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ServiceBindGreedyTest.java
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ServiceBindGreedyTest.java
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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.felix.scr.integration;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.felix.scr.integration.components.SimpleComponent;
import org.apache.felix.scr.integration.components.SimpleComponent2;
import org.apache.felix.scr.integration.components.SimpleService2Impl;
import org.apache.felix.scr.integration.components.SimpleServiceImpl;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.junit.PaxExam;
import org.osgi.framework.ServiceReference;
import org.osgi.service.component.ComponentConstants;
import org.osgi.service.component.ComponentFactory;
import org.osgi.service.component.ComponentInstance;
import org.osgi.service.component.runtime.dto.ComponentConfigurationDTO;
import junit.framework.TestCase;
@RunWith(PaxExam.class)
public class ServiceBindGreedyTest extends ComponentTestBase
{
private static final String PROP_NAME_FACTORY = ComponentTestBase.PROP_NAME + ".factory";
static
{
// uncomment to enable debugging of this test class
//paxRunnerVmOption = DEBUG_VM_OPTION;
descriptorFile = "/integration_test_simple_components_service_binding_greedy.xml";
}
@Test
public void test_optional_single_dynamic() throws Exception
{
final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
String name ="test_optional_single_dynamic";
ComponentConfigurationDTO cc = getDisabledConfigurationAndEnable(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp10 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp10 );
TestCase.assertEquals( srv1, comp10.m_singleRef );
TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
srv1.drop();
// no delay, should be immediate
final SimpleComponent comp11 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp10, comp11 );
TestCase.assertNull( comp11.m_singleRef );
TestCase.assertTrue( comp11.m_multiRef.isEmpty() );
final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2", 2 );
delay(); // async binding
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp12 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp10, comp12 );
TestCase.assertEquals( srv2, comp12.m_singleRef );
TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
disableAndCheck(cc);
final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3", 2 );
// enable component with two services available of same ranking, expect srv2 bind
// async enabling
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp20 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp20 );
TestCase.assertNotSame( comp10, comp20 );
TestCase.assertEquals( srv2, comp20.m_singleRef );
TestCase.assertTrue( comp20.m_multiRef.isEmpty() );
// drop srv2, expect rebind to srv3 (synchronously)
srv2.drop();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp21 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp21 );
TestCase.assertEquals( srv3, comp21.m_singleRef );
TestCase.assertTrue( comp21.m_multiRef.isEmpty() );
// create srv4, expect greedy rebind
final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4", 4 );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp22 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp22 );
TestCase.assertEquals( srv4, comp22.m_singleRef );
TestCase.assertTrue( comp22.m_multiRef.isEmpty() );
// drop srv4 again, expect rebind to srv3
srv4.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp23 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp23 );
TestCase.assertEquals( srv3, comp23.m_singleRef );
TestCase.assertTrue( comp23.m_multiRef.isEmpty() );
// "reset"
disableAndCheck(cc);
srv3.drop();
delay();
// two services with service ranking (srv6 > srv5)
final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp30 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp20, comp30 );
TestCase.assertEquals( srv6, comp30.m_singleRef );
TestCase.assertTrue( comp30.m_multiRef.isEmpty() );
// another service with higher ranking -- greedy rebind !
