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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.core.assembly;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Binding;
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.CompositeService;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.Implementation;
import org.apache.tuscany.sca.assembly.OptimizableBinding;
import org.apache.tuscany.sca.assembly.Reference;
import org.apache.tuscany.sca.assembly.SCABindingFactory;
import org.apache.tuscany.sca.assembly.Service;
import org.apache.tuscany.sca.context.RequestContextFactory;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.core.context.ComponentContextHelper;
import org.apache.tuscany.sca.core.context.ComponentContextImpl;
import org.apache.tuscany.sca.core.conversation.ConversationManager;
import org.apache.tuscany.sca.core.invocation.ProxyFactory;
import org.apache.tuscany.sca.core.scope.ConversationalScopeContainer;
import org.apache.tuscany.sca.core.scope.Scope;
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.endpointresolver.EndpointResolver;
import org.apache.tuscany.sca.endpointresolver.EndpointResolverFactory;
import org.apache.tuscany.sca.endpointresolver.EndpointResolverFactoryExtensionPoint;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
import org.apache.tuscany.sca.invocation.MessageFactory;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.Problem;
import org.apache.tuscany.sca.monitor.Problem.Severity;
import org.apache.tuscany.sca.monitor.impl.ProblemImpl;
import org.apache.tuscany.sca.provider.BindingProviderFactory;
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.EndpointReference;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
import org.apache.tuscany.sca.runtime.RuntimeWire;
import org.apache.tuscany.sca.runtime.RuntimeWireProcessor;
import org.apache.tuscany.sca.work.WorkScheduler;
/**
* @version $Rev$ $Date$
*/
public class CompositeActivatorImpl implements CompositeActivator {
private static final Logger logger = Logger.getLogger(CompositeActivatorImpl.class.getName());
private final AssemblyFactory assemblyFactory;
private final MessageFactory messageFactory;
private final InterfaceContractMapper interfaceContractMapper;
private final ScopeRegistry scopeRegistry;
private final WorkScheduler workScheduler;
private final RuntimeWireProcessor wireProcessor;
private final ProviderFactoryExtensionPoint providerFactories;
private final EndpointResolverFactoryExtensionPoint endpointResolverFactories;
private final RequestContextFactory requestContextFactory;
private final ProxyFactory proxyFactory;
private final JavaInterfaceFactory javaInterfaceFactory;
private final ConversationManager conversationManager;
private Monitor monitor;
private final ComponentContextHelper componentContextHelper;
private Composite domainComposite;
/**
* @param assemblyFactory
* @param interfaceContractMapper
* @param workScheduler
* @param conversationManager TODO
* @param monitor
* @param workContext
* @param wirePostProcessorRegistry
*/
public CompositeActivatorImpl(AssemblyFactory assemblyFactory,
MessageFactory messageFactory,
JavaInterfaceFactory javaInterfaceFactory,
SCABindingFactory scaBindingFactory,
InterfaceContractMapper interfaceContractMapper,
ScopeRegistry scopeRegistry,
WorkScheduler workScheduler,
RuntimeWireProcessor wireProcessor,
RequestContextFactory requestContextFactory,
ProxyFactory proxyFactory,
ProviderFactoryExtensionPoint providerFactories,
EndpointResolverFactoryExtensionPoint endpointResolverFactories,
StAXArtifactProcessorExtensionPoint processors,
ConversationManager conversationManager, Monitor monitor) {
this.assemblyFactory = assemblyFactory;
this.messageFactory = messageFactory;
