diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0-Beta3/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/AsyncResponseInvoker.java')
| -rw-r--r-- | sca-java-2.x/branches/2.0-Beta3/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/AsyncResponseInvoker.java | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/AsyncResponseInvoker.java b/sca-java-2.x/branches/2.0-Beta3/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/AsyncResponseInvoker.java deleted file mode 100644 index 1ebc9c633a..0000000000 --- a/sca-java-2.x/branches/2.0-Beta3/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/AsyncResponseInvoker.java +++ /dev/null @@ -1,351 +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.invocation;
-
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.Serializable;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.tuscany.sca.assembly.Endpoint;
-import org.apache.tuscany.sca.assembly.EndpointReference;
-import org.apache.tuscany.sca.context.CompositeContext;
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.core.ExtensionPointRegistryLocator;
-import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.invocation.InvokerAsyncResponse;
-import org.apache.tuscany.sca.invocation.Message;
-import org.apache.tuscany.sca.invocation.MessageFactory;
-import org.apache.tuscany.sca.provider.EndpointAsyncProvider;
-import org.apache.tuscany.sca.runtime.DomainRegistryFactory;
-import org.apache.tuscany.sca.runtime.DomainRegistry;
-import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistryFactory;
-import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
-import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
-
-/**
- * A class that wraps the mechanics for sending async responses
- * and hides the decision about whether the response will be processed
- * natively or non-natively
- *
- * This class is generic, based on the type of targetAddress information required by
- * the Binding that creates it
- */
-public class AsyncResponseInvoker<T> implements InvokerAsyncResponse, Serializable {
-
- /**
- *
- */
- private static final long serialVersionUID = -7992598227671386588L;
-
- private transient RuntimeEndpoint requestEndpoint;
- private transient RuntimeEndpointReference responseEndpointReference;
- private T responseTargetAddress;
- private String relatesToMsgID;
- private String operationName;
- private transient MessageFactory messageFactory;
- private String bindingType = "";
- private boolean isNativeAsync;
-
- private String endpointURI;
- private String endpointReferenceURI;
- private String domainURI;
-
- private transient DomainRegistry domainRegistry;
- private transient ExtensionPointRegistry registry;
-
- public AsyncResponseInvoker(RuntimeEndpoint requestEndpoint,
- RuntimeEndpointReference responseEndpointReference,
- T responseTargetAddress, String relatesToMsgID,
- String operationName, MessageFactory messageFactory) {
- super();
- this.requestEndpoint = requestEndpoint;
- this.responseEndpointReference = responseEndpointReference;
- this.responseTargetAddress = responseTargetAddress;
- this.relatesToMsgID = relatesToMsgID;
- this.operationName = operationName;
- this.messageFactory = messageFactory;
-
- CompositeContext context = null;
- if(requestEndpoint != null ) {
- endpointURI = requestEndpoint.getURI();
- context = requestEndpoint.getCompositeContext();
- } // end if
- if(responseEndpointReference != null ) {
- endpointReferenceURI = responseEndpointReference.getURI();
- context = responseEndpointReference.getCompositeContext();
- }
-
- if( context != null ) {
- domainURI = context.getDomainURI();
- registry = context.getExtensionPointRegistry();
- } // end if
-
- if ((requestEndpoint.getBindingProvider() instanceof EndpointAsyncProvider) &&
- (((EndpointAsyncProvider)requestEndpoint.getBindingProvider()).supportsNativeAsync())){
- isNativeAsync = true;
- } else {
- isNativeAsync = false;
- } // end if
- } // end constructor
-
- /**
- * If you have a Tuscany message you can call this
- */
- public void invokeAsyncResponse(Message responseMessage) {
- responseMessage.getHeaders().put(Constants.ASYNC_RESPONSE_INVOKER, this);
- responseMessage.getHeaders().put(Constants.RELATES_TO, relatesToMsgID);
-
- if (isNativeAsync){
- // process the response as a native async response
- requestEndpoint.invokeAsyncResponse(responseMessage);
- } else {
