package org.apache.torque.templates.platform;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
import org.apache.commons.lang.StringUtils;
import org.apache.torque.templates.typemapping.SchemaType;
import org.apache.torque.templates.typemapping.SqlType;
/**
* Oracle Platform implementation.
*
* @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
* @version $Id: PlatformOracleImpl.java 1439173 2013-01-27 20:42:51Z tfischer $
*/
public class PlatformOracleImpl extends PlatformDefaultImpl
{
/** The date format for formatting database dates. */
private static final String DATE_FORMAT
= "'to_date('''yyyy-MM-dd''',''yyyy-mm-dd'')'";
/** The date format for formatting database dates. */
private static final String TIME_FORMAT
= "'to_date('''1970-01-01 HH:mm:ss''',''yyyy-mm-dd hh24:mi:ss'')'";
/** The date format for formatting database dates. */
private static final String TIMESTAMP_FORMAT
= "'to_timestamp('''yyyy-MM-dd HH:mm:ss''',''yyyy-mm-dd hh24:mi:ss'')'";
/**
* Default constructor.
*/
public PlatformOracleImpl()
{
super();
initialize();
}
/**
* Initializes db specific domain mapping.
*/
private void initialize()
{
setSchemaTypeToSqlTypeMapping(
SchemaType.TINYINT,
new SqlType("NUMBER", "3", "0"));
setSchemaTypeToSqlTypeMapping(
SchemaType.SMALLINT,
new SqlType("NUMBER", "5", "0"));
setSchemaTypeToSqlTypeMapping(
SchemaType.INTEGER,
new SqlType("NUMBER", "10", "0"));
setSchemaTypeToSqlTypeMapping(
SchemaType.BOOLEANINT,
new SqlType("NUMBER", "1", "0"));
setSchemaTypeToSqlTypeMapping(
SchemaType.BIGINT,
new SqlType("NUMBER", "20", "0"));
setSchemaTypeToSqlTypeMapping(
SchemaType.REAL,
new SqlType("NUMBER"));
setSchemaTypeToSqlTypeMapping(
SchemaType.DOUBLE,
new SqlType("FLOAT"));
setSchemaTypeToSqlTypeMapping(
SchemaType.DECIMAL,
new SqlType("NUMBER"));
setSchemaTypeToSqlTypeMapping(
SchemaType.NUMERIC,
new SqlType("NUMBER"));
setSchemaTypeToSqlTypeMapping(
SchemaType.VARCHAR,
new SqlType("VARCHAR2"));
setSchemaTypeToSqlTypeMapping(
SchemaType.LONGVARCHAR,
new SqlType("VARCHAR2", "2000"));
setSchemaTypeToSqlTypeMapping(
SchemaType.TIME,
new SqlType("DATE"));
setSchemaTypeToSqlTypeMapping(
SchemaType.BINARY,
new SqlType("BLOB"));
setSchemaTypeToSqlTypeMapping(
SchemaType.VARBINARY,
new SqlType("BLOB"));
setSchemaTypeToSqlTypeMapping(
SchemaType.LONGVARBINARY,
new SqlType("BLOB"));
}
/**
* @see Platform#getAutoIncrement()
*/
@Override
public String getAutoIncrement()
{
return "";
}
@Override
protected boolean escapeBackslashes()
{
return true;
}
/**
* Returns a possible SQL suffix for column definitions of certain
* SQL Types, e.g. for Oracle VARCHAR2 columns, it typically
* makes sense to use 'x CHAR' instead of 'x' as size.
*
* @param sqlType the SQL type to determine the suffix for.
*
* @return The size suffix, not null.
* This implementation always returns the empty string.
*
*/
@Override
public String getSizeSuffix(String sqlType)
{
if ("VARCHAR2".equals(sqlType))
{
return " CHAR";
}
return StringUtils.EMPTY;
}
/**
* {@inheritDoc}
*/
@Override
public String getDateString(Date date)
{
SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
return dateFormat.format(date);
}
/**
* {@inheritDoc}
*/
@Override
public String getTimeString(Date date)
{
SimpleDateFormat dateFormat = new SimpleDateFormat(TIME_FORMAT);
dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
return dateFormat.format(date);
}
/**
* {@inheritDoc}
*/
@Override
public String getTimestampString(Date date)
{
SimpleDateFormat dateFormat = new SimpleDateFormat(TIMESTAMP_FORMAT);
dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
return dateFormat.format(date);
}
/**
* @see Platform#hasSize(String)
*/
@Override
public boolean hasSize(String sqlType)
{
return !("BLOB".equals(sqlType) || "CLOB".equals(sqlType));
}
}