diff options
Diffstat (limited to 'sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany')
6 files changed, 528 insertions, 0 deletions
diff --git a/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Client.java b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Client.java new file mode 100644 index 0000000000..84c1e09126 --- /dev/null +++ b/sandbox/ant/sca/branches/tb7/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.oasisopen.sca.CallableReference; +import org.oasisopen.sca.ServiceReference; + + +/** + * Provides client access to the services in a domain. + * + * @version $Rev$ $Date$ + */ +public interface Client { + + /** + * Cast a type-safe reference to a CallableReference. 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/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Contribution.java b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Contribution.java new file mode 100644 index 0000000000..f69e18dc63 --- /dev/null +++ b/sandbox/ant/sca/branches/tb7/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/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java new file mode 100644 index 0000000000..96a25dfa63 --- /dev/null +++ b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java @@ -0,0 +1,101 @@ +/* + * 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<URL>() { + public URL run() { + return anchorClass.getProtectionDomain().getCodeSource().getLocation(); + } + }); + String uri = url.toString(); + return uri; + } + + /** + * Find the contribution location by seraching a resource on the classpath + * @param resourceName + * @return + */ + public static String getContributionLocation(String resourceName) { + return getContributionLocation(null, resourceName); + + } + + /** + * Find the contribution location by seraching a resource using the given classloader + * @param classLoader + * @param resourceName + * @return + */ + public static String getContributionLocation(ClassLoader classLoader, String resourceName) { + if (classLoader == null) { + classLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { + public ClassLoader run() { + return Thread.currentThread().getContextClassLoader(); + } + }); + } + URL resourceURL = getResource(classLoader, resourceName); + if (resourceURL == null) { + return null; + } + String location = null; + // "jar:file://....../something.jar!/a/b/c/app.composite" + String url = resourceURL.toExternalForm(); + String protocol = resourceURL.getProtocol(); + if ("file".equals(protocol)) { + // directory contribution + if (url.endsWith(resourceName)) { + location = url.substring(0, url.lastIndexOf(resourceName)); + } + } else if ("jar".equals(protocol) || "wsjar".equals(protocol) || "zip".equals(protocol)) { + // jar contribution + location = url.substring(protocol.length() + 1, url.lastIndexOf("!/")); + } + return location; + } + + private static URL getResource(final ClassLoader classLoader, final String compositeURI) { + return AccessController.doPrivileged(new PrivilegedAction<URL>() { + public URL run() { + return classLoader.getResource(compositeURI); + } + }); + } + +} diff --git a/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java new file mode 100644 index 0000000000..3f4998bcc9 --- /dev/null +++ b/sandbox/ant/sca/branches/tb7/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/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeFactory.java b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeFactory.java new file mode 100644 index 0000000000..426c32bd49 --- /dev/null +++ b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeFactory.java @@ -0,0 +1,199 @@ +/* + * 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.oasisopen.sca.CallableReference; +import org.oasisopen.sca.ServiceReference; +import org.oasisopen.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> 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); + } + } + + 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 using defaults for the contribution location and runnable composite + * + * @return a new SCA node. + */ + public abstract Node createNode(); + + /** + * 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/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeMain2.java b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeMain2.java new file mode 100644 index 0000000000..6c26db5a25 --- /dev/null +++ b/sandbox/ant/sca/branches/tb7/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeMain2.java @@ -0,0 +1,56 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.node;
+
+import java.io.File;
+
+public class NodeMain2 {
+
+ /**
+ * Start an SCA node
+ * @param args a list of contribution jars for the node to run
+ */
+ public static void main(String[] args) throws Exception {
+
+ Contribution[] contributions = new Contribution[args.length];
+ for (int i=0; i<args.length; i++) {
+ File f = new File(args[i]);
+ if (!f.exists()) {
+ System.err.println("contribution not found: " + f);
+ System.exit(1);
+ }
+ contributions[i] = new Contribution(f.toURI().toString(), f.toURI().toString());
+ }
+
+ Node node = NodeFactory.newInstance().createNode(null, contributions);
+ node.start();
+
+ System.out.println("Hit enter to stop node...");
+ if (System.in.read() == -1) {
+ // no sysin so wait for ever letting caller do the terminate
+ Object lock = new Object();
+ synchronized(lock) {
+ lock.wait();
+ }
+ }
+
+ node.stop();
+ }
+}
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