From efe3363a815a777ecd283928900404dea84a7e1f Mon Sep 17 00:00:00 2001 From: jsdelfino Date: Thu, 9 Oct 2008 06:33:54 +0000 Subject: Work in progress. Fixed implementation of NodeImpl, now working without dependencies on implementations from other bundles (except RuntimeAssemblyFactory, which will need to be cleaned up too). Started to remove dependencies on host-embedded and port code to NodeFactory and Node, as an interim step to bring them up, before porting them to the OSGi-enabled node launcher. git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@703068 13f79535-47bb-0310-9956-ffa450edef68 --- .../java/org/apache/tuscany/sca/node/Client.java | 71 ++++++++ .../org/apache/tuscany/sca/node/Contribution.java | 54 ++++++ .../sca/node/ContributionLocationHelper.java | 49 ++++++ .../java/org/apache/tuscany/sca/node/Node.java | 47 +++++ .../org/apache/tuscany/sca/node/NodeFactory.java | 192 +++++++++++++++++++++ .../org/apache/tuscany/sca/node/SCAClient.java | 71 -------- .../apache/tuscany/sca/node/SCAContribution.java | 54 ------ .../java/org/apache/tuscany/sca/node/SCANode.java | 42 ----- .../apache/tuscany/sca/node/SCANodeFactory.java | 184 -------------------- 9 files changed, 413 insertions(+), 351 deletions(-) create mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Client.java create mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Contribution.java create mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java create mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java create mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeFactory.java delete mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAClient.java delete mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAContribution.java delete mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java delete mode 100644 branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java (limited to 'branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca') diff --git a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Client.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Client.java new file mode 100644 index 0000000000..8ca5262eff --- /dev/null +++ b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Client.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 Client { + + /** + * 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 the Java type of the business interface for the reference + * @param 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 + */ + > 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 the Java type of the business interface for the service + * @return an object that implements the business interface + */ + B getService(Class 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 the Java type of the business interface for the service + * @return a ServiceReference for the designated service + */ + ServiceReference getServiceReference(Class businessInterface, String serviceName); + +} \ No newline at end of file diff --git a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Contribution.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Contribution.java new file mode 100644 index 0000000000..f69e18dc63 --- /dev/null +++ b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Contribution.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 Contribution { + 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 Contribution(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/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java new file mode 100644 index 0000000000..74ebe556bc --- /dev/null +++ b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java @@ -0,0 +1,49 @@ +/* + * 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.net.URL; +import java.security.AccessController; +import java.security.PrivilegedAction; + +/** + * ContributionLocationHelper + * + * @version $Rev: $ $Date: $ + */ +public class ContributionLocationHelper { + + /** + * Returns the location of the SCA contribution containing the given class. + * + * @param anchorClass + * @return + */ + public static String getContributionLocation(final Class anchorClass) { + URL url = AccessController.doPrivileged(new PrivilegedAction() { + public URL run() { + return anchorClass.getProtectionDomain().getCodeSource().getLocation(); + } + }); + String uri = url.toString(); + return uri; + } + +} diff --git a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java new file mode 100644 index 0000000000..3f4998bcc9 --- /dev/null +++ b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java @@ -0,0 +1,47 @@ +/* + * 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 Node extends Client { + + /** + * Start the composite loaded in the node. + */ + void start(); + + /** + * Stop the composite loaded in the node. + */ + void stop(); + + /** + * Destroy the node. + */ + void destroy(); + +} diff --git a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeFactory.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeFactory.java new file mode 100644 index 0000000000..a9f75fc8be --- /dev/null +++ b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeFactory.java @@ -0,0 +1,192 @@ +/* + * 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 NodeFactory { + + public static class NodeProxy implements Node, Client { + private Object node; + + private NodeProxy(Object node) { + super(); + this.node = node; + } + + public static T createProxy(Class type, Object node) { + try { + return type.getDeclaredConstructor(Object.class).newInstance(node); + } catch (Exception e) { + throw new IllegalArgumentException(e); + } + } + + public > 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 getService(Class 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 ServiceReference getServiceReference(Class businessInterface, String serviceName) { + try { + return (ServiceReference)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); + } + } + + public void destroy() { + try { + node.getClass().getMethod("destroy").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 NodeFactory newInstance() { + NodeFactory 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); + Object factoryDeclaration = discoveryClass.getMethod("getFirstServiceDeclaration", String.class).invoke(instance, NodeFactory.class.getName()); + if (factoryDeclaration != null) { + Class factoryImplClass = (Class)factoryDeclaration.getClass().getMethod("loadClass").invoke(factoryDeclaration); + scaNodeFactory = (NodeFactory)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 = (NodeFactory)cls.newInstance(); + return scaNodeFactory; + + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + /** + * 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 Node createNode(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 Node createNode(String compositeURI, Contribution... 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 Node createNode(String compositeURI, + String compositeContent, + Contribution... contributions); + +} diff --git a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAClient.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAClient.java deleted file mode 100644 index f390e8881e..0000000000 --- a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAClient.java +++ /dev/null @@ -1,71 +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.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 the Java type of the business interface for the reference - * @param 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 - */ - > 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 the Java type of the business interface for the service - * @return an object that implements the business interface - */ - B getService(Class 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 the Java type of the business interface for the service - * @return a ServiceReference for the designated service - */ - ServiceReference getServiceReference(Class businessInterface, String serviceName); - -} \ No newline at end of file diff --git a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAContribution.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAContribution.java deleted file mode 100644 index de7f352122..0000000000 --- a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCAContribution.java +++ /dev/null @@ -1,54 +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.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/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java deleted file mode 100644 index fea749a57c..0000000000 --- a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.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.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/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java b/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java deleted file mode 100644 index bca649dbae..0000000000 --- a/branches/sca-equinox/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java +++ /dev/null @@ -1,184 +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.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 createProxy(Class type, Object node) { - try { - return type.getDeclaredConstructor(Object.class).newInstance(node); - } catch (Exception e) { - throw new IllegalArgumentException(e); - } - } - - public > 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 getService(Class 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 ServiceReference getServiceReference(Class businessInterface, String serviceName) { - try { - return (ServiceReference)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); - Object factoryDeclaration = discoveryClass.getMethod("getFirstServiceDeclaration", String.class).invoke(instance, SCANodeFactory.class.getName()); - if (factoryDeclaration != null) { - Class factoryImplClass = (Class)factoryDeclaration.getClass().getMethod("loadClass").invoke(factoryDeclaration); - 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); - } - } - - /** - * 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); - -} -- cgit v1.2.3