diff options
Diffstat (limited to 'java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java')
| -rw-r--r-- | java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java | 531 |
1 files changed, 0 insertions, 531 deletions
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java deleted file mode 100644 index 58ffb0f9b9..0000000000 --- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java +++ /dev/null @@ -1,531 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.assembly.impl; - -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.logging.Level; -import java.util.logging.Logger; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.Component; -import org.apache.tuscany.sca.assembly.ComponentReference; -import org.apache.tuscany.sca.assembly.ComponentService; -import org.apache.tuscany.sca.assembly.Composite; -import org.apache.tuscany.sca.assembly.Endpoint; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.assembly.Implementation; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.context.CompositeContext; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.core.scope.ScopeContainer; -import org.apache.tuscany.sca.core.scope.ScopeRegistry; -import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.provider.ImplementationProvider; -import org.apache.tuscany.sca.provider.ImplementationProviderFactory; -import org.apache.tuscany.sca.provider.PolicyProvider; -import org.apache.tuscany.sca.provider.PolicyProviderFactory; -import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; -import org.apache.tuscany.sca.provider.ReferenceBindingProvider; -import org.apache.tuscany.sca.provider.ServiceBindingProvider; -import org.apache.tuscany.sca.runtime.ActivationException; -import org.apache.tuscany.sca.runtime.CompositeActivator; -import org.apache.tuscany.sca.runtime.EndpointRegistry; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; -import org.apache.tuscany.sca.runtime.RuntimeEndpoint; -import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; - -/** - * @version $Rev$ $Date$ - */ -public class CompositeActivatorImpl implements CompositeActivator { - final Logger logger = Logger.getLogger(CompositeActivatorImpl.class.getName()); - - private final AssemblyFactory assemblyFactory; - private final ScopeRegistry scopeRegistry; - private final ProviderFactoryExtensionPoint providerFactories; - - public CompositeActivatorImpl(ExtensionPointRegistry extensionPoints) { - UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); - FactoryExtensionPoint factories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); - this.assemblyFactory = factories.getFactory(AssemblyFactory.class); - this.scopeRegistry = utilities.getUtility(ScopeRegistry.class); - this.providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); - } - - //========================================================================= - // Activation - //========================================================================= - - // Composite activation/deactivation - - public void activate(CompositeContext compositeContext, Composite composite) throws ActivationException { - try { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Activating composite: " + composite.getName()); - } - for (Component component : composite.getComponents()) { - activateComponent(compositeContext, component); - } - } catch (Exception e) { - throw new ActivationException(e); - } - } - - public void deactivate(Composite composite) throws ActivationException { - try { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Deactivating composite: " + composite.getName()); - } - for (Component component : composite.getComponents()) { - deactivateComponent(component); - } - } catch (Exception e) { - throw new ActivationException(e); - } - } - - // Component activation/deactivation - - public void activateComponent(CompositeContext compositeContext, Component component) - throws ActivationException { - try { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Activating component: " + component.getURI()); - } - - Implementation implementation = component.getImplementation(); - if (implementation instanceof Composite) { - activate(compositeContext, (Composite) implementation); - } else if (implementation != null) { - addImplementationProvider((RuntimeComponent) component, - implementation); - addScopeContainer(component); - } - - for (ComponentService service : component.getServices()) { - activate(compositeContext, - (RuntimeComponent) component, (RuntimeComponentService) service); - } - - for (ComponentReference reference : component.getReferences()) { - activate(compositeContext, - (RuntimeComponent) component, (RuntimeComponentReference) reference); - } - } catch (Exception e) { - throw new ActivationException(e); - } - } - - public void deactivateComponent(Component