diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider')
3 files changed, 244 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingInvoker.java new file mode 100644 index 0000000000..323fa76006 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingInvoker.java @@ -0,0 +1,102 @@ +/* + * 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.ejb.provider; + +import org.apache.tuscany.sca.binding.ejb.EJBBinding; +import org.apache.tuscany.sca.binding.ejb.util.EJBHandler; +import org.apache.tuscany.sca.binding.ejb.util.NamingEndpoint; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaOperation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +/** + * EJBTargetInvoker + * + * @version $Rev$ $Date$ + */ +public class EJBBindingInvoker implements Invoker { + + private Operation operation; + private String location; + private Class serviceInterface; + + public EJBBindingInvoker(EJBBinding ejbBinding, Class serviceInterface, Operation operation) { + this.serviceInterface = serviceInterface; + this.location = ejbBinding.getURI(); + this.operation = operation; + } + + public Message invoke(Message msg) { + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + Thread.currentThread().setContextClassLoader(serviceInterface.getClassLoader()); + Object resp = doInvoke(msg.getBody()); + msg.setBody(resp); + } catch (Throwable e) { + e.printStackTrace(); + msg.setFaultBody(e); + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + return msg; + } + + /** + * Invoke a EJB operation + * + * @param payload + * @return + */ + public Object doInvoke(final Object payload) { + + // construct NamingendPoint + NamingEndpoint endpoint = getNamingEndpoint(); + + // lookup home and ejb stub + EJBHandler ejbHandler = new EJBHandler(endpoint, serviceInterface); + + // + // If we really couldn't have anything but a JavaOperation maybe we should + // remove the if-block. Assuming we had some other type of operation, if + // that is possible, we might still need to map to a Java operation name, + // (for example because the WSDL operation name might be set using a JSR-181 + // annotation to something other than the Java operation name. + // + // But for now we'll keep the else-block in here. + // + String methodName = null; + if (operation instanceof JavaOperation) { + JavaOperation javaOp = (JavaOperation) operation; + methodName = javaOp.getJavaMethod().getName(); + } else { + methodName = operation.getName(); + } + + // invoke business method on ejb + Object response = ejbHandler.invoke(methodName, (Object[])payload); + + return response; + } + + protected NamingEndpoint getNamingEndpoint() { + return new NamingEndpoint(location); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingProviderFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingProviderFactory.java new file mode 100644 index 0000000000..e94ac8bce1 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingProviderFactory.java @@ -0,0 +1,56 @@ +/* + * 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.ejb.provider; + +import org.apache.tuscany.sca.binding.ejb.EJBBinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; + +/** + * A factory from creating the EJB binding provider. + * + * @version $Rev$ $Date$ + */ +public class EJBBindingProviderFactory implements BindingProviderFactory<EJBBinding> { + + public EJBBindingProviderFactory(ExtensionPointRegistry extensionPoints) { + // empty constructor + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeEndpointReference endpointReference) { + return new EJBBindingReferenceBindingProvider((RuntimeComponent)endpointReference.getComponent(), + (RuntimeComponentReference)endpointReference.getReference(), + (EJBBinding)endpointReference.getBinding()); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeEndpoint endpoint) { + // Service Binding not supported for EJB Binding + return null; + } + + public Class<EJBBinding> getModelType() { + return EJBBinding.class; + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingReferenceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingReferenceBindingProvider.java new file mode 100644 index 0000000000..2a02bf0d08 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingReferenceBindingProvider.java @@ -0,0 +1,86 @@ +/* + * 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.ejb.provider; + +import org.apache.tuscany.sca.binding.ejb.EJBBinding; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; + +/** + * Implementation of the ReferenceBindingProvider for the EJBBinding. + * + * @version $Rev$ $Date$ + */ +public class EJBBindingReferenceBindingProvider implements ReferenceBindingProvider { + private EJBBinding ejbBinding; + private RuntimeComponentReference reference; + + /** + * Constructor + * + * @param component + * @param reference + * @param binding + */ + public EJBBindingReferenceBindingProvider(RuntimeComponent component, + RuntimeComponentReference reference, + EJBBinding binding) { + this.reference = reference; + this.ejbBinding = binding; + } + + /** + * {@inheritDoc} + */ + public Invoker createInvoker(Operation operation) { + return new EJBBindingInvoker(ejbBinding, ((JavaInterface)reference.getInterfaceContract().getInterface()) + .getJavaClass(), operation); + } + + /** + * {@inheritDoc} + */ + public InterfaceContract getBindingInterfaceContract() { + return reference.getInterfaceContract(); + } + + /** + * {@inheritDoc} + */ + public void start() { + } + + /** + * {@inheritDoc} + */ + public void stop() { + } + + /** + * {@inheritDoc} + */ + public boolean supportsOneWayInvocation() { + return true; + } +} |