package org.apache.cassandra.service;
/*
*
* 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.
*
*/
import java.net.InetAddress;
import java.util.Collection;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import com.google.common.collect.Multimap;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.net.Message;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.thrift.ConsistencyLevel;
import org.apache.cassandra.thrift.UnavailableException;
import org.apache.cassandra.utils.SimpleCondition;
public abstract class AbstractWriteResponseHandler implements IWriteResponseHandler
{
protected final SimpleCondition condition = new SimpleCondition();
protected final long startTime;
protected final Collection<InetAddress> writeEndpoints;
protected final Multimap<InetAddress, InetAddress> hintedEndpoints;
protected final ConsistencyLevel consistencyLevel;
protected AbstractWriteResponseHandler(Collection<InetAddress> writeEndpoints, Multimap<InetAddress, InetAddress> hintedEndpoints, ConsistencyLevel consistencyLevel)
{
startTime = System.currentTimeMillis();
this.consistencyLevel = consistencyLevel;
this.hintedEndpoints = hintedEndpoints;
this.writeEndpoints = writeEndpoints;
}
public void get() throws TimeoutException
{
long timeout = DatabaseDescriptor.getRpcTimeout() - (System.currentTimeMillis() - startTime);
boolean success;
try
{
success = condition.await(timeout, TimeUnit.MILLISECONDS);
}
catch (InterruptedException ex)
{
throw new AssertionError(ex);
}
if (!success)
{
throw new TimeoutException();
}
}
/** null message means "response from local write" */
public abstract void response(Message msg);
public abstract void assureSufficientLiveNodes() throws UnavailableException;
}