final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp31 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp30, comp31 );
TestCase.assertEquals( srv7, comp31.m_singleRef );
TestCase.assertTrue( comp31.m_multiRef.isEmpty() );
// srv6 goes, rebind to srv7
srv6.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp32 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp30, comp32 );
TestCase.assertEquals( srv7, comp32.m_singleRef );
TestCase.assertTrue( comp32.m_multiRef.isEmpty() );
}
@Test
public void test_optional_single_dynamic_multi_thread1() throws Exception
{
do_test_optional_single_dynamic_multi_thread(false);
}
@Test
public void test_optional_single_dynamic_multi_thread2() throws Throwable
{
do_test_optional_single_dynamic_multi_thread(true);
}
AtomicBoolean enabledConfig = new AtomicBoolean();
private void do_test_optional_single_dynamic_multi_thread(
Boolean unregPreExistingFirst)
throws Exception
{
String name = "test_optional_single_dynamic";
final int numRanks = 1000;
final int ranksPerThread = 100;
final SimpleServiceImpl preExistingServ = SimpleServiceImpl.create(bundleContext,
"preExistingServ", numRanks / 4);
if (enabledConfig.compareAndSet(false, true))
{
getDisabledConfigurationAndEnable(name, ComponentConfigurationDTO.ACTIVE);
}
final SimpleComponent comp = SimpleComponent.INSTANCE;
TestCase.assertNotNull(comp);
TestCase.assertEquals(preExistingServ, comp.m_singleRef);
TestCase.assertTrue(comp.m_multiRef.isEmpty());
final List<Integer> ranks = Collections.synchronizedList(
new LinkedList<Integer>());
for (int i = 0; i < numRanks; i++)
{
ranks.add(i);
}
Collections.shuffle(ranks);
Collection<Thread> threads = new HashSet<>();
final List<SimpleServiceImpl> registrations = Collections.synchronizedList(
new LinkedList<SimpleServiceImpl>());
final AtomicReference<SimpleServiceImpl> highest = new AtomicReference<>();
for (int i = 0; i < numRanks; i = i + ranksPerThread)
{
threads.add(new Thread(new Runnable()
{
public void run()
{
for (int j = 0; j < ranksPerThread; j++)
{
int rank = ranks.remove(0);
SimpleServiceImpl srv = SimpleServiceImpl.create(bundleContext,
"srv" + rank, rank);
registrations.add(srv);
if (rank == numRanks - 1)
{
highest.set(srv);
}
}
};
}));
}
for (Thread t : threads)
{
t.start();
}
for (Thread t : threads)
{
t.join();
}
TestCase.assertNotNull(highest.get());
TestCase.assertEquals(highest.get(), comp.m_singleRef);
TestCase.assertTrue(comp.m_multiRef.isEmpty());
threads.clear();
for (int i = 0; i < numRanks; i = i + ranksPerThread)
{
threads.add(new Thread(new Runnable()
{
public void run()
{
for (int j = 0; j < ranksPerThread; j++)
{
registrations.remove(0).drop();
}
};
}));
}
if (unregPreExistingFirst)
{
preExistingServ.drop();
}
for (Thread t : threads)
{
t.start();
}
for (Thread t : threads)
{
t.join();
}
if (!unregPreExistingFirst)
{
TestCase.assertEquals(preExistingServ, comp.m_singleRef);
TestCase.assertTrue(comp.m_multiRef.isEmpty());
preExistingServ.drop();
}
TestCase.assertEquals("Found bound reference: " + comp.m_singleRefBind + '-'
+ comp.m_singleRefUnbind, null, comp.m_singleRef);
TestCase.assertTrue(comp.m_multiRef.isEmpty());
}
@Test
public void test_required_single_dynamic() throws Exception
{
final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1", 1 );
String name ="test_required_single_dynamic";
ComponentConfigurationDTO cc = getDisabledConfigurationAndEnable(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp10 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp10 );
TestCase.assertEquals( srv1, comp10.m_singleRef );
TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
srv1.drop();
// no delay, should be immediate
findComponentConfigurationByName(name, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
final SimpleComponent comp11 = SimpleComponent.INSTANCE;
TestCase.assertNull( comp11 );
final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2", 2 );
delay(); // async binding
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp12 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp10, comp12 );
TestCase.assertEquals( srv2, comp12.m_singleRef );
TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
disableAndCheck(cc);
delay(); // async disabling
final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3", 2 );
// enable component with two services available of same ranking, expect srv2 bind
// async enabling
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp20 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp20 );
TestCase.assertNotSame( comp10, comp20 );
TestCase.assertEquals( srv2, comp20.m_singleRef );
TestCase.assertTrue( comp20.m_multiRef.isEmpty() );
// drop srv2, expect rebind to srv3 (synchronously)
srv2.drop();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp21 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp21 );
TestCase.assertEquals( srv3, comp21.m_singleRef );
TestCase.assertTrue( comp21.m_multiRef.isEmpty() );
// create srv4, expect no rebind
final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4", 2 );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp22 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp22 );
TestCase.assertEquals( srv3, comp22.m_singleRef );
TestCase.assertTrue( comp22.m_multiRef.isEmpty() );
// drop srv4 again, expect no rebind
srv4.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp23 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp23 );
TestCase.assertEquals( srv3, comp23.m_singleRef );
TestCase.assertTrue( comp23.m_multiRef.isEmpty() );
// "reset"
disableAndCheck(cc);
srv3.drop();
delay();
// two services with service ranking (srv6 > srv5)
final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp30 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp20, comp30 );
TestCase.assertEquals( srv6, comp30.m_singleRef );
TestCase.assertTrue( comp30.m_multiRef.isEmpty() );
// another service with higher ranking -- greedy rebind !
