diff options
Diffstat (limited to 'sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org')
9 files changed, 938 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/DistributedSCABinding.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/DistributedSCABinding.java new file mode 100644 index 0000000000..be89a30193 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/DistributedSCABinding.java @@ -0,0 +1,37 @@ +/*
+ * 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.sca;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.SCABinding;
+
+
+/**
+ * Represents an SCA binding used in the distributed runtime.
+ * At the moment just provides us with a sensibly named type
+ * against which the distributed sca binding providers can be registered
+ *
+ * @version $Rev: 556322 $ $Date: 2007-07-14 19:53:15 +0100 (Sat, 14 Jul 2007) $
+ */
+public interface DistributedSCABinding extends Binding {
+
+ public SCABinding getSCABinding();
+ public void setSCABinging(SCABinding scaBinding);
+
+}
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/DistributedSCABindingImpl.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/DistributedSCABindingImpl.java new file mode 100644 index 0000000000..e12fd82f97 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/DistributedSCABindingImpl.java @@ -0,0 +1,111 @@ +/*
+ * 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.sca.impl;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.SCABinding;
+import org.apache.tuscany.sca.binding.sca.DistributedSCABinding;
+
+/**
+ * The Distributed SCA binding wrapper for the SCA binding model object. This is currently
+ * just used to locate the remote binding extension and pass the SCA binding to the remote
+ * extension. It isn't used in the model itself
+ *
+ * @version $Rev: 564307 $ $Date: 2007-08-09 18:48:29 +0100 (Thu, 09 Aug 2007) $
+ */
+public class DistributedSCABindingImpl implements DistributedSCABinding {
+
+ private SCABinding scaBinding;
+
+ /**
+ * Getter for the wrapped sca binding model object
+ *
+ * @return the sca binding model element
+ */
+ public SCABinding getSCABinding(){
+ return scaBinding;
+ }
+
+ /**
+ * Setter for the wrapped sca binding model element
+ *
+ * @param the sca binding model element
+ */
+ public void setSCABinging(SCABinding scaBinding){
+ this.scaBinding = scaBinding;
+ }
+
+
+ // Operation implementations provided to make this class a
+ // valid Binding
+
+ /**
+ * Returns the binding URI.
+ *
+ * @return the binding uri
+ */
+ public String getURI(){
+ return null;
+ }
+
+ /**
+ * Sets the binding URI.
+ *
+ * @param uri the binding uri
+ */
+ public void setURI(String uri){
+ }
+
+ /**
+ * Returns the binding name.
+ *
+ * @return the binding name
+ */
+ public String getName(){
+ return null;
+ }
+
+ /**
+ * Sets the binding name.
+ *
+ * @param name the binding name
+ */
+ public void setName(String name){
+ }
+
+ /**
+ * Returns true if the model element is unresolved.
+ *
+ * @return true if the model element is unresolved.
+ */
+ public boolean isUnresolved(){
+ return false;
+ }
+
+ /**
+ * Sets whether the model element is unresolved.
+ *
+ * @param unresolved whether the model element is unresolved
+ */
+ public void setUnresolved(boolean unresolved){
+ }
+
+
+}
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingInvoker.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingInvoker.java new file mode 100644 index 0000000000..8fb2497f81 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingInvoker.java @@ -0,0 +1,51 @@ +/* + * 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.sca.impl; + +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +/** + * The local SCA Binding invoker implementation. It is a no op as it passes message + * invocations onto the next invoker in the chain. + * + * * @version $Rev$ + */ +public class RuntimeSCABindingInvoker implements Interceptor { + + private Invoker next; + + public RuntimeSCABindingInvoker(Invoker invoker) { + this.next = invoker; + } + + public void setNext(Invoker next) { + this.next = next; + } + + public Invoker getNext() { + return next; + } + + public Message invoke(Message msg) { + return next.invoke(msg); + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java new file mode 100644 index 0000000000..3909c7ef4a --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java @@ -0,0 +1,57 @@ +/* + * 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.sca.impl; + +import org.apache.tuscany.sca.assembly.SCABinding; +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.ReferenceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; + +/** + * The local SCA Binding provider implementation. It is not currently used. + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCABindingProvider implements ReferenceBindingProvider { + + private RuntimeComponentReference reference; + + public RuntimeSCABindingProvider(RuntimeComponent component, RuntimeComponentReference reference, SCABinding binding) { + this.reference = reference; + } + + public InterfaceContract getBindingInterfaceContract() { + return reference.getInterfaceContract(); + } + + public Invoker createInvoker(Operation operation, boolean isCallback) { + return null; + } + + public void start() { + } + + public void stop() { + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java new file mode 100644 index 0000000000..23e68340fc --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java @@ -0,0 +1,62 @@ +/* + * 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.sca.impl; + +import org.apache.tuscany.sca.assembly.SCABinding; +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.RuntimeComponentService; + +/** + * The factory for creating SCA Binding providers + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCABindingProviderFactory implements BindingProviderFactory<SCABinding> { + + private ExtensionPointRegistry extensionPoints; + + public RuntimeSCABindingProviderFactory(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, + RuntimeComponentReference reference, + SCABinding binding) { + + return new RuntimeSCAReferenceBindingProvider(extensionPoints, component, reference, binding); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + SCABinding binding) { + return new RuntimeSCAServiceBindingProvider(extensionPoints, component, service, binding); + } + + public Class<SCABinding> getModelType() { + return SCABinding.class; + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java new file mode 100644 index 0000000000..3c33449fa4 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java @@ -0,0 +1,239 @@ +/* + * 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.sca.impl; + +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.assembly.WireableBinding; +import org.apache.tuscany.sca.binding.sca.DistributedSCABinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.distributed.domain.DistributedSCADomain; +import org.apache.tuscany.sca.distributed.management.ServiceDiscovery; +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.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider2; +import org.apache.tuscany.sca.runtime.EndpointReference; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +/** + * The sca reference binding provider mediates between the twin requirements of + * local sca bindings and remote sca bindings. In the local case is does + * very little. When the sca binding model is set as being remote (because a + * reference target can't be resolved in the current model) this binding will + * try and create a remote connection to it + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCAReferenceBindingProvider implements ReferenceBindingProvider2 { + + private ExtensionPointRegistry extensionPoints; + private RuntimeComponent component; + private RuntimeComponentReference reference; + private SCABinding binding; + private boolean started = false; + + private BindingProviderFactory<DistributedSCABinding> distributedProviderFactory = null; + private ReferenceBindingProvider2 distributedProvider = null; + private DistributedSCADomain distributedDomain = null; + + public RuntimeSCAReferenceBindingProvider(ExtensionPointRegistry extensionPoints, + RuntimeComponent component, + RuntimeComponentReference reference, + SCABinding binding) { + this.extensionPoints = extensionPoints; + this.component = component; + this.reference = reference; + this.binding = binding; + + // look to see if a distributed SCA binding implementation has + // been included on the classpath. This will be needed by the + // provider itself to do it's thing + ProviderFactoryExtensionPoint factoryExtensionPoint = + extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + distributedProviderFactory = + (BindingProviderFactory<DistributedSCABinding>)factoryExtensionPoint + .getProviderFactory(DistributedSCABinding.class); + + // Get the distributed domain + distributedDomain = ((SCABindingImpl)binding).getDistributedDomain(); + + // determine if the target is remote. If we can tell now then this will + // do some initialization before we get to run time + isTargetRemote(); + } + + + public boolean isTargetRemote() { + boolean targetIsRemote = false; + + // first look at the target service and see if this has been resolved + if (((WireableBinding)binding).getTargetComponentService() != null ) { + if (((WireableBinding)binding).getTargetComponentService().isUnresolved() == true ) { + targetIsRemote = true; + } else { + targetIsRemote = false; + } + } else { + // if no target is found then this could be a completely dynamic + // reference, e.g. a callback, so check the domain to see if the service is available + // at this node. The binding uri might be null here if the dynamic reference has been + // fully configured yet. It won't have all of the information until invocation time + if ((distributedDomain != null) && + (binding.getURI() != null) ) { + ServiceDiscovery serviceDiscovery = distributedDomain.getServiceDiscovery(); + + String serviceUrl = serviceDiscovery.findServiceEndpoint(distributedDomain.getDomainName(), + binding.getURI(), + SCABinding.class.getName()); + if (serviceUrl == null) { + targetIsRemote = false; + } else { + targetIsRemote = true; + } + + } + } + + // if we think the target is remote check that everything is configured correctly + if (targetIsRemote) { + // initialize the remote provider if it hasn't been done already + if (distributedProvider == null) { + if (!reference.getInterfaceContract().getInterface().isRemotable()) { + throw new IllegalStateException("Reference interface not remoteable for component: "+ + component.getName() + + " and reference: " + + reference.getName()); + } + + if (distributedProviderFactory == null) { + throw new IllegalStateException("No distributed SCA binding available for component: "+ + component.getName() + + " and reference: " + + reference.getName()); + } + + if (distributedDomain == null) { + throw new IllegalStateException("No distributed domain available for component: "+ + component.getName() + + " and reference: " + + reference.getName()); + } + + // create the remote provider + DistributedSCABinding distributedBinding = new DistributedSCABindingImpl(); + distributedBinding.setSCABinging(binding); + + distributedProvider = + (ReferenceBindingProvider2)distributedProviderFactory + .createReferenceBindingProvider(component, reference, distributedBinding); + } + } + + return targetIsRemote; + } + + public InterfaceContract getBindingInterfaceContract() { + if (isTargetRemote()) { + return distributedProvider.getBindingInterfaceContract(); + } else { + return reference.getInterfaceContract(); + } + } + + public boolean supportsAsyncOneWayInvocation() { + if (isTargetRemote()) { + return distributedProvider.supportsAsyncOneWayInvocation(); + } else { + return false; + } + } + + /** + * @param wire + */ + private Invoker getInvoker(RuntimeWire wire, Operation operation) { + EndpointReference target = wire.getTarget(); + if (target != null) { + RuntimeComponentService service = (RuntimeComponentService)target.getContract(); + if (service != null) { // not a callback wire + SCABinding scaBinding = service.getBinding(SCABinding.class); + return service.getInvoker(scaBinding, wire.getSource().getInterfaceContract(), operation); + } + } + return null; + } + + public Invoker createInvoker(Operation operation) { + if (isTargetRemote()) { + return distributedProvider.createInvoker(operation); + } else { + RuntimeWire wire = reference.getRuntimeWire(binding); + Invoker invoker = getInvoker(wire, operation); + if (invoker == null) { + throw new IllegalStateException("No service invoker"); + } + return new RuntimeSCABindingInvoker(invoker); + } + } + + @Deprecated + public Invoker createInvoker(Operation operation, boolean isCallback) { + if (isCallback) { + throw new UnsupportedOperationException(); + } else { + return createInvoker(operation); + } + } + + public void start() { + if (started) { + return; + } else { + started = true; + } + +// ComponentService service = ((WireableBinding)binding).getTargetComponentService(); +// if (service != null) { +// RuntimeWire wire = reference.getRuntimeWire(binding); +// InterfaceContract interfaceContract = service.getInterfaceContract(); +// boolean dynamicService = interfaceContract.getInterface().isDynamic(); +// if (!dynamicService) { +// wire.getTarget().setInterfaceContract(interfaceContract); +// } +// } + + if (distributedProvider != null) { + distributedProvider.start(); + } + } + + public void stop() { + if (distributedProvider != null) { + distributedProvider.stop(); + } + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java new file mode 100644 index 0000000000..f10da1005f --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java @@ -0,0 +1,141 @@ +/* + * 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.sca.impl; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.assembly.WireableBinding; +import org.apache.tuscany.sca.binding.sca.DistributedSCABinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.distributed.domain.DistributedSCADomain; +import org.apache.tuscany.sca.distributed.management.ServiceDiscovery; +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.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ServiceBindingProvider2; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * The sca service binding provider mediates between the twin requirements of + * local sca bindings and remote sca bindings. In the local case is does + * very little. When the sca binding model is set as being remote this binding will + * try and create a remote service endpoint for remote references to connect to + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCAServiceBindingProvider implements ServiceBindingProvider2 { + + private RuntimeComponentService service; + private BindingProviderFactory<DistributedSCABinding> distributedProviderFactory; + private ServiceBindingProvider2 distributedProvider; + private DistributedSCABinding distributedBinding; + + public RuntimeSCAServiceBindingProvider(ExtensionPointRegistry extensionPoints, + RuntimeComponent component, + RuntimeComponentService service, + SCABinding binding) { + this.service = service; + // if there is potentially a wire to this service that crosses the node boundary + if (((WireableBinding)binding).isRemote()) { + // look to see if a distributed SCA binding implementation has + // been included on the classpath. This will be needed by the + // provider itself to do it's thing + ProviderFactoryExtensionPoint factoryExtensionPoint = + extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + distributedProviderFactory = + (BindingProviderFactory<DistributedSCABinding>)factoryExtensionPoint + .getProviderFactory(DistributedSCABinding.class); + + // Check the things that will generally be required to set up a + // distributed sca domain reference provider. I.e. make sure that we have a + // - distributed implementation of the sca binding available + // - distributed domain in which to look for remote endpoints + // - remotable interface on the service + if (distributedProviderFactory != null) { + if (((SCABindingImpl)binding).getDistributedDomain() != null) { + if (!service.getInterfaceContract().getInterface().isRemotable()) { + throw new IllegalStateException("Reference interface not remoteable for component: "+ + component.getName() + + " and service: " + + service.getName()); + } + + // create a nested provider to handle the remote case + distributedBinding = new DistributedSCABindingImpl(); + distributedBinding.setSCABinging(binding); + + distributedProvider = (ServiceBindingProvider2) + distributedProviderFactory.createServiceBindingProvider(component, service, distributedBinding); + + + } else { + /* do nothing at the moment as only apps using the node implementation + * will currently have the distributed domain set. + * + throw new IllegalStateException("No distributed domain available for component: "+ + component.getName() + + " and service: " + + service.getName()); + */ + } + } else { + /* do nothing at the moment as all services with remotable interfaces + * are marked as remote + throw new IllegalStateException("No distributed SCA binding available for component: "+ + component.getName() + + " and service: " + + service.getName()); + */ + } + } + } + + public InterfaceContract getBindingInterfaceContract() { + if (distributedProvider != null){ + return distributedProvider.getBindingInterfaceContract(); + } else { + return service.getInterfaceContract(); + } + } + + public boolean supportsAsyncOneWayInvocation() { + return false; + } + + public Invoker createCallbackInvoker(Operation operation) { + throw new UnsupportedOperationException(); + } + + public void start() { + + if (distributedProvider != null) { + distributedProvider.start(); + } + } + + public void stop() { + if (distributedProvider != null) { + distributedProvider.stop(); + } + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingFactoryImpl.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingFactoryImpl.java new file mode 100644 index 0000000000..666c264e2e --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingFactoryImpl.java @@ -0,0 +1,36 @@ +/* + * 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.sca.impl; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.assembly.SCABindingFactory; + +/** + * A factory for the SCA binding model. + * + * @version $Rev$ $Date$ + */ +public class SCABindingFactoryImpl implements SCABindingFactory { + + public SCABinding createSCABinding() { + return new SCABindingImpl(); + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingImpl.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingImpl.java new file mode 100644 index 0000000000..c2244690ca --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingImpl.java @@ -0,0 +1,204 @@ +/* + * 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.sca.impl; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Extensible; +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.assembly.WireableBinding; +import org.apache.tuscany.sca.distributed.domain.DistributedSCADomain; + +/** + * he assemly mode object for an SCA binding. + * + * @version $Rev$ $Date$ + */ +public class SCABindingImpl implements SCABinding, Extensible, WireableBinding { + private String name; + private String uri; + private List<Object> extensions = new ArrayList<Object>(); + + private Component targetComponent; + private ComponentService targetComponentService; + private Binding targetBinding; + private boolean isRemote = false; + + private DistributedSCADomain distributedDomain; + + /** + * Constructs a new SCA binding. + */ + protected SCABindingImpl() { + } + + // SCA Binding operations + + /** + * Setters for the binding name. Defaults to the + * name of the service or reference with which the binding is + * associated + * + * @return the biniding name + */ + public String getName() { + return name; + } + + /** + * Setter for the binding name + * + * @param name the binding name + */ + public void setName(String name) { + this.name = name; + } + + /** + * Getters for the binding URI. The computed URI for the + * service that the reference is targetting or which the service represents + * depending on whether the biding is associated with a reference or + * service + * + * @return the binding uri + */ + public String getURI() { + return uri; + } + + /** + * Setter for the binding uri + * + * @para uri the binding uri + */ + public void setURI(String uri) { + this.uri = uri; + } + + /** + * Returns a list of extension objects contained in this model object. + * + * @return a list of extension objects container in this model object + */ + public List<Object> getExtensions() { + return extensions; + } + + /** + * Returns true if the model element is unresolved. + * + * @return true if the model element is unresolved. + */ + public boolean isUnresolved() { + return false; + } + + /** + * Sets whether the model element is unresolved. + * + * @param unresolved whether the model element is unresolved + */ + public void setUnresolved(boolean unresolved) { + } + + /** + * @see java.lang.Object#clone() + */ + @Override + public Object clone() throws CloneNotSupportedException { + return super.clone(); + } + + // Wireable binding operations + + /** + * @return the targetComponent + */ + public Component getTargetComponent() { + return targetComponent; + } + + /** + * @param targetComponent the targetComponent to set + */ + public void setTargetComponent(Component targetComponent) { + this.targetComponent = targetComponent; + } + + /** + * @return the targetComponentService + */ + public ComponentService getTargetComponentService() { + return targetComponentService; + } + + /** + * @param targetComponentService the targetComponentService to set + */ + public void setTargetComponentService(ComponentService targetComponentService) { + this.targetComponentService = targetComponentService; + } + + /** + * @return the targetBinding + */ + public Binding getTargetBinding() { + return targetBinding; + } + + /** + * @param targetBinding the targetBinding to set + */ + public void setTargetBinding(Binding targetBinding) { + this.targetBinding = targetBinding; + } + + /** + * If a reference targets a component running in a separate + * node then its binding will be set remote to kick + * off runtime resolution + * + * @param isRemote + */ + public void setRemote(boolean isRemote){ + this.isRemote = isRemote; + } + + /** + * @return the flag indicating whether the binding targets a remote component + */ + public boolean isRemote(){ + return isRemote; + } + + // Operations needed by the distributed SCA binding + // TODO - these are really runtime reference so need a better place for them + + public void setDistributedDomain(DistributedSCADomain distributedDomain){ + this.distributedDomain = distributedDomain; + } + + public DistributedSCADomain getDistributedDomain(){ + return distributedDomain; + } +} |