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DerbySymmetricDialect.java
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DerbySymmetricDialect.java
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/*
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU Lesser General Public License (the
* "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* 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.jumpmind.symmetric.db.derby;
import org.jumpmind.db.platform.IDatabasePlatform;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.db.util.BinaryEncoding;
import org.jumpmind.symmetric.db.AbstractSymmetricDialect;
import org.jumpmind.symmetric.db.ISymmetricDialect;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.service.IParameterService;
public class DerbySymmetricDialect extends AbstractSymmetricDialect implements ISymmetricDialect {
public DerbySymmetricDialect(IParameterService parameterService, IDatabasePlatform platform) {
super(parameterService, platform);
this.triggerText = new DerbyTriggerText();
}
@Override
protected boolean doesTriggerExistOnPlatform(String catalog, String schema, String tableName,
String triggerName) {
schema = schema == null ? (platform.getDefaultSchema() == null ? null : platform
.getDefaultSchema()) : schema;
return platform.getSqlTemplate().queryForInt(
"select count(*) from sys.systriggers where triggername = ?",
new Object[] { triggerName.toUpperCase() }) > 0;
}
@Override
public boolean supportsTransactionId() {
return true;
}
@Override
public boolean isBlobSyncSupported() {
return true;
}
@Override
public boolean isClobSyncSupported() {
return true;
}
@Override
public BinaryEncoding getBinaryEncoding() {
return BinaryEncoding.BASE64;
}
public void disableSyncTriggers(ISqlTransaction transaction, String nodeId) {
transaction.queryForObject(
String.format("values %s_sync_triggers_set_disabled(1)", parameterService.getTablePrefix()),
Integer.class);
if (nodeId != null) {
transaction.queryForObject(
String.format("values %s_sync_node_set_disabled('%s')", parameterService.getTablePrefix(), nodeId),
String.class);
}
}
public void enableSyncTriggers(ISqlTransaction transaction) {
transaction.queryForObject(
String.format("values %s_sync_triggers_set_disabled(0)", parameterService.getTablePrefix()),
Integer.class);
platform.getSqlTemplate().queryForObject(
String.format("values %s_sync_node_set_disabled(null)", parameterService.getTablePrefix()), String.class);
}
public String getSyncTriggersExpression() {
return String.format("%s_sync_triggers_disabled() = 0", parameterService.getTablePrefix());
}
@Override
public String getTransactionTriggerExpression(String defaultCatalog, String defaultSchema,
Trigger trigger) {
return String.format("%s_transaction_id()", parameterService.getTablePrefix());
}
public void purge() {
}
@Override
public void truncateTable(String tableName) {
platform.getSqlTemplate().update("delete from " + tableName);
}
public boolean needsToSelectLobData() {
return true;
}
}