this.interfaceContractMapper = interfaceContractMapper;
this.scopeRegistry = scopeRegistry;
this.workScheduler = workScheduler;
this.wireProcessor = wireProcessor;
this.providerFactories = providerFactories;
this.endpointResolverFactories = endpointResolverFactories;
this.javaInterfaceFactory = javaInterfaceFactory;
this.requestContextFactory = requestContextFactory;
this.proxyFactory = proxyFactory;
this.conversationManager = conversationManager;
this.monitor = monitor;
this.componentContextHelper = new ComponentContextHelper(assemblyFactory, javaInterfaceFactory, processors);
}
/**
* @see org.apache.tuscany.sca.core.assembly.CompositeActivator#activate(org.apache.tuscany.sca.runtime.RuntimeComponent, org.apache.tuscany.sca.runtime.RuntimeComponentReference)
*/
public void activate(RuntimeComponent component, RuntimeComponentReference ref) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Activating component reference: " + component.getURI() + "#" + ref.getName());
}
resolveTargets(ref);
for (Binding binding : ref.getBindings()) {
addReferenceBindingProvider(component, ref, binding);
}
for (Endpoint endpoint : ref.getEndpoints()){
// TODO - source component should be set in the builder but the
// way the builder is written it's difficult to get at it
endpoint.setSourceComponent(component);
addEndpointResolver(component, ref, endpoint);
}
}
public void start(RuntimeComponent component, RuntimeComponentReference ref) {
synchronized (ref) {
resolveTargets(ref);
for (Binding binding : ref.getBindings()) {
ReferenceBindingProvider provider = ref.getBindingProvider(binding);
if (provider == null) {
provider = addReferenceBindingProvider(component, ref, binding);
}
if (provider != null) {
provider.start();
}
addReferenceWire(component, ref, binding);
}
// targets now have an endpoint representation. We can use this to
// look for unresolved endpoints using dummy wires for late resolution
for (Endpoint endpoint : ref.getEndpoints()){
addReferenceEndpointWire(component, ref, endpoint);
}
}
}
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);
for (Binding binding : reference.getBindings()) {
ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(binding);
if (bindingProvider != null) {
bindingProvider.stop();
}
}
}
public void deactivate(RuntimeComponent component, RuntimeComponentReference ref) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Deactivating component reference: " + component.getURI() + "#" + ref.getName());
}
removeReferenceWires(ref);
for (Binding binding : ref.getBindings()) {
removeReferenceBindingProvider(component, ref, binding);
}
}
/**
* @param component
* @param reference
* @param binding
*/
private EndpointResolver addEndpointResolver(RuntimeComponent component,
RuntimeComponentReference reference,
Endpoint endpoint){
// only create endpoint resolvers for unresolved endpoints currently
// this will also prevent a wire from being created later
if (!endpoint.isUnresolved()){
return null;
}
// This souldn't happen as the endpoint resolver extension point is in core-spi but
// just in case returning null here will mean that no wire is created and calling
// the reference will fail with NPE
if (endpointResolverFactories == null){
return null;
}
EndpointResolverFactory<Endpoint> resolverFactory =
(EndpointResolverFactory<Endpoint>)endpointResolverFactories.getEndpointResolverFactory(endpoint.getClass());
if (resolverFactory != null) {
@SuppressWarnings("unchecked")
EndpointResolver endpointResolver =
resolverFactory.createEndpointResolver(endpoint, null);
if (endpointResolver != null) {
((RuntimeComponentReference)reference).setEndpointResolver(endpoint, endpointResolver);
}
return endpointResolver;
} else {
// TODO - for the time being allow the lack of an endpoint provider to be the
