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PostgresBulkDataLoaderFactory.java
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PostgresBulkDataLoaderFactory.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 General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) 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.ext;
import java.util.List;
import org.jumpmind.db.platform.DatabaseNamesConstants;
import org.jumpmind.db.platform.IDatabasePlatform;
import org.jumpmind.db.sql.JdbcUtils;
import org.jumpmind.symmetric.ISymmetricEngine;
import org.jumpmind.symmetric.db.ISymmetricDialect;
import org.jumpmind.symmetric.io.PostgresBulkDatabaseWriter;
import org.jumpmind.symmetric.io.data.IDataWriter;
import org.jumpmind.symmetric.io.data.writer.Conflict;
import org.jumpmind.symmetric.io.data.writer.IDatabaseWriterErrorHandler;
import org.jumpmind.symmetric.io.data.writer.IDatabaseWriterFilter;
import org.jumpmind.symmetric.io.data.writer.ResolvedData;
import org.jumpmind.symmetric.io.data.writer.TransformWriter;
import org.jumpmind.symmetric.load.DefaultDataLoaderFactory;
import org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractor;
public class PostgresBulkDataLoaderFactory extends DefaultDataLoaderFactory {
private NativeJdbcExtractor jdbcExtractor;
public PostgresBulkDataLoaderFactory(ISymmetricEngine engine) {
super(engine.getParameterService());
this.jdbcExtractor = JdbcUtils.getNativeJdbcExtractory();
}
public String getTypeName() {
return "postgres_bulk";
}
public IDataWriter getDataWriter(String sourceNodeId, ISymmetricDialect symmetricDialect,
TransformWriter transformWriter, List<IDatabaseWriterFilter> filters,
List<IDatabaseWriterErrorHandler> errorHandlers,
List<? extends Conflict> conflictSettings, List<ResolvedData> resolvedData) {
int maxRowsBeforeFlush = parameterService.getInt("postgres.bulk.load.max.rows.before.flush", 10000);
return new PostgresBulkDatabaseWriter(symmetricDialect.getPlatform(), symmetricDialect.getTargetPlatform(),
symmetricDialect.getTablePrefix(),
buildDatabaseWriterSettings(filters, errorHandlers, conflictSettings, resolvedData), jdbcExtractor,
maxRowsBeforeFlush);
}
public boolean isPlatformSupported(IDatabasePlatform platform) {
return DatabaseNamesConstants.POSTGRESQL.equals(platform.getName()) ||
DatabaseNamesConstants.POSTGRESQL95.equals(platform.getName()) ||
DatabaseNamesConstants.GREENPLUM.equals(platform.getName());
}
}