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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.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
/**
* When placed on a service interface, this annotation specifies the interface
* to be used for callbacks.
* <p/>
* When placed on a method or field, this annotation denotes the injection
* site to be used for a callback reference.
* <p/>
* There is a error in the 1.00 draft spec in the declaration of this interface.
* The form defined here is a proposed correction for that error.
*
* @version $Rev$ $Date$
*/
@Target({TYPE, METHOD, FIELD})
@Retention(RUNTIME)
public @interface Callback {
/**
* The Class of the associated callback interface.
*
* @return the associated callback interface
*/
Class<?> value() default Void.class;
}
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