// switch to turn off endpoint processing
return null;
//throw new IllegalStateException("Endpoint provider factory not found for class: " + endpoint.getClass().getName());
}
}
public void addReferenceBindingProviderForEndpoint(Endpoint endpoint){
addReferenceBindingProvider((RuntimeComponent)endpoint.getSourceComponent(),
(RuntimeComponentReference)endpoint.getSourceComponentReference(),
endpoint.getSourceBinding());
}
/**
* @param component
* @param reference
* @param binding
*/
private ReferenceBindingProvider addReferenceBindingProvider(RuntimeComponent component,
RuntimeComponentReference reference,
Binding binding) {
BindingProviderFactory providerFactory =
(BindingProviderFactory)providerFactories.getProviderFactory(binding.getClass());
if (providerFactory != null) {
@SuppressWarnings("unchecked")
ReferenceBindingProvider bindingProvider =
providerFactory.createReferenceBindingProvider((RuntimeComponent)component,
(RuntimeComponentReference)reference,
binding);
if (bindingProvider != null) {
((RuntimeComponentReference)reference).setBindingProvider(binding, bindingProvider);
}
for (PolicyProviderFactory f : providerFactories.getPolicyProviderFactories()) {
PolicyProvider policyProvider = f.createReferencePolicyProvider(component, reference, binding);
if (policyProvider != null) {
reference.addPolicyProvider(binding, policyProvider);
}
}
return bindingProvider;
} else {
throw new IllegalStateException("Provider factory not found for class: " + binding.getClass().getName());
}
}
/**
* @param reference
*/
private void resolveTargets(RuntimeComponentReference reference) {
// The code that used to be here to resolved unresolved targets is now
// at the bottom of BaseWireBuilder.connectComponentReferences()
}
/**
* Create the runtime wires for a reference endpoint. Currently this method
* only deals with the late binding case and creates a dummy wire that
* will use the Endpoint to resolve the target at the point when the
* wire chains are created.
*
* @param component
* @param reference
* @param binding
*/
private void addReferenceEndpointWire(Component component, ComponentReference reference, Endpoint endpoint) {
// only deal with unresolved endpoints as, to prevent breaking changes, targets that are resolved
// at build time are still represented as bindings in the binding list
if (((RuntimeComponentReference)reference).getEndpointResolver(endpoint) == null){
// no endpoint provider has previously been created so don't create the
// wire
return;
}
// TODO: TUSCANY-2580: avoid NPE if the InterfaceCOntract is null
Reference ctref = endpoint.getSourceComponentReference().getReference();
if (ctref != null && ctref.getInterfaceContract() == null) {
ctref.setInterfaceContract(reference.getInterfaceContract());
}
RuntimeWire wire = new EndpointWireImpl(endpoint, this);
RuntimeComponentReference runtimeRef = (RuntimeComponentReference)reference;
runtimeRef.getRuntimeWires().add(wire);
}
/**
* Create the runtime wires for a reference binding
*
* @param component
* @param reference
* @param binding
*/
private void addReferenceWire(Component component, ComponentReference reference, Binding binding) {
if (!(reference instanceof RuntimeComponentReference)) {
return;
}
// create wire if binding has an endpoint
Component targetComponent = null;
ComponentService targetComponentService = null;
Binding targetBinding = null;
if (binding instanceof OptimizableBinding) {
OptimizableBinding endpoint = (OptimizableBinding)binding;
targetComponent = endpoint.getTargetComponent();
targetComponentService = endpoint.getTargetComponentService();
targetBinding = endpoint.getTargetBinding();
// FIXME: TUSCANY-2136, For unresolved binding, don't add wire. Is it the right solution?
