diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:07:19 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:07:19 +0000 |
commit | 6fadbc9cd1fcf03d0b3630f772d91df149b70428 (patch) | |
tree | 32752e491abb97fc8ef4f246455e3b5fd2814862 /branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider | |
parent | 5559ef5edbf8d3616f7a4b497b2a459b0ee4082b (diff) |
Moving 1.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835123 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider')
8 files changed, 0 insertions, 663 deletions
diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java deleted file mode 100644 index 0f6a932c51..0000000000 --- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java +++ /dev/null @@ -1,60 +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.provider; - -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; - -/** - * A factory for creating the runtime artifacts that represent bindings. - * - * @version $Rev$ $Date$ - */ -public interface BindingProviderFactory<M extends Binding> extends ProviderFactory<M> { - - /** - * Creates a new reference binding provider for the given component and - * reference. - * - * @param component The runtime component - * @param reference The reference on the runtime component - * @param binding The binding assembly model object - * @return The binding provider - */ - ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, - RuntimeComponentReference reference, - M binding); - - /** - * Creates a new service binding provider for the given component and - * service. - * - * @param component The runtime component - * @param service The service on the runtime component - * @param binding The binding assembly model object - * @return The binding provider - */ - ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, - RuntimeComponentService service, - M binding); - -} diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java deleted file mode 100644 index 2452e3cf1a..0000000000 --- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java +++ /dev/null @@ -1,263 +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.provider; - -import java.io.IOException; -import java.lang.reflect.Constructor; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.assembly.Implementation; -import org.apache.tuscany.sca.contribution.util.ServiceConfigurationUtil; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; - -/** - * Default implementation of a provider factory extension point. - * - * @version $Rev$ $Date$ - */ -public class DefaultProviderFactoryExtensionPoint implements ProviderFactoryExtensionPoint { - - private ExtensionPointRegistry registry; - private final Map<Class<?>, ProviderFactory> providerFactories = new HashMap<Class<?>, ProviderFactory>(); - private boolean loaded; - - /** - * The default constructor. Does nothing. - * - */ - public DefaultProviderFactoryExtensionPoint(ExtensionPointRegistry registry) { - this.registry = registry; - } - - /** - * Add a provider factory. - * - * @param providerFactory The provider factory - */ - public void addProviderFactory(ProviderFactory providerFactory) { - providerFactories.put(providerFactory.getModelType(), providerFactory); - } - - /** - * Remove a provider factory. - * - * @param providerFactory The provider factory - */ - public void removeProviderFactory(ProviderFactory providerFactory) { - providerFactories.remove(providerFactory.getModelType()); - } - - /** - * Returns the provider factory associated with the given model type. - * @param modelType A model type - * @return The provider factory associated with the given model type - */ - public ProviderFactory getProviderFactory(Class<?> modelType) { - loadProviderFactories(); - - Class<?>[] classes = modelType.getInterfaces(); - for (Class<?> c : classes) { - ProviderFactory factory = providerFactories.get(c); - if (factory != null) { - return factory; - } - } - return providerFactories.get(modelType); - } - - /** - * Load provider factories declared under META-INF/services. - * @param registry - */ - private void loadProviderFactories() { - if (loaded) - return; - - loadProviderFactories(BindingProviderFactory.class); - loadProviderFactories(ImplementationProviderFactory.class); - - loaded = true; - } - - /** - * Load provider factories declared under META-INF/services. - * @param registry - * @param factoryClass - * @return - */ - private List<ProviderFactory> loadProviderFactories(Class<?> factoryClass) { - - // Get the provider factory service declarations - List<String> factoryDeclarations; - try { - ClassLoader classLoader = factoryClass.getClassLoader(); - factoryDeclarations = ServiceConfigurationUtil.getServiceClassNames(classLoader, factoryClass.getName()); - } catch (IOException e) { - throw new IllegalStateException(e); - } - - // Get the target extension point - ProviderFactoryExtensionPoint factoryExtensionPoint = registry.getExtensionPoint(ProviderFactoryExtensionPoint.class); - List<ProviderFactory> factories = new ArrayList<ProviderFactory>(); - - for (String factoryDeclaration: factoryDeclarations) { - Map<String, String> attributes = ServiceConfigurationUtil.parseServiceDeclaration(factoryDeclaration); - String className = attributes.get("class"); - - // Load an implementation provider factory - if (factoryClass == ImplementationProviderFactory.class) { - String modelTypeName = attributes.get("model"); - - // Create a provider factory wrapper and register it - ImplementationProviderFactory factory = new LazyImplementationProviderFactory(registry, modelTypeName, className); - factoryExtensionPoint.addProviderFactory(factory); - factories.add(factory); - - } else if (factoryClass == BindingProviderFactory.class) { - - // Load a binding provider factory - String modelTypeName = attributes.get("model"); - - // Create a provider factory wrapper and register it - BindingProviderFactory factory = new LazyBindingProviderFactory(registry, modelTypeName, className); - factoryExtensionPoint.addProviderFactory(factory); - factories.add(factory); - } - } - return factories; - } - - /** - * A wrapper around an implementation provider factory allowing lazy - * loading and initialization of implementation providers. - */ - private static class LazyBindingProviderFactory implements BindingProviderFactory { - - private ExtensionPointRegistry registry; - private String modelTypeName; - private String className; - private BindingProviderFactory factory; - private Class modelType; - - private LazyBindingProviderFactory(ExtensionPointRegistry registry, String modelTypeName, String className) { - this.registry = registry; - this.modelTypeName = modelTypeName; - this.className = className; - } - - @SuppressWarnings("unchecked") - private BindingProviderFactory getFactory() { - if (factory == null) { - try { - ClassLoader classLoader = BindingProviderFactory.class.getClassLoader(); - Class<BindingProviderFactory> factoryClass = (Class<BindingProviderFactory>)Class.forName(className, true, classLoader); - Constructor<BindingProviderFactory> constructor = factoryClass.getConstructor(ExtensionPointRegistry.class); - factory = constructor.newInstance(registry); - } catch (Exception e) { - throw new IllegalStateException(e); - } - } - return factory; - } - - @SuppressWarnings("unchecked") - public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, Binding binding) { - return getFactory().createReferenceBindingProvider(component, reference, binding); - } - - @SuppressWarnings("unchecked") - public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, Binding binding) { - return getFactory().createServiceBindingProvider(component, service, binding); - } - - public Class getModelType() { - if (modelType == null) { - try { - ClassLoader classLoader = BindingProviderFactory.class.getClassLoader(); - modelType = Class.forName(modelTypeName, true, classLoader); - } catch (Exception e) { - throw new IllegalStateException(e); - } - } - return modelType; - } - - } - - /** - * A wrapper around an implementation provider factory allowing lazy - * loading and initialization of implementation providers. - */ - private class LazyImplementationProviderFactory implements ImplementationProviderFactory { - - private ExtensionPointRegistry registry; - private String modelTypeName; - private String className; - private ImplementationProviderFactory factory; - private Class modelType; - - private LazyImplementationProviderFactory(ExtensionPointRegistry registry, String modelTypeName, String className) { - this.registry = registry; - this.modelTypeName = modelTypeName; - this.className = className; - } - - @SuppressWarnings("unchecked") - private ImplementationProviderFactory getFactory() { - if (factory == null) { - try { - ClassLoader classLoader = ImplementationProviderFactory.class.getClassLoader(); - Class<ImplementationProviderFactory> factoryClass = (Class<ImplementationProviderFactory>)Class.forName(className, true, classLoader); - Constructor<ImplementationProviderFactory> constructor = factoryClass.getConstructor(ExtensionPointRegistry.class); - factory = constructor.newInstance(registry); - } catch (Exception e) { - throw new IllegalStateException(e); - } - } - return factory; - } - - @SuppressWarnings("unchecked") - public ImplementationProvider createImplementationProvider(RuntimeComponent component, Implementation Implementation) { - return getFactory().createImplementationProvider(component, Implementation); - } - - public Class getModelType() { - if (modelType == null) { - try { - ClassLoader classLoader = ImplementationProviderFactory.class.getClassLoader(); - modelType = Class.forName(modelTypeName, true, classLoader); - } catch (Exception e) { - throw new IllegalStateException(e); - } - } - return modelType; - } - - } - -} diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java deleted file mode 100644 index 015c673d66..0000000000 --- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java +++ /dev/null @@ -1,68 +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.provider; - -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; - -/** - * A component implementation can implement this interface in order to tie - * into the Tuscany runtime - * - * @version $Rev$ $Date$ - */ -public interface ImplementationProvider { - - /** - * This method will be invoked when the component implementation - * is activated. - */ - void start(); - - /** - * This method will be invoked when the component implementation - * is deactivated. - */ - void stop(); - - /** - * Create an invoker for the component implementation in the invocation - * chain. The invoker will be responsible for calling the implementation - * logic for the given component. - * - * @param service The component service - * @param operation The operation that the interceptor will handle - * @return An invoker that handles the invocation logic, null should be - * returned if no invoker is required - */ - Invoker createInvoker(RuntimeComponentService service, Operation operation); - - /** - * For bindings that invoke one-way callback operations asynchronously, - * there is no need to perform a thread switch before calling the invoker. - * This method indicates whether the binding has this capability. - * - * @return true if the callback invoker is able to invoke one-way operations - * asynchronously, false if all invocations are synchronous - */ - boolean supportsOneWayInvocation(); - -} diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java deleted file mode 100644 index 6a37d1e951..0000000000 --- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java +++ /dev/null @@ -1,42 +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.provider; - -import org.apache.tuscany.sca.assembly.Implementation; -import