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Posted to commits@felix.apache.org by pd...@apache.org on 2015/07/09 00:10:16 UTC

svn commit: r1689973 [6/25] - in /felix/sandbox/pderop/dependencymanager.ds: cnf/ext/ cnf/localrepo/ cnf/localrepo/org.apache.felix.framework/ cnf/releaserepo/ org.apache.felix.dependencymanager.ds.itest/ org.apache.felix.dependencymanager.ds.itest/.se...

Added: felix/sandbox/pderop/dependencymanager.ds/org.apache.felix.dependencymanager.ds.itest/src/org/apache/felix/scr/integration/ServiceBindTest.java
URL: http://svn.apache.org/viewvc/felix/sandbox/pderop/dependencymanager.ds/org.apache.felix.dependencymanager.ds.itest/src/org/apache/felix/scr/integration/ServiceBindTest.java?rev=1689973&view=auto
==============================================================================
--- felix/sandbox/pderop/dependencymanager.ds/org.apache.felix.dependencymanager.ds.itest/src/org/apache/felix/scr/integration/ServiceBindTest.java (added)
+++ felix/sandbox/pderop/dependencymanager.ds/org.apache.felix.dependencymanager.ds.itest/src/org/apache/felix/scr/integration/ServiceBindTest.java Wed Jul  8 22:10:14 2015
@@ -0,0 +1,1336 @@
+/*
+ * 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.Hashtable;
+
+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.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;
+
+
+public class ServiceBindTest extends ComponentTestBase
+{
+
+    private static final String PROP_NAME_FACTORY = ComponentTestBase.PROP_NAME + ".factory";
+
+    public ServiceBindTest()
+    {
+        super("/resource/integration_test_simple_components_service_binding.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" );
+        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" );
+
+        // 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();
+
+        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" );
+        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 -- 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.assertEquals( srv6, 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() );
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+        srv3.drop();
+        srv4.drop();
+        srv5.drop();
+        srv6.drop();
+        srv7.drop();
+    }
+
+
+    @Test
+    public void test_required_single_dynamic() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+
+        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" );
+        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 (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" );
+        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 -- 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.assertEquals( srv6, 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() );
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+        srv3.drop();
+        srv4.drop();
+        srv5.drop();
+        srv6.drop();
+        srv7.drop();
+    }
+
+
+    @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 ) );
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+        srv3.drop();
+        srv4.drop();
+        srv5.drop();
+        srv6.drop();
+        srv7.drop();
+    }
+
+
+    @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 ) );
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+        srv3.drop();
+        srv4.drop();
+        srv5.drop();
+        srv6.drop();
+        srv7.drop();
+    }
+
+
+    @Test
+    public void test_required_multiple_dynamic_factory() throws Exception
+    {
+        String name ="test_required_multiple_dynamic_factory"; //also pid
+        final String factoryPid = "factory_" + name;
+        Collection<ComponentConfigurationDTO> confs = 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 );
+//            }
+//        }
+        
+        disableAndCheck(confs);
+        srv1.drop();
+        srv11.drop();
+        srv2.drop();
+    }
+
+
+    @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
+
+        // static reference does not rebind unless component is cycled for other reasons !!
