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Java > Open Source Codes > com4j > VTID


1 package com4j;
2
3 import java.lang.annotation.ElementType JavaDoc;
4 import java.lang.annotation.Retention JavaDoc;
5 import java.lang.annotation.RetentionPolicy JavaDoc;
6 import java.lang.annotation.Target JavaDoc;
7
8 /**
9  * Virtual table index of the method.
10  *
11  * <p>
12  * Java doesn't let us obtain the ordinal of a method,
13  * so we need to annotate that information explicitly.
14  *
15  * @author Kohsuke Kawaguchi (kk@kohsuke.org)
16  */
17 @Retention JavaDoc(RetentionPolicy.RUNTIME)
18 @Target JavaDoc({ElementType.METHOD})
19 public @interface VTID {
20     /**
21      * Ordinal of this COM method among methods on the same interface.
22      *
23      * <p>
24      * 0 is always QueryInterface, 1 is always AddRef, and
25      * 2 is always Release.
26      */
27     int value();
28 }
29
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