8 files changed, 455 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/CalculatorService.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/CalculatorService.java
new file mode 100644
index 0000000000..796b1afe61
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/CalculatorService.java
@@ -0,0 +1,36 @@
+/*
+ * 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;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * The Calculator service interface.
+ */
+@Remotable
+public interface CalculatorService {
+
+    double add(double n1, double n2);
+
+    double subtract(double n1, double n2);
+
+    double multiply(double n1, double n2);
+
+    double divide(double n1, double n2);
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorActivator.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorActivator.java
new file mode 100644
index 0000000000..b7babcc0af
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorActivator.java
@@ -0,0 +1,76 @@
+/*
+ * 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");
+
+        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/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/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/2.0.1-RC1/samples/learning-more/distributed-osgi-static/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/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceImpl.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceImpl.java
new file mode 100644
index 0000000000..906fabfff1
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/impl/CalculatorServiceImpl.java
@@ -0,0 +1,105 @@
+/*
+ * 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 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 ServiceTracker remoteServices;
+    private ServiceTracker localServices;
+
+    public CalculatorServiceImpl() {
+        super();
+    }
+
+    public CalculatorServiceImpl(BundleContext context) {
+        super();
+        Filter remoteFilter = null, localFilter = null;
+        try {
+            remoteFilter =
+                context.createFilter("(&(" + OBJECTCLASS + "=calculator.dosgi.operations.*) (service.imported=*))");
+            localFilter =
+                context.createFilter("(&(" + OBJECTCLASS + "=calculator.dosgi.operations.*) (!(service.imported=*)))");
+        } catch (InvalidSyntaxException e) {
+            e.printStackTrace();
+        }
+        this.remoteServices = new ServiceTracker(context, remoteFilter, null);
+        remoteServices.open();
+        this.localServices = new ServiceTracker(context, localFilter, null);
+        localServices.open();
+    }
+
+    private <T> T getService(Class<T> cls) {
+        try {
+            // Wait for 10 seconds until the remote services are imported
+            remoteServices.waitForService(10000);
+        } catch (InterruptedException e) {
+            throw new IllegalStateException(cls.getSimpleName() + " is not available");
+        }
+        Object[] remoteObjects = remoteServices.getServices();
+        if (remoteObjects != null) {
+            for (Object s : remoteObjects) {
+                if (cls.isInstance(s)) {
+                    System.out.println("Remote service: " + s);
+                    return cls.cast(s);
+                }
+            }
+        }
+        Object[] localObjects = localServices.getServices();
+        if (localObjects != null) {
+            for (Object s : localObjects) {
+                if (cls.isInstance(s)) {
+                    System.out.println("Local 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);
+    }
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/AddService.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/AddService.java
new file mode 100644
index 0000000000..7d68dbd5c5
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/AddService.java
@@ -0,0 +1,31 @@
+/*
+ * 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.operations;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * The interface for the add service
+ */
+@Remotable
+public interface AddService {
+
+    double add(double n1, double n2);
+
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/DivideService.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/DivideService.java
new file mode 100644
index 0000000000..998f6e9554
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/DivideService.java
@@ -0,0 +1,31 @@
+/*
+ * 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.operations;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * The interface for the divide service
+ */
+@Remotable
+public interface DivideService {
+
+    double divide(double n1, double n2);
+
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/MultiplyService.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/MultiplyService.java
new file mode 100644
index 0000000000..7ed6db2e6b
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/MultiplyService.java
@@ -0,0 +1,31 @@
+/*
+ * 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.operations;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * The interface for the multiply service
+ */
+@Remotable
+public interface MultiplyService {
+
+    double multiply(double n1, double n2);
+
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/SubtractService.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/SubtractService.java
new file mode 100644
index 0000000000..cb98b8fb67
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/distributed-osgi-static/calculator-bundle/src/main/java/calculator/dosgi/operations/SubtractService.java
@@ -0,0 +1,31 @@
+/*
+ * 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.operations;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * The interface for the subtract service
+ */
+@Remotable
+public interface SubtractService {
+
+    double subtract(double n1, double n2);
+
+}