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+
+        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp12 );
+        TestCase.assertSame( comp11, comp12 );
+        TestCase.assertNull( 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, expect no rebind
+        final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4" );
+        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 -- 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.assertEquals( srv6, 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.assertNotSame( comp31, comp32 );
+        TestCase.assertEquals( srv7, comp32.m_singleRef );
+        TestCase.assertTrue( comp32.m_multiRef.isEmpty() );
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+        srv3.drop();
+        srv4.drop();
+        srv5.drop();
+        srv6.drop();
+        srv7.drop();
+    }
+
+
+    @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" );
+        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 -- 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.assertEquals( srv6, 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.assertNotSame( comp31, comp32 );
+        TestCase.assertEquals( srv7, comp32.m_singleRef );
+        TestCase.assertTrue( comp32.m_multiRef.isEmpty() );
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+        srv3.drop();
+        srv4.drop();
+        srv5.drop();
+        srv6.drop();
+        srv7.drop();
+    }
+
+
+    @Test
+    public void test_optional_multiple_static() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+
+        String name ="test_optional_multiple_static";
+        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();
+        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
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+
+        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp12 );
+        TestCase.assertSame( comp11, comp12 );
+        TestCase.assertNull( 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 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.assertNotSame( comp11, comp20 );
+        TestCase.assertNotSame( comp12, comp20 );
+        TestCase.assertNull( comp20.m_singleRef );
+        TestCase.assertTrue( comp20.m_multiRef.contains( srv2 ) );
+        TestCase.assertTrue( comp20.m_multiRef.contains( srv3 ) );
+
+        srv2.drop();
+        delay(); // async reactivate
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+
+        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp20, comp21 );
+        TestCase.assertNull( comp21.m_singleRef );
+        TestCase.assertFalse( comp21.m_multiRef.contains( srv2 ) );
+        TestCase.assertTrue( comp21.m_multiRef.contains( srv3 ) );
+
+        // create srv4, expect not bind (static case)
+        final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4" );
+        delay();
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+
+        final SimpleComponent comp22 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp20, comp22 );
+        TestCase.assertSame( comp21, comp22 );
+        TestCase.assertNull( comp22.m_singleRef );
+        TestCase.assertFalse( comp22.m_multiRef.contains( srv2 ) );
+        TestCase.assertTrue( comp22.m_multiRef.contains( srv3 ) );
+        TestCase.assertFalse( comp22.m_multiRef.contains( srv4 ) );
+
+        // 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.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( comp23, 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.assertFalse( comp31.m_multiRef.contains( srv7 ) );
+
+        // srv6 goes, rebind to srv7
+        srv6.drop();
+        delay();
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+
+        final SimpleComponent comp32 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp30, comp32 );
+        TestCase.assertNotSame( comp31, 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 ) );
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+        srv3.drop();
+        srv4.drop();
+        srv5.drop();
+        srv6.drop();
+        srv7.drop();
+    }
+
+
+    @Test
+    public void test_required_multiple_static() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+
+        String name ="test_required_multiple_static";
+        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();
+        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.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.assertNotSame( comp12, comp20 );
+        TestCase.assertNull( comp20.m_singleRef );
+        TestCase.assertTrue( comp20.m_multiRef.contains( srv2 ) );
+        TestCase.assertTrue( comp20.m_multiRef.contains( srv3 ) );
+
+        srv2.drop();
+        delay(); // async reactivate
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+
+        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( 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.assertNotSame( comp20, comp22 );
+        TestCase.assertSame( comp21, comp22 );
+        TestCase.assertNull( comp22.m_singleRef );
+        TestCase.assertFalse( comp22.m_multiRef.contains( srv2 ) );
+        TestCase.assertTrue( comp22.m_multiRef.contains( srv3 ) );
+        TestCase.assertFalse( comp22.m_multiRef.contains( srv4 ) );
+
+        // 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.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( comp23, 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.assertFalse( comp31.m_multiRef.contains( srv7 ) );
+
+        // srv6 goes, rebind to srv7
+        srv6.drop();
+        delay();
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+
