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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.qpid.server.exchange;
import org.apache.qpid.AMQException;
import org.apache.qpid.server.queue.NoConsumersException;
import org.apache.qpid.server.util.TimedRun;
import org.apache.qpid.server.util.AveragedRun;
import org.apache.qpid.framing.BasicPublishBody;
import org.apache.qpid.framing.ContentHeaderBody;
import org.apache.qpid.framing.ContentBody;
import java.util.List;
/**
* Want to vary the number of regsitrations, messages and matches and measure
* the corresponding variance in execution time.
* <p/>
* Each registration will contain the 'All' header, even registrations will
* contain the 'Even' header and odd headers will contain the 'Odd' header.
* In additions each regsitration will have a unique value for the 'Specific'
* header as well.
* <p/>
* Messages can then be routed to all registrations, to even- or odd- registrations
* or to a specific registration.
*
*/
public class HeadersExchangePerformanceTest extends AbstractHeadersExchangeTest
{
private static enum Mode {ALL, ODD_OR_EVEN, SPECIFIC}
private final TestQueue[] queues;
private final Mode mode;
public HeadersExchangePerformanceTest(Mode mode, int registrations) throws AMQException
{
this.mode = mode;
queues = new TestQueue[registrations];
for (int i = 0; i < queues.length; i++)
{
switch(mode)
{
case ALL:
queues[i] = bind(new FastQueue("Queue" + i), "All");
break;
case ODD_OR_EVEN:
queues[i] = bind(new FastQueue("Queue" + i), "All", oddOrEven(i));
break;
case SPECIFIC:
queues[i] = bind(new FastQueue("Queue" + i), "All", oddOrEven(i), "Specific"+ i);
break;
}
}
}
void sendToAll(int count) throws AMQException
{
send(count, "All=True");
}
void sendToOdd(int count) throws AMQException
{
send(count, "All=True", "Odd=True");
}
void sendToEven(int count) throws AMQException
{
send(count, "All=True", "Even=True");
}
void sendToAllSpecifically(int count) throws AMQException
{
for (int i = 0; i < queues.length; i++)
{
sendToSpecific(count, i);
}
}
void sendToSpecific(int count, int index) throws AMQException
{
send(count, "All=True", oddOrEven(index) + "=True", "Specific=" + index);
}
private void send(int count, String... headers) throws AMQException
{
for (int i = 0; i < count; i++)
{
route(new Message("Message" + i, headers));
}
}
private static String oddOrEven(int i)
{
return (i % 2 == 0 ? "Even" : "Odd");
}
static class FastQueue extends TestQueue
{
public FastQueue(String name) throws AMQException
{
super(name);
}
public void deliver(BasicPublishBody publishBody, ContentHeaderBody contentHeaderBody, List<ContentBody> contentBodies) throws NoConsumersException
{
//just discard as we are not testing routing functionality here
}
}
static class Test extends TimedRun
{
private final Mode mode;
private final int registrations;
private final int count;
private HeadersExchangePerformanceTest test;
Test(Mode mode, int registrations, int count)
{
super(mode + ", registrations=" + registrations + ", count=" + count);
this.mode = mode;
this.registrations = registrations;
this.count = count;
}
protected void setup() throws Exception
{
test = new HeadersExchangePerformanceTest(mode, registrations);
run(100); //do a warm up run before times start
}
protected void teardown() throws Exception
{
test = null;
System.gc();
}
protected void run() throws Exception
{
run(count);
}
private void run(int count) throws Exception
{
switch(mode)
{
case ALL:
test.sendToAll(count);
break;
default:
System.out.println("Test for " + mode + " not yet implemented.");
}
}
}
public static void main(String[] argv) throws Exception
{
int registrations = Integer.parseInt(argv[0]);
int messages = Integer.parseInt(argv[1]);
int iterations = Integer.parseInt(argv[2]);
TimedRun test = new Test(Mode.ALL, registrations, messages);
AveragedRun tests = new AveragedRun(test, iterations);
System.out.println(tests.call());
}
}
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