| /* |
| * (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.oasisopen.sca.annotation; |
| |
| 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; |
| } |