TimestampedRecordWriterWrapper.java
/*
* 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 org.wikimedia.gobblin.writer;
import java.io.IOException;
import org.apache.gobblin.writer.DataWriter;
import org.apache.gobblin.writer.FsDataWriter;
import org.wikimedia.gobblin.TimestampedRecord;
/**
* Copied and updated from SimpleDataWriter.
*/
public class TimestampedRecordWriterWrapper<P> implements DataWriter<TimestampedRecord<P>> {
protected final DataWriter<P> wrappedWriter;
/**
* Initialize a new metadata wrapper.
* @param wrappedWriter Writer to wrap
*/
public TimestampedRecordWriterWrapper(DataWriter<P> wrappedWriter) {
this.wrappedWriter = wrappedWriter;
}
@Override
public void write(TimestampedRecord<P> untypedRecord) throws IOException {
wrappedWriter.write((untypedRecord).getPayload());
}
@Override
public void commit() throws IOException {
wrappedWriter.commit();
}
@Override
public void cleanup() throws IOException {
wrappedWriter.cleanup();
}
@Override
public long recordsWritten() {
return wrappedWriter.recordsWritten();
}
@Override
public long bytesWritten() throws IOException {
return wrappedWriter.bytesWritten();
}
@Override
public void close() throws IOException {
wrappedWriter.close();
}
@Override
public void flush() throws IOException {
wrappedWriter.flush();
}
public String getOutputFilePath() {
if (wrappedWriter instanceof FsDataWriter) {
return ((FsDataWriter)wrappedWriter).getOutputFilePath();
} else {
throw new ClassCastException("Wrong class getting output file path: " +
wrappedWriter.getClass().getCanonicalName());
}
}
}