final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp31 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp30, comp31 );
TestCase.assertEquals( srv7, comp31.m_singleRef );
TestCase.assertTrue( comp31.m_multiRef.isEmpty() );
// srv6 goes, no rebind to srv7
srv6.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp32 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp30, comp32 );
TestCase.assertEquals( srv7, comp32.m_singleRef );
TestCase.assertTrue( comp32.m_multiRef.isEmpty() );
}
@Test
public void test_optional_multiple_dynamic() throws Exception
{
final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
String name ="test_optional_multiple_dynamic";
ComponentConfigurationDTO cc = getDisabledConfigurationAndEnable(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp10 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp10 );
TestCase.assertNull( comp10.m_singleRef );
TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );
srv1.drop();
// no delay, should be immediate
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp11 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp10, comp11 );
TestCase.assertNull( comp11.m_singleRef );
TestCase.assertTrue( comp11.m_multiRef.isEmpty() );
final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
delay(); // async binding
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp12 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp10, comp12 );
TestCase.assertNull( comp12.m_singleRef );
TestCase.assertTrue( comp12.m_multiRef.contains( srv2 ) );
disableAndCheck(cc);
delay(); // async disabling
final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3" );
// enable component with two services available, expect both bind
// async enabling
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp20 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp20 );
TestCase.assertNotSame( comp10, comp20 );
TestCase.assertNull( comp20.m_singleRef );
TestCase.assertTrue( comp20.m_multiRef.contains( srv2 ) );
TestCase.assertTrue( comp20.m_multiRef.contains( srv3 ) );
srv2.drop();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp21 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp21 );
TestCase.assertNull( comp21.m_singleRef );
TestCase.assertFalse( comp21.m_multiRef.contains( srv2 ) );
TestCase.assertTrue( comp21.m_multiRef.contains( srv3 ) );
// create srv4, expect bind
final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4" );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp22 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp22 );
TestCase.assertNull( comp22.m_singleRef );
TestCase.assertFalse( comp22.m_multiRef.contains( srv2 ) );
TestCase.assertTrue( comp22.m_multiRef.contains( srv3 ) );
TestCase.assertTrue( comp22.m_multiRef.contains( srv4 ) );
// drop srv4 again, expect no rebind
srv4.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp23 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp23 );
TestCase.assertNull( comp23.m_singleRef );
TestCase.assertFalse( comp23.m_multiRef.contains( srv2 ) );
TestCase.assertTrue( comp23.m_multiRef.contains( srv3 ) );
TestCase.assertFalse( comp23.m_multiRef.contains( srv4 ) );
// "reset"
disableAndCheck(cc);
srv3.drop();
delay();
// two services with service ranking (srv6 > srv5)
final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp30 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp20, comp30 );
TestCase.assertNull( comp30.m_singleRef );
TestCase.assertTrue( comp30.m_multiRef.contains( srv5 ) );
TestCase.assertTrue( comp30.m_multiRef.contains( srv6 ) );
// another service with higher ranking -- no rebind !
