01: /*
02: * Copyright (c) 1998-2005 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Sam
27: */
28:
29: package com.caucho.quercus.annotation;
30:
31: import java.lang.annotation.ElementType;
32: import java.lang.annotation.Retention;
33: import java.lang.annotation.RetentionPolicy;
34: import java.lang.annotation.Target;
35:
36: /**
37: * Mark a method such that if execution of the method returns null,
38: * the value returned to the Quercus caller is instead
39: * {@link com.caucho.quercus.env.BooleanValue.FALSE}.
40: *
41: * Note that the return value is not modified if
42: * the method returns {@link com.caucho.quercus.env.NullValue.NULL}.
43: */
44: @Target({ElementType.METHOD})
45: @Retention(RetentionPolicy.RUNTIME)
46: public @interface ReturnNullAsFalse {
47: }
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