From 725006d4c47e63986ac042ade23a4d193298b1fe Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 11 Nov 2009 23:08:29 +0000
Subject: Moving 1.x branches

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835131 13f79535-47bb-0310-9956-ffa450edef68
---
 .../main/java/org/osoa/sca/ComponentContext.java   | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 sca-java-1.x/branches/sca-java-1.4/modules/sca-api/src/main/java/org/osoa/sca/ComponentContext.java

(limited to 'sca-java-1.x/branches/sca-java-1.4/modules/sca-api/src/main/java/org/osoa/sca/ComponentContext.java')

diff --git a/sca-java-1.x/branches/sca-java-1.4/modules/sca-api/src/main/java/org/osoa/sca/ComponentContext.java b/sca-java-1.x/branches/sca-java-1.4/modules/sca-api/src/main/java/org/osoa/sca/ComponentContext.java
new file mode 100644
index 0000000000..52290a4bba
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.4/modules/sca-api/src/main/java/org/osoa/sca/ComponentContext.java
@@ -0,0 +1,100 @@
+/*
+ * (c) Copyright BEA Systems, Inc., Cape Clear Software, International Business Machines Corp, Interface21, IONA Technologies,
+ * Oracle, Primeton Technologies, Progress Software, Red Hat, Rogue Wave Software, SAP AG., Siemens AG., Software AG., Sybase
+ * Inc., TIBCO Software Inc., 2005, 2007. All rights reserved.
+ * 
+ * see http://www.osoa.org/display/Main/Service+Component+Architecture+Specifications
+ */
+package org.osoa.sca;
+
+import java.util.Collection;
+
+/**
+ * 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();    
+}
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