1 files changed, 109 insertions, 0 deletions
diff --git a/sandbox/axis2-1.4/modules/sca-api/src/main/java/org/osoa/sca/ComponentContext.java b/sandbox/axis2-1.4/modules/sca-api/src/main/java/org/osoa/sca/ComponentContext.java
new file mode 100644
index 0000000000..616d4c6338
--- /dev/null
+++ b/sandbox/axis2-1.4/modules/sca-api/src/main/java/org/osoa/sca/ComponentContext.java
@@ -0,0 +1,109 @@
+/*
+ * 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.osoa.sca;
+
+/**
+ * Interface providing programmatic access to a component's SCA context as an alternative to injection.
+ * It provides access to reference and property values for the component and provides a mechanism for
+ * obtaining a reference to a service that can be passed to other components.
+ * <p/>
+ * SCA components obtain an instance of this interface through injection. Non-SCA client code may also
+ * obtain an instance through runtime-specific mechanisms.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface ComponentContext {
+    /**
+     * Returns the absolute URI of the component within the SCA Domain.
+     *
+     * @return the absolute URI of the component
+     */
+    String getURI();
+
+    /**
+     * 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 CallableReference<B>> R cast(B target) throws IllegalArgumentException;
+
+    /**
+     * Returns a proxy for a reference defined by this component.
+     *
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param referenceName the name of the reference
+     * @param <B> the Java type of the business interface for the reference
+     * @return an object that implements the business interface
+     */
+    <B> B getService(Class<B> businessInterface, String referenceName);
+
+    /**
+     * Returns a ServiceReference for a reference defined by this component.
+     *
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param referenceName the name of the reference
+     * @param <B> the Java type of the business interface for the reference
+     * @return a ServiceReference for the designated reference
+     */
+    <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String referenceName);
+
+    /**
+     * Returns the value of an SCA property defined by this component.
+     *
+     * @param type the Java type to be returned for the property
+     * @param propertyName the name of the property whose value should be returned
+     * @param <B> the Java type of the property
+     * @return the property value
+     */
+    <B> B getProperty(Class<B> type, String propertyName);
+
+    /**
+     * Returns a ServiceReference that can be used to invoke this component over the default service.
+     *
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param <B> the Java type of the business interface for the reference
+     * @return a ServiceReference that will invoke this component
+     */
+    <B> ServiceReference<B> createSelfReference(Class<B> businessInterface);
+
+    /**
+     * Returns a ServiceReference that can be used to invoke this component over the designated service.
+     *
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param serviceName the name of the service to invoke
+     * @param <B> the Java type of the business interface for the reference
+     * @return a ServiceReference that will invoke this component
+     */
+    <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, String serviceName);
+
+    /**
+     * Returns the context for the current SCA service request, or null if there is no current request
+     * or if the context is unavailable.
+     *
+     * @return the SCA request context; may be null
+     */
+    RequestContext getRequestContext();
+}