diff options
Diffstat (limited to '')
10 files changed, 600 insertions, 42 deletions
diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/DefaultEventBindingFactory.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/DefaultEventBindingFactory.java new file mode 100644 index 0000000000..7f666ed6a9 --- /dev/null +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/DefaultEventBindingFactory.java @@ -0,0 +1,32 @@ +/* + * 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.binding.event; + +import org.apache.tuscany.sca.assembly.Binding; + +/** + * Factory to create base binding for producers and consumers + */ +public interface DefaultEventBindingFactory { + + + public Binding createDefaultEventBinding(); + +} diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingFactoryImpl.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingFactoryImpl.java index 1b6300aab4..3451e13747 100644 --- a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingFactoryImpl.java +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingFactoryImpl.java @@ -19,6 +19,7 @@ package org.apache.tuscany.sca.binding.event.impl; +import org.apache.tuscany.sca.assembly.Binding; import org.apache.tuscany.sca.assembly.EventBinding; import org.apache.tuscany.sca.assembly.EventBindingFactory; @@ -29,12 +30,33 @@ import org.apache.tuscany.sca.assembly.EventBindingFactory; */ public class EventBindingFactoryImpl implements EventBindingFactory { + /* + * Constructor + */ public EventBindingFactoryImpl (){ - } + /* + * (non-Javadoc) + * @see org.apache.tuscany.sca.assembly.EventBindingFactory#createEventBinding() + */ public EventBinding createEventBinding() { return new EventBindingImpl(); } + + /* + * (non-Javadoc) + * @see org.apache.tuscany.sca.assembly.EventBindingFactory#createEventBinding(org.apache.tuscany.sca.assembly.Binding) + */ + public EventBinding createEventBinding(Binding baseBinding) { + if (baseBinding instanceof EventBinding) + return (EventBinding)baseBinding; + + EventBindingImpl eventBinding = new EventBindingImpl(); + eventBinding.setBaseBinding(baseBinding); + return eventBinding; + } + + } diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingImpl.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingImpl.java index b07651960f..cfe2a58247 100644 --- a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingImpl.java +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingImpl.java @@ -26,8 +26,8 @@ import org.apache.tuscany.sca.assembly.Component; import org.apache.tuscany.sca.assembly.ComponentService; import org.apache.tuscany.sca.assembly.EventBinding; import org.apache.tuscany.sca.assembly.Extensible; -import org.apache.tuscany.sca.assembly.OptimizableBinding; import org.apache.tuscany.sca.assembly.builder.AutomaticBinding; +import org.apache.tuscany.sca.binding.event.DefaultEventBindingFactory; import org.apache.tuscany.sca.policy.Intent; import org.apache.tuscany.sca.policy.IntentAttachPointType; import org.apache.tuscany.sca.policy.PolicySet; @@ -38,7 +38,7 @@ import org.apache.tuscany.sca.policy.PolicySetAttachPoint; * * @version $$ */ -public class EventBindingImpl implements EventBinding, Extensible, PolicySetAttachPoint, OptimizableBinding, AutomaticBinding { +public class EventBindingImpl implements EventBinding, Extensible, PolicySetAttachPoint, AutomaticBinding { private String name; private String uri; private Binding baseBinding; @@ -59,7 +59,7 @@ public class EventBindingImpl implements EventBinding, Extensible, PolicySetAtta } /** - * Constructs a new SCA binding. + * Constructs a new Event binding. */ protected EventBindingImpl() { } @@ -240,4 +240,12 @@ public class EventBindingImpl implements EventBinding, Extensible, PolicySetAtta public boolean getIsAutomatic(){ return this.isAutomatic; } + + public Binding createDefaultBaseBinding(DefaultEventBindingFactory factory) { + if (baseBinding == null) + baseBinding = factory.createDefaultEventBinding(); + return baseBinding; + + } + } diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingInterceptor.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingInterceptor.java new file mode 100644 index 0000000000..cf15e54c33 --- /dev/null +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingInterceptor.java @@ -0,0 +1,158 @@ +/* + * 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.binding.event.impl; + +import java.util.List; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; +import org.osoa.sca.annotations.EventType; + +/** + * Policy interceptor for events + * + * @version $$ + */ +public class EventBindingInterceptor implements Interceptor { + private Invoker next; + @SuppressWarnings("unused") + private Operation operation; + private RuntimeComponentService consumerService; + private Binding binding; + private InterfaceContractMapper interfaceContractMapper; + + public EventBindingInterceptor(RuntimeComponentService consumerService, + Binding