/*
* 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 gobblin.test;
import java.util.List;
import com.google.common.base.Splitter;
import com.google.common.collect.Lists;
import gobblin.configuration.ConfigurationKeys;
import gobblin.configuration.SourceState;
import gobblin.configuration.WorkUnitState;
import gobblin.source.Source;
import gobblin.source.extractor.Extractor;
import gobblin.source.extractor.extract.AbstractSource;
import gobblin.source.workunit.Extract;
import gobblin.source.workunit.Extract.TableType;
import gobblin.source.workunit.MultiWorkUnit;
import gobblin.source.workunit.WorkUnit;
/**
* An implementation of {@link Source} for integration test.
*
* @author Yinan Li
*/
public class TestSource extends AbstractSource<String, String> {
static final String SOURCE_FILE_LIST_KEY = "source.files";
static final String SOURCE_FILE_KEY = "source.file";
private static final Splitter SPLITTER = Splitter.on(",").omitEmptyStrings().trimResults();
@Override
public List<WorkUnit> getWorkunits(SourceState state) {
String nameSpace = state.getProp(ConfigurationKeys.EXTRACT_NAMESPACE_NAME_KEY);
Extract extract1 = createExtract(TableType.SNAPSHOT_ONLY, nameSpace, "TestTable1");
Extract extract2 = createExtract(TableType.SNAPSHOT_ONLY, nameSpace, "TestTable2");
String sourceFileList = state.getProp(SOURCE_FILE_LIST_KEY);
List<String> list = SPLITTER.splitToList(sourceFileList);
List<WorkUnit> workUnits = Lists.newArrayList();
for (int i = 0; i < list.size(); i++) {
WorkUnit workUnit = WorkUnit.create(i % 2 == 0 ? extract1 : extract2);
workUnit.setProp(SOURCE_FILE_KEY, list.get(i));
workUnits.add(workUnit);
}
if (state.getPropAsBoolean("use.multiworkunit", false)) {
MultiWorkUnit multiWorkUnit = MultiWorkUnit.createEmpty();
multiWorkUnit.addWorkUnits(workUnits);
workUnits.clear();
workUnits.add(multiWorkUnit);
}
return workUnits;
}
@Override
public Extractor<String, String> getExtractor(WorkUnitState state) {
return new TestExtractor(state);
}
@Override
public void shutdown(SourceState state) {
// Do nothing
}
}