component) - throws ActivationException { - try { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Deactivating component: " + component.getURI()); - } - for (ComponentService service : component.getServices()) { - deactivate((RuntimeComponent) component, - (RuntimeComponentService) service); - } - - for (ComponentReference reference : component.getReferences()) { - deactivate((RuntimeComponent) component, - (RuntimeComponentReference) reference); - } - - Implementation implementation = component.getImplementation(); - if (implementation instanceof Composite) { - deactivate((Composite) implementation); - } else if (implementation != null) { - removeImplementationProvider((RuntimeComponent) component); - removeScopeContainer(component); - } - } catch (Exception e) { - throw new ActivationException(e); - } - } - - // add/remove artifacts required to get the implementation going - - private void addImplementationProvider(RuntimeComponent component, Implementation implementation) { - ImplementationProviderFactory providerFactory = - (ImplementationProviderFactory)providerFactories.getProviderFactory(implementation.getClass()); - if (providerFactory != null) { - @SuppressWarnings("unchecked") - ImplementationProvider implementationProvider = - providerFactory.createImplementationProvider(component, implementation); - if (implementationProvider != null) { - component.setImplementationProvider(implementationProvider); - } - } else { - throw new IllegalStateException("Provider factory not found for class: " + implementation.getClass() - .getName()); - } - for (PolicyProviderFactory f : providerFactories.getPolicyProviderFactories()) { - PolicyProvider policyProvider = f.createImplementationPolicyProvider(component); - if (policyProvider != null) { - component.addPolicyProvider(policyProvider); - } - } - - } - - private void removeImplementationProvider(RuntimeComponent component) { - component.setImplementationProvider(null); - component.getPolicyProviders().clear(); - } - - private void addScopeContainer(Component component) { - if (!(component instanceof ScopedRuntimeComponent)) { - return; - } - ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component; - ScopeContainer scopeContainer = scopeRegistry.getScopeContainer(runtimeComponent); - runtimeComponent.setScopeContainer(scopeContainer); - } - - private void removeScopeContainer(Component component) { - if (!(component instanceof ScopedRuntimeComponent)) { - return; - } - ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component; - ScopeContainer scopeContainer = runtimeComponent.getScopeContainer(); - runtimeComponent.setScopeContainer(null); - } - - - // Service activation/deactivation - - public void activate(CompositeContext compositeContext, RuntimeComponent component, RuntimeComponentService service) { - if (service.getService() == null) { - if (logger.isLoggable(Level.WARNING)) { - logger.warning("Skipping component service not defined in the component type: " + component.getURI() - + "#" - + service.getName()); - } - return; - } - - if (logger.isLoggable(Level.FINE)) { - logger.fine("Activating component service: " + component.getURI() + "#" + service.getName()); - } - - // Add a wire for each service Endpoint - for ( Endpoint endpoint : service.getEndpoints()){ - RuntimeEndpoint ep = (RuntimeEndpoint) endpoint; - ep.bind(compositeContext); - - // create the interface contract for the binding and service ends of the wire - // that are created as forward only contracts - // FIXME: [rfeng] We might need a better way to get the impl interface contract - Service targetService = service.getService(); - if (targetService == null) { - targetService = service; - } - // endpoint.setInterfaceContract(targetService.getInterfaceContract().makeUnidirectional(false)); - } - } - - public void deactivate(RuntimeComponent component, RuntimeComponentService service) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Deactivating component service: " + component.getURI() + "#" + service.getName()); - } - for(Endpoint ep: service.getEndpoints()) { - if(ep instanceof RuntimeEndpoint) { - ((RuntimeEndpoint) ep).unbind(); - } - } - } - - // Reference activation/deactivation - - public void activate(CompositeContext compositeContext, RuntimeComponent component, RuntimeComponentReference reference) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Activating component reference: " + component.getURI() + "#" + reference.getName()); - } - - // set the parent component onto the reference. It's used at start time when the - // reference is asked to return it's runtime wires. If there are none the reference - // asks the component context to start the reference which creates the wires - reference.setComponent(component); - for(EndpointReference epr: reference.getEndpointReferences()) { - addReferenceWire(compositeContext, epr); - } - - // TODO reference wires are added at component start for some reason - } - - public void deactivate(RuntimeComponent component, RuntimeComponentReference reference) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Deactivating component reference: " + component.getURI() + "#" + reference.getName()); - } - for(EndpointReference endpointReference: reference.getEndpointReferences()) { - ((RuntimeEndpointReference) endpointReference).unbind(); - } - } - - //========================================================================= - // Start - //========================================================================= - - // Composite start/stop - - public void start(CompositeContext compositeContext, Composite composite) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Starting composite: " + composite.getName()); - } - for (Component component : composite.getComponents()) { - start(compositeContext, component); - } - } - - public void stop(CompositeContext compositeContext, Composite composite) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Stopping composite: " + composite.getName()); - } - for (final Component component : composite.getComponents()) { - stop(compositeContext, component); - } - } - - // Component start/stop - - public void start(CompositeContext compositeContext, Component component) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Starting component: " + component.getURI()); - } - RuntimeComponent runtimeComponent = ((RuntimeComponent)component); - if(runtimeComponent.isStarted()) { - return; - } - - compositeContext.bindComponent(runtimeComponent); - Implementation implementation = component.getImplementation(); - - if (implementation instanceof Composite) { - start(compositeContext, (Composite)implementation); - } else { - for (PolicyProvider policyProvider : runtimeComponent.getPolicyProviders()) { - policyProvider.start(); - } - ImplementationProvider implementationProvider = runtimeComponent.getImplementationProvider(); - if (implementationProvider != null) { - implementationProvider.start(); - } - } - - if (component instanceof ScopedRuntimeComponent) { - ScopedRuntimeComponent scopedRuntimeComponent = (ScopedRuntimeComponent)component; - if (scopedRuntimeComponent.getScopeContainer() != null) { - scopedRuntimeComponent.getScopeContainer().start(); - } - } - // Reference bindings aren't started until the wire is first used - - for (ComponentService service : component.getServices()) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Starting component service: " + component.getURI() + "#" + service.getName()); - } - for (Endpoint endpoint : service.getEndpoints()) { - RuntimeEndpoint ep = (RuntimeEndpoint) endpoint; - // FIXME: Should the policy providers be started before the endpoint is started? - for (PolicyProvider policyProvider : ep.getPolicyProviders()) { - policyProvider.start(); - } - - final ServiceBindingProvider bindingProvider = ep.getBindingProvider(); - if (bindingProvider != null) { - // bindingProvider.start(); - // Allow bindings to add shutdown hooks. Requires RuntimePermission shutdownHooks in policy. - AccessController.doPrivileged(new PrivilegedAction<Object>() { - public Object run() { - bindingProvider.start(); - return null; - } - }); - compositeContext.getEndpointRegistry().addEndpoint(endpoint); - } - } - } - - runtimeComponent.setStarted(true); - } - - public void stop(CompositeContext compositeContext, Component component) { - if (!((RuntimeComponent)component).isStarted()) { - return; - } - if (logger.isLoggable(Level.FINE)) { - logger.fine("Stopping component: " + component.getURI()); - } - for (ComponentService service : component.getServices()) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Stopping component service: " + component.getURI() + "#" + service.getName()); - } - for (Endpoint endpoint : service.getEndpoints()) { - RuntimeEndpoint ep = (RuntimeEndpoint) endpoint; - compositeContext.getEndpointRegistry().removeEndpoint(endpoint); - final ServiceBindingProvider bindingProvider = ep.getBindingProvider(); - if (bindingProvider != null) { - // Allow bindings to read properties. Requires PropertyPermission read in security policy. - AccessController.doPrivileged(new PrivilegedAction<Object>() { - public Object run() { - bindingProvider.stop(); - return null; - } - }); - } - for (PolicyProvider policyProvider : ep.getPolicyProviders()) { - policyProvider.stop(); - } - } - } - for (ComponentReference reference : component.getReferences()) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Stopping component reference: " + component.getURI() + "#" + reference.getName()); - } - - for (EndpointReference endpointReference : reference.getEndpointReferences()) { - RuntimeEndpointReference