binding, + Operation operation, + InterfaceContractMapper interfaceContractMapper) { + super(); + this.consumerService = consumerService; + this.operation = operation; + this.binding = binding; + this.interfaceContractMapper = interfaceContractMapper; + } + + public Message invoke(Message msg) { + try { + + Object arg = msg.getBody(); + if (arg instanceof Object[]) { + arg = ((Object [])arg)[0]; + } + + Operation consumerOperation = findOperation(consumerService.getInterfaceContract().getInterface().getOperations(), arg); + + InvocationChain chain = getInvocationChain(consumerService.getRuntimeWire(binding), consumerOperation); + Invoker invoker = chain.getHeadInvoker(); + while (invoker instanceof Interceptor && ((Interceptor)invoker).getNext() != null) { + invoker = ((Interceptor)invoker).getNext(); + } + msg = invoker.invoke(msg); + } catch (Exception e) { + e.printStackTrace(); + msg.setBody(e); + } + return msg; + } + + public Invoker getNext() { + return next; + } + + public void setNext(Invoker next) { + this.next = next; + } + + private String getEventType(Class<?> clazz) { + EventType eventTypeAnnotation = clazz.getAnnotation(EventType.class); + if (eventTypeAnnotation != null) + return eventTypeAnnotation.name(); + if (clazz.getSuperclass() != null && clazz.getSuperclass() != Object.class) { + String eventType = getEventType(clazz.getSuperclass()); + if (eventType != null) + return eventType; + } + for (Class<?> interfaze : clazz.getInterfaces()) { + String eventType = getEventType(interfaze); + if (eventType != null) + return eventType; + } + return null; + } + + @SuppressWarnings("unchecked") + private Operation findOperation(List<Operation> operations, Object arg) { + if (arg == null) { + return operations.get(0); + } + else { + String eventType = getEventType(arg.getClass()); + + Operation firstMatching = null; + for (Operation op : operations) { + String[] eventTypes = op.getEventTypes(); + if (eventTypes == null || eventTypes.length == 0) { + + if (op.getInputType().getLogical().get(0).getPhysical().isAssignableFrom(arg.getClass())) { + + // If no event type is specified, return the first method which + // (1) has assignable parameters + // (2) has no explicit event types specified + if (eventType == null) { + + return op; + } + else if (firstMatching == null) { + // Remember first matching method without event types and + // return this operation if no operation has explicitly specified + // this event type. + firstMatching = op; + } + } + } else { + for (String type : eventTypes) { + if (type.equals(eventType)) { + return op; + } + } + } + + } + return firstMatching; + } + } + + public InvocationChain getInvocationChain(RuntimeWire wire, Operation operation) { + for (InvocationChain chain : wire.getInvocationChains()) { + Operation op = chain.getTargetOperation(); + if (interfaceContractMapper.isCompatible(operation, op, op.getInterface().isRemotable())) { + return chain; + } + } + return null; + } + +} diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingInvoker.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingInvoker.java index 481f3b2b0a..2c36acbf94 100644 --- a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingInvoker.java +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventBindingInvoker.java @@ -19,54 +19,50 @@ package org.apache.tuscany.sca.binding.event.impl; -import org.apache.tuscany.sca.invocation.Interceptor; -import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.interfacedef.Operation; import org.apache.tuscany.sca.invocation.Invoker; import org.apache.tuscany.sca.invocation.Message; import org.apache.tuscany.sca.invocation.DataExchangeSemantics; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; /** - * TODO: Implement event binding invoker + * Event binding invoker * @version $$ */ -public class EventBindingInvoker implements Interceptor, DataExchangeSemantics { - private InvocationChain chain; +public class EventBindingInvoker implements Invoker, DataExchangeSemantics { + + private Invoker baseInvoker; /** - * Construct a EventBindingInvoker that delegates to the service invocaiton chain + * Construct a EventBindingInvoker that delegates to the service invocation chain * @param chain */ - public EventBindingInvoker(InvocationChain chain) { + public EventBindingInvoker(ReferenceBindingProvider baseBindingProvider, Operation operation) { super(); - this.chain = chain; - } - - /** - * @see org.apache.tuscany.sca.invocation.Interceptor#getNext() - */ - public Invoker getNext() { - return chain.getHeadInvoker(); + + // TODO: Should we match producer event types with the event types of the operation? + baseInvoker = baseBindingProvider.createInvoker(operation); } - /** - * @see org.apache.tuscany.sca.invocation.Interceptor#setNext(org.apache.tuscany.sca.invocation.Invoker) - */ - public void setNext(Invoker next) { - // NOOP - } /** * @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message) */ public Message invoke(Message msg) { - return getNext().invoke(msg); + if (baseInvoker != null) { + return baseInvoker.invoke(msg); + } + else { + msg.setBody(null); + return msg; + } } /** * @see org.apache.tuscany.sca.invocation.DataExchangeSemantics#allowsPassByReference() */ public boolean allowsPassByReference() { - return chain.allowsPassByReference(); + return true; } } diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventReferenceBindingProvider.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventReferenceBindingProvider.java index bb09fb5b77..6faa1fbf6f 100644 --- a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventReferenceBindingProvider.java +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventReferenceBindingProvider.java @@ -21,10 +21,17 @@ package org.apache.tuscany.sca.binding.event.impl; import java.util.logging.Logger; +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.binding.event.DefaultEventBindingFactory; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; import org.apache.tuscany.sca.core.ExtensionPointRegistry; import org.apache.tuscany.sca.interfacedef.InterfaceContract; import org.apache.tuscany.sca.interfacedef.Operation; import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +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.runtime.RuntimeComponent; import org.apache.tuscany.sca.runtime.RuntimeComponentReference; @@ -36,18 +43,20 @@ import org.apache.tuscany.sca.runtime.RuntimeComponentReference; */ public class EventReferenceBindingProvider implements ReferenceBindingProvider { - @SuppressWarnings("unused") private static final Logger logger = Logger.getLogger(EventReferenceBindingProvider.class.getName()); @SuppressWarnings("unused") private RuntimeComponent component; @SuppressWarnings("unused") private EventBindingImpl binding; + @SuppressWarnings("unused") private RuntimeComponentReference reference; private boolean started = false; private ReferenceBindingProvider baseBindingProvider; + + @SuppressWarnings("unchecked") public EventReferenceBindingProvider(ExtensionPointRegistry extensionPoints, RuntimeComponent component, RuntimeComponentReference reference, @@ -55,17 +64,47 @@ public class EventReferenceBindingProvider implements ReferenceBindingProvider { this.component = component; this.reference = reference; this.binding = binding; + + + ProviderFactoryExtensionPoint providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + + + Binding baseBinding = binding.getBaseBinding(); + if (baseBinding == null) { + + DefaultEventBindingFactory defaultEventBindingFactory = + (DefaultEventBindingFactory)modelFactories.getFactory(DefaultEventBindingFactory.class); + + if (defaultEventBindingFactory == null) { + logger.severe("Default binding for Event binding not available"); + } + baseBinding = binding.createDefaultBaseBinding(defaultEventBindingFactory); + } - // TODO: Set baseBindingProvider + BindingProviderFactory providerFactory = + (BindingProviderFactory)providerFactories.getProviderFactory(baseBinding.getClass()); + if (providerFactory != null) { + baseBindingProvider = + providerFactory.createReferenceBindingProvider((RuntimeComponent)component, + (RuntimeComponentReference)reference, + baseBinding); + for (PolicyProviderFactory f : providerFactories.getPolicyProviderFactories()) { + PolicyProvider policyProvider = f.createReferencePolicyProvider(component, reference, baseBinding); + if (policyProvider != null) { + reference.addPolicyProvider(baseBinding, policyProvider); + } + } + } + if (baseBindingProvider == null) { + throw new IllegalStateException("Provider factory not found for class: " + baseBinding.getClass().getName()); + } + } public InterfaceContract getBindingInterfaceContract() { - if (reference.getReference() != null) { - return reference.getReference().getInterfaceContract(); - } else { - return reference.getInterfaceContract(); - } + return baseBindingProvider.getBindingInterfaceContract(); } public boolean supportsOneWayInvocation() { @@ -74,13 +113,14 @@ public class EventReferenceBindingProvider implements ReferenceBindingProvider { public Invoker createInvoker(Operation operation) { - return baseBindingProvider.createInvoker(operation); + return new EventBindingInvoker(baseBindingProvider, operation); } public void start() { if (started) { return; } else { + baseBindingProvider.start(); started = true; } } @@ -89,6 +129,7 @@ public class EventReferenceBindingProvider implements ReferenceBindingProvider { if (!started) { return; } else { + baseBindingProvider.stop(); started = false; } diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventServiceBindingProvider.