/*
* 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.service;
import java.io.IOException;
import java.util.List;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.RangeCommand;
import org.apache.cassandra.db.RangeReply;
import org.apache.cassandra.db.Table;
import org.apache.cassandra.net.IVerbHandler;
import org.apache.cassandra.net.Message;
import org.apache.cassandra.net.MessagingService;
public class RangeVerbHandler implements IVerbHandler
{
public void doVerb(Message message)
{
List<String> keys;
try
{
RangeCommand command = RangeCommand.read(message);
Table table = Table.open(command.table);
keys = table.getKeyRange(command.startWith, command.stopAt, command.maxResults);
}
catch (Exception e)
{
throw new RuntimeException(e);
}
Message response = new RangeReply(keys).getReply(message);
MessagingService.getMessagingInstance().sendOneWay(response, message.getFrom());
}
}