/*
* 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.writer.test;
import java.io.IOException;
import java.util.Queue;
import org.apache.avro.Schema;
import com.google.common.collect.Queues;
import gobblin.commit.SpeculativeAttemptAwareConstruct;
import gobblin.writer.DataWriter;
import gobblin.writer.PartitionAwareDataWriterBuilder;
import lombok.Data;
public class TestPartitionAwareWriterBuilder extends PartitionAwareDataWriterBuilder<String, String> {
public final Queue<Action> actions = Queues.newArrayDeque();
public enum Actions {
BUILD, WRITE, COMMIT, CLEANUP, CLOSE
}
@Override
public boolean validatePartitionSchema(Schema partitionSchema) {
return true;
}
@Override
public DataWriter build()
throws IOException {
String partition = this.partition.get().get(TestPartitioner.PARTITION).toString();
this.actions.add(new Action(Actions.BUILD, partition, null));
if (partition.matches(".*\\d+.*")) {
return new SpeculativeNotSafeTestWriter(partition);
}
return new TestDataWriter(partition);
}
private class SpeculativeNotSafeTestWriter extends TestDataWriter {
public SpeculativeNotSafeTestWriter(String partition) {
super(partition);
}
@Override
public boolean isSpeculativeAttemptSafe() {
return false;
}
}
private class TestDataWriter implements DataWriter<String>, SpeculativeAttemptAwareConstruct {
private String partition;
private long recordsWritten = 0;
private long bytesWritten = 0;
public TestDataWriter(String partition) {
this.partition = partition;
}
@Override
public void write(String record)
throws IOException {
actions.add(new Action(Actions.WRITE, this.partition, record));
this.recordsWritten++;
this.bytesWritten++;
}
@Override
public void commit()
throws IOException {
actions.add(new Action(Actions.COMMIT, this.partition, null));
}
@Override
public void cleanup()
throws IOException {
actions.add(new Action(Actions.CLEANUP, this.partition, null));
}
@Override
public long recordsWritten() {
return this.recordsWritten;
}
@Override
public long bytesWritten()
throws IOException {
return this.bytesWritten;
}
@Override
public void close()
throws IOException {
actions.add(new Action(Actions.CLOSE, this.partition, null));
}
@Override
public boolean isSpeculativeAttemptSafe() {
return true;
}
}
@Data
public static class Action {
private final Actions type;
private final String partition;
private final String target;
}
}