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventServiceBindingProvider.java index 593795aae0..5f90089d73 100644 --- a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventServiceBindingProvider.java +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventServiceBindingProvider.java @@ -20,11 +20,30 @@ package org.apache.tuscany.sca.binding.event.impl; +import java.util.List; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.EventBinding; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.binding.event.DefaultEventBindingFactory; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.provider.AsyncServiceBindingProvider; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; import org.apache.tuscany.sca.provider.ServiceBindingProvider; import org.apache.tuscany.sca.runtime.RuntimeComponent; import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; /** * The event service binding provider @@ -32,22 +51,92 @@ import org.apache.tuscany.sca.runtime.RuntimeComponentService; * @version $$ */ public class EventServiceBindingProvider implements ServiceBindingProvider { - + + private static final Logger logger = Logger.getLogger(EventReferenceBindingProvider.class.getName()); + private RuntimeComponentService service; + private RuntimeComponentService eventService; + private ServiceBindingProvider baseBindingProvider; + + private InterfaceContract eventInterfaceContract; + + private EventBinding eventBinding; + private InterfaceContractMapper interfaceContractMapper; + + + + @SuppressWarnings("unchecked") public EventServiceBindingProvider(ExtensionPointRegistry extensionPoints, RuntimeComponent component, RuntimeComponentService service, EventBindingImpl binding) { - this.service = service; + + + eventBinding = binding; + + + ProviderFactoryExtensionPoint providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + + Binding baseBinding = binding.getBaseBinding(); + if (baseBinding == null) { + + DefaultEventBindingFactory defaultEventBindingFactory = + (DefaultEventBindingFactory)modelFactories.getFactory(DefaultEventBindingFactory.class); + + if (defaultEventBindingFactory == null) { + logger.severe("Default binding for Event binding not available"); + } + baseBinding = binding.createDefaultBaseBinding(defaultEventBindingFactory); + } + + BindingProviderFactory providerFactory = + (BindingProviderFactory)providerFactories.getProviderFactory(baseBinding.getClass()); + + JavaInterfaceFactory javaInterfaceFactory = modelFactories.getFactory(JavaInterfaceFactory.class); + + UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class); + + if (providerFactory != null) { + try { + this.service = service; + + eventService = (RuntimeComponentService)service.clone(); + + JavaInterface iface = javaInterfaceFactory.createJavaInterface(EventServiceInterface.class); + + eventInterfaceContract = javaInterfaceFactory.createJavaInterfaceContract(); + eventInterfaceContract.setInterface(iface); + eventService.setInterfaceContract(eventInterfaceContract); + + if (service.getService() != null) { + eventService.setService((Service)service.getService().clone()); + eventService.getService().setInterfaceContract(eventInterfaceContract); + } + + } catch (Exception e) { + throw new RuntimeException(e); + } + + baseBindingProvider = + providerFactory.createServiceBindingProvider((RuntimeComponent)component, + (RuntimeComponentService)eventService, + baseBinding); + if (baseBindingProvider instanceof AsyncServiceBindingProvider) { + ((AsyncServiceBindingProvider)baseBindingProvider).setTargetBinding(binding); + } + + } + + if (baseBindingProvider == null) { + throw new IllegalStateException("Provider factory not found for class: " + baseBinding.getClass().getName()); + } } public InterfaceContract getBindingInterfaceContract() { - if (service.getService() != null) { - return service.getService().getInterfaceContract(); - } else { - return service.getInterfaceContract(); - } + return service.getInterfaceContract(); } public boolean supportsOneWayInvocation() { @@ -55,9 +144,35 @@ public class EventServiceBindingProvider implements ServiceBindingProvider { } public void start() { + try { + for (RuntimeWire wire : service.getRuntimeWires()) { + RuntimeWire clonedWire = (RuntimeWire)wire.clone(); + clonedWire.rebuild(); + clonedWire.getSource().setInterfaceContract(eventInterfaceContract); + clonedWire.getTarget().setInterfaceContract(eventInterfaceContract); + if (clonedWire.getTarget().getContract() == service) + clonedWire.getTarget().setContract(eventService); + eventService.getRuntimeWires().add(clonedWire); + } + + List<InvocationChain> chains = eventService.getRuntimeWire(eventBinding).getInvocationChains(); + for (InvocationChain chain : chains) { + Interceptor interceptor = new EventBindingInterceptor(service, + eventBinding, + chain.getSourceOperation(), + interfaceContractMapper); + chain.addInterceptor(Phase.IMPLEMENTATION_POLICY, interceptor); + } + + baseBindingProvider.start(); + } catch (CloneNotSupportedException e) { + // Should never happen + } } public void stop() { + baseBindingProvider.stop(); } + } diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventServiceInterface.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventServiceInterface.java new file mode 100644 index 0000000000..1111bccfe1 --- /dev/null +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/impl/EventServiceInterface.java @@ -0,0 +1,33 @@ +/* + * 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.binding.event.impl; + +import org.osoa.sca.annotations.Remotable; + + +/** + * Interface for event services + * + * @version $$ + */ +@Remotable +public interface EventServiceInterface { + + void onEvent(Object event); +} diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/xml/EventBindingProcessor.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/xml/EventBindingProcessor.java new file mode 100644 index 0000000000..000be21d26 --- /dev/null +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/xml/EventBindingProcessor.java @@ -0,0 +1,134 @@ +/* + * 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.binding.event.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.EventBinding; +import org.apache.tuscany.sca.assembly.EventBindingFactory; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.assembly.xml.PolicyAttachPointProcessor; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.policy.IntentAttachPointType; +import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; + +/** + * A processor to read the XML that describes the event binding. + * + * @version $$ + */ + +public class EventBindingProcessor implements StAXArtifactProcessor<EventBinding>, Constants{ + + private PolicyFactory policyFactory; + private EventBindingFactory eventBindingFactory; + private PolicyAttachPointProcessor policyProcessor; + private IntentAttachPointTypeFactory intentAttachPointTypeFactory; + @SuppressWarnings("unused") + private Monitor monitor; + + protected static final String BINDING_EVENT = "binding.event"; + protected static final QName BINDING_EVENT_QNAME = new QName(Constants.SCA10_TUSCANY_NS, BINDING_EVENT); + + public EventBindingProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.policyFactory = modelFactories.getFactory(PolicyFactory.class); + this.eventBindingFactory = modelFactories.getFactory(EventBindingFactory.class); + policyProcessor = new PolicyAttachPointProcessor(policyFactory); + this.intentAttachPointTypeFactory = modelFactories.getFactory(IntentAttachPointTypeFactory.class); + this.monitor = monitor; + } + + public QName getArtifactType() { + return BINDING_EVENT_QNAME; + } + + public Class<EventBinding> getModelType() { + return EventBinding.class; + } + + public EventBinding read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + EventBinding eventBinding = eventBindingFactory.createEventBinding(); + IntentAttachPointType bindingType = intentAttachPointTypeFactory.createBindingType(); + bindingType.setName(getArtifactType()); + bindingType.setUnresolved(true); + ((PolicySetAttachPoint)eventBinding).setType(bindingType); + + // Read policies + policyProcessor.readPolicies(eventBinding, reader); + + // Read binding name + String name = reader.getAttributeValue(null, NAME); + if (name != null) { + eventBinding.setName(name); + } + + // Read binding URI + String uri = reader.getAttributeValue(null, URI); + if (uri != null) { + eventBinding.setURI(uri); + } + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && BINDING_EVENT_QNAME.equals(reader.getName())) { + break; + } + } + return eventBinding; + } + + public void resolve(EventBinding model, ModelResolver resolver) throws ContributionResolveException { + policyProcessor.resolvePolicies(model, resolver); + } + + public void write(EventBinding eventBinding, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <binding.event> + policyProcessor.writePolicyPrefixes(eventBinding, writer); + writer.writeStartElement(Constants.SCA10_TUSCANY_NS, BINDING_EVENT); + policyProcessor.writePolicyAttributes(eventBinding, writer); + + // Write binding name + if (eventBinding.getName() != null) { + writer.writeAttribute(NAME, eventBinding.getName()); + } + + // Write binding URI + if (eventBinding.getURI() != null) { + writer.writeAttribute(URI, eventBinding.getURI()); + } + + writer.writeEndElement(); + } + +} diff --git a/sandbox/event/modules/binding-event/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/sandbox/event/modules/binding-event/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor new file mode 100644 index 0000000000..a2ac94ebc2 --- /dev/null +++ b/sandbox/event/modules/binding-event/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor @@ -0,0 +1,19 @@ +# 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. + +# Implementation class for the artifact processor extension +org.apache.tuscany.sca.binding.event.xml.EventBindingProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.0#binding.event,model=org.apache.tuscany.sca.binding.event.impl.EventBindingImpl |