMss) {
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_SYNTAX).append(' ');
sb.append(Tokens.T_MSS).append(' ');
sb.append(database.sqlSyntaxMss ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
if (database.sqlSyntaxMys) {
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_SYNTAX).append(' ');
sb.append(Tokens.T_MYS).append(' ');
sb.append(database.sqlSyntaxMys ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
if (database.sqlSyntaxOra) {
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_SYNTAX).append(' ');
sb.append(Tokens.T_ORA).append(' ');
sb.append(database.sqlSyntaxOra ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
if (database.sqlSyntaxPgs) {
sb.append("SET DATABASE ").append(Tokens.T_SQL).append(' ');
sb.append(Tokens.T_SYNTAX).append(' ');
sb.append(Tokens.T_PGS).append(' ');
sb.append(database.sqlSyntaxPgs ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
//
int delay = propWriteDelay;
boolean millis = delay > 0 && delay < 1000;
if (millis) {
if (delay < 20) {
delay = 20;
}
} else {
delay /= 1000;
}
sb.append("SET FILES ").append(Tokens.T_WRITE).append(' ');
sb.append(Tokens.T_DELAY).append(' ').append(delay);
if (millis) {
sb.append(' ').append(Tokens.T_MILLIS);
}
list.add(sb.toString());
sb.setLength(0);
sb.append("SET FILES ").append(Tokens.T_BACKUP);
sb.append(' ').append(Tokens.T_INCREMENT).append(' ');
sb.append(propIncrementBackup ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET FILES ").append(Tokens.T_CACHE);
sb.append(' ').append(Tokens.T_SIZE).append(' ');
sb.append(propCacheMaxSize / 1024);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET FILES ").append(Tokens.T_CACHE);
sb.append(' ').append(Tokens.T_ROWS).append(' ');
sb.append(propCacheMaxRows);
list.add(sb.toString());
{
int fileScale = propDataFileScale;
if (!indexRoots && fileScale < 32) {
fileScale = 32;
}
sb.setLength(0);
sb.append("SET FILES ").append(Tokens.T_SCALE);
sb.append(' ').append(fileScale);
list.add(sb.toString());
sb.setLength(0);
}
sb.append("SET FILES ").append(Tokens.T_LOB).append(' ').append(
Tokens.T_SCALE);
sb.append(' ').append(getLobFileScale());
list.add(sb.toString());
sb.setLength(0);
if (propCompressLobs) {
sb.append("SET FILES ").append(Tokens.T_LOB).append(' ').append(
Tokens.T_COMPRESSED);
sb.append(' ').append(propCompressLobs ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
}
sb.append("SET FILES ").append(Tokens.T_DEFRAG);
sb.append(' ').append(propCacheDefragLimit);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET FILES ").append(Tokens.T_NIO);
sb.append(' ').append(propNioDataFile ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET FILES ").append(Tokens.T_NIO).append(' ').append(
Tokens.T_SIZE);
sb.append(' ').append(propNioMaxSize / (1024 * 1024));
list.add(sb.toString());
sb.setLength(0);
sb.append("SET FILES ").append(Tokens.T_LOG).append(' ');
sb.append(propLogData ? Tokens.T_TRUE
: Tokens.T_FALSE);
list.add(sb.toString());
sb.setLength(0);
sb.append("SET FILES ").append(Tokens.T_LOG).append(' ');
sb.append(Tokens.T_SIZE).append(' ').append(propLogSize);
list.add(sb.toString());
sb.setLength(0);
if (propCheckPersistence != 0) {
sb.append("SET FILES ").append(Tokens.T_CHECK).append(' ');
sb.append(propCheckPersistence);
list.add(sb.toString());
sb.setLength(0);
}
{
if (propFileSpaceValue != 0) {
sb.append("SET FILES ").append(Tokens.T_SPACE).append(' ');
sb.append(propFileSpaceValue);
list.add(sb.toString());
sb.setLength(0);
}
}
String[] array = new String[list.size()];
list.toArray(array);
return array;
}
public void backup(String destPath, boolean script, boolean blocking,
boolean compressed, boolean files) {
if (!backupState.compareAndSet(stateNormal, stateBackup)) {
throw Error.error(ErrorCode.BACKUP_ERROR, "backup in progress");
}
try {
backupInternal(destPath, script, blocking, compressed, files);
} finally {
backupState.set(stateNormal);
}
}
private SimpleDateFormat backupFileFormat =
new SimpleDateFormat("yyyyMMdd'T'HHmmss");
private Character runtimeFileDelim =
new Character(System.getProperty("file.separator").charAt(0));
DbBackup backup;
void backupInternal(String destPath, boolean script, boolean blocking,
boolean compressed, boolean asFiles) {
String scriptName = null;
String dbPath = database.getPath();
/* If want to add db Id also, will need to pass either Database
* instead of dbPath, or pass dbPath + Id from StatementCommand.
