1 files changed, 92 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/context/impl/ExternalServiceContextImpl.java b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/context/impl/ExternalServiceContextImpl.java
new file mode 100644
index 0000000000..a73081ef66
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/context/impl/ExternalServiceContextImpl.java
@@ -0,0 +1,92 @@
+/**
+ * 
+ * Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ * 
+ * Licensed 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.context.impl;
+
+import org.apache.tuscany.core.builder.ObjectFactory;
+import org.apache.tuscany.core.context.AbstractContext;
+import org.apache.tuscany.core.context.CoreRuntimeException;
+import org.apache.tuscany.core.context.ExternalServiceContext;
+import org.apache.tuscany.core.context.QualifiedName;
+import org.apache.tuscany.core.context.TargetException;
+import org.apache.tuscany.core.invocation.spi.ProxyCreationException;
+import org.apache.tuscany.core.invocation.spi.ProxyFactory;
+
+/**
+ * The default implementation of an external service context
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ExternalServiceContextImpl extends AbstractContext implements ExternalServiceContext {
+
+    private ProxyFactory targetProxyFactory;
+
+    private ObjectFactory targetInstanceFactory;
+
+    // ----------------------------------
+    // Constructors
+    // ----------------------------------
+
+    /**
+     * Creates an external service context
+     * 
+     * @param name the name of the external service
+     * @param targetProxyFactory the factory which creates proxies implementing the configured service interface for the
+     *        external service. There is always only one proxy factory as an external service is configured with one
+     *        service
+     * @param targetInstanceFactory the object factory that creates an artifact capabile of communicating over the
+     *        binding transport configured on the external service. The object factory may implement a caching strategy.
+     */
+    public ExternalServiceContextImpl(String name, ProxyFactory targetProxyFactory, ObjectFactory targetInstanceFactory) {
+        super(name);
+        assert (targetProxyFactory != null) : "Target proxy factory was null";
+        assert (targetInstanceFactory != null) : "Target instance factory was null";
+        this.targetProxyFactory = targetProxyFactory;
+        this.targetInstanceFactory = targetInstanceFactory;
+    }
+
+    // ----------------------------------
+    // Methods
+    // ----------------------------------
+
+    public Object getInstance(QualifiedName qName) throws TargetException {
+        try {
+            return targetProxyFactory.createProxy();
+            // TODO do we cache the proxy, (assumes stateful capabilities will be provided in an interceptor)
+        } catch (ProxyCreationException e) {
+            TargetException te = new TargetException(e);
+            te.addContextName(getName());
+            throw te;
+        }
+    }
+
+    public Object getInstance(QualifiedName qName, boolean notify) throws TargetException {
+        return getInstance(qName);
+    }
+
+    public void start() throws CoreRuntimeException {
+        lifecycleState = RUNNING;
+    }
+
+    public void stop() throws CoreRuntimeException {
+        lifecycleState = STOPPED;
+    }
+
+    public Object getImplementationInstance() throws TargetException {
+        return targetInstanceFactory.getInstance();
+    }
+
+    public Object getImplementationInstance(boolean notify) throws TargetException {
+        return getImplementationInstance();
+    }
+}