+        final SimpleComponent comp32 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp30, comp32 );
+        TestCase.assertNotSame( comp31, 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 ) );
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+        srv3.drop();
+        srv4.drop();
+        srv5.drop();
+        srv6.drop();
+        srv7.drop();
+    }
+
+    @Test
+    public void test_multi_service_bind_unbind_order() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        final SimpleService2Impl srv2 = SimpleService2Impl.create( bundleContext, "srv2" );
+
+        String name ="test_multi_service_bind_unbind_order";
+        ComponentConfigurationDTO cc = getDisabledConfigurationAndEnable(name, ComponentConfigurationDTO.ACTIVE);
+
+        final SimpleComponent2 comp10 = SimpleComponent2.INSTANCE;
+        TestCase.assertNotNull( comp10 );
+        TestCase.assertEquals( 2, comp10.getBindings().size() );
+        TestCase.assertEquals( "bindSimpleService", comp10.getBindings().get( 0 ) );
+        TestCase.assertEquals( "bindSimpleService2", comp10.getBindings().get( 1 ) );
+
+        disableAndCheck(cc);
+        delay();
+
+        TestCase.assertEquals( 4, comp10.getBindings().size() );
+        TestCase.assertEquals( "bindSimpleService", comp10.getBindings().get( 0 ) );
+        TestCase.assertEquals( "bindSimpleService2", comp10.getBindings().get( 1 ) );
+        TestCase.assertEquals( "unbindSimpleService2", comp10.getBindings().get( 2 ) );
+        TestCase.assertEquals( "unbindSimpleService", comp10.getBindings().get( 3 ) );
+
+        srv1.drop();
+        srv2.drop();
+    }
+}
\ No newline at end of file

Added: felix/sandbox/pderop/dependencymanager.ds/org.apache.felix.dependencymanager.ds.itest/src/org/apache/felix/scr/integration/ServiceChangedTest.java
URL: http://svn.apache.org/viewvc/felix/sandbox/pderop/dependencymanager.ds/org.apache.felix.dependencymanager.ds.itest/src/org/apache/felix/scr/integration/ServiceChangedTest.java?rev=1689973&view=auto
==============================================================================
--- felix/sandbox/pderop/dependencymanager.ds/org.apache.felix.dependencymanager.ds.itest/src/org/apache/felix/scr/integration/ServiceChangedTest.java (added)
+++ felix/sandbox/pderop/dependencymanager.ds/org.apache.felix.dependencymanager.ds.itest/src/org/apache/felix/scr/integration/ServiceChangedTest.java Wed Jul  8 22:10:14 2015
@@ -0,0 +1,604 @@
+/*
+ * 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 org.apache.felix.scr.integration.components.SimpleComponent;
+import org.apache.felix.scr.integration.components.SimpleServiceImpl;
+import org.junit.Test;
+import org.osgi.service.component.runtime.dto.ComponentConfigurationDTO;
+
+import junit.framework.TestCase;
+
+
+public class ServiceChangedTest extends ComponentTestBase
+{
+    public ServiceChangedTest() 
+    {
+        super("/resource/integration_test_simple_components_service_binding.xml");
+    }
+
+    @Test
+    public void test_optional_single_dynamic() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        String name = "test_optional_single_dynamic_target";
+        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() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);
+
+        // update a service property
+        srv1.update( "srv1-modified" );
+
+        // no changes in bindings expected
+        TestCase.assertEquals( srv1, comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);
+
+        // set target to not match any more
+        srv1.setFilterProperty( "don't match" );
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
+        TestCase.assertSame( comp10, comp11 );
+        TestCase.assertNull( comp11.m_singleRef );
+        TestCase.assertTrue( comp11.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);
+
+        final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
+        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() );
+        TestCase.assertEquals( 2, comp10.m_singleRefBind );
+        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);
+
+        // make srv1 match again, expect not changes in bindings
+        srv1.setFilterProperty( "match" );
+        TestCase.assertEquals( srv2, comp12.m_singleRef );
+        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 2, comp10.m_singleRefBind );
+        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);
+
+        // make srv2 to not match, expect binding to srv1
+        srv2.setFilterProperty( "don't match" );
+        TestCase.assertEquals( srv1, comp12.m_singleRef );
+        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 3, comp10.m_singleRefBind );
+        TestCase.assertEquals( 2, comp10.m_singleRefUnbind);
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+    }
+
+
+    @Test
+    public void test_required_single_dynamic() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        String name = "test_required_single_dynamic_target";
+        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() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);
+
+        // update a service property
+        srv1.update( "srv1-modified" );
+
+        // no changes in bindings expected
+        TestCase.assertEquals( srv1, comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);
+
+        // set target to not match any more -> deactivate this component
+        srv1.setFilterProperty( "don't match" );
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
+        TestCase.assertNull( SimpleComponent.INSTANCE );
