diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node')
6 files changed, 611 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAClient.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAClient.java new file mode 100644 index 0000000000..f390e8881e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAClient.java @@ -0,0 +1,71 @@ +/* + * 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.node; + +import org.osoa.sca.CallableReference; +import org.osoa.sca.ServiceReference; + + +/** + * Provides client access to the services in a domain. + * + * @version $Rev$ $Date$ + */ +public interface SCAClient { + + /** + * Cast a type-safe reference to a CallahbleReference. Converts a type-safe + * reference to an equivalent CallableReference; if the target refers to a + * service then a ServiceReference will be returned, if the target refers to + * a callback then a CallableReference will be returned. + * + * @param target a reference proxy provided by the SCA runtime + * @param <B> the Java type of the business interface for the reference + * @param <R> the type of reference to be returned + * @return a CallableReference equivalent for the proxy + * @throws IllegalArgumentException if the supplied instance is not a + * reference supplied by the SCA runtime + */ + <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException; + + /** + * Returns a proxy for a service provided by a component in the SCA domain. + * + * @param businessInterface the interface that will be used to invoke the + * service + * @param serviceName the name of the service + * @param <B> the Java type of the business interface for the service + * @return an object that implements the business interface + */ + <B> B getService(Class<B> businessInterface, String serviceName); + + /** + * Returns a ServiceReference for a service provided by a component in the + * SCA domain. + * + * @param businessInterface the interface that will be used to invoke the + * service + * @param serviceName the name of the service + * @param <B> the Java type of the business interface for the service + * @return a ServiceReference for the designated service + */ + <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String serviceName); + +}
\ No newline at end of file diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAContribution.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAContribution.java new file mode 100644 index 0000000000..de7f352122 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAContribution.java @@ -0,0 +1,54 @@ +/* + * 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.node; + +/** + * Represents an SCA contribution uri + location. + */ +public final class SCAContribution { + private String uri; + private String location; + + /** + * Constructs a new SCA contribution. + * + * @param uri The URI that uniquely identifies the contribution in the SCA domain + * @param location The URL of the contribution archive + */ + public SCAContribution(String uri, String location) { + this.uri = uri; + this.location = location; + } + + /** + * Get the URI of the contribution + * @return The URI that uniquely identifies the contribution in the SCA domain + */ + public String getURI() { + return uri; + } + + /** + * The location of the contribution + * @return The URL of the contribution archive + */ + public String getLocation() { + return location; + } +}
\ No newline at end of file diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java new file mode 100644 index 0000000000..fea749a57c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java @@ -0,0 +1,42 @@ +/* + * 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.node; + + + +/** + * Represents an SCA processing node. + * A node is loaded with an SCA composites. It can start and stop that composite. + * + * @version $Rev$ $Date$ + */ +public interface SCANode { + + /** + * Start the composite loaded in the node. + */ + void start(); + + /** + * Stop the composite loaded in the node. + */ + void stop(); + +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode2.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode2.java new file mode 100644 index 0000000000..a1d4ddb2b1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode2.java @@ -0,0 +1,33 @@ +/* + * 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.node; + + + +/** + * Represents an SCA processing node. + * A node is loaded with an SCA composites. It can start and stop that composite. + * + * @version $Rev$ $Date$ + * @deprecated Use SCANode instead + */ +@Deprecated +public interface SCANode2 extends SCANode { +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java new file mode 100644 index 0000000000..2b0dbc88eb --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java @@ -0,0 +1,203 @@ +/* + * 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.node; + +import java.lang.reflect.InvocationTargetException; + +import org.osoa.sca.CallableReference; +import org.osoa.sca.ServiceReference; +import org.osoa.sca.ServiceRuntimeException; + +/** + * A factory for SCA processing nodes. An SCA processing node can be loaded + * with an SCA composite and the SCA contributions required by the composite. + * + * @version $Rev$ $Date$ + * @deprecated Use SCANodeFactory + */ +@Deprecated +public abstract class SCANode2Factory { + + public static class NodeProxy implements SCANode2, SCAClient { + private Object node; + + private NodeProxy(Object node) { + super(); + this.node = node; + } + + public static <T> T createProxy(Class<T> type, Object node) { + try { + return type.getDeclaredConstructor(Object.class).newInstance(node); + } catch (Exception e) { + throw new IllegalArgumentException(e); + } + } + + public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException { + try { + return (R)node.getClass().getMethod("cast", Object.class).invoke(node, target); + } catch (Throwable e) { + handleException(e); + return null; + } + } + + public <B> B getService(Class<B> businessInterface, String serviceName) { + try { + return (B)node.getClass().getMethod("getService", Class.class, String.class).invoke(node, + businessInterface, + serviceName); + } catch (Throwable e) { + handleException(e); + return null; + } + } + + public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String serviceName) { + try { + return (ServiceReference<B>)node.getClass().getMethod("getServiceReference", Class.class, String.class) + .invoke(node, businessInterface, serviceName); + } catch (Throwable e) { + handleException(e); + return null; + } + } + + public void start() { + try { + node.getClass().getMethod("start").invoke(node); + } catch (Throwable e) { + handleException(e); + } + } + + public void stop() { + try { + node.getClass().getMethod("stop").invoke(node); + } catch (Throwable e) { + handleException(e); + } + } + + private static void handleException(Throwable ex) { + if (ex instanceof InvocationTargetException) { + ex = ((InvocationTargetException)ex).getTargetException(); + } + if (ex instanceof RuntimeException) { + throw (RuntimeException)ex; + } + if (ex instanceof Error) { + throw (Error)ex; + } else { + throw new RuntimeException(ex); + } + } + + } + + /** + * Returns a new SCA node factory instance. + * + * @return a new SCA node factory + */ + public static SCANode2Factory newInstance() { + SCANode2Factory scaNodeFactory = null; + + try { + final ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); + // Use reflection APIs to call ServiceDiscovery to avoid hard dependency to tuscany-extensibility + try { + Class<?> discoveryClass = + Class.forName("org.apache.tuscany.sca.extensibility.ServiceDiscovery", true, classLoader); + Object instance = discoveryClass.getMethod("getInstance").invoke(null); + Class<?> factoryImplClass = + (Class<?>)discoveryClass.getMethod("loadFirstServiceClass", Class.class) + .invoke(instance, SCANode2Factory.class); + if (factoryImplClass != null) { + scaNodeFactory = (SCANode2Factory)factoryImplClass.newInstance(); + return scaNodeFactory; + } + } catch (ClassNotFoundException e) { + // Ignore + } + + // Fail back to default impl + String className = "org.apache.tuscany.sca.node.impl.Node2FactoryImpl"; + + Class<?> cls = Class.forName(className, true, classLoader); + scaNodeFactory = (SCANode2Factory)cls.newInstance(); + return scaNodeFactory; + + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + /** + * Create a SCA node based on the discovery of the contribution on the classpath for the + * given classloader. This method should be treated a convinient shortcut with the following + * assumptions: + * <ul> + * <li>This is a standalone application and there is a deployable composite file on the classpath. + * <li>There is only one contribution which contains the deployable composite file physically in its packaging hierarchy. + * </ul> + * @param compositeURI The URI of the composite file relative to the root of the enclosing contribution + * @param classLoader The ClassLoader used to load the composite file as a resource. If the value is null, + * then thread context classloader will be used + * @return A newly created SCA node + */ + public abstract SCANode2 createSCANodeFromClassLoader(String compositeURI, ClassLoader classLoader); + + /** + * Creates a new SCA node from the configuration URL + * + * @param configurationURL the URL of the node configuration which is the ATOM feed + * that contains the URI of the composite and a collection of URLs for the contributions + * + * @return a new SCA node. + */ + public abstract SCANode2 createSCANodeFromURL(String configurationURL); + + /** + * Creates a new SCA node. + * + * @param compositeURI the URI of the composite to use + * @param contributions the URI of the contributions that provides the composites and related + * artifacts. If the list is empty, then we will use the thread context classloader to discover + * the contribution on the classpath + * + * @return a new SCA node. + */ + public abstract SCANode2 createSCANode(String compositeURI, SCAContribution... contributions); + + /** + * Creates a new SCA node. + * + * @param compositeURI the URI of the composite to use + * @param compositeContent the XML content of the composite to use + * @param contributions the URI of the contributions that provides the composites and related artifacts + * @return a new SCA node. + */ + public abstract SCANode2 createSCANode(String compositeURI, + String compositeContent, + SCAContribution... contributions); + +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java new file mode 100644 index 0000000000..e60d8238d3 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java @@ -0,0 +1,208 @@ +/* + * 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.node; + +import java.lang.reflect.InvocationTargetException; + +import org.osoa.sca.CallableReference; +import org.osoa.sca.ServiceReference; +import org.osoa.sca.ServiceRuntimeException; + +/** + * A factory for SCA processing nodes. An