1 files changed, 103 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.0.1/samples/calculator-distributed/src/main/java/node/CalculatorNode.java b/sca-java-1.x/branches/sca-java-1.0.1/samples/calculator-distributed/src/main/java/node/CalculatorNode.java
new file mode 100644
index 0000000000..4368410c55
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+++ b/sca-java-1.x/branches/sca-java-1.0.1/samples/calculator-distributed/src/main/java/node/CalculatorNode.java
@@ -0,0 +1,103 @@
+/*
+ * 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 node;
+
+import java.io.IOException;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.domain.SCADomain;
+import org.apache.tuscany.sca.node.SCANode;
+import org.apache.tuscany.sca.node.SCANodeFactory;
+
+import calculator.CalculatorService;
+
+/**
+ * This client program shows how to run a distributed SCA node. In this case a 
+ * calculator node has been constructed specifically for running the calculator 
+ * composite. Internally it creates a representation of a node and associates a 
+ * distributed domain with the node. This separation is made different implementations
+ * of the distributed domain can be provided. 
+ */
+public class CalculatorNode {
+     
+    
+    public static void main(String[] args) throws Exception {
+        
+        // Check that the correct arguments have been provided
+        if (null == args || args.length < 2) {
+             System.err.println("Useage: java CalculatorNode domainname nodename");   
+             System.exit(1);
+        }    
+        
+        try {
+            String domainName = args[0];
+            String nodeName   = args[1];
+            
+            ClassLoader cl = CalculatorNode.class.getClassLoader();
+             
+            SCANodeFactory nodeFactory = SCANodeFactory.newInstance();
+            SCANode node = nodeFactory.createSCANode(nodeName, domainName);
+            node.addContribution(nodeName, cl.getResource(nodeName + "/"));
+            node.deployComposite(new QName("http://sample", "Calculator"));
+            node.start();             
+                                         
+            // nodeA is the head node and runs some tests while all other nodes
+            // simply listen for incoming messages
+            if ( nodeName.equals("nodeA") ) {            
+                // do some application stuff
+                CalculatorService calculatorService = 
+                    node.getDomain().getService(CalculatorService.class, "CalculatorServiceComponentA");
+                
+                // Calculate
+                System.out.println("3 + 2=" + calculatorService.add(3, 2));
+                System.out.println("3 - 2=" + calculatorService.subtract(3, 2));
+                System.out.println("3 * 2=" + calculatorService.multiply(3, 2));
+                System.out.println("3 / 2=" + calculatorService.divide(3, 2));
+                
+                // a little hidden loop test to put some load on the nodes
+                if (args.length > 2){
+                    for (int i=0; i < 1000; i++){
+                        // Calculate
+                        System.out.println("3 + 2=" + calculatorService.add(3, 2));
+                        System.out.println("3 - 2=" + calculatorService.subtract(3, 2));
+                        System.out.println("3 * 2=" + calculatorService.multiply(3, 2));
+                        System.out.println("3 / 2=" + calculatorService.divide(3, 2));
+                    }
+                }
+            } else {
+                // start up and wait for messages
+                try {
+                    System.out.println("Node started (press enter to shutdown)");
+                    System.in.read();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }  
+            }
+            
+            // stop the node and all the domains in it 
+            node.stop(); 
+        
+        } catch(Exception ex) {
+            System.err.println("Exception in node - " + ex.getMessage());
+            ex.printStackTrace(System.err);
+        }
+    }
+}