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* 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
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package org.apache.uima.ducc.agent.processors;
import java.util.TreeMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import org.apache.camel.Exchange;
import org.apache.uima.ducc.agent.Agent;
import org.apache.uima.ducc.agent.NodeAgent;
import org.apache.uima.ducc.agent.metrics.collectors.DefaultNodeLoadAverageCollector;
import org.apache.uima.ducc.agent.metrics.collectors.DefaultNodeMemoryCollector;
import org.apache.uima.ducc.agent.metrics.collectors.NodeCpuCollector;
import org.apache.uima.ducc.agent.metrics.collectors.NodeUsersCollector;
import org.apache.uima.ducc.common.DuccNode;
import org.apache.uima.ducc.common.Node;
import org.apache.uima.ducc.common.agent.metrics.memory.NodeMemory;
import org.apache.uima.ducc.common.node.metrics.NodeCpuInfo;
import org.apache.uima.ducc.common.node.metrics.NodeLoadAverage;
import org.apache.uima.ducc.common.node.metrics.NodeMetrics;
import org.apache.uima.ducc.common.node.metrics.NodeUsersInfo;
import org.apache.uima.ducc.common.utils.DuccLogger;
import org.apache.uima.ducc.transport.event.NodeMetricsUpdateDuccEvent;
public class DefaultNodeMetricsProcessor extends BaseProcessor implements
NodeMetricsProcessor {
private final NodeAgent agent;
private ExecutorService pool = Executors.newFixedThreadPool(1);
DuccLogger logger = DuccLogger.getLogger(this.getClass(), Agent.COMPONENT_NAME);
public DefaultNodeMetricsProcessor(final NodeAgent agent) throws Exception {
this.agent = agent;
}
public void process(Exchange exchange) throws Exception {
String methodName = "process";
try {
DefaultNodeMemoryCollector collector = new DefaultNodeMemoryCollector();
Future<NodeMemory> nmiFuture = pool.submit(collector);
DefaultNodeLoadAverageCollector loadAvgCollector =
new DefaultNodeLoadAverageCollector();
Future<NodeLoadAverage> loadFuture = pool.submit(loadAvgCollector);
NodeCpuCollector cpuCollector = new NodeCpuCollector();
Future<NodeCpuInfo> cpuFuture = pool.submit(cpuCollector);
NodeUsersCollector nodeUsersCollector = new NodeUsersCollector(agent, logger);
Future<TreeMap<String,NodeUsersInfo>> nuiFuture = pool.submit(nodeUsersCollector);
NodeMetrics nodeMetrics =
new NodeMetrics(agent.getIdentity(), nmiFuture.get(), loadFuture.get(),
cpuFuture.get(), nuiFuture.get());
//Node node = new DuccNode(new NodeIdentity(), nodeMetrics);
// jrc 2011-07-30 I think this needs to be agent.getIdentity(), not create a new identity.
Node node = new DuccNode(agent.getIdentity(), nodeMetrics);
// Make the agent aware how much memory is available on the node. Do this once.
if ( agent.getNodeInfo() == null ) {
agent.setNodeInfo(node);
}
logger.info(methodName, null, "... Agent "+node.getNodeIdentity().getName()+" Posting Users:"+
node.getNodeMetrics().getNodeUsersMap().size());
NodeMetricsUpdateDuccEvent event = new NodeMetricsUpdateDuccEvent(node,agent.getInventoryRef().size());
exchange.getIn().setBody(event, NodeMetricsUpdateDuccEvent.class);
} catch( Exception e) {
e.printStackTrace();
}
}
}