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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 org.apache.tuscany.sca.itest;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.Assert;
import org.osoa.sca.annotations.Reference;
import org.osoa.sca.annotations.Service;
/**
* This is the client implementation for the call backs in a separate thread tests
*/
@Service(CallBackSeparateThreadClient.class)
public class CallBackSeparateThreadClientImpl implements CallBackSeparateThreadClient, EventProcessorCallBack {
/**
* Used to sleep for 60 seconds.
*/
private static final int SIXTY_SECONDS = 60 * 1000;
/**
* Counts the number of one second call backs
*/
private static final AtomicInteger oneSecondCallbackCount = new AtomicInteger();
/**
* Counts the number of five second call backs
*/
private static final AtomicInteger fiveSecondCallbackCount = new AtomicInteger();
/**
* This is our injected reference to the EventProcessorService
*/
@Reference
protected EventProcessorService aCallBackService;
/**
* This tests call back patterns using separate threads.
*/
public void runTests() {
// Register for 1 second call back
registerFor1SecondCallback();
// Wait for a few 1 second call backs
System.out.println("Waiting for some 1 second calls");
waitForSome1SecondCallbacks();
// Register for 5 second call back
registerFor5SecondCallback();
// Wait for a few 1 second call backs
System.out.println("Waiting for some 1 second calls");
waitForSome1SecondCallbacks();
// Wait for a few 5 second call backs
System.out.println("Waiting for some 5 second calls");
waitForSome5SecondCallbacks();
System.out.println("Done");
}
/**
* Waits for some one second call backs to be fired
*/
private void waitForSome1SecondCallbacks() {
// Reset the one second call back count
oneSecondCallbackCount.set(0);
// Wait until we have 10 1 second call backs or 60 seconds has passed
final long start = System.currentTimeMillis();
do {
if (oneSecondCallbackCount.get() >= 10) {
System.out.println("Received enough 1 second notifications");
return;
}
try {
Thread.sleep(500);
} catch (InterruptedException e) {
Assert.fail("Unexpeceted exception " + e);
}
}
while (System.currentTimeMillis() - start < SIXTY_SECONDS);
// If we get to here then we did not receive enough events
Assert.fail("Did not receive enough 1 second events");
}
/**
* Waits for some five second call backs to be fired
*/
private void waitForSome5SecondCallbacks() {
// Reset the five second call back count
fiveSecondCallbackCount.set(0);
// Wait until we have 4 5 second call backs or 60 seconds has passed
final long start = System.currentTimeMillis();
do
{
if (fiveSecondCallbackCount.get() >= 4) {
System.out.println("Received enough 5 second notifications");
return;
}
try
{
Thread.sleep(500);
}
catch (InterruptedException e)
{
Assert.fail("Unexpeceted exception " + e);
}
}
while (System.currentTimeMillis() - start < SIXTY_SECONDS);
// If we get to here then we did not receive enough events
Assert.fail("Did not receive enough 5 second events");
}
/**
* Register to receive one second call backs
*/
private void registerFor1SecondCallback() {
aCallBackService.registerForEvent("ONE");
return;
}
/**
* Register to receive five second call backs
*/
private void registerFor5SecondCallback() {
aCallBackService.registerForEvent("FIVE");
}
/**
* Method that is called when an Event is delivered.
*
* @param aEventName The name of the Event
* @param aEventData The Event data
*/
public void eventNotification(String aEventName, Object aEventData) {
// System.out.println("Received Event : " + aEventName + " " + aEventData);
if (aEventName.equals("ONE")) {
final int newValue = oneSecondCallbackCount.incrementAndGet();
//System.out.println("Received total of " + newValue + " 1 second call backs");
} else if (aEventName.equals("FIVE")) {
final int newValue = fiveSecondCallbackCount.incrementAndGet();
//System.out.println("Received total of " + newValue + " 5 second call backs");
}
else
System.out.println("Unknown event type of " + aEventName);
}
}
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