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);
+
+        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() );
+        TestCase.assertEquals( 1, comp12.m_singleRefBind );
+        TestCase.assertEquals( 0, comp12.m_singleRefUnbind);
+
+        // make srv1 match again, expect not changes in bindings
+        srv1.setFilterProperty( "match" );
+        TestCase.assertEquals( srv2, comp12.m_singleRef );
+        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp12.m_singleRefBind );
+        TestCase.assertEquals( 0, comp12.m_singleRefUnbind);
+
+        // make srv2 to not match, expect binding to srv1
+        srv2.setFilterProperty( "don't match" );
+        TestCase.assertEquals( srv1, comp12.m_singleRef );
+        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 2, comp12.m_singleRefBind );
+        TestCase.assertEquals( 1, comp12.m_singleRefUnbind);
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+    }
+
+
+    @Test
+    public void test_optional_multiple_dynamic() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        String name = "test_optional_multiple_dynamic_target";
+        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 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 0, comp10.m_multiRefUnbind);
+
+        // update a service property
+        srv1.update( "srv1-modified" );
+
+        // no changes in bindings expected
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 0, comp10.m_multiRefUnbind);
+
+        // set target to not match any more
+        srv1.setFilterProperty( "don't match" );
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
+        TestCase.assertSame( comp10, comp11 );
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertFalse( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 1, comp10.m_multiRefUnbind);
+
+        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( comp10.m_singleRef );
+        TestCase.assertFalse( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertTrue( comp10.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 2, comp10.m_multiRefBind );
+        TestCase.assertEquals( 1, comp10.m_multiRefUnbind);
+
+        // make srv1 match again, expect not changes in bindings
+        srv1.setFilterProperty( "match" );
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertTrue( comp10.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 3, comp10.m_multiRefBind );
+        TestCase.assertEquals( 1, comp10.m_multiRefUnbind);
+
+        // make srv2 to not match, expect binding to srv1
+        srv2.setFilterProperty( "don't match" );
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertFalse( comp10.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 3, comp10.m_multiRefBind );
+        TestCase.assertEquals( 2, comp10.m_multiRefUnbind);
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+    }
+
+
+    @Test
+    public void test_required_multiple_dynamic() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        String name = "test_required_multiple_dynamic_target";
+        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 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 0, comp10.m_multiRefUnbind);
+
+        // update a service property
+        srv1.update( "srv1-modified" );
+
+        // no changes in bindings expected
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 0, comp10.m_multiRefUnbind);
+
+        // set target to not match any more
+        srv1.setFilterProperty( "don't match" );
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
+        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
+        TestCase.assertNull( comp11 );
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertFalse( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 1, comp10.m_multiRefUnbind);
+
+        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.assertFalse( comp12.m_multiRef.contains( srv1 ) );
+        TestCase.assertTrue( comp12.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 1, comp12.m_multiRefBind );
+        TestCase.assertEquals( 0, comp12.m_multiRefUnbind);
+
+        // make srv1 match again, expect not changes in bindings
+        srv1.setFilterProperty( "match" );
+        TestCase.assertNull( comp12.m_singleRef );
+        TestCase.assertTrue( comp12.m_multiRef.contains( srv1 ) );
+        TestCase.assertTrue( comp12.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 2, comp12.m_multiRefBind );
+        TestCase.assertEquals( 0, comp12.m_multiRefUnbind);
+
+        // make srv2 to not match, expect binding to srv1
+        srv2.setFilterProperty( "don't match" );
+        TestCase.assertNull( comp12.m_singleRef );
+        TestCase.assertTrue( comp12.m_multiRef.contains( srv1 ) );
+        TestCase.assertFalse( comp12.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 2, comp12.m_multiRefBind );
+        TestCase.assertEquals( 1, comp12.m_multiRefUnbind);
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+    }
+
+
+    @Test
+    public void test_optional_single_static() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        String name = "test_optional_single_static_target";
+        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() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);
+
+        // update a service property
+        srv1.update( "srv1-modified" );
+
+        // no changes in bindings expected
+        TestCase.assertEquals( srv1, comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);
+
+        // set target to not match any more -> recreate !