if (!reference.isCallback() && binding.getURI() == null && targetComponentService == null) {
return;
}
}
// create a forward wire, either static or dynamic
addReferenceWire(component, reference, binding, targetComponent, targetComponentService, targetBinding);
/*
// if static forward wire (not from self-reference), try to create a static callback wire
if (targetComponentService != null && !reference.getName().startsWith("$self$.")) {
ComponentReference callbackReference = targetComponentService.getCallbackReference();
if (callbackReference != null) {
Binding callbackBinding = null;
Binding callbackServiceBinding = null;
// select a service callback binding that can be wired back to this component
for (Binding refBinding : callbackReference.getBindings()) {
// first look for a callback binding whose name matches the target binding name
if (refBinding.getName().equals(targetBinding.getName())) {
callbackBinding = refBinding;
break;
}
}
// see if there is a matching reference callback binding
if (callbackBinding != null) {
callbackServiceBinding = reference.getCallbackService().getBinding(callbackBinding.getClass());
}
// if there isn't an end-to-end match, try again based on target binding type
if (callbackBinding == null || callbackServiceBinding == null) {
callbackBinding = callbackReference.getBinding(targetBinding.getClass());
if (callbackBinding != null) {
callbackServiceBinding = reference.getCallbackService().getBinding(callbackBinding.getClass());
}
}
if (callbackBinding != null && callbackServiceBinding != null) {
// end-to-end match, so create a static callback wire as well as the static forward wire
addReferenceWire(targetComponent, callbackReference, callbackBinding, component, reference
.getCallbackService(), callbackServiceBinding);
} else {
// no end-to-end match, so do not create a static callback wire
}
}
}
*/
}
public void addReferenceWireForEndpoint(Endpoint endpoint){
addReferenceWire(endpoint.getSourceComponent(),
endpoint.getSourceComponentReference(),
endpoint.getSourceBinding(),
endpoint.getTargetComponent(),
endpoint.getTargetComponentService(),
endpoint.getTargetBinding());
}
/**
* Create a reference wire for a forward call or a callback
* @param reference
* @param service
* @param serviceBinding
* @param component
* @param referenceBinding
*/
private RuntimeWire addReferenceWire(Component refComponent,
ComponentReference reference,
Binding refBinding,
Component serviceComponent,
ComponentService service,
Binding serviceBinding) {
RuntimeComponentReference runtimeRef = (RuntimeComponentReference)reference;
InterfaceContract bindingContract = getInterfaceContract(reference, refBinding);
// Use the interface contract of the reference on the component type
Reference componentTypeRef = reference.getReference();
InterfaceContract sourceContract;
if (componentTypeRef == null || componentTypeRef.getInterfaceContract() == null) {
sourceContract = reference.getInterfaceContract();
} else {
sourceContract = componentTypeRef.getInterfaceContract();
}
sourceContract = sourceContract.makeUnidirectional(false);
EndpointReference wireSource =
new EndpointReferenceImpl((RuntimeComponent)refComponent, reference, refBinding, sourceContract);
ComponentService callbackService = reference.getCallbackService();
if (callbackService != null) {
// select a reference callback binding to pass with invocations on this wire
Binding callbackBinding = null;
for (Binding binding : callbackService.getBindings()) {
// first look for a callback binding whose name matches the reference binding name
if (refBinding.getName().startsWith(binding.getName())) {
callbackBinding = binding;
break;
}
}
// if no callback binding found, try again based on reference binding type
if (callbackBinding == null) {
callbackBinding = callbackService.getBinding(refBinding.getClass());
}
InterfaceContract callbackContract = callbackService.getInterfaceContract();
EndpointReference callbackEndpoint =
new EndpointReferenceImpl((RuntimeComponent)refComponent, callbackService, callbackBinding,
callbackContract);
wireSource.setCallbackEndpoint(callbackEndpoint);
}
EndpointReference wireTarget =
new EndpointReferenceImpl((RuntimeComponent)serviceComponent, service, serviceBinding, bindingContract);
// TUSCANY-2029 - We should use the URI of the serviceBinding because the target may be a Component in a
// nested composite.
