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* 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.
****************************************************************/
package org.apache.cayenne.access.dbsync;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.apache.cayenne.CayenneRuntimeException;
import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.access.DbGenerator;
import org.apache.cayenne.map.DataMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @since 3.0
*/
public class ThrowOnPartialOrCreateSchemaStrategy extends ThrowOnPartialSchemaStrategy {
final static Log logger = LogFactory
.getLog(ThrowOnPartialOrCreateSchemaStrategy.class);
@Override
protected void processSchemaUpdate(
DataNode dataNode,
List<String> mergerOnlyTable,
String errorMessage,
int entitiesSize) {
if (mergerOnlyTable.size() == 0 && errorMessage == null) {
logger.info("Full schema is present");
}
else if (mergerOnlyTable.size() == entitiesSize) {
logger.info("No schema detected, will create mapped tables");
generate(dataNode);
}
else {
logger.info("Error - partial schema detected");
StringBuilder buffer = new StringBuilder("Schema mismatch detected");
if (errorMessage != null) {
buffer.append(": ").append(errorMessage);
}
else {
if (mergerOnlyTable.size() > 0) {
buffer
.append(": missing table '")
.append(mergerOnlyTable.get(0))
.append('\'');
}
}
throw new CayenneRuntimeException(buffer.toString());
}
}
private void generate(DataNode dataNode) {
Collection<DataMap> map = dataNode.getDataMaps();
Iterator<DataMap> iterator = map.iterator();
while (iterator.hasNext()) {
DbGenerator gen = new DbGenerator(dataNode.getAdapter(), iterator.next());
gen.setShouldCreateTables(true);
gen.setShouldDropTables(false);
gen.setShouldCreateFKConstraints(false);
gen.setShouldCreatePKSupport(false);
gen.setShouldDropPKSupport(false);
try {
gen.runGenerator(dataNode.getDataSource());
}
catch (Exception e) {
throw new CayenneRuntimeException(e);
}
}
}
}