+        srv1.setFilterProperty( "don't match" );
+        delay(); // async reactivation
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp11 );
+        TestCase.assertNull( comp11.m_singleRef );
+        TestCase.assertTrue( comp11.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 0, comp11.m_singleRefBind );
+        TestCase.assertEquals( 0, comp11.m_singleRefUnbind);
+
+        final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
+        delay(); // async binding
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp12 );
+        TestCase.assertSame( comp11, comp12 );
+        TestCase.assertNull( comp12.m_singleRef );
+        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 0, comp12.m_singleRefBind );
+        TestCase.assertEquals( 0, comp12.m_singleRefUnbind);
+
+        // make srv1 match again, expect not changes in bindings
+        srv1.setFilterProperty( "match" );
+        final SimpleComponent comp13 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp13 );
+        TestCase.assertSame( comp11, comp13 );
+        TestCase.assertSame( comp12, comp13 );
+        TestCase.assertNull( comp13.m_singleRef );
+        TestCase.assertTrue( comp13.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 0, comp13.m_singleRefBind );
+        TestCase.assertEquals( 0, comp13.m_singleRefUnbind);
+
+        // make srv2 to not match, expect binding to srv1
+        srv2.setFilterProperty( "don't match" );
+        final SimpleComponent comp14 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp14 );
+        TestCase.assertSame( comp11, comp14 );
+        TestCase.assertSame( comp12, comp14 );
+        TestCase.assertSame( comp13, comp14 );
+        TestCase.assertNull( comp14.m_singleRef );
+        TestCase.assertTrue( comp14.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 0, comp14.m_singleRefBind );
+        TestCase.assertEquals( 0, comp14.m_singleRefUnbind);
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+    }
+
+
+    @Test
+    public void test_required_single_static() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        String name = "test_required_single_static_target";
+        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() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);
+
+        // update a service property
+        srv1.update( "srv1-modified" );
+
+        // no changes in bindings expected
+        TestCase.assertEquals( srv1, comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);
+
+        // set target to not match any more -> deactivate this component
+        srv1.setFilterProperty( "don't match" );
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
+        TestCase.assertNull( SimpleComponent.INSTANCE );
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp10.m_singleRefBind );
+        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);
+
+        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() );
+        TestCase.assertEquals( 1, comp12.m_singleRefBind );
+        TestCase.assertEquals( 0, comp12.m_singleRefUnbind);
+
+        // make srv1 match again, expect not changes in bindings
+        srv1.setFilterProperty( "match" );
+        final SimpleComponent comp13 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp12 );
+        TestCase.assertSame( comp12, comp13 );
+        TestCase.assertEquals( srv2, comp12.m_singleRef );
+        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp12.m_singleRefBind );
+        TestCase.assertEquals( 0, comp12.m_singleRefUnbind);
+
+        // make srv2 to not match, expect binding to srv1
+        srv2.setFilterProperty( "don't match" );
+        delay(); // reactivation required
+        final SimpleComponent comp14 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp14 );
+        TestCase.assertNotSame( comp12, comp14 );
+        TestCase.assertNotSame( comp13, comp14 );
+        TestCase.assertEquals( srv1, comp14.m_singleRef );
+        TestCase.assertTrue( comp14.m_multiRef.isEmpty() );
+        TestCase.assertEquals( 1, comp14.m_singleRefBind );
+        TestCase.assertEquals( 0, comp14.m_singleRefUnbind);
+    
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+    }
+
+
+    @Test
+    public void test_optional_multiple_static() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        String name = "test_optional_multiple_static_target";
+        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 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 0, comp10.m_multiRefUnbind);
+
+        // update a service property
+        srv1.update( "srv1-modified" );
+
+        // no changes in bindings expected
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 0, comp10.m_multiRefUnbind);
+
+        // set target to not match any more
+        srv1.setFilterProperty( "don't match" );
+        delay(); // async reactivation (for unbind)
