diff options
Diffstat (limited to 'sca-java-1.x/tags/1.2/modules/sca-api/src/main/java/org/osoa/sca/annotations/Callback.java')
-rw-r--r-- | sca-java-1.x/tags/1.2/modules/sca-api/src/main/java/org/osoa/sca/annotations/Callback.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.2/modules/sca-api/src/main/java/org/osoa/sca/annotations/Callback.java b/sca-java-1.x/tags/1.2/modules/sca-api/src/main/java/org/osoa/sca/annotations/Callback.java new file mode 100644 index 0000000000..a9fc36f769 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/sca-api/src/main/java/org/osoa/sca/annotations/Callback.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +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; +} |