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A fork of the Apache Cassandra Project ready to embed Elasticsearch.
/*
* 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.apache.cassandra.io.sstable;
import java.util.Collection;
import java.util.Collections;
import java.util.UUID;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.db.RowIndexEntry;
import org.apache.cassandra.db.SerializationHeader;
import org.apache.cassandra.db.lifecycle.LifecycleTransaction;
import org.apache.cassandra.db.rows.UnfilteredRowIterator;
import org.apache.cassandra.io.sstable.format.SSTableReader;
import org.apache.cassandra.io.sstable.format.SSTableWriter;
import org.apache.cassandra.io.sstable.metadata.MetadataCollector;
public class SimpleSSTableMultiWriter implements SSTableMultiWriter
{
private final SSTableWriter writer;
protected SimpleSSTableMultiWriter(SSTableWriter writer)
{
this.writer = writer;
}
public boolean append(UnfilteredRowIterator partition)
{
RowIndexEntry indexEntry = writer.append(partition);
return indexEntry != null;
}
public Collection finish(long repairedAt, long maxDataAge, boolean openResult)
{
return Collections.singleton(writer.finish(repairedAt, maxDataAge, openResult));
}
public Collection finish(boolean openResult)
{
return Collections.singleton(writer.finish(openResult));
}
public Collection finished()
{
return Collections.singleton(writer.finished());
}
public SSTableMultiWriter setOpenResult(boolean openResult)
{
writer.setOpenResult(openResult);
return this;
}
public String getFilename()
{
return writer.getFilename();
}
public long getFilePointer()
{
return writer.getFilePointer();
}
public UUID getCfId()
{
return writer.metadata.cfId;
}
public Throwable commit(Throwable accumulate)
{
return writer.commit(accumulate);
}
public Throwable abort(Throwable accumulate)
{
return writer.abort(accumulate);
}
public void prepareToCommit()
{
writer.prepareToCommit();
}
public void close()
{
writer.close();
}
@SuppressWarnings("resource") // SimpleSSTableMultiWriter closes writer
public static SSTableMultiWriter create(Descriptor descriptor,
long keyCount,
long repairedAt,
CFMetaData cfm,
MetadataCollector metadataCollector,
SerializationHeader header,
LifecycleTransaction txn)
{
SSTableWriter writer = SSTableWriter.create(descriptor, keyCount, repairedAt, cfm, metadataCollector, header, txn);
return new SimpleSSTableMultiWriter(writer);
}
}