/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.server.store.format.tuple;
import com.foundationdb.ais.model.Column;
import com.foundationdb.ais.model.Group;
import com.foundationdb.ais.model.Index;
import com.foundationdb.ais.model.IndexColumn;
import com.foundationdb.ais.model.Join;
import com.foundationdb.ais.model.PrimaryKey;
import com.foundationdb.ais.model.Table;
import com.foundationdb.ais.protobuf.FDBProtobuf.TupleUsage;
import com.foundationdb.server.rowdata.RowData;
import com.foundationdb.server.rowdata.RowDef;
import com.foundationdb.server.rowdata.RowDataValueSource;
import com.foundationdb.server.types.TClass;
import com.foundationdb.server.types.TInstance;
import com.foundationdb.server.types.aksql.aktypes.AkBool;
import com.foundationdb.server.types.aksql.aktypes.AkGUID;
import com.foundationdb.server.types.mcompat.mtypes.MApproximateNumber;
import com.foundationdb.server.types.mcompat.mtypes.MBinary;
import com.foundationdb.server.types.mcompat.mtypes.MDateAndTime;
import com.foundationdb.server.types.mcompat.mtypes.MNumeric;
import com.foundationdb.server.types.mcompat.mtypes.MString;
import com.foundationdb.server.types.value.ValueSources;
import com.foundationdb.tuple.Tuple2;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class TupleRowDataConverter
{
static final Set<TClass> ALLOWED_CLASSES = new HashSet<>(Arrays.asList(
MNumeric.BIGINT, MNumeric.BIGINT_UNSIGNED, MNumeric.INT, MNumeric.INT_UNSIGNED,
MNumeric.MEDIUMINT, MNumeric.MEDIUMINT_UNSIGNED, MNumeric.SMALLINT,
MNumeric.SMALLINT_UNSIGNED, MNumeric.TINYINT, MNumeric.TINYINT_UNSIGNED,
MNumeric.DECIMAL, MNumeric.DECIMAL_UNSIGNED, MApproximateNumber.DOUBLE,
MApproximateNumber.DOUBLE_UNSIGNED, MApproximateNumber.FLOAT, MApproximateNumber.FLOAT_UNSIGNED,
MBinary.VARBINARY, MBinary.BINARY, MString.VARCHAR, MString.CHAR,
MBinary.TINYBLOB, MString.TINYTEXT, MBinary.BLOB, MString.TEXT,
MBinary.MEDIUMBLOB, MString.MEDIUMTEXT, MBinary.LONGBLOB, MString.LONGTEXT,
MDateAndTime.TIMESTAMP, MDateAndTime.DATE, MDateAndTime.TIME, MDateAndTime.DATETIME,
MDateAndTime.YEAR, AkGUID.INSTANCE, AkBool.INSTANCE
));
protected static void checkColumn(Column column, List<String> illegal) {
if (!ALLOWED_CLASSES.contains(TInstance.tClass(column.getType()))) {
illegal.add(column.toString());
}
}
protected static void checkTable(Table table, TupleUsage usage,
List<String> illegal) {
switch (usage) {
case KEY_ONLY:
PrimaryKey pkey = table.getPrimaryKeyIncludingInternal();
for (Column column : pkey.getColumns()) {
checkColumn(column, illegal);
}
break;
case KEY_AND_ROW:
for (Column column : table.getColumnsIncludingInternal()) {
checkColumn(column, illegal);
}
break;
}
for (Join join : table.getChildJoins()) {
checkTable(join.getChild(), usage, illegal);
}
}
public static List<String> checkTypes(Group group, TupleUsage usage) {
List<String> illegal = new ArrayList<>();
checkTable(group.getRoot(), usage, illegal);
return illegal;
}
public static List<String> checkTypes(Index index, TupleUsage usage) {
List<String> illegal = new ArrayList<>();
for (IndexColumn indexColumn : index.getKeyColumns()) {
checkColumn(indexColumn.getColumn(), illegal);
}
return illegal;
}
public static Tuple2 tupleFromRowData(RowDef rowDef, RowData rowData) {
RowDataValueSource valueSource = new RowDataValueSource();
int nfields = rowDef.getFieldCount();
Object[] objects = new Object[nfields];
for (int i = 0; i < nfields; i++) {
valueSource.bind(rowDef.getFieldDef(i), rowData);
objects[i] = ValueSources.toObject(valueSource);
}
return Tuple2.from(objects);
}
public static void tupleToRowData(Tuple2 tuple, RowDef rowDef, RowData rowData) {
int nfields = rowDef.getFieldCount();
Object[] objects = new Object[nfields];
for (int i = 0; i < nfields; i++) {
objects[i] = tuple.get(i);
}
if (rowData.getBytes() == null) {
rowData.reset(new byte[RowData.CREATE_ROW_INITIAL_SIZE]);
}
rowData.createRow(rowDef, objects, true);
}
}