/*
* 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.util.List;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Arrays;
import java.io.IOException;
import org.apache.cassandra.io.DataInputBuffer;
import org.apache.cassandra.io.DataOutputBuffer;
import org.apache.cassandra.net.Message;
import org.apache.cassandra.service.StorageService;
public class RangeReply
{
public final List<String> keys;
public RangeReply(List<String> keys)
{
this.keys = Collections.unmodifiableList(keys);
}
public Message getReply(Message originalMessage)
{
DataOutputBuffer dob = new DataOutputBuffer();
for (String key : keys)
{
try
{
dob.writeUTF(key);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
byte[] data = Arrays.copyOf(dob.getData(), dob.getLength());
return originalMessage.getReply(StorageService.getLocalStorageEndPoint(), data);
}
public static RangeReply read(byte[] body) throws IOException
{
DataInputBuffer bufIn = new DataInputBuffer();
bufIn.reset(body, body.length);
List<String> keys = new ArrayList<String>();
while (bufIn.getPosition() < body.length)
{
keys.add(bufIn.readUTF());
}
return new RangeReply(keys);
}
}