| /* |
| * 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.usergrid.count; |
| |
| |
| import java.util.Collection; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.usergrid.count.common.Count; |
| import com.yammer.metrics.Metrics; |
| import com.yammer.metrics.core.Timer; |
| import com.yammer.metrics.core.TimerContext; |
| |
| |
| /** |
| * Submits directly to Cassandra for insertion |
| * |
| * @author zznate |
| */ |
| public class CassandraSubmitter implements BatchSubmitter { |
| private final Logger log = LoggerFactory.getLogger( CassandraSubmitter.class ); |
| |
| private final int threadCount = 3; |
| private final CassandraCounterStore cassandraCounterStore; |
| |
| private final ExecutorService executor = Executors.newFixedThreadPool( threadCount ); |
| private final Timer addTimer = |
| Metrics.newTimer( CassandraSubmitter.class, "submit_invocation", TimeUnit.MICROSECONDS, TimeUnit.SECONDS ); |
| |
| |
| public CassandraSubmitter( CassandraCounterStore cassandraCounterStore ) { |
| this.cassandraCounterStore = cassandraCounterStore; |
| } |
| |
| |
| @Override |
| public Future submit( final Collection<Count> counts ) { |
| return executor.submit( new Callable<Object>() { |
| final TimerContext timer = addTimer.time(); |
| |
| |
| @Override |
| public Object call() throws Exception { |
| cassandraCounterStore.save( counts ); |
| timer.stop(); |
| return true; |
| } |
| } ); |
| } |
| |
| |
| @Override |
| public void shutdown() { |
| log.warn( "Shutting down CassandraSubmitter" ); |
| executor.shutdown(); |
| } |
| } |