Move Tuscany from Incubator to top level.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68

6 files changed, 346 insertions, 0 deletions

diff --git a/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASImplementation.java b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASImplementation.java
new file mode 100644
index 0000000000..3d5877cb21
--- /dev/null
+++ b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASImplementation.java
@@ -0,0 +1,62 @@
+/*

+ * 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.das;

+

+/**

+ * The model representing a sample DAS implementation in an SCA assembly model.

+ */

+public class DASImplementation {

+

+    private String config;

+    private String dataAccessType;

+

+    /**

+     * Return the DAS configuration side file

+     * 

+     * @return the name of the das configuration side file

+     */

+    public String getConfig() {

+        return config;

+    }

+

+    /**

+     * Sets the DAS configuration side file

+     * 

+     * @param config The name of the das configuration side file

+     */

+    public void setConfig(String config) {

+        this.config = config;

+    }

+    

+    /**

+     * Return the data store type being used

+     * @return The data store type

+     */

+    public String getDataAccessType() {

+        return dataAccessType;

+    }

+    

+    /**

+     * Sets the data store type being used

+     * @param dataAccessType The data store type in use

+     */

+    public void setDataAccessType(String dataAccessType) {

+        this.dataAccessType = dataAccessType;

+    }

+}

diff --git a/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASImplementationActivator.java b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASImplementationActivator.java
new file mode 100644
index 0000000000..184805188c
--- /dev/null
+++ b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASImplementationActivator.java
@@ -0,0 +1,52 @@
+/*
+ * 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.das;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.spi.ImplementationActivator;
+import org.apache.tuscany.sca.spi.InvokerFactory;
+
+public class DASImplementationActivator implements ImplementationActivator<DASImplementation>{
+
+    private final DataAccessEngineManager dataAccessEngineManager;
+
+    private static final QName IMPLEMENTATION_DAS = new QName(Constants.SCA10_NS, "implementation.das");
+    
+    public DASImplementationActivator() {
+        this.dataAccessEngineManager = new DataAccessEngineManager();
+    }
+    
+    public InvokerFactory createInvokerFactory(RuntimeComponent rc, ComponentType ct, DASImplementation impl) {
+        return new DASInvokerFactory(rc, ct, impl, dataAccessEngineManager);
+    }
+
+    public Class<DASImplementation> getImplementationClass() {
+        return DASImplementation.class;
+    }
+
+    public QName getSCDLQName() {
+        return IMPLEMENTATION_DAS;
+    }
+
+}
diff --git a/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASInvoker.java b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASInvoker.java
new file mode 100644
index 0000000000..0949b41f6e
--- /dev/null
+++ b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASInvoker.java
@@ -0,0 +1,60 @@
+/*
+ * 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.das;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+
+/**
+ * Implements a target invoker for DAS component implementations.
+ * 
+ * The target invoker is responsible for dispatching invocations to the particular
+ * component implementation logic. The current component implementation will
+ * dispatch calls to the DAS apis to retrieve the requested data from the backend store
+ * 
+ */
+public class DASInvoker implements Invoker {
+
+    private final Operation operation;
+    private final DataAccessEngine dataAccessEngine;
+    
+    public DASInvoker(Operation operation, DataAccessEngine dataAccessEngine) {
+        this.operation = operation;
+        this.dataAccessEngine = dataAccessEngine;
+    }
+    
+    public Message invoke(Message msg) {
+        Object[] args = msg.getBody();
+        Object resp = doTheWork(args);
+        msg.setBody(resp);
+        return msg;
+    }
+
+    public Object doTheWork(Object[] args) {
+        //simple execute command by name
+        if(args==null || args.length < 1){
+            return this.dataAccessEngine.executeCommand(operation.getName());
+        } else {
+            String xPath = (String) args[0];
+            return this.dataAccessEngine.executeCommand(operation.getName(), xPath);
+        }
+    }
+}
diff --git a/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASInvokerFactory.java b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASInvokerFactory.java
new file mode 100644
index 0000000000..f81cf29202
--- /dev/null
+++ b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DASInvokerFactory.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 org.apache.tuscany.sca.implementation.das;
+
+import org.apache.tuscany.das.rdb.DAS;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.spi.InvokerFactory;
+import org.osoa.sca.ServiceRuntimeException;
+
+public class DASInvokerFactory implements InvokerFactory {
+
+    DASImplementation impl;
+    DataAccessEngineManager dataAccessEngineManager;
+    
+    public DASInvokerFactory(RuntimeComponent rc, ComponentType ct, DASImplementation impl, DataAccessEngineManager dataAccessEngineManager) {
+        this.impl = impl;
+        this.dataAccessEngineManager = dataAccessEngineManager;
+    }
+
+    public Invoker createInvoker(Operation operation) {
+        DAS das = null;
+        try {
+            das = dataAccessEngineManager.getDAS(impl.getConfig());
+        } catch(Exception e) {
+            throw new ServiceRuntimeException(e);
+        }
+        return new DASInvoker(operation, new DataAccessEngine(das) );
+    }
+
+}
diff --git a/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DataAccessEngine.java b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DataAccessEngine.java
new file mode 100644
index 0000000000..a847695480
--- /dev/null
+++ b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DataAccessEngine.java
@@ -0,0 +1,52 @@
+/*
+ * 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.das;
+
+import org.apache.tuscany.das.rdb.Command;
+import org.apache.tuscany.das.rdb.DAS;
+
+import commonj.sdo.DataObject;
+
+/**
+ * Facade to hide DAS implementation details of handling commands
+ */
+public class DataAccessEngine {
+    private final DAS das;
+
+    public DataAccessEngine(DAS das) {
+        this.das = das;
+    }
+
+    public DataObject executeCommand(String commandName) {
+        try {
+            Command command = this.das.getCommand(commandName);
+            return command.executeQuery();
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    public DataObject executeCommand(String commandName, String xPath) {
+        DataObject root = executeCommand(commandName);
+        return root.getDataObject(xPath);
+    }
+
+}
diff --git a/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DataAccessEngineManager.java b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DataAccessEngineManager.java
new file mode 100644
index 0000000000..6701ca993c
--- /dev/null
+++ b/sandbox/ant/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/DataAccessEngineManager.java
@@ -0,0 +1,70 @@
+/*
+ * 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.das;
+
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.tuscany.das.rdb.DAS;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * The DataAccessEngineManager acts like a registry and factory for DAS instances
+ * It holds DAS by it's config file name, reusing the same DAS for all components 
+ * using the same config file.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DataAccessEngineManager {
+
+    private final Map<String, DAS> registry = new HashMap<String, DAS>();
+
+    protected DAS initializeDAS(String config) {
+        //load the config file
+        System.out.println("Initializing DAS");
+        DAS das = DAS.FACTORY.createDAS(this.getConfigStream(config));
+        
+        return das;
+    }
+    
+    protected InputStream getConfigStream(String config) {
+        InputStream configStream = null;
+
+        try {
+            configStream = this.getClass().getResourceAsStream(config); 
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e); 
+        }
+        
+        return configStream;
+    }
+    
+    public DAS getDAS(String config) {
+        DAS das = registry.get(config);
+        if ( das == null) {
+            das = this.initializeDAS(config);
+            this.registry.put(config, das);
+        }
+        return das;
+    }
+    
+
+}