final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp31 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp30, comp31 );
TestCase.assertNull( comp31.m_singleRef );
TestCase.assertTrue( comp31.m_multiRef.contains( srv5 ) );
TestCase.assertTrue( comp31.m_multiRef.contains( srv6 ) );
TestCase.assertTrue( comp31.m_multiRef.contains( srv7 ) );
// srv6 goes, rebind to srv7
srv6.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp32 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp30, comp32 );
TestCase.assertNull( comp32.m_singleRef );
TestCase.assertTrue( comp32.m_multiRef.contains( srv5 ) );
TestCase.assertFalse( comp32.m_multiRef.contains( srv6 ) );
TestCase.assertTrue( comp32.m_multiRef.contains( srv7 ) );
}
@Test
public void test_required_multiple_dynamic() throws Exception
{
final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
String name ="test_required_multiple_dynamic";
ComponentConfigurationDTO cc = getDisabledConfigurationAndEnable(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp10 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp10 );
TestCase.assertNull( comp10.m_singleRef );
TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );
srv1.drop();
// no delay, should be immediate
findComponentConfigurationByName(name, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
final SimpleComponent comp11 = SimpleComponent.INSTANCE;
TestCase.assertNull( comp11 );
final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
delay(); // async binding
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp12 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp10, comp12 );
TestCase.assertNull( comp12.m_singleRef );
TestCase.assertTrue( comp12.m_multiRef.contains( srv2 ) );
disableAndCheck(cc);
delay(); // async disabling
final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3" );
// enable component with two services available, expect both bind
// async enabling
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp20 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp20 );
TestCase.assertNotSame( comp10, comp20 );
TestCase.assertNull( comp20.m_singleRef );
TestCase.assertTrue( comp20.m_multiRef.contains( srv2 ) );
TestCase.assertTrue( comp20.m_multiRef.contains( srv3 ) );
srv2.drop();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp21 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp21 );
TestCase.assertNull( comp21.m_singleRef );
TestCase.assertFalse( comp21.m_multiRef.contains( srv2 ) );
TestCase.assertTrue( comp21.m_multiRef.contains( srv3 ) );
// create srv4, expect bind
final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4" );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp22 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp22 );
TestCase.assertNull( comp22.m_singleRef );
TestCase.assertFalse( comp22.m_multiRef.contains( srv2 ) );
TestCase.assertTrue( comp22.m_multiRef.contains( srv3 ) );
TestCase.assertTrue( comp22.m_multiRef.contains( srv4 ) );
// drop srv4 again, expect no rebind
srv4.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp23 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp20, comp23 );
TestCase.assertNull( comp23.m_singleRef );
TestCase.assertFalse( comp23.m_multiRef.contains( srv2 ) );
TestCase.assertTrue( comp23.m_multiRef.contains( srv3 ) );
TestCase.assertFalse( comp23.m_multiRef.contains( srv4 ) );
// "reset"
disableAndCheck(cc);
srv3.drop();
delay();
// two services with service ranking (srv6 > srv5)
final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp30 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp20, comp30 );
TestCase.assertNull( comp30.m_singleRef );
TestCase.assertTrue( comp30.m_multiRef.contains( srv5 ) );
TestCase.assertTrue( comp30.m_multiRef.contains( srv6 ) );
// another service with higher ranking -- no rebind !
final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp31 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp30, comp31 );
TestCase.assertNull( comp31.m_singleRef );
TestCase.assertTrue( comp31.m_multiRef.contains( srv5 ) );
TestCase.assertTrue( comp31.m_multiRef.contains( srv6 ) );
TestCase.assertTrue( comp31.m_multiRef.contains( srv7 ) );
// srv6 goes, rebind to srv7
srv6.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp32 = SimpleComponent.INSTANCE;
TestCase.assertSame( comp30, comp32 );
TestCase.assertNull( comp32.m_singleRef );
TestCase.assertTrue( comp32.m_multiRef.contains( srv5 ) );
TestCase.assertFalse( comp32.m_multiRef.contains( srv6 ) );
TestCase.assertTrue( comp32.m_multiRef.contains( srv7 ) );
}
@Test
public void test_required_multiple_dynamic_factory() throws Exception
{
String name ="test_required_multiple_dynamic_factory"; //also pid
final String factoryPid = "factory_" + name;
getConfigurationsDisabledThenEnable(name, 0, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
// final String pid = "test_required_multiple_dynamic_factory";
//
// final Component component = findComponentDescriptorByName( pid );
// TestCase.assertNotNull( component );
// TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );
//
// // async enabling (unsatisfied)
// enableAndCheck(cc.description);
// delay();
// findComponentConfigurationByName(name, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
// register service, satisfying
final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
delay();
// TestCase.assertEquals( Component.STATE_FACTORY, component.getState() );
// create a component instance
final ServiceReference[] refs = bundleContext.getServiceReferences( ComponentFactory.class.getName(), "("
+ ComponentConstants.COMPONENT_FACTORY + "=" + factoryPid + ")" );
TestCase.assertNotNull( refs );
TestCase.assertEquals( 1, refs.length );
final ComponentFactory factory = ( ComponentFactory ) bundleContext.getService( refs[0] );
TestCase.assertNotNull( factory );
Hashtable<String, String> props = new Hashtable<String, String>();
props.put( PROP_NAME_FACTORY, PROP_NAME_FACTORY );
final ComponentInstance instance = factory.newInstance( props );
TestCase.assertNotNull( instance );
TestCase.assertNotNull( instance.getInstance() );
TestCase.assertEquals( SimpleComponent.INSTANCE, instance.getInstance() );
// ensure instance is bound
final SimpleComponent sc = SimpleComponent.INSTANCE;
TestCase.assertEquals( 1, sc.m_multiRef.size() );
TestCase.assertTrue( sc.m_multiRef.contains( srv1 ) );
// ensure factory is not bound
// TestCase.assertNull( component.getReferences()[0].getServiceReferences() );
// assert two components managed
checkConfigurationCount(name, 1, ComponentConfigurationDTO.ACTIVE);
// final Component[] allFactoryComponents = findComponentConfigurationsByName( pid, -1 );
// TestCase.assertNotNull( allFactoryComponents );
// TestCase.assertEquals( 2, allFactoryComponents.length );
// for ( int i = 0; i < allFactoryComponents.length; i++ )
// {
// final Component c = allFactoryComponents[i];
// if ( c.getId() == component.getId() )
// {
// TestCase.assertEquals( Component.STATE_FACTORY, c.getState() );
// }
// else if ( c.getId() == SimpleComponent.INSTANCE.m_id )
// {
// TestCase.assertEquals( Component.STATE_ACTIVE, c.getState() );
// }
// else
// {
// TestCase.fail( "Unexpected Component " + c );
// }
// }
// register second service
final SimpleServiceImpl srv11 = SimpleServiceImpl.create( bundleContext, "srv11" );
delay();
// ensure instance is bound
TestCase.assertEquals( 2, sc.m_multiRef.size() );
TestCase.assertTrue( sc.m_multiRef.contains( srv1 ) );
TestCase.assertTrue( sc.m_multiRef.contains( srv11 ) );
// ensure factory is not bound
// TestCase.assertNull( component.getReferences()[0].getServiceReferences() );
// drop second service and ensure unbound (and active)
srv11.drop();
delay();
TestCase.assertNotNull( instance.getInstance() );
TestCase.assertEquals( SimpleComponent.INSTANCE, instance.getInstance() );
TestCase.assertEquals( 1, sc.m_multiRef.size() );
TestCase.assertTrue( sc.m_multiRef.contains( srv1 ) );
// TestCase.assertNull( component.getReferences()[0].getServiceReferences() );
// remove the service, expect factory to deactivate and instance to dispose
srv1.drop();
delay();
checkConfigurationCount(name, 0, -1);
TestCase.assertNull( instance.getInstance() );
// assert component factory only managed
//TODO this check should be whether the service is registered.
// final Component[] allFactoryComponents2 = findComponentConfigurationsByName( pid, -1 );
// TestCase.assertNotNull( allFactoryComponents2 );
// TestCase.assertEquals( 1, allFactoryComponents2.length );
// for ( int i = 0; i < allFactoryComponents2.length; i++ )
// {
// final Component c = allFactoryComponents2[i];
// if ( c.getId() == component.getId() )
// {
// TestCase.assertEquals( Component.STATE_UNSATISFIED, c.getState() );
// }
// else
// {
// TestCase.fail( "Unexpected Component " + c );
// }
// }
// registeranother service, factory must come back, instance not
final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
delay();
// TestCase.assertEquals( Component.STATE_FACTORY, component.getState() );
TestCase.assertNull( instance.getInstance() );
// assert component factory only managed
checkConfigurationCount(name, 0, -1);
// final Component[] allFactoryComponents3 = findComponentConfigurationsByName( pid, -1 );
// TestCase.assertNotNull( allFactoryComponents3 );
// TestCase.assertEquals( 1, allFactoryComponents3.length );
// for ( int i = 0; i < allFactoryComponents3.length; i++ )
// {
// final Component c = allFactoryComponents3[i];
// if ( c.getId() == component.getId() )
// {
// TestCase.assertEquals( Component.STATE_FACTORY, c.getState() );
// }
// else
// {
// TestCase.fail( "Unexpected Component " + c );
// }
// }
}
@Test
public void test_optional_single_static() throws Exception
{
final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
String name ="test_optional_single_static";
ComponentConfigurationDTO cc = getDisabledConfigurationAndEnable(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp10 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp10 );
TestCase.assertEquals( srv1, comp10.m_singleRef );
TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
