diff options
Diffstat (limited to 'tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java')
-rw-r--r-- | tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java b/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java deleted file mode 100644 index 5218a7fd01..0000000000 --- a/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java +++ /dev/null @@ -1,154 +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.context.impl; - - -import java.util.List; - -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.assembly.Endpoint; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.context.ThreadMessageContext; -import org.apache.tuscany.sca.core.assembly.impl.RuntimeWireImpl; -import org.apache.tuscany.sca.core.invocation.ProxyFactory; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeWire; - -public class CallbackServiceReferenceImpl<B> extends ServiceReferenceImpl<B> { - private RuntimeWire wire; - private List<RuntimeWire> wires; - private Endpoint resolvedEndpoint; - - /* - * Public constructor for Externalizable serialization/deserialization - */ - public CallbackServiceReferenceImpl() { - super(); - } - - public CallbackServiceReferenceImpl(Class<B> interfaze, List<RuntimeWire> wires, ProxyFactory proxyFactory) { - super(interfaze, null, proxyFactory); - this.wires = wires; - init(); - } - - public void init() { - Message msgContext = ThreadMessageContext.getMessageContext(); - wire = selectCallbackWire(msgContext); - if (wire == null) { - //FIXME: need better exception - throw new RuntimeException("No callback binding found for " + msgContext.getTo().toString()); - } - resolvedEndpoint = msgContext.getFrom().getCallbackEndpoint(); - } - - @Override - protected Object createProxy() throws Exception { - return proxyFactory.createCallbackProxy(this); - } - - public RuntimeWire getCallbackWire() { - if (resolvedEndpoint == null) { - return null; - } else { - return cloneAndBind(wire); - } - } - - public Endpoint getResolvedEndpoint() { - return resolvedEndpoint; - } - - private RuntimeWire selectCallbackWire(Message msgContext) { - // look for callback binding with same name as service binding - Endpoint to = msgContext.getTo(); - if (to == null) { - //FIXME: need better exception - throw new RuntimeException("Destination for forward call is not available"); - } - for (RuntimeWire wire : wires) { - if (wire.getEndpointReference().getBinding().getName().equals(to.getBinding().getName())) { - return wire; - } - } - - // if no match, look for callback binding with same type as service binding - for (RuntimeWire wire : wires) { - if (wire.getEndpointReference().getBinding().getClass() == to.getBinding().getClass()) { - return wire; - } - } - - // no suitable callback wire was found - return null; - } - - private RuntimeWire cloneAndBind(RuntimeWire wire) { - RuntimeWire boundWire = null; - if (resolvedEndpoint != null) { - boundWire = ((RuntimeWireImpl)wire).lookupCache(resolvedEndpoint); - if (boundWire != null) { - return boundWire; - } - try { - // TODO - EPR - is this correct? - - // Fluff up a new response wire based on the callback endpoint - RuntimeComponentReference ref = - bind((RuntimeComponentReference)wire.getEndpointReference().getReference(), - resolvedEndpoint); - - boundWire = ref.getRuntimeWires().get(0); - - Binding binding = wire.getEndpointReference().getBinding(); - - ((RuntimeWireImpl)wire).addToCache(resolvedEndpoint, boundWire); - } catch (CloneNotSupportedException e) { - // will not happen - } - } - return boundWire; - } - - private RuntimeComponentReference bind(RuntimeComponentReference reference, - Endpoint callbackEndpoint) throws CloneNotSupportedException { - - // clone the callback reference ready to configure it for this callback endpoint - RuntimeComponentReference ref = (RuntimeComponentReference)reference.clone(); - ref.getTargets().clear(); - ref.getBindings().clear(); - ref.getEndpointReferences().clear(); - - // no access to the assembly factory so clone an existing epr - EndpointReference callbackEndpointReference = (EndpointReference)reference.getEndpointReferences().get(0).clone(); - - callbackEndpointReference.setReference(ref); - callbackEndpointReference.setTargetEndpoint(callbackEndpoint); - callbackEndpointReference.setUnresolved(true); - - // TODO - should really use incoming callback info but awaiting - // decision from OASIS on what will happen with callbacks - // The callback endpoint will be resolved with the registry - // when the wire chains are created - ref.getEndpointReferences().add(callbackEndpointReference); - - return ref; - } -} |