- // process the response as a non-native async response
- responseEndpointReference.invoke(responseMessage);
- }
- } // end method invokeAsyncReponse(Message)
-
- public T getResponseTargetAddress() {
- return responseTargetAddress;
- }
-
- public void setResponseTargetAddress(T responseTargetAddress) {
- this.responseTargetAddress = responseTargetAddress;
- }
-
- public String getRelatesToMsgID() {
- return relatesToMsgID;
- }
-
- public void setRelatesToMsgID(String relatesToMsgID) {
- this.relatesToMsgID = relatesToMsgID;
- }
-
- /**
- * Invokes the async response where the parameter is Java bean(s)
- * - this method creates a Tuscany message
- *
- * @param args the response data
- * @param headers - any header
- */
- public void invokeAsyncResponse(Object args, Map<String, Object> headers) {
-
- Message msg = messageFactory.createMessage();
-
- msg.setOperation(getOperation( args ));
-
- // If this is not native async, then any Throwable is being passed as a parameter and
- // requires wrapping
- if( !isNativeAsync && args instanceof Throwable ) {
- args = new AsyncFaultWrapper( (Throwable) args );
- } // end if
-
- // If this is not native async, then the message must contain an array of args since
- // this is what is expected when invoking an EPR for the async response...
- if( !isNativeAsync ) {
- Object[] objs = new Object[1];
- objs[0] = args;
- args = objs;
- } // end if
-
- msg.setTo(requestEndpoint);
- msg.setFrom(responseEndpointReference);
-
- if( headers != null ) {
- msg.getHeaders().putAll(headers);
- }
-
- if( args instanceof Throwable ) {
- msg.setFaultBody(args);
- } else {
- msg.setBody(args);
- } // end if
-
- invokeAsyncResponse(msg);
-
- } // end method invokeAsyncResponse(Object)
-
- private Operation getOperation( Object args ) {
- if( isNativeAsync ) {
- List<Operation> ops = requestEndpoint.getService().getInterfaceContract().getInterface().getOperations();
- for (Operation op : ops) {
- if( operationName.equals(op.getName()) ) return op;
- } // end for
- return null;
- } else {
- operationName = "setResponse";
- if( args instanceof Throwable ) { operationName = "setWrappedFault"; }
- List<Operation> ops = responseEndpointReference.getReference().getInterfaceContract().getInterface().getOperations();
- for (Operation op : ops) {
- if( operationName.equals(op.getName()) ) return op;
- } // end for
- return null;
- } // end if
- } // end getOperation
-
- public void setBindingType(String bindingType) {
- this.bindingType = bindingType;
- } // end method setBindingType
-
- public String getBindingType() {
- return bindingType;
- } // end method getBindingType
-
- public RuntimeEndpoint getRequestEndpoint() {
- return this.requestEndpoint;
- }
-
- public RuntimeEndpointReference getResponseEndpointReference() {
- return this.responseEndpointReference;
- }
-
- public void setResponseEndpointReference(
- RuntimeEndpointReference responseEndpointReference) {
- this.responseEndpointReference = responseEndpointReference;
- }
-
- @SuppressWarnings("unchecked")
- private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
- {
- in.defaultReadObject();
-
- requestEndpoint = retrieveEndpoint(endpointURI);
- responseEndpointReference = retrieveEndpointReference(endpointReferenceURI);
-
- messageFactory = getMessageFactory();
-
- if (responseTargetAddress instanceof EndpointReference){
- // fix the target as in this case it will be an EPR
- EndpointReference epr = (EndpointReference)responseTargetAddress;
- responseTargetAddress = (T)retrieveEndpointReference(epr.getURI());
- } // end if
- } // end method readObject
-
- /**
- * Gets a message factory
- * @return
- */
- private MessageFactory getMessageFactory() {
- return registry.getExtensionPoint(FactoryExtensionPoint.class).getFactory(MessageFactory.class);
- } // end method getMessageFactory
-
- /**
- * Fetches the EndpointReference identified by an endpoint reference URI
- * @param uri - the URI of the endpoint reference
- * @return - the EndpointReference matching the supplied URI - null if no EPR is found which
- * matches the URI
- */
- private RuntimeEndpointReference retrieveEndpointReference(String uri) {
- if( uri == null ) return null;
- if( domainRegistry == null ) return null;
- List<EndpointReference> refs = domainRegistry.findEndpointReferences( uri );
- // If there is more than EndpointReference with the uri...