SCA processing node can be loaded + * with an SCA composite and the SCA contributions required by the composite. + * + * @version $Rev$ $Date$ + */ +public abstract class SCANodeFactory { + + public static class NodeProxy implements SCANode, SCAClient { + private Object node; + + private NodeProxy(Object node) { + super(); + this.node = node; + } + + public static <T> T createProxy(Class<T> type, Object node) { + try { + return type.getDeclaredConstructor(Object.class).newInstance(node); + } catch (Exception e) { + throw new IllegalArgumentException(e); + } + } + + public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException { + try { + return (R)node.getClass().getMethod("cast", Object.class).invoke(node, target); + } catch (Throwable e) { + handleException(e); + return null; + } + } + + public <B> B getService(Class<B> businessInterface, String serviceName) { + try { + return (B)node.getClass().getMethod("getService", Class.class, String.class).invoke(node, + businessInterface, + serviceName); + } catch (Throwable e) { + handleException(e); + return null; + } + } + + public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String serviceName) { + try { + return (ServiceReference<B>)node.getClass().getMethod("getServiceReference", Class.class, String.class) + .invoke(node, businessInterface, serviceName); + } catch (Throwable e) { + handleException(e); + return null; + } + } + + public void start() { + try { + node.getClass().getMethod("start").invoke(node); + } catch (Throwable e) { + handleException(e); + } + } + + public void stop() { + try { + node.getClass().getMethod("stop").invoke(node); + } catch (Throwable e) { + handleException(e); + } + } + + private static void handleException(Throwable ex) { + if (ex instanceof InvocationTargetException) { + ex = ((InvocationTargetException)ex).getTargetException(); + } + if (ex instanceof RuntimeException) { + throw (RuntimeException)ex; + } + if (ex instanceof Error) { + throw (Error)ex; + } else { + throw new RuntimeException(ex); + } + } + + } + + /** + * Returns a new SCA node factory instance. + * + * @return a new SCA node factory + */ + public static SCANodeFactory newInstance() { + SCANodeFactory scaNodeFactory = null; + + try { + // final ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); + // Use reflection APIs to call ServiceDiscovery to avoid hard dependency to tuscany-extensibility + try { + Class<?> discoveryClass = + Class.forName("org.apache.tuscany.sca.extensibility.ServiceDiscovery"); + Object instance = discoveryClass.getMethod("getInstance").invoke(null); + Class<?> factoryImplClass = + (Class<?>)discoveryClass.getMethod("loadFirstServiceClass", Class.class) + .invoke(instance, SCANodeFactory.class); + if (factoryImplClass != null) { + scaNodeFactory = (SCANodeFactory)factoryImplClass.newInstance(); + return scaNodeFactory; + } + } catch (ClassNotFoundException e) { + // Ignore + } + + // Fail back to default impl + String className = "org.apache.tuscany.sca.node.impl.NodeFactoryImpl"; + + Class<?> cls = Class.forName(className); + scaNodeFactory = (SCANodeFactory)cls.newInstance(); + return scaNodeFactory; + + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + /** + * Create a SCA node based on the discovery of the contribution on the classpath. + * + * @return a new SCA node. + */ + public abstract SCANode createSCANode(); + + /** + * Create a SCA node based on the discovery of the contribution on the classpath for the + * given classloader. This method should be treated a convinient shortcut with the following + * assumptions: + * <ul> + * <li>This is a standalone application and there is a deployable composite file on the classpath. + * <li>There is only one contribution which contains the deployable composite file physically in its packaging hierarchy. + * </ul> + * @param compositeURI The URI of the composite file relative to the root of the enclosing contribution + * @param classLoader The ClassLoader used to load the composite file as a resource. If the value is null, + * then thread context classloader will be used + * @return A newly created SCA node + */ + public abstract SCANode createSCANodeFromClassLoader(String compositeURI, ClassLoader classLoader); + + /** + * Creates a new SCA node from the configuration URL + * + * @param configurationURL the URL of the node configuration which is the ATOM feed + * that contains the URI of the composite and a collection of URLs for the contributions + * + * @return a new SCA node. + */ + public abstract SCANode createSCANodeFromURL(String configurationURL); + + /** + * Creates a new SCA node. + * + * @param compositeURI the URI of the composite to use + * @param contributions the URI of the contributions that provides the composites and related + * artifacts. If the list is empty, then we will use the thread context classloader to discover + * the contribution on the classpath + * + * @return a new SCA node. + */ + public abstract SCANode createSCANode(String compositeURI, SCAContribution... contributions); + + /** + * Creates a new SCA node. + * + * @param compositeURI the URI of the composite to use + * @param compositeContent the XML content of the composite to use + * @param contributions the URI of the contributions that provides the composites and related artifacts + * @return a new SCA node. + */ + public abstract SCANode createSCANode(String compositeURI, + String compositeContent, + SCAContribution... contributions); + +} |