1 files changed, 42 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/spec/sca/src/main/java/org/osoa/sca/annotations/Callback.java b/sca-java-1.x/tags/java-M1-final/java/spec/sca/src/main/java/org/osoa/sca/annotations/Callback.java
new file mode 100644
index 0000000000..37e3adb9ff
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+++ b/sca-java-1.x/tags/java-M1-final/java/spec/sca/src/main/java/org/osoa/sca/annotations/Callback.java
@@ -0,0 +1,42 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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 java.lang.annotation.Retention;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+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.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({TYPE, METHOD, FIELD})
+@Retention(RUNTIME)
+public @interface Callback {
+    /**
+     * The Class of the callback interface.
+     */
+    Class<?> value() default Void.class;
+}