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*
* Licensed to the Apache Software Foundation (ASF) under one
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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
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
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package workflowtracking.samples.invoke;
import org.apache.airavata.wsmg.client.WseMsgBrokerClient;
import org.apache.airavata.wsmg.client.msgbox.MessagePuller;
import org.apache.axis2.addressing.EndpointReference;
import workflowtracking.samples.util.ConfigKeys;
import workflowtracking.samples.util.Listener;
import java.io.IOException;
import java.util.Properties;
import java.io.*;
public class SimpleWorkflowTracker {
private static Properties getDefaults() {
Properties defaults = new Properties();
defaults.setProperty(ConfigKeys.MSGBOX_SERVICE_URL,
"http://localhost:8080/axis2/services/MsgBoxService");
defaults.setProperty(ConfigKeys.MSGBROKER_SERVICE_URL,
"http://localhost:8080/axis2/services/EventingService");
defaults.setProperty(ConfigKeys.TOPIC, "abc");
return defaults;
}
public static void main(String[] args) throws IOException {
Properties configurations = new Properties(getDefaults());
try {
InputStream ioStream = new FileInputStream(ConfigKeys.CONFIG_FILE_NAME);
configurations.load(ioStream);
} catch (IOException ioe) {
System.out.println("unable to load configuration file, "
+ "default settings will be used");
}
WseMsgBrokerClient brokerClient = new WseMsgBrokerClient();
String brokerLocation = configurations.getProperty(ConfigKeys.MSGBROKER_SERVICE_URL);
brokerClient.init(brokerLocation);
String topic = configurations.getProperty(ConfigKeys.TOPIC);
NotificationSender sender = new NotificationSender(brokerLocation, topic);
// Creating a messagebox
EndpointReference msgBoxEpr = brokerClient.createPullMsgBox(configurations.getProperty(ConfigKeys.MSGBOX_SERVICE_URL));
// subscribing to the above created messsage box with configured topic
String subscriptionID = brokerClient.subscribe(msgBoxEpr.getAddress(), topic, null);
//Start the messagePuller to pull messages from newly created messagebox
MessagePuller puller = brokerClient.startPullingEventsFromMsgBox(msgBoxEpr, new Listener(), 1000L, 2000L);
sender.workflowStarted("Workflow Started");
//Here we simply assume the workflow invocation is the invoke of the subscribe operation of EventingService and result
// Is considered as the subscriptionID got from subscribe operation
String workflowResult = subscriptionID;
sender.workflowFinished(workflowResult);
try {
Thread.sleep(10000L);
} catch (InterruptedException e) {
e.printStackTrace();
}
brokerClient.unSubscribe(subscriptionID);
puller.stopPulling();
System.out.println("Delete message box response : "
+ brokerClient.deleteMsgBox(msgBoxEpr, 500L));
}
}