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/*
 * (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.annotations;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Annotation that can be applied to annotations that describe SCA intents.
 * Adding this annotation allows SCA runtimes to automatically detect user-defined intents.
 * <p/>
 * Applications must specify a value, a pairing of targetNamespace and localPort, or both.
 * If both value and pairing are supplied they must define the name qualified name.
 *
 * @version $Rev$ $Date$
 */
@Target({ANNOTATION_TYPE})
@Retention(RUNTIME)
public @interface Intent {
    /**
     * The qualified name of the intent, in the form defined by {@link javax.xml.namespace.QName#toString}.
     *
     * @return the qualified name of the intent
     */
    String value() default "";

    /**
     * The XML namespace for the intent.
     *
     * @return the XML namespace for the intent
     */
    String targetNamespace() default "";

    /**
     * The name of the intent within its namespace.
     *
     * @return name of the intent within its namespace
     */
    String localPart() default "";
}