diff options
author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2012-02-08 08:37:40 +0000 |
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committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2012-02-08 08:37:40 +0000 |
commit | 51d861965de400328dc7df308bae94fb01259ed4 (patch) | |
tree | 73c3948032dbaa370c823ca4623f33235b5b7449 /sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl | |
parent | 0024b524048b3b8d072bd2a97f60572038f950d8 (diff) |
Tag for rc0 preview of beta4 release
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1241816 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl')
3 files changed, 291 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorActivator.java b/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorActivator.java new file mode 100644 index 0000000000..b14c9e2f4a --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorActivator.java @@ -0,0 +1,78 @@ +/*
+ * 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 calculator.dosgi.impl;
+
+import java.util.Dictionary;
+import java.util.Hashtable;
+import java.util.logging.Logger;
+
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.packageadmin.PackageAdmin;
+
+import calculator.dosgi.CalculatorService;
+import calculator.dosgi.operations.AddService;
+
+/**
+ *
+ */
+public class CalculatorActivator implements BundleActivator {
+ private Logger logger = Logger.getLogger(CalculatorActivator.class.getName());
+
+ private Bundle getBundle(BundleContext bundleContext, Class<?> cls) {
+ PackageAdmin packageAdmin = null;
+ // PackageAdmin is used to resolve bundles
+ ServiceReference ref = bundleContext.getServiceReference("org.osgi.service.packageadmin.PackageAdmin");
+ if (ref != null) {
+ packageAdmin = (PackageAdmin)bundleContext.getService(ref);
+ Bundle bundle = packageAdmin.getBundle(cls);
+ if (bundle != null) {
+ logger.info(cls.getName() + " is loaded by bundle: " + bundle.getSymbolicName());
+ }
+ bundleContext.ungetService(ref);
+ return bundle;
+ }
+ return null;
+ }
+
+ public void start(BundleContext context) throws Exception {
+ logger.info("Starting " + context.getBundle());
+ Dictionary<String, Object> props = new Hashtable<String, Object>();
+ props.put("sca.service", "CalculatorComponent#service-name(Calculator)");
+ props.put("calculator", "Calculator");
+ props.put("service.exported.configs", new String[] {"org.osgi.sca"});
+ props.put("org.osgi.sca.bindings", new String[] {"{http://sample}Calculator"});
+ props.put("service.exported.interfaces", new String[] {"*"});
+ logger.info("Registering " + CalculatorService.class.getName());
+ CalculatorService calculator = new CalculatorServiceImpl(context);
+ context.registerService(CalculatorService.class.getName(), calculator, props);
+
+ getBundle(context, AddService.class);
+
+ }
+
+ public void stop(BundleContext context) throws Exception {
+ logger.info("Stopping " + context.getBundle());
+ // Registered services will be automatically unregistered
+ }
+
+}
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java b/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java new file mode 100644 index 0000000000..9c80c5beb9 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java @@ -0,0 +1,114 @@ +/*
+ * 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 calculator.dosgi.impl;
+
+import org.osgi.service.component.ComponentContext;
+
+import calculator.dosgi.CalculatorService;
+import calculator.dosgi.operations.AddService;
+import calculator.dosgi.operations.DivideService;
+import calculator.dosgi.operations.MultiplyService;
+import calculator.dosgi.operations.SubtractService;
+
+/**
+ * An implementation of the Calculator service.
