1 files changed, 90 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java
new file mode 100644
index 0000000000..eeb6f038a0
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-api/src/main/java/org/apache/tuscany/sca/node/Node.java
@@ -0,0 +1,90 @@
+/*
+ * 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.node;
+
+import org.apache.tuscany.sca.node.configuration.NodeConfiguration;
+import org.oasisopen.sca.ServiceReference;
+
+/**
+ * Represents an SCA processing node.
+ * A node is loaded with an SCA composites. It can start and stop that composite.
+ *
+ * @version $Rev$ $Date$
+ * @tuscany.spi.extension.asclient
+ */
+public interface Node {
+    String DEFAULT_DOMAIN_URI = NodeConfiguration.DEFAULT_DOMAIN_URI;
+    String DEFAULT_NODE_URI = NodeConfiguration.DEFAULT_NODE_URI;
+    /**
+     * Start the composite loaded in the node.
+     * @return Return the node itself so that we can call NodeFactory.newInstance().createNode(...).start()
+     */
+    Node start();
+
+    /**
+     * Stop the composite loaded in the node.
+     */
+    void stop();
+
+    /**
+     * Cast a type-safe reference to a CallableReference. Converts a type-safe
+     * reference to an equivalent CallableReference; if the target refers to a
+     * service then a ServiceReference will be returned, if the target refers to
+     * a callback then a CallableReference will be returned.
+     *
+     * @param target a reference proxy provided by the SCA runtime
+     * @param <B> the Java type of the business interface for the reference
+     * @param <R> the type of reference to be returned
+     * @return a CallableReference equivalent for the proxy
+     * @throws IllegalArgumentException if the supplied instance is not a
+     *             reference supplied by the SCA runtime
+     */
+    <B, R extends ServiceReference<B>> R cast(B target) throws IllegalArgumentException;
+
+    /**
+     * Returns a proxy for a service provided by a component in the SCA domain.
+     *
+     * @param businessInterface the interface that will be used to invoke the
+     *            service
+     * @param serviceName the name of the service
+     * @param <B> the Java type of the business interface for the service
+     * @return an object that implements the business interface
+     */
+    <B> B getService(Class<B> businessInterface, String serviceName);
+
+    /**
+     * Returns a ServiceReference for a service provided by a component in the
+     * SCA domain.
+     *
+     * @param businessInterface the interface that will be used to invoke the
+     *            service
+     * @param serviceName the name of the service
+     * @param <B> the Java type of the business interface for the service
+     * @return a ServiceReference for the designated service
+     */
+    <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String serviceName);
+    
+    /**
+     * Returns the URI for the given service binding endpoint
+     * @param serviceBindingName It can be the componentName/<serviceName>/<bindingName>
+     * @return
+     */
+    String getEndpointAddress(String serviceBindingName);
+}