17 files changed, 690 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/pom.xml b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/pom.xml
new file mode 100644
index 0000000000..5a71b7e412
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/pom.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * 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.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-sca</artifactId>
+        <version>2.0-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <artifactId>embedded-jse-async-sample-launcher</artifactId>
+    <name>Embedded JSE Launcher for async samples</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-api</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency>  
+        
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-core</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency> 
+        
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-webservice</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency>
+        
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-ejava</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency>
+                
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.8.1</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+       <finalName>${artifactId}</finalName>
+
+       <plugins>
+         
+       </plugins>
+    </build>
+</project>
diff --git a/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/calculator/Calculate.java b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/calculator/Calculate.java
new file mode 100644
index 0000000000..2f75ea7100
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/calculator/Calculate.java
@@ -0,0 +1,6 @@
+package calculator;
+
+public interface Calculate {
+	String factors();
+
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/calculator/CalculatorService.java b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/calculator/CalculatorService.java
new file mode 100644
index 0000000000..f8f9c40bcb
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/calculator/CalculatorService.java
@@ -0,0 +1,32 @@
+/*
+ * 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;
+import org.oasisopen.sca.annotation.Remotable;
+
+
+/**
+ * The Calculator service interface.
+ */
+
+@Remotable
+public interface CalculatorService {
+	String factors(Integer i);
+
+}
+\ No newline at end of file
diff --git a/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/RuntimeIntegration.java b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/RuntimeIntegration.java
new file mode 100644
index 0000000000..aa36b6009b
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/RuntimeIntegration.java
@@ -0,0 +1,43 @@
+/*
+ * 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 launcher;
+
+import org.apache.tuscany.sca.node.Contribution;
+import org.apache.tuscany.sca.node.Node;
+import org.apache.tuscany.sca.node.NodeFactory;
+
+
+/**
+ * Base JSE launcher function
+ */
+public class RuntimeIntegration {
+    
+    
+    public Node startNode(Contribution... contributions){
+        Node node = NodeFactory.newInstance().createNode(contributions);
+        node.start();
+        return node;
+    }
+    
+    public void stopNode(Node node){
+        node.stop();
+    }
+    
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/SampleJSELauncher.java b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/SampleJSELauncher.java
new file mode 100644
index 0000000000..52fa8e39e4
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/SampleJSELauncher.java
@@ -0,0 +1,91 @@
+/*
+ * 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 launcher;
+
+import org.apache.tuscany.sca.node.Contribution;
+import org.apache.tuscany.sca.node.Node;
+
+import calculator.CalculatorService;
+
+
+/**
+ * This client program shows how to create an embedded SCA runtime, load a contribution,
+ * start it and, in some cases, locate and invoke an SCA component 
+ */
+public class SampleJSELauncher extends RuntimeIntegration {
+    
+    protected boolean waitBeforeStopping = false;
+    
+    public static void main(String[] args) throws Exception {
+        
+        // get the contribution name from the 1st argument it there is one
+  
+        
+        // assume that more than one argument means that the caller wants to
+        // keep the SCA application running while other clients use the services
+        boolean waitBeforeStopping = false;
+        
+        if (args != null && args.length > 1 && args[1].equals("waitBeforeStopping")){
+            waitBeforeStopping = true;
+        }
+        
+        SampleJSELauncher launcher = new SampleJSELauncher(waitBeforeStopping);
+        
+        launcher.launchBindingSCACalculator();
+               
+    }
+    
+    public SampleJSELauncher(boolean waitBeforeStopping){
+        this.waitBeforeStopping = waitBeforeStopping;
+    }
+    
+    /**
+     * Wait for user input. Allows us to keep the Tuscany runtime and the SCA application
+     * running while other clients access the services provided 
+     */
+    public void waitBeforeStopping(){
+        if (waitBeforeStopping){
+            try {
+                System.out.println("Press key to continue");
+                int input = System.in.read();
+            } catch (Exception ex) {
+                // do nothing
+            }
+        }
+    }
+       
+    /**
+     * The contribution-binding-sca-calculator contribution includes a client component 
+     * that calls the CalculatorServiceComponent from an operation marked by @Init. 