epr = (RuntimeEndpointReference) endpointReference; - compositeContext.getEndpointRegistry().removeEndpointReference(endpointReference); - final ReferenceBindingProvider bindingProvider = epr.getBindingProvider(); - if (bindingProvider != null) { - // Allow bindings to read properties. Requires PropertyPermission read in security policy. - AccessController.doPrivileged(new PrivilegedAction<Object>() { - public Object run() { - bindingProvider.stop(); - return null; - } - }); - } - for (PolicyProvider policyProvider : epr.getPolicyProviders()) { - policyProvider.stop(); - } - - } - } - Implementation implementation = component.getImplementation(); - if (implementation instanceof Composite) { - stop(compositeContext, (Composite)implementation); - } else { - final ImplementationProvider implementationProvider = ((RuntimeComponent)component).getImplementationProvider(); - if (implementationProvider != null) { - // Allow bindings to read properties. Requires PropertyPermission read in security policy. - AccessController.doPrivileged(new PrivilegedAction<Object>() { - public Object run() { - implementationProvider.stop(); - return null; - } - }); - } - for (PolicyProvider policyProvider : ((RuntimeComponent)component).getPolicyProviders()) { - policyProvider.stop(); - } - } - - if (component instanceof ScopedRuntimeComponent) { - ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component; - if (runtimeComponent.getScopeContainer() != null && - runtimeComponent.getScopeContainer().getLifecycleState() != ScopeContainer.STOPPED) { - runtimeComponent.getScopeContainer().stop(); - } - } - - ((RuntimeComponent)component).setStarted(false); - } - - // Service start/stop - - // done as part of the component start above - - // Reference start/stop - // Used by component context start - - public void start(CompositeContext compositeContext, RuntimeComponent component, RuntimeComponentReference componentReference) { - synchronized (componentReference) { - - if (!(componentReference instanceof RuntimeComponentReference)) { - return; - } - - // create a wire for each endpoint reference. An endpoint reference says either that - // - a target has been specified and hence the reference has been wired in some way. - // - an unwired binding ha been specified - // and endpoint reference representing a wired reference may not at this point - // be resolved (the service to which it points may not be present in the - // current composite). Endpoint reference resolution takes place when the wire - // is first used (when the chains are created) - for (EndpointReference endpointReference : componentReference.getEndpointReferences()){ - // addReferenceWire(compositeContext, endpointReference); - compositeContext.getEndpointRegistry().addEndpointReference(endpointReference); - } - - } - } - - public void stop(Component component, ComponentReference reference) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Stopping component reference: " + component.getURI() + "#" + reference.getName()); - } - RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)reference); - RuntimeComponent runtimeComponent = (RuntimeComponent) component; - EndpointRegistry endpointRegistry = runtimeComponent.getComponentContext().getCompositeContext().getEndpointRegistry(); - for ( EndpointReference endpointReference : runtimeRef.getEndpointReferences()){ - RuntimeEndpointReference epr = (RuntimeEndpointReference) endpointReference; - endpointRegistry.removeEndpointReference(endpointReference); - ReferenceBindingProvider bindingProvider = epr.getBindingProvider(); - if (bindingProvider != null) { - bindingProvider.stop(); - } - for (PolicyProvider policyProvider : epr.getPolicyProviders()) { - policyProvider.stop(); - } - } - } - - private void addReferenceWire(CompositeContext compositeContext, EndpointReference endpointReference) { - RuntimeEndpointReference epr = (RuntimeEndpointReference) endpointReference; - // create the wire - // null endpoint passed in here as the endpoint reference may - // not be resolved yet - epr.bind(compositeContext); - - ComponentReference reference = endpointReference.getReference(); - InterfaceContract sourceContract = epr.getComponentTypeReferenceInterfaceContract(); - - // TODO - EPR - interface contract seems to be null in the implementation.web - // case. Not introspecting the CT properly? - if (sourceContract == null){ - // TODO - Can't do this with move of matching to wire - // take the contract from the service to which the reference is connected - sourceContract = ((RuntimeEndpoint) endpointReference.getTargetEndpoint()).getComponentTypeServiceInterfaceContract(); - reference.setInterfaceContract(sourceContract); - } - - // endpointReference.setInterfaceContract(sourceContract.makeUnidirectional(false)); - } - - -} |