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package org.osoa.sca;
/**
* @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 ServiceReference.
* Converts a type-safe reference returned by locateService to an equivalent ServiceReference.
*
* @param target a reference proxy provided by the SCA runtime
* @return a ServiceReference equivalent for the proxy
* @throws IllegalArgumentException if the supplied instance is not a reference supplied by the SCA runtime
*/
<B> ServiceReference<B> 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
* @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
* @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
* @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
* @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
* @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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