+     */
+    public void launchBindingSCACalculator(){
+        Node node = startNode(new Contribution("c1", "file://C:/Dev7/SCA/samples/my-contribution/target/my--sample-contribution-implementation-java-calculator.jar"));
+        waitBeforeStopping();
+        stopNode(node);
+    }    
+    
+
+//    public void launchImplementationJavaCalculator(){
+//        Node node = startNode(new Contribution("c1", "../contribution-implementation-java-calculator/target/classes"));
+//        waitBeforeStopping();
+//        stopNode(node);
+//    }      
+    
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/SampleLauncherException.java b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/SampleLauncherException.java
new file mode 100644
index 0000000000..1eacb94b19
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/main/java/launcher/SampleLauncherException.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 launcher;
+
+/**
+ * This exception signals problems in the management of SCA component execution.
+ */
+public class SampleLauncherException extends RuntimeException {
+    /**
+     * Constructs a SampleLauncherException with no detail message. 
+     */
+    public SampleLauncherException() {
+        super();
+    }
+
+    /**
+     * Constructs a SampleLauncherException with the specified detail
+     * message. 
+     *
+     * @param     message the detail message
+     */
+    public SampleLauncherException(String message) {
+        super(message);
+    }
+
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/test/java/launcher/LauncherTestCase.java b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/test/java/launcher/LauncherTestCase.java
new file mode 100644
index 0000000000..2a6222f2ab
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/embedded-jse-async-sample-launcher/src/test/java/launcher/LauncherTestCase.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 launcher;
+
+import org.junit.Test;
+
+/**
+ * Test sample contributions.
+ */
+public class LauncherTestCase {
+
+    @Test
+    public void testContributionBindingSCACalculator() throws Exception {
+        SampleJSELauncher.main(new String[] {"contribution-binding-sca-calculator"});
+    }
+    
+    @Test
+    public void testContributionBindingWSCalculator() throws Exception {
+        SampleJSELauncher.main(new String[] {"contribution-binding-ws-calculator"});
+    }  
+    
+    @Test
+    public void testContributionBindingRMICalculator() throws Exception {
+        SampleJSELauncher.main(new String[] {"contribution-binding-rmi-calculator"});
+    } 
+    
+    @Test
+    public void testContributionImplementationJavaCalculator() throws Exception {
+        SampleJSELauncher.main(new String[] {"contribution-implementation-java-calculator"});
+    }     
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/pom.xml b/sca-java-2.x/trunk/contrib/samples/async/pom.xml
new file mode 100644
index 0000000000..8554487601
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/pom.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-sca</artifactId>
+        <version>2.0-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <artifactId>tuscany-sample-async</artifactId>
+    <packaging>pom</packaging>
+    <name>Apache Tuscany SCA Samples for  Synchronous/Asynchronous invocation</name>
+
+    <profiles>
+        <profile>
+            <id>default</id>
+            <activation>
+                <activeByDefault>true</activeByDefault>
+            </activation>
+            <modules>
+                <module>sample-contribution-implementation-java-calculator-async</module>
+                <module>embedded-jse-async-sample-launcher</module>
+            </modules>
+        </profile>
+    </profiles>    
+</project>
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/pom.xml b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/pom.xml
new file mode 100644
index 0000000000..2d4ac4f8b1
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/pom.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * 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.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-sca</artifactId>
+        <version>2.0-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <artifactId>sample-contribution-implementation-java-calculator-async</artifactId>
+    <name>Apache Tuscany SCA Sample Contribution Implementation Java Calculator for Async Sample</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-api</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency>
+       
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.8.1</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    
+    <build>
+        <finalName>${artifactId}</finalName>
+       <plugins>
+         <plugin>
+             <groupId>org.apache.tuscany.maven.plugins</groupId>
+             <artifactId>maven-tuscany-plugin</artifactId>
+             <version>2.0-SNAPSHOT</version>
+         </plugin>
+       </plugins>
+    </build>
+
+</project>
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculateViaAsyncRef.java b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculateViaAsyncRef.java
new file mode 100644
index 0000000000..e370bd915b
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculateViaAsyncRef.java
@@ -0,0 +1,18 @@
+package calculator;
+
+import java.util.concurrent.Future;
+
+import javax.xml.ws.AsyncHandler;
+import javax.xml.ws.Response;
+
+/**
+ * client interface for async reference
+ * @author kgoodson
+ *
+ */
+
+public interface CalculateViaAsyncRef {
+
+	public Response<String> calculate( Integer i1);
+	
