org.apache.cassandra.service.paxos.ProposeVerbHandler Maven / Gradle / Ivy
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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
package org.apache.cassandra.service.paxos;
/*
*
* 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.
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*/
import org.apache.cassandra.net.IVerbHandler;
import org.apache.cassandra.net.Message;
import org.apache.cassandra.net.MessagingService;
public class ProposeVerbHandler extends AbstractPaxosVerbHandler implements IVerbHandler
{
public static final ProposeVerbHandler instance = new ProposeVerbHandler();
public static Boolean doPropose(Commit proposal)
{
return PaxosState.propose(proposal);
}
void processMessage(Message message)
{
Message reply = message.responseWith(doPropose(message.payload));
MessagingService.instance().send(reply, message.from());
}
}