+ */
+public class CalculatorServiceDSImpl implements CalculatorService {
+ private AddService addService;
+ private SubtractService subtractService;
+ private MultiplyService multiplyService;
+ private DivideService divideService;
+
+ public CalculatorServiceDSImpl() {
+ super();
+ System.out.println("CalculatorServiceDSImpl()");
+ }
+
+ protected void activate(ComponentContext context) {
+ System.out.println("Activating " + context);
+ }
+
+ protected void deactivate(ComponentContext context) {
+ System.out.println("Deactivating " + context);
+ }
+
+ /*
+ * The following setters can be used for DS injection
+ */
+ public void setAddService(AddService addService) {
+ System.out.println("setAddService()");
+ this.addService = addService;
+ }
+
+ public void setSubtractService(SubtractService subtractService) {
+ this.subtractService = subtractService;
+ }
+
+ public void setDivideService(DivideService divideService) {
+ this.divideService = divideService;
+ }
+
+ public void setMultiplyService(MultiplyService multiplyService) {
+ this.multiplyService = multiplyService;
+ }
+
+ /*
+ * The following setters can be used for DS injection
+ */
+ public void unsetAddService(AddService addService) {
+ System.out.println("unsetAddService()");
+ this.addService = null;
+ }
+
+ public void unsetSubtractService(SubtractService subtractService) {
+ this.subtractService = null;
+ }
+
+ public void unsetDivideService(DivideService divideService) {
+ this.divideService = null;
+ }
+
+ public void unsetMultiplyService(MultiplyService multiplyService) {
+ this.multiplyService = null;
+ }
+ private <T> T getService(Class<T> cls) {
+ for (Object s : new Object[] {addService, subtractService, multiplyService, divideService}) {
+ if (cls.isInstance(s)) {
+ return cls.cast(s);
+ }
+ }
+ throw new IllegalStateException(cls.getSimpleName() + " is not available");
+ }
+
+ public double add(double n1, double n2) {
+ return getService(AddService.class).add(n1, n2);
+ }
+
+ public double subtract(double n1, double n2) {
+ return getService(SubtractService.class).subtract(n1, n2);
+ }
+
+ public double multiply(double n1, double n2) {
+ return getService(MultiplyService.class).multiply(n1, n2);
+ }
+
+ public double divide(double n1, double n2) {
+ return getService(DivideService.class).divide(n1, n2);
+ }
+}
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceImpl.java b/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceImpl.java new file mode 100644 index 0000000000..c22706c9f6 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/samples/learning-more/distributed-osgi-dynamic/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceImpl.java @@ -0,0 +1,99 @@ +/*
+ * 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 calculator.dosgi.impl;
+
+import static org.osgi.framework.Constants.OBJECTCLASS;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.Filter;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.util.tracker.ServiceTracker;
+
+import calculator.dosgi.CalculatorService;
+import calculator.dosgi.operations.AddService;
+import calculator.dosgi.operations.DivideService;
+import calculator.dosgi.operations.MultiplyService;
+import calculator.dosgi.operations.SubtractService;
+
+/**
+ * An implementation of the Calculator service.
+ */
+public class CalculatorServiceImpl implements CalculatorService {
+ private Map<Class<?>, ServiceTracker> remoteServices = new HashMap<Class<?>, ServiceTracker>();
+
+ public CalculatorServiceImpl() {
+ super();
+ }
+
+ public CalculatorServiceImpl(BundleContext context) {
+ super();
+ for (Class<?> cls : new Class<?>[] {AddService.class, SubtractService.class, MultiplyService.class,
+ DivideService.class}) {
+ Filter remoteFilter = null;
+ try {
+ remoteFilter =
+ context.createFilter("(&(" + OBJECTCLASS + "=" + cls.getName() + ") (service.imported=*))");
+ } catch (InvalidSyntaxException e) {
+ e.printStackTrace();
+ }
+ ServiceTracker tracker = new ServiceTracker(context, remoteFilter, null);
+ this.remoteServices.put(cls, tracker);
+ tracker.open();
+ }
+ }
+
+ private <T> T getService(Class<T> cls) {
+ ServiceTracker tracker = remoteServices.get(cls);
+ try {
+ // Wait for 10 seconds until the remote services are imported
+ tracker.waitForService(10000);
+ } catch (InterruptedException e) {
+ throw new IllegalStateException(cls.getSimpleName() + " is not available");
+ }
+ Object[] remoteObjects = tracker.getServices();
+ if (remoteObjects != null) {
+ for (Object s : remoteObjects) {
+ if (cls.isInstance(s)) {
+ System.out.println("Remote service: " + s);
+ return cls.cast(s);
+ }
+ }
+ }
+ throw new IllegalStateException(cls.getSimpleName() + " is not available");
+ }
+
+ public double add(double n1, double n2) {
+ return getService(AddService.class).add(n1, n2);
+ }
+
+ public double subtract(double n1, double n2) {
+ return getService(SubtractService.class).subtract(n1, n2);
+ }
+
+ public double multiply(double n1, double n2) {
+ return getService(MultiplyService.class).multiply(n1, n2);
+ }
+
+ public double divide(double n1, double n2) {
+ return getService(DivideService.class).divide(n1, n2);
+ }
+}
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