if (serviceBinding != null) {
wireTarget.setURI(serviceBinding.getURI());
}
RuntimeWire wire =
new RuntimeWireImpl(wireSource, wireTarget, interfaceContractMapper, workScheduler, wireProcessor,
messageFactory, conversationManager);
runtimeRef.getRuntimeWires().add(wire);
return wire;
}
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, implementation);
if (policyProvider != null) {
component.addPolicyProvider(policyProvider);
}
}
}
private void removeImplementationProvider(RuntimeComponent component) {
component.setImplementationProvider(null);
component.getPolicyProviders().clear();
}
/**
* @param component
* @param service
* @param binding
*/
private ServiceBindingProvider addServiceBindingProvider(RuntimeComponent component,
RuntimeComponentService service,
Binding binding) {
BindingProviderFactory providerFactory =
(BindingProviderFactory)providerFactories.getProviderFactory(binding.getClass());
if (providerFactory != null) {
@SuppressWarnings("unchecked")
ServiceBindingProvider bindingProvider =
providerFactory.createServiceBindingProvider((RuntimeComponent)component,
(RuntimeComponentService)service,
binding);
if (bindingProvider != null) {
((RuntimeComponentService)service).setBindingProvider(binding, bindingProvider);
}
for (PolicyProviderFactory f : providerFactories.getPolicyProviderFactories()) {
PolicyProvider policyProvider = f.createServicePolicyProvider(component, service, binding);
if (policyProvider != null) {
service.addPolicyProvider(binding, policyProvider);
}
}
return bindingProvider;
} else {
throw new IllegalStateException("Provider factory not found for class: " + binding.getClass().getName());
}
}
private void removeServiceBindingProvider(RuntimeComponent component,
RuntimeComponentService service,
Binding binding) {
service.setBindingProvider(binding, null);
for (Binding b : service.getBindings()) {
List<PolicyProvider> pps = service.getPolicyProviders(b);
if (pps != null) {
pps.clear();
}
}
}
private void removeReferenceBindingProvider(RuntimeComponent component,
RuntimeComponentReference reference,
Binding binding) {
reference.setBindingProvider(binding, null);
for (Binding b : reference.getBindings()) {
List<PolicyProvider> pps = reference.getPolicyProviders(b);
if (pps != null) {
pps.clear();
}
}
}
public void start(Composite composite) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Starting composite: " + composite.getName());
}
for (Component component : composite.getComponents()) {
start(component);
}
}
public void stop(Composite composite) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Stopping composite: " + composite.getName());
}
for (final Component component : composite.getComponents()) {
stop(component);
}
}
public void start(Component component) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Starting component: " + component.getURI());
}
RuntimeComponent runtimeComponent = ((RuntimeComponent)component);
if (runtimeComponent.isStarted()) {
return;
}
configureComponentContext(runtimeComponent);
// TUSCANY-3466: We need to track all the providers that are started for the component
final List<Object> providers = new ArrayList<Object>();
try {
for (ComponentReference reference : component.getReferences()) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Starting component reference: " + component.getURI() + "#" + reference.getName());
}
RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)reference);
runtimeRef.setComponent(runtimeComponent);
for (Endpoint endpoint : reference.getEndpoints()) {
final EndpointResolver endpointResolver = runtimeRef.getEndpointResolver(endpoint);
if (endpointResolver != null) {
// Allow endpoint resolvers to do any startup reference manipulation
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
endpointResolver.start();
providers.add(endpointResolver);
return null;
}
});
}
}
for (Binding binding : reference.getBindings()) {
final ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(binding);
if (bindingProvider != null) {
// Allow bindings to add shutdown hooks. Requires RuntimePermission shutdownHooks in policy.
