package org.apache.ojb.broker.metadata.torque;
/* Copyright 2002-2005 The Apache Software Foundation
*
* Licensed 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 org.apache.ojb.broker.metadata.DescriptorRepository;
import org.apache.ojb.broker.metadata.FieldDescriptor;
import java.util.Iterator;
import java.util.Vector;
public class TorqueTableGenerator {
private TorqueFieldGenerator fieldGenerator;
private TorqueForeignKeyGenerator foreignKeyPreprocessor;
private TorqueIndexGenerator indexGenerator;
public TorqueTableGenerator(DescriptorRepository repository, boolean ignoreAutoIncrement) {
this.fieldGenerator = new TorqueFieldGenerator(ignoreAutoIncrement);
this.foreignKeyPreprocessor = new TorqueForeignKeyGenerator(repository);
this.foreignKeyPreprocessor.buildConstraintsMap();
this.indexGenerator = new TorqueIndexGenerator();
}
public void generateMappingTables(StringBuffer buffer, String indexTablespaceName) {
Iterator mappingTables = this.foreignKeyPreprocessor.getMappingTables().values().iterator();
while (mappingTables.hasNext()) {
TableDescriptor mappingTable = (TableDescriptor) mappingTables.next();
FieldDescriptor descriptors[] = (FieldDescriptor[]) (mappingTable.getColumns().toArray(new FieldDescriptor[0]));
if (descriptors != null && descriptors.length > 0) {
generateTableHeader(buffer, mappingTable, indexTablespaceName);
this.fieldGenerator.generateMappingFieldDescriptors(descriptors, buffer);
generateForeignKeys(mappingTable, buffer);
buffer.append(" </table>\n");
}
}
}
public void generateStandardTable(TableDescriptor tableDescriptor, StringBuffer buffer, String indexTablespaceName) {
generateTableHeader(buffer, tableDescriptor, indexTablespaceName);
this.fieldGenerator.generateFieldDescriptors((FieldDescriptor[]) tableDescriptor.getColumns().toArray(new FieldDescriptor[0]), buffer);
this.indexGenerator.generateIndices(tableDescriptor.getIndices(), buffer);
generateForeignKeys(tableDescriptor, buffer);
buffer.append(" </table>\n\n");
}
private void generateTableHeader(StringBuffer buffer, TableDescriptor tableDescriptor, String indexTablespaceName) {
buffer.append(" <table name=\"");
buffer.append(tableDescriptor.getName());
buffer.append("\" indexTablespace=\"");
buffer.append(indexTablespaceName);
buffer.append("\">\n");
}
private void generateForeignKeys(TableDescriptor tableDescriptor, StringBuffer buffer) {
Vector foreignKeys = this.foreignKeyPreprocessor.getForeignKeysForTable(tableDescriptor.getName());
if (foreignKeys != null) {
Iterator foreignKeyIterator = foreignKeys.iterator();
while (foreignKeyIterator.hasNext()) {
buffer.append(foreignKeyIterator.next());
}
}
}
}