- if( refs.isEmpty() ) return null;
- // TODO: what if there is more than 1 EPR with the given URI?
- return (RuntimeEndpointReference) refs.get(0);
- } // end method retrieveEndpointReference
-
- /**
- * Fetches the Endpoint identified by an endpoint URI
- * - the Endpoint is retrieved from the DomainRegistry
- * @param uri - the URI of the Endpoint
- * @return - the Endpoint corresponding to the URI, or null if no Endpoint is found which has the
- * supplied URI
- */
- private RuntimeEndpoint retrieveEndpoint(String uri) {
- if( uri == null ) return null;
- if( domainRegistry == null ) domainRegistry = getEndpointRegistry( uri );
- if( domainRegistry == null ) return null;
- // TODO what if more than one Endpoint gets returned??
- return (RuntimeEndpoint) domainRegistry.findEndpoint(uri).get(0);
- } // end method retrieveEndpoint
-
- /**
- * Gets the DomainRegistry which contains an Endpoint with the supplied URI
- * @param uri - The URI of an Endpoint
- * @return - the DomainRegistry containing the Endpoint with the supplied URI - null if no
- * such DomainRegistry can be found
- */
- private DomainRegistry getEndpointRegistry(String uri) {
- ExtensionPointRegistry registry = null;
- DomainRegistry domainRegistry = null;
-
- CompositeContext context = CompositeContext.getCurrentCompositeContext();
- if( context == null && requestEndpoint != null ) context = requestEndpoint.getCompositeContext();
- if( context != null ) {
- registry = context.getExtensionPointRegistry();
- domainRegistry = getEndpointRegistry( registry );
- if( domainRegistry != null ) {
- this.registry = registry;
- return domainRegistry;
- } // end if
- } // end if
-
- // Deal with the case where there is no context available
- for(ExtensionPointRegistry r : ExtensionPointRegistryLocator.getExtensionPointRegistries()) {
- registry = r;
- if( registry != null ) {
- // Find the actual Endpoint in the DomainRegistry
- domainRegistry = getEndpointRegistry( registry );
-
- if( domainRegistry != null ) {
- for( Endpoint endpoint : domainRegistry.findEndpoint(uri) ) {
- // TODO: For the present, simply return the first registry with a matching endpoint
- this.registry = registry;
- return domainRegistry;
- } // end for
- } // end if
- } // end if
- } // end for
-
- return null;
- } // end method getEndpointRegistry
-
- /**
- * Get the DomainRegistry
- * @param registry - the ExtensionPoint registry
- * @return the DomainRegistry - will be null if the DomainRegistry cannot be found
- */
- private DomainRegistry getEndpointRegistry( ExtensionPointRegistry registry) {
- DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(registry);
-
- if( domainRegistryFactory == null ) return null;
-
- // Find the first endpoint registry that matches the domain name
- if( domainURI != null ) {
- for( DomainRegistry domainRegistry : domainRegistryFactory.getEndpointRegistries() ) {
- if( domainURI.equals( domainRegistry.getDomainURI() ) ) return domainRegistry;
- } // end for
- } // end if
-
- // if there was no domainName to match, simply return the first DomainRegistry if there is one...
-
- if (domainRegistryFactory.getEndpointRegistries().size() > 0){
- DomainRegistry domainRegistry = (DomainRegistry) domainRegistryFactory.getEndpointRegistries().toArray()[0];
- return domainRegistry;
- } else {
- return null;
- }
-
- } // end method
-
-} // end class
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