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
bindingProvider.start();
providers.add(bindingProvider);
return null;
}
});
}
}
}
for (ComponentService service : component.getServices()) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Starting component service: " + component.getURI() + "#" + service.getName());
}
RuntimeComponentService runtimeService = (RuntimeComponentService)service;
for (Binding binding : service.getBindings()) {
final ServiceBindingProvider bindingProvider = runtimeService.getBindingProvider(binding);
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();
providers.add(bindingProvider);
return null;
}
});
}
}
}
Implementation implementation = component.getImplementation();
if (implementation instanceof Composite) {
try {
start((Composite)implementation);
} catch (Throwable e) {
// Stop the started components within the composite
try {
stop((Composite)implementation);
} catch (Throwable e1) {
error("StopException", implementation, e1);
}
rethrow(e);
}
} else {
ImplementationProvider implementationProvider = runtimeComponent.getImplementationProvider();
if (implementationProvider != null) {
implementationProvider.start();
providers.add(implementationProvider);
}
}
if (component instanceof ScopedRuntimeComponent) {
ScopedRuntimeComponent scopedRuntimeComponent = (ScopedRuntimeComponent)component;
ScopeContainer<?> scopeContainer = scopedRuntimeComponent.getScopeContainer();
if (scopeContainer != null) {
scopeContainer.start();
providers.add(scopeContainer);
}
}
} catch (Throwable e) {
// Stop all the providers that are already started so far
stopProviders(providers);
rethrow(e);
} finally {
providers.clear();
}
runtimeComponent.setStarted(true);
}
private void rethrow(Throwable e) throws Error {
if (e instanceof RuntimeException) {
throw (RuntimeException)e;
} else if (e instanceof Error) {
throw (Error)e;
}
}
private void stopProviders(final List<Object> providers) {
for (int i = providers.size() - 1; i >= 0; i--) {
Object provider = providers.get(i);
try {
if (provider instanceof ImplementationProvider) {
((ImplementationProvider)provider).stop();
} else if (provider instanceof ReferenceBindingProvider) {
((ReferenceBindingProvider)provider).stop();
} else if (provider instanceof ServiceBindingProvider) {
((ServiceBindingProvider)provider).stop();
} else if (provider instanceof EndpointResolver) {
((EndpointResolver)provider).stop();
} else if (provider instanceof ScopeContainer) {
((ScopeContainer)provider).stop();
}
} catch (Throwable e) {
error("StopException", provider, e);
}
}
}
/**
* @param runtimeComponent
*/
public void configureComponentContext(RuntimeComponent runtimeComponent) {
RuntimeComponentContext componentContext =
new ComponentContextImpl(this, assemblyFactory, proxyFactory, interfaceContractMapper,
requestContextFactory, javaInterfaceFactory, runtimeComponent);
runtimeComponent.setComponentContext(componentContext);
}
/**
* Stop a component
*/
public void stop(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 (Binding binding : service.getBindings()) {
final ServiceBindingProvider bindingProvider = ((RuntimeComponentService)service).getBindingProvider(binding);
if (bindingProvider != null) {
try {
// Allow bindings to read properties. Requires PropertyPermission read in security policy.
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
bindingProvider.stop();
return null;
}
});
} catch (Throwable ex){
error("StopException", bindingProvider, ex);
}
}
}
}
for (ComponentReference reference : component.getReferences()) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Starting component reference: " + component.getURI() + "#" + reference.getName());
}
RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)reference);
for (Binding binding : reference.getBindings()) {
final ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(binding);
if (bindingProvider != null) {
try {
// Allow bindings to read properties. Requires PropertyPermission read in security policy.
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
bindingProvider.stop();
return null;
}
});
} catch (Throwable ex){
error("StopException", bindingProvider, ex);
}
}
}
for (Endpoint endpoint : reference.getEndpoints()) {
final EndpointResolver endpointResolver = runtimeRef.getEndpointResolver(endpoint);
if (endpointResolver != null) {
try {
// Allow endpoint resolvers to do any shutdown reference manipulation
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
endpointResolver.stop();
return null;
}
});
} catch (Throwable ex){
error("StopException", endpointResolver, ex);
}
}
}
}
Implementation implementation = component.getImplementation();
if (implementation instanceof Composite) {
stop((Composite)implementation);
} else {
final ImplementationProvider implementationProvider = ((RuntimeComponent)component).getImplementationProvider();
if (implementationProvider != null) {
try {
// Allow bindings to read properties. Requires PropertyPermission read in security policy.
