/**
* 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.db;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.cassandra.io.ICompactSerializer;
import org.apache.cassandra.service.StorageService;
import org.apache.cassandra.utils.ByteBufferUtil;
public class Row
{
private static Logger logger_ = LoggerFactory.getLogger(Row.class);
private static RowSerializer serializer = new RowSerializer();
static RowSerializer serializer()
{
return serializer;
}
public final DecoratedKey key;
public final ColumnFamily cf;
public Row(DecoratedKey key, ColumnFamily cf)
{
assert key != null;
// cf may be null, indicating no data
this.key = key;
this.cf = cf;
}
@Override
public String toString()
{
return "Row(" +
"key=" + key +
", cf=" + cf +
')';
}
}
class RowSerializer implements ICompactSerializer<Row>
{
public void serialize(Row row, DataOutputStream dos) throws IOException
{
ByteBufferUtil.writeWithShortLength(row.key.key, dos);
ColumnFamily.serializer().serialize(row.cf, dos);
}
public Row deserialize(DataInputStream dis) throws IOException
{
return new Row(StorageService.getPartitioner().decorateKey(ByteBufferUtil.readWithShortLength(dis)),
ColumnFamily.serializer().deserialize(dis));
}
}