*/
String instanceName = new File(dbPath).getName();
char lastChar = destPath.charAt(destPath.length() - 1);
boolean generateName = (lastChar == '/'
|| lastChar == runtimeFileDelim.charValue());
File archiveFile;
if (asFiles) {
if (!generateName) {
throw Error.error(null, ErrorCode.UNSUPPORTED_FILENAME_SUFFIX,
0, new String[] {
"", "/"
});
}
destPath = getSecurePath(destPath, true, false);
if (destPath == null) {
throw Error.error(ErrorCode.BACKUP_ERROR,
"access to directory denied");
}
archiveFile = new File(destPath);
archiveFile.mkdirs();
File[] files = FileUtil.getDatabaseMainFileList(destPath
+ instanceName);
if (files == null || files.length != 0) {
throw Error.error(ErrorCode.BACKUP_ERROR,
"files exists in directory");
}
} else {
String defaultSuffix = compressed ? ".tar.gz"
: ".tar";
if (generateName) {
archiveFile =
(new File(destPath.substring(0, destPath.length() - 1),
instanceName + '-'
+ backupFileFormat.format(new java.util.Date())
+ defaultSuffix));
} else {
archiveFile = new File(destPath);
}
boolean nameImpliesCompress =
archiveFile.getName().endsWith(".tar.gz")
|| archiveFile.getName().endsWith(".tgz");
if ((!nameImpliesCompress)
&& !archiveFile.getName().endsWith(".tar")) {
throw Error.error(null, ErrorCode.UNSUPPORTED_FILENAME_SUFFIX,
0, new String[] {
archiveFile.getName(), ".tar, .tar.gz, .tgz"
});
}
if (compressed != nameImpliesCompress) {
throw Error.error(null, ErrorCode.COMPRESSION_SUFFIX_MISMATCH,
0, new Object[] {
Boolean.valueOf(compressed), archiveFile.getName()
});
}
if (archiveFile.exists()) {
throw Error.error(null, ErrorCode.BACKUP_ERROR, 0,
new Object[] {
"file exists", archiveFile.getName()
});
}
}
if (blocking) {
log.checkpointClose();
}
try {
logInfoEvent("Initiating backup of instance '" + instanceName
+ "'");
// By default, DbBackup will throw if archiveFile (or
// corresponding work file) already exist. That's just what we
// want here.