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
implementationProvider.stop();
return null;
}
});
} catch (Throwable ex){
error("StopException", implementationProvider, ex);
}
}
}
if (component instanceof ScopedRuntimeComponent) {
ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component;
if (runtimeComponent.getScopeContainer() != null &&
runtimeComponent.getScopeContainer().getLifecycleState() != ScopeContainer.STOPPED) {
try {
runtimeComponent.getScopeContainer().stop();
} catch (Throwable ex){
error("StopException", runtimeComponent, ex);
}
}
}
((RuntimeComponent)component).setStarted(false);
}
/**
* Get the effective interface contract for a reference binding
*
* @param reference
* @param binding
* @return
*/
private InterfaceContract getInterfaceContract(ComponentReference reference, Binding binding) {
InterfaceContract interfaceContract = reference.getInterfaceContract();
ReferenceBindingProvider provider = ((RuntimeComponentReference)reference).getBindingProvider(binding);
if (provider != null) {
InterfaceContract bindingContract = provider.getBindingInterfaceContract();
if (bindingContract != null) {
interfaceContract = bindingContract;
}
}
return interfaceContract.makeUnidirectional(false);
}
/**
* Remove the runtime wires for a reference binding
* @param reference
*/
private void removeReferenceWires(ComponentReference reference) {
if (!(reference instanceof RuntimeComponentReference)) {
return;
}
// [rfeng] Comment out the following statements to avoid the on-demand activation
// RuntimeComponentReference runtimeRef = (RuntimeComponentReference)reference;
// runtimeRef.getRuntimeWires().clear();
}
/**
* Get the effective interface contract for the service binding
*
* @param service
* @param binding
* @return
*/
private InterfaceContract getInterfaceContract(ComponentService service, Binding binding) {
InterfaceContract interfaceContract = service.getInterfaceContract();
ServiceBindingProvider provider = ((RuntimeComponentService)service).getBindingProvider(binding);
if (provider != null) {
InterfaceContract bindingContract = provider.getBindingInterfaceContract();
if (bindingContract != null) {
interfaceContract = bindingContract;
}
}
return interfaceContract.makeUnidirectional(false);
}
/**
* Remove runtime wires for a service binding
*
* @param component
* @param service
*/
private void removeServiceWires(ComponentService service) {
if (!(service instanceof RuntimeComponentService)) {
return;
}
RuntimeComponentService runtimeService = (RuntimeComponentService)service;
runtimeService.getRuntimeWires().clear();
}
/**
* Create a service wire for a forward call or a callback
* @param service
* @param serviceBinding
* @param reference
* @param component
* @param referenceBinding
*/
private RuntimeWire addServiceWire(Component serviceComponent, ComponentService service, Binding serviceBinding) {
if (!(service instanceof RuntimeComponentService)) {
return null;
}
RuntimeComponentService runtimeService = (RuntimeComponentService)service;
// FIXME: [rfeng] We might need a better way to get the impl interface contract
Service targetService = service.getService();
if (targetService == null) {
targetService = service;
}
InterfaceContract targetContract = targetService.getInterfaceContract().makeUnidirectional(false);
InterfaceContract sourceContract = getInterfaceContract(service, serviceBinding);
EndpointReference wireSource = new EndpointReferenceImpl(null, null, serviceBinding, sourceContract);
EndpointReference wireTarget =
new EndpointReferenceImpl((RuntimeComponent)serviceComponent, (RuntimeComponentService)service,
serviceBinding, targetContract);
RuntimeWire wire =
new RuntimeWireImpl(wireSource, wireTarget, interfaceContractMapper, workScheduler, wireProcessor,
messageFactory, conversationManager);
runtimeService.getRuntimeWires().add(wire);
return wire;
}
public void activate(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 (service.getService() instanceof CompositeService) {
return;
}
if (logger.isLoggable(Level.FINE)) {
logger.fine("Activating component service: " + component.getURI() + "#" + service.getName());
}
for (Binding binding : service.getBindings()) {
addServiceBindingProvider(component, service, binding);
addServiceWire(component, service, binding);
}
}
public void deactivate(RuntimeComponent component, RuntimeComponentService service) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Deactivating component service: " + component.getURI() + "#" + service.getName());