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculateViaAsyncRefImpl.java b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculateViaAsyncRefImpl.java
new file mode 100644
index 0000000000..589bcab35f
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculateViaAsyncRefImpl.java
@@ -0,0 +1,26 @@
+package calculator;
+
+import java.util.concurrent.ExecutionException;
+
+import javax.xml.ws.Response;
+
+import org.oasisopen.sca.annotation.Reference;
+
+public class CalculateViaAsyncRefImpl implements CalculatorService {
+
+	@Reference CalculateViaAsyncRef calculatorRef = null;
+
+	@Override
+	public String calculate(Integer n1) {
+		Response<String> r = calculatorRef.calculate(n1);
+		String result=null;
+		try {
+			result = r.get();
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		} catch (ExecutionException e) {
+			e.printStackTrace();
+		}
+		return result;
+	}
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorClient.java b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorClient.java
new file mode 100644
index 0000000000..60c7d8d3ce
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorClient.java
@@ -0,0 +1,50 @@
+/*
+ * 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;
+
+import org.oasisopen.sca.annotation.EagerInit;
+import org.oasisopen.sca.annotation.Init;
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Scope;
+
+/**
+ * This client program shows how to create an SCA runtime, start it,
+ * and locate and invoke a SCA component
+ */
+@Scope("COMPOSITE") @EagerInit
+public class CalculatorClient {
+    
+    private CalculatorService calculatorService;
+
+    @Reference
+    public void setCalculatorService(CalculatorService calculatorService) {
+        this.calculatorService = calculatorService;
+    }
+    
+    @Init
+    public void calculate() {
+
+        // Calculate
+        //System.out.println("SCA API ClassLoader: " + print(Reference.class.getClassLoader()));
+        System.out.println("calculation=" + calculatorService.calculate(20));
+    }
+    
+
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorService.java b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorService.java
new file mode 100644
index 0000000000..6b311f467d
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorService.java
@@ -0,0 +1,30 @@
+/*
+ * 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;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * The Calculator service interface.
+ */
+@Remotable
+public interface CalculatorService {
+
+    String calculate(Integer n1);
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorServiceImpl.java b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorServiceImpl.java
new file mode 100644
index 0000000000..8352a528d7
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/java/calculator/CalculatorServiceImpl.java
@@ -0,0 +1,43 @@
+/*
+ * 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;
+
+
+
+/**
+ * An implementation of the Calculator service.
+ */
+public class CalculatorServiceImpl implements CalculatorService {
+
+	@Override
+	public String calculate(Integer n1) {
+
+		// TODO brute force search for divisors of n1 (http://en.wikipedia.org/wiki/Brute-force_search)
+                // which should give a nice example of a method that takes a long time if given a
+                // big enough input parameter
+		return "1 2";
+	}
+
+
+
+
+
+
+
+}
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/Calculator.composite b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/Calculator.composite
new file mode 100644
index 0000000000..8da74bfc49
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/Calculator.composite
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.    
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+           targetNamespace="http://sample"
+           xmlns:sample="http://sample"
+           name="Calculator">
+
+    <component name="CalculatorServiceComponent">
+		<implementation.java class="calculator.CalculatorServiceImpl"/>
+        <reference name="calcService" interface.java="CalculateViaAsyncRef.java" />
+    </component>
+
+</composite>
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/CalculatorClient.composite b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/CalculatorClient.composite
new file mode 100644
index 0000000000..dfd32761be
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/CalculatorClient.composite
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.    
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+           targetNamespace="http://sample"
+           xmlns:sample="http://sample"
+           name="CalculatorClient">
+
+    <component name="CalculatorClient">
+		<implementation.java class="calculator.CalculatorClient"/>
+        <reference name="calculatorService" target="CalculatorServiceComponent" />
+    </component>
+
+</composite>
diff --git a/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/META-INF/sca-contribution.xml b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/META-INF/sca-contribution.xml
new file mode 100644
index 0000000000..3e64787ce4
--- /dev/null
+++ b/sca-java-2.x/trunk/contrib/samples/async/sample-contribution-implementation-java-calculator-async/src/main/resources/META-INF/sca-contribution.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * 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.    
+-->
+<contribution xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+              xmlns:sample="http://sample">
+   <deployable composite="sample:Calculator"/>
+   <deployable composite="sample:CalculatorClient"/>
+</contribution>
+\ No newline at end of file