1 files changed, 161 insertions, 0 deletions
diff --git a/sandbox/event/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java b/sandbox/event/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java
new file mode 100644
index 0000000000..a50ad89b64
--- /dev/null
+++ b/sandbox/event/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java
@@ -0,0 +1,161 @@
+/*
+ * 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.implementation.data;
+
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.data.engine.config.ConnectionInfo;
+import org.apache.tuscany.sca.implementation.data.jdbc.JDBCHelper;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+
+
+/**
+ * The model representing a sample DATA implementation in an SCA assembly model.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DATAImplementation implements Implementation {
+    private AssemblyFactory assemblyFactory;
+    private JavaInterfaceFactory javaFactory;
+    
+    private ConnectionInfo connectionInfo;
+    private List<Service> services = new ArrayList<Service>();
+    
+    /**
+     * Constructs a new DAS implementation.
+     */
+    public DATAImplementation(AssemblyFactory assemblyFactory,
+                              JavaInterfaceFactory javaFactory) {
+
+        // DATA implementation provides one service per database table
+        // exposing the DATA interface, and have no references and properties
+        this.assemblyFactory = assemblyFactory;
+        this.javaFactory = javaFactory;
+    }
+    
+    private void introspectServices( AssemblyFactory assemblyFactory, JavaInterfaceFactory javaFactory) {
+        Connection connection = null;
+        try {
+            connection = JDBCHelper.getConnection(connectionInfo);
+            DatabaseMetaData databaseMetaData = connection.getMetaData();
+            ResultSet tables = databaseMetaData.getTables(null, null, "%", null);
+            while(tables.next()) {
+                //create the SCA service for the table
+                Service dataService = assemblyFactory.createService();
+                Service dataCollectionService = assemblyFactory.createService();
+                
+                dataService.setName(tables.getString(3)+"_DATA");
+                dataCollectionService.setName(tables.getString(3));
+                
+                JavaInterface dataInterface;
+                JavaInterface dataCollectionInterface;
+                
+                try {
+                    dataInterface = javaFactory.createJavaInterface(DATA.class);
+                    dataCollectionInterface = javaFactory.createJavaInterface(DATACollection.class);
+                } catch (InvalidInterfaceException e) {
+                    throw new IllegalArgumentException(e);
+                }
+                JavaInterfaceContract dataInterfaceContract = javaFactory.createJavaInterfaceContract();
+                JavaInterfaceContract dataCollectionInterfaceContract = javaFactory.createJavaInterfaceContract();
+                
+                dataInterfaceContract.setInterface(dataInterface);
+                dataCollectionInterfaceContract.setInterface(dataCollectionInterface);
+                
+                dataService.setInterfaceContract(dataInterfaceContract);
+                dataCollectionService.setInterfaceContract(dataCollectionInterfaceContract);  
+               
+                services.add(dataService);
+                services.add(dataCollectionService);           
+                
+            }
+        } catch(SQLException e) {
+            
+        } finally {
+            JDBCHelper.cleanupResources(connection, null, null);
+        }
+    }
+
+    public ConnectionInfo getConnectionInfo() {
+        return this.connectionInfo;
+    }
+
+    public void setConnectionInfo(ConnectionInfo connectionInfo) {
+        this.connectionInfo = connectionInfo;
+    }
+        
+    public ConstrainingType getConstrainingType() {
+        // The sample DATA implementation does not support constrainingTypes
+        return null;
+    }
+
+    public List<Property> getProperties() {
+        // The sample DATA implementation does not support properties
+        return Collections.emptyList();
+    }
+
+    public List<Service> getServices() {
+        if(services == null || services.size() == 0) {
+            introspectServices(assemblyFactory, javaFactory);
+        }
+        return services;
+    }
+    
+    public List<Reference> getReferences() {
+        // The sample DATA implementation does not support references
+        return Collections.emptyList();
+    }
+
+    public String getURI() {
+        // The sample DATA implementation does not have a URI
+        return null;
+    }
+
+    public void setConstrainingType(ConstrainingType constrainingType) {
+        // The sample DATA implementation does not support constrainingTypes
+    }
+
+    public void setURI(String uri) {
+        // The sample DATA implementation does not have a URI
+    }
+
+    public boolean isUnresolved() {
+        // The sample DATA implementation is always resolved
+        return false;
+    }
+
+    public void setUnresolved(boolean unresolved) {
+        // The sample DATA implementation is always resolved
+    }      
+}