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp11 );
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertFalse( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 1, comp10.m_multiRefUnbind);
+        TestCase.assertNull( comp11.m_singleRef );
+        TestCase.assertFalse( comp11.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 0, comp11.m_multiRefBind );
+        TestCase.assertEquals( 0, comp11.m_multiRefUnbind);
+
+        final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
+        delay(); // async binding (not expected for an optional static ref)
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp12 );
+        TestCase.assertSame( comp11, comp12 );
+        TestCase.assertNull( comp12.m_singleRef );
+        TestCase.assertFalse( comp12.m_multiRef.contains( srv1 ) );
+        TestCase.assertFalse( comp12.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 0, comp12.m_multiRefBind );
+        TestCase.assertEquals( 0, comp12.m_multiRefUnbind);
+
+        // make srv1 match again, expect not changes in bindings
+        srv1.setFilterProperty( "match" );
+        TestCase.assertNull( comp12.m_singleRef );
+        TestCase.assertFalse( comp12.m_multiRef.contains( srv1 ) );
+        TestCase.assertFalse( comp12.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 0, comp12.m_multiRefBind );
+        TestCase.assertEquals( 0, comp12.m_multiRefUnbind);
+
+        // make srv2 to not match, expect binding to srv1
+        srv2.setFilterProperty( "don't match" );
+        delay(); // allow reactivation delay (for unbind/bind)
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+        final SimpleComponent comp13 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp13 );
+        TestCase.assertSame( comp11, comp13 );
+        TestCase.assertSame( comp12, comp13 );
+        TestCase.assertNull( comp13.m_singleRef );
+        TestCase.assertFalse( comp13.m_multiRef.contains( srv1 ) );
+        TestCase.assertFalse( comp13.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 0, comp13.m_multiRefBind );
+        TestCase.assertEquals( 0, comp13.m_multiRefUnbind);
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+    }
+
+
+    @Test
+    public void test_required_multiple_static() throws Exception
+    {
+        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
+        String name = "test_required_multiple_static_target";
+        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 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 0, comp10.m_multiRefUnbind);
+
+        // update a service property
+        srv1.update( "srv1-modified" );
+
+        // no changes in bindings expected
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 0, comp10.m_multiRefUnbind);
+
+        // set target to not match any more
+        srv1.setFilterProperty( "don't match" );
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.UNSATISFIED_REFERENCE);
+        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
+        TestCase.assertNull( comp11 );
+        TestCase.assertNull( comp10.m_singleRef );
+        TestCase.assertFalse( comp10.m_multiRef.contains( srv1 ) );
+        TestCase.assertEquals( 1, comp10.m_multiRefBind );
+        TestCase.assertEquals( 1, comp10.m_multiRefUnbind);
+
+        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.assertFalse( comp12.m_multiRef.contains( srv1 ) );
+        TestCase.assertTrue( comp12.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 1, comp12.m_multiRefBind );
+        TestCase.assertEquals( 0, comp12.m_multiRefUnbind);
+
+        // make srv1 match again, expect not changes in bindings
+        srv1.setFilterProperty( "match" );
+        TestCase.assertNull( comp12.m_singleRef );
+        TestCase.assertFalse( comp12.m_multiRef.contains( srv1 ) );
+        TestCase.assertTrue( comp12.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 1, comp12.m_multiRefBind );
+        TestCase.assertEquals( 0, comp12.m_multiRefUnbind);
+
+        // make srv2 to not match, expect binding to srv1
+        srv2.setFilterProperty( "don't match" );
+        delay(); // allow reactivation/rebinding
+
+        findComponentConfigurationByName(name, ComponentConfigurationDTO.ACTIVE);
+        final SimpleComponent comp13 = SimpleComponent.INSTANCE;
+        TestCase.assertNotSame( comp10, comp13 );
+        TestCase.assertNotSame( comp11, comp13 );
+        TestCase.assertNotSame( comp12, comp13 );
+        TestCase.assertNull( comp13.m_singleRef );
+        TestCase.assertTrue( comp13.m_multiRef.contains( srv1 ) );
+        TestCase.assertFalse( comp13.m_multiRef.contains( srv2 ) );
+        TestCase.assertEquals( 1, comp13.m_multiRefBind );
+        TestCase.assertEquals( 0, comp13.m_multiRefUnbind);
+        
+        // cleanup
+        disableAndCheck(cc);
+        srv1.drop();
+        srv2.drop();
+   }
+}
\ No newline at end of file