srv1.drop();
delay(); // async reactivate
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp11 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp10, comp11 );
TestCase.assertNull( comp11.m_singleRef );
TestCase.assertTrue( comp11.m_multiRef.isEmpty() );
final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
delay(); // async binding
// greedy static reference rebinds
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp12 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp10, comp12 );
TestCase.assertNotSame( comp11, comp12 );
TestCase.assertEquals( srv2, comp12.m_singleRef );
TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
disableAndCheck(cc);
delay(); // async disabling
final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3" );
// enable component with two services available, expect srv2 bind
// async enabling
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp20 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp20 );
TestCase.assertNotSame( comp10, comp20 );
TestCase.assertEquals( srv2, comp20.m_singleRef );
TestCase.assertTrue( comp20.m_multiRef.isEmpty() );
// drop srv2, expect rebind to srv3 (synchronously)
srv2.drop();
delay(); // async reactivate
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp21 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp20, comp21 );
TestCase.assertEquals( srv3, comp21.m_singleRef );
TestCase.assertTrue( comp21.m_multiRef.isEmpty() );
// create srv4 of lower rank, expect no rebind
final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4", -1 );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp22 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp20, comp22 );
TestCase.assertSame( comp21, comp22 );
TestCase.assertEquals( srv3, comp22.m_singleRef );
TestCase.assertTrue( comp22.m_multiRef.isEmpty() );
// drop srv4 again, expect no rebind
srv4.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp23 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp20, comp23 );
TestCase.assertSame( comp21, comp23 );
TestCase.assertSame( comp22, comp23 );
TestCase.assertEquals( srv3, comp23.m_singleRef );
TestCase.assertTrue( comp23.m_multiRef.isEmpty() );
// "reset"
disableAndCheck(cc);
srv3.drop();
delay();
// two services with service ranking (srv6 > srv5)
final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp30 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp23, comp30 );
TestCase.assertEquals( srv6, comp30.m_singleRef );
TestCase.assertTrue( comp30.m_multiRef.isEmpty() );
// another service with higher ranking rebind !
final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp31 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp30, comp31 );
TestCase.assertEquals( srv7, comp31.m_singleRef );
TestCase.assertTrue( comp31.m_multiRef.isEmpty() );
// srv6 goes, rebind to srv7
srv6.drop();
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp32 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp30, comp32 );
TestCase.assertSame( comp31, comp32 );
TestCase.assertEquals( srv7, comp32.m_singleRef );
TestCase.assertTrue( comp32.m_multiRef.isEmpty() );
}
@Test
public void test_required_single_static() throws Exception
{
final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
String name ="test_required_single_static";
ComponentConfigurationDTO cc = getDisabledConfigurationAndEnable(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp10 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp10 );
TestCase.assertEquals( srv1, comp10.m_singleRef );
TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
srv1.drop();
delay(); // async reactivate
findComponentConfigurationByName(name, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
final SimpleComponent comp11 = SimpleComponent.INSTANCE;
TestCase.assertNull( comp11 );
final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
delay(); // async binding
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp12 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp10, comp12 );
TestCase.assertEquals( srv2, comp12.m_singleRef );
TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
disableAndCheck(cc);
delay(); // async disabling
final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3" );
// enable component with two services available, expect srv2 bind
// async enabling
enableAndCheck(cc.description);
delay();
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp20 = SimpleComponent.INSTANCE;
TestCase.assertNotNull( comp20 );
TestCase.assertNotSame( comp10, comp20 );
TestCase.assertEquals( srv2, comp20.m_singleRef );
TestCase.assertTrue( comp20.m_multiRef.isEmpty() );
// drop srv2, expect rebind to srv3
srv2.drop();
delay(); // async reactivate
findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
final SimpleComponent comp21 = SimpleComponent.INSTANCE;
TestCase.assertNotSame( comp20, comp21 );
TestCase.assertEquals( srv3, comp21.m_singleRef );
TestCase.assertTrue( comp21.m_multiRef.isEmpty() );
// create srv4, expect no rebind
final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4" );