}
removeServiceWires(service);
for (Binding binding : service.getBindings()) {
removeServiceBindingProvider(component, service, binding);
}
}
private void addScopeContainer(Component component) {
if (!(component instanceof ScopedRuntimeComponent)) {
return;
}
ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component;
ScopeContainer scopeContainer = scopeRegistry.getScopeContainer(runtimeComponent);
if (scopeContainer != null && scopeContainer.getScope() == Scope.CONVERSATION) {
conversationManager.addListener((ConversationalScopeContainer)scopeContainer);
}
runtimeComponent.setScopeContainer(scopeContainer);
}
private void removeScopeContainer(Component component) {
if (!(component instanceof ScopedRuntimeComponent)) {
return;
}
ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component;
ScopeContainer scopeContainer = runtimeComponent.getScopeContainer();
if(scopeContainer != null && scopeContainer.getScope() == Scope.CONVERSATION) {
conversationManager.removeListener((ConversationalScopeContainer) scopeContainer);
}
runtimeComponent.setScopeContainer(null);
}
public void activateComponent(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((Composite) implementation);
} else if (implementation != null) {
addImplementationProvider((RuntimeComponent) component,
implementation);
addScopeContainer(component);
}
for (ComponentService service : component.getServices()) {
activate((RuntimeComponent) component,
(RuntimeComponentService) service);
}
for (ComponentReference reference : component.getReferences()) {
activate((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);
}
}
public void activate(Composite composite) throws ActivationException {
try {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Activating composite: " + composite.getName());
}
for (Component component : composite.getComponents()) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Activating component: " + component.getURI());
}
Implementation implementation = component.getImplementation();
if (implementation instanceof Composite) {
activate((Composite)implementation);
} else if (implementation != null) {
addImplementationProvider((RuntimeComponent)component, implementation);
addScopeContainer(component);
}
for (ComponentService service : component.getServices()) {
activate((RuntimeComponent)component, (RuntimeComponentService)service);
}
for (ComponentReference reference : component.getReferences()) {
activate((RuntimeComponent)component, (RuntimeComponentReference)reference);
}
}
} 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()) {
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);
}
}
/**
* @return the referenceHelper
*/
public ComponentContextHelper getComponentContextHelper() {
return componentContextHelper;
}
/**
* @return the proxyFactory
*/
public ProxyFactory getProxyFactory() {
return proxyFactory;
}
/**
* @return the domainComposite
*/
public Composite getDomainComposite() {
return domainComposite;
}
/**
* @param domainComposite the domainComposite to set
*/
public void setDomainComposite(Composite domainComposite) {
this.domainComposite = domainComposite;
}
public Component resolve(String componentURI) {
for (Composite composite : domainComposite.getIncludes()) {
Component component = resolve(composite, componentURI);
if (component != null) {
return component;
}
}
return null;
}
public Component resolve(Composite composite, String componentURI) {
for (Component component : composite.getComponents()) {
String uri = component.getURI();
if (uri.equals(componentURI)) {
return component;
}
if (componentURI.startsWith(uri)) {
Implementation implementation = component.getImplementation();
if (!(implementation instanceof Composite)) {
return null;
}
return resolve((Composite)implementation, componentURI);
}
}
return null;
}
/**
* @return the javaInterfaceFactory
*/
public JavaInterfaceFactory getJavaInterfaceFactory() {
return javaInterfaceFactory;
}
/**
* @return the conversationManager
*/
public ConversationManager getConversationManager() {
return conversationManager;
}
private void error(String message, Object model, Throwable e) {
if (monitor != null) {
Problem problem = new ProblemImpl(this.getClass().getName(), "core-messages", Severity.ERROR, model, message, (Exception)e);
monitor.problem(problem);
}
}
}