if (script) {
String path = getTempDirectoryPath();
if (path == null) {
return;
}
path = path + "/" + new File(database.getPath()).getName();
scriptName = path + scriptFileExtension;
ScriptWriterText dsw = new ScriptWriterText(database,
scriptName, true, true, true);
dsw.writeAll();
dsw.close();
backup = new DbBackup(archiveFile, path, true);
backup.write();
} else {
backup = new DbBackup(archiveFile, dbPath);
backup.setAbortUponModify(false);
if (!blocking) {
InputStreamWrapper isw;
File file = null;
if (hasCache()) {
DataFileCache dataFileCache = getCache();
RAShadowFile shadowFile =
dataFileCache.getShadowFile();
if (shadowFile == null) {
backup.setFileIgnore(dataFileExtension);
} else {
file = new File(dataFileCache.dataFileName);
isw = new InputStreamWrapper(
new FileInputStream(file));
isw.setSizeLimit(
dataFileCache.fileStartFreePosition);
backup.setStream(dataFileExtension, isw);
InputStreamInterface isi =
shadowFile.getInputStream();
backup.setStream(backupFileExtension, isi);
}
}
// log
file = new File(log.getLogFileName());
long fileLength = file.length();
if (fileLength == 0) {
backup.setFileIgnore(logFileExtension);
} else {
isw = new InputStreamWrapper(
new FileInputStream(file));
isw.setSizeLimit(fileLength);
backup.setStream(logFileExtension, isw);
}
}
if (asFiles) {
backup.writeAsFiles();
} else {
backup.write();
}
}
logInfoEvent("Successfully backed up instance '" + instanceName
+ "' to '" + destPath + "'");
} catch (IOException ioe) {
throw Error.error(ErrorCode.FILE_IO_ERROR, ioe.toString());
} catch (TarMalformatException tme) {
throw Error.error(ErrorCode.FILE_IO_ERROR, tme.toString());
} finally {
if (scriptName != null) {
FileUtil.getFileUtil().delete(scriptName);
}
if (blocking) {
log.checkpointReopen();
}
}
}
/**
* Returns a secure path or null for a user-defined path when
* hsqldb.allow_full_path is false. Returns the path otherwise.
*
*/
public String getSecurePath(String path, boolean allowFull,
boolean includeRes) {
if (database.getType() == DatabaseURL.S_RES) {
if (includeRes) {
return path;
} else {
return null;
}
}
if (database.getType() == DatabaseURL.S_MEM) {
if (propTextAllowFullPath) {
return path;
} else {
return null;
}
}
// absolute paths
if (path.startsWith("/") || path.startsWith("\\")
|| path.indexOf(":") > -1) {
if (allowFull || propTextAllowFullPath) {
return path;
} else {
return null;
}
}
if (path.indexOf("..") > -1) {
if (allowFull || propTextAllowFullPath) {
// allow
} else {
return null;
}
}
String fullPath =
new File(new File(database.getPath()
+ ".properties").getAbsolutePath()).getParent();
if (fullPath != null) {
path = fullPath + File.separator + path;
}
return path;
}
// fredt@users 20020221 - patch 513005 by sqlbob@users (RMP) - text tables
/**
* Opens the TextCache object.
*/
public DataFileCache openTextFilePersistence(Table table, String source,
boolean readOnlyData, boolean reversed) {
closeTextCache(table);
String sourceName = getSecurePath(source, false, true);
if (sourceName == null) {
throw (Error.error(ErrorCode.ACCESS_IS_DENIED, source));
}
TextCache c = new TextCache(table, sourceName);
c.open(readOnlyData || database.isFilesReadOnly());
textCacheList.put(table.getName(), c);
return c;
}
/**
* Closes the TextCache object.
*/
public void closeTextCache(Table table) {
TextCache c = (TextCache) textCacheList.remove(table.getName());
if (c != null) {
try {
c.close();
} catch (HsqlException e) {}
}
}
void closeAllTextCaches(boolean script) {
Iterator it = textCacheList.values().iterator();
while (it.hasNext()) {
TextCache textCache = ((TextCache) it.next());
// use textCache.table to cover both cache and table readonly
if (script && !textCache.table.isDataReadOnly()) {
textCache.purge();
} else {
textCache.close();
}
}
}
boolean isAnyTextCacheModified() {
Iterator it = textCacheList.values().iterator();
while (it.hasNext()) {
if (((TextCache) it.next()).isModified()) {
return true;
}
}
return false;
}
public boolean isNewDatabase() {
return isNewDatabase;
}
}