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/*
* 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 node;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;
import javax.xml.namespace.QName;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.Service;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.DeployedArtifact;
import org.apache.tuscany.sca.contribution.service.impl.ContributionServiceImpl;
import org.apache.tuscany.sca.domain.SCADomain;
import org.apache.tuscany.sca.node.NodeManagerInitService;
import org.apache.tuscany.sca.node.SCANode;
import org.apache.tuscany.sca.node.SCANodeFactory;
import org.apache.tuscany.sca.node.impl.SCANodeImpl;
import java.net.URI;
import workpool.WorkerManager;
import workpool.WorkerManagerImpl;
import workpool.WorkpoolManager;
import workpool.WorkpoolService;
import workpool.WorkpoolServiceImpl;
/**
* This client program shows how to run a distributed SCA node. In this case a
* calculator node has been constructed specifically for running the calculator
* composite. Internally it creates a representation of a node and associates a
* distributed domain with the node. This separation is made different
* implementations of the distributed domain can be provided.
*/
public class WorkpoolNode {
public static void main(String[] args) throws Exception {
// Check that the correct arguments have been provided
if (null == args || args.length < 4) {
System.err
.println("Useage: java WorkpoolNode domainname nodename iterTest workerNo");
System.exit(1);
}
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String domainName = args[0];
String nodeName = args[1];
long iterations = Long.parseLong(args[2]);
long jobsNo = Long.parseLong(args[3]);
long workerNo = Long.parseLong(args[4]);
ClassLoader cl = WorkpoolNode.class.getClassLoader();
SCANodeFactory nodeFactory = SCANodeFactory.newInstance();
SCANode node = nodeFactory.createSCANode(null, domainName);
node.addContribution(nodeName, cl.getResource(nodeName + "/"));
node.addToDomainLevelComposite(new QName("http://sample", "Workpool"));
node.start();
// nodeA is the head node and runs some tests while all other nodes
// simply listen for incoming messages
FileReader rules = new FileReader("workerRules.drl");
StringBuffer buffer = new StringBuffer();
BufferedReader br = new BufferedReader(rules);
String ruleString;
do {
ruleString = br.readLine();
if (ruleString != null) {
buffer.append(ruleString + "\n");
}
} while (ruleString != null);
if (nodeName.equals("nodeA")) {
// do some application stuff
WorkpoolService workpoolService = node.getDomain().getService(
WorkpoolService.class, "WorkpoolServiceComponent");
workpoolService.start();
NodeManagerInitService nodeInit = node.getDomain().getService(
NodeManagerInitService.class,
"WorkpoolManagerComponent/NodeManagerInitService");
nodeInit.setNode(node);
WorkpoolManager workpoolManager = node.getDomain().getService(
WorkpoolManager.class,
"WorkpoolManagerComponent/WorkpoolManager");
workpoolManager.setWorkpoolReference(node.getDomain()
.getServiceReference(WorkpoolService.class,
"WorkpoolServiceComponent"));
workpoolManager.setCycleTime(8000);
workpoolManager.acceptRules(buffer.toString());
workpoolManager.start();
int items[] = { 3, 4, 5, 6, 3, 6, 3, 5, 9, 5, 6 };
double x = 398349;
for (int i = 0; i < jobsNo; ++i)
workpoolService.submit(new TestJob(x, iterations, items));
TestJob j = new TestJob(-1.0, true);
for (int i = 0; i < workerNo + 1; ++i) {
j.setEOS();
workpoolService.submit(j);
}
}
try {
if (nodeName.equals("nodeB")) {
NodeManagerInitService serviceNodeB = node
.getDomain()
.getService(NodeManagerInitService.class,
"WorkerManagerNodeBComponent/NodeManagerInitService");
serviceNodeB.setNode(node);
}
if (nodeName.equals("nodeC")) {
NodeManagerInitService workerManagerC = node
.getDomain()
.getService(NodeManagerInitService.class,
"WorkerManagerNodeCComponent/NodeManagerInitService");
workerManagerC.setNode(node);
}
if (nodeName.equals("nodeD")) {
NodeManagerInitService workerManagerD = node
.getDomain()
.getService(NodeManagerInitService.class,
"WorkerManagerNodeDComponent/NodeManagerInitService");
workerManagerD.setNode(node);
}
if (nodeName.equals("nodeE")) {
NodeManagerInitService workerManagerE = node
.getDomain()
.getService(NodeManagerInitService.class,
"WorkerManagerNodeEComponent/NodeManagerInitService");
workerManagerE.setNode(node);
}
System.out.println("Node started (press enter to shutdown)");
String buff;
for (;;) {
try {
buff = in.readLine();
if (buff == null)
break;
System.out.print(in.readLine());
} catch (IOException ex) {
break; // Exit thread.
}
}
// stop the node and all the domains in it
node.stop();
node.destroy();
System.exit(0);
} catch (Exception ex) {
System.err.println("Exception in node - " + ex.getMessage());
ex.printStackTrace(System.err);
}
}
}
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