org.apache.tuscany.sca.runtime.RuntimeComponent; - -/** - * An interface for factories that create implementation providers. - * - * @version $Rev$ $Date$ - */ -public interface ImplementationProviderFactory<M extends Implementation> extends ProviderFactory<M> { - - /** - * Creates a new implementation provider for the given - * component. - * - * @param component The runtime component - * @param Implementation The implementation type - * @return The implementation provider - */ - ImplementationProvider createImplementationProvider(RuntimeComponent component, M Implementation); - -} diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java deleted file mode 100644 index 2102806881..0000000000 --- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java +++ /dev/null @@ -1,36 +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.provider; - -/** - * A factory for runtime providers. - * - * @version $Rev$ $Date$ - */ -public interface ProviderFactory<M> { - - /** - * The model type that this factory creates providers for. - * - * @return the model type - */ - Class<M> getModelType(); - -} diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java deleted file mode 100644 index 5e781dd5b3..0000000000 --- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java +++ /dev/null @@ -1,55 +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.provider; - - -/** - * An extension point for provider factories. Holds all of the provider - * factories from loaded extension points. Allows a provider factory - * to be located based on a given model type. Hence the runtime can - * generate runtime artifacts from the in memory assembly model. - * - * @version $Rev$ $Date$ - */ -public interface ProviderFactoryExtensionPoint { - - - /** - * Add a provider factory. - * - * @param providerFactory The provider factory - */ - void addProviderFactory(ProviderFactory providerFactory); - - /** - * Remove a provider factory. - * - * @param providerFactory The provider factory - */ - void removeProviderFactory(ProviderFactory providerFactory); - - /** - * Returns the provider factory associated with the given model type. - * @param modelType A model type - * @return The provider factory associated with the given model type - */ - ProviderFactory getProviderFactory(Class<?> modelType); - -} diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java deleted file mode 100644 index b3ab1d8b87..0000000000 --- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java +++ /dev/null @@ -1,76 +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.provider; - -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Invoker; - -/** - * A reference binding implementation can options implement this - * interface to tie into the Tuscany SCA runtime - * - * @version $Rev$ $Date$ - */ -public interface ReferenceBindingProvider { - - /** - * This method will be invoked when the component reference binding is - * activated. - */ - void start(); - - /** - * This method will be invoked when the component reference binding is - * deactivated. - */ - void stop(); - - /** - * Create an invoker for the reference binding in the invocation chain. The - * invoker is responsible for making the outbound invocation over the - * binding protocol. - * - * @param operation The operation that the interceptor will handle - * @return An invoker that handles the invocation logic, null should be - * returned if no invoker is required - */ - Invoker createInvoker(Operation operation); - - /** - * Get the effective interface contract imposed by the binding. For example, - * it will be interface contract introspected from the WSDL portType used by - * the endpoint for a WebService binding. - * - * @return The effective interface contract, if null is returned, the - * interface contract for the component reference will be used - */ - InterfaceContract getBindingInterfaceContract(); - - /** - * For bindings that invoke one-way operations asynchronously, there is no - * need to perform a thread switch before calling the invoker. This method - * indicates whether the binding has this capability. - * - * @return true if the binding invoker is able to invoke one-way operations - * asynchronously, false if all invocations are synchronous - */ - boolean supportsOneWayInvocation(); -} diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java deleted file mode 100644 index e15234a549..0000000000 --- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java +++ /dev/null @@ -1,63 +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.provider; - -import org.apache.tuscany.sca.interfacedef.InterfaceContract; - -/** - * A service binding can optionally implement this interface to tie - * into the Tuscany SCA runtime - * - * @version $Rev$ $Date$ - */ -public interface ServiceBindingProvider { - /** - * This method will be invoked when the component service binding is - * activated. - */ - void start(); - - /** - * This method will be invoked when the component service binding is - * deactivated. - */ - void stop(); - - /** - * Get the effective interface contract imposed by the binding. For example, - * it will be interface contract introspected from the WSDL portType used by - * the endpoint for a WebService binding. - * - * @return The effective interface contract, if null is returned, the - * interface contract for the component service will be used - */ - InterfaceContract getBindingInterfaceContract(); - - /** - * For bindings that invoke one-way callback operations asynchronously, - * there is no need to perform a thread switch before calling the invoker. - * This method indicates whether the binding has this capability. - * - * @return true if the callback invoker is able to invoke one-way operations - * asynchronously, false if all invocations are synchronous - */ - boolean supportsOneWayInvocation(); - -} |