1 files changed, 145 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/deployer/federation/FederatedDeployer.java b/sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/deployer/federation/FederatedDeployer.java
new file mode 100644
index 0000000000..d1ff543a34
--- /dev/null
+++ b/sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/deployer/federation/FederatedDeployer.java
@@ -0,0 +1,145 @@
+/*
+ * 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.core.deployer.federation;
+
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.core.component.ComponentManager;
+import org.apache.tuscany.core.marshaller.PhysicalChangeSetMarshaller;
+import org.apache.tuscany.spi.builder.BuilderException;
+import org.apache.tuscany.spi.builder.Connector;
+import org.apache.tuscany.spi.builder.physical.PhysicalComponentBuilderRegistry;
+import org.apache.tuscany.spi.component.Component;
+import org.apache.tuscany.spi.component.RegistrationException;
+import org.apache.tuscany.spi.marshaller.MarshallException;
+import org.apache.tuscany.spi.marshaller.ModelMarshallerRegistry;
+import org.apache.tuscany.spi.model.physical.PhysicalChangeSet;
+import org.apache.tuscany.spi.model.physical.PhysicalComponentDefinition;
+import org.apache.tuscany.spi.model.physical.PhysicalWireDefinition;
+import org.apache.tuscany.spi.services.discovery.DiscoveryService;
+import org.apache.tuscany.spi.services.discovery.RequestListener;
+import org.osoa.sca.annotations.Reference;
+
+/**
+ * Federated deployer that deploys components in response to asynchronous messages from the federated domain.
+ *
+ * @version $Revision$ $Date$
+ */
+public class FederatedDeployer implements RequestListener {
+
+    /**
+     * Marshaller registry.
+     */
+    private ModelMarshallerRegistry marshallerRegistry;
+
+    /**
+     * Physical component builder registry.
+     */
+    private PhysicalComponentBuilderRegistry builderRegistry;
+    
+    /**
+     * Component manager.
+     */
+    private ComponentManager componentManager;
+    
+    /**
+     * Connector.
+     */
+    private Connector connector;
+
+    /**
+     * Deploys the component.
+     *
+     * @param content SCDL content.
+     * @return Response to the request message.
+     *         <p/>
+     *         TODO Handle response messages.
+     */
+    public XMLStreamReader onRequest(XMLStreamReader content) {
+
+        try {
+
+            final PhysicalChangeSet changeSet = (PhysicalChangeSet) marshallerRegistry.unmarshall(content);
+            
+            for (PhysicalComponentDefinition pcd : changeSet.getComponentDefinitions()) {
+                final Component component = builderRegistry.build(pcd);
+                componentManager.register(component);
+                component.start();
+            }
+            for (PhysicalWireDefinition pwd : changeSet.getWireDefinitions()) {
+                connector.connect(pwd);
+            }
+
+        } catch (MarshallException ex) {
+            return null;
+        } catch (BuilderException ex) {
+            return null;
+        } catch (RegistrationException ex) {
+            return null;
+        }
+
+        return null;
+    }
+
+    /**
+     * Injects the discovery service.
+     * @param discoveryService Discovery service to be injected.
+     */
+    @Reference
+    public void setDiscoveryService(DiscoveryService discoveryService) {
+        discoveryService.registerRequestListener(PhysicalChangeSetMarshaller.QNAME, this);
+    }
+
+    /**
+     * Injects the model marshaller registry.
+     * @param marshallerRegistry Marshaller registry.
+     */
+    @Reference
+    public void setMarshallerRegistry(ModelMarshallerRegistry marshallerRegistry) {
+        this.marshallerRegistry = marshallerRegistry;
+    }
+
+    /**
+     * Injects the builder registry.
+     * @param builderRegistry Builder registry.
+     */
+    @Reference
+    public void setBuilderRegistry(PhysicalComponentBuilderRegistry builderRegistry) {
+        this.builderRegistry = builderRegistry;
+    }
+
+    /**
+     * Injects the component manager.
+     * @param componentManager Component manager.
+     */
+    @Reference
+    public void setComponentManager(ComponentManager componentManager) {
+        this.componentManager = componentManager;
+    }
+
+    /**
+     * Injects the connector.
+     * @param connector Connector.
+     */
+    @Reference
+    public void setConnector(Connector connector) {
+        this.connector = connector;
+    }
+
+}