/*
* ToroDB
* Copyright © 2014 8Kdata Technology (www.8kdata.com)
*
* 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.torodb.backend.derby;
import com.torodb.backend.AbstractDbBackendService;
import com.torodb.backend.TransactionIsolationLevel;
import com.torodb.backend.driver.derby.DerbyDbBackendConfiguration;
import com.torodb.backend.driver.derby.DerbyDriverProvider;
import com.torodb.core.annotations.TorodbIdleService;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.concurrent.ThreadFactory;
import javax.annotation.Nonnull;
import javax.inject.Inject;
import javax.sql.DataSource;
/**
*
* Derby-based backend
*/
public class DerbyDbBackend extends AbstractDbBackendService<DerbyDbBackendConfiguration> {
private static final Logger LOGGER = LogManager.getLogger(DerbyDbBackend.class);
private final DerbyDriverProvider driverProvider;
@Inject
public DerbyDbBackend(@TorodbIdleService ThreadFactory threadFactory,
DerbyDbBackendConfiguration configuration,
DerbyDriverProvider driverProvider, DerbyErrorHandler errorHandler) {
super(threadFactory, configuration, errorHandler);
LOGGER.info("Configured Derby backend at {}:{}", configuration.getDbHost(), configuration
.getDbPort());
this.driverProvider = driverProvider;
}
@Override
protected DataSource getConfiguredDataSource(DerbyDbBackendConfiguration configuration,
String poolName) {
return driverProvider.getConfiguredDataSource(configuration, poolName);
}
@Override
@Nonnull
protected TransactionIsolationLevel getCommonTransactionIsolation() {
return TransactionIsolationLevel.TRANSACTION_REPEATABLE_READ;
}
@Override
@Nonnull
protected TransactionIsolationLevel getSystemTransactionIsolation() {
return TransactionIsolationLevel.TRANSACTION_REPEATABLE_READ;
}
@Override
@Nonnull
protected TransactionIsolationLevel getGlobalCursorTransactionIsolation() {
return TransactionIsolationLevel.TRANSACTION_REPEATABLE_READ;
}
}