1 /*
   2  * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package sun.nio.ch.sctp;
  26 
  27 import javax.tools.annotation.GenerateNativeHeader;
  28 
  29 /**
  30  * Wraps the actual message or notification so that it can be
  31  * set and returned from the native receive implementation.
  32  */
  33 /* No native methods here, but the constants are needed in the supporting JNI code */
  34 @GenerateNativeHeader
  35 public class ResultContainer {
  36     /* static final ints so that they can be referenced from native */
  37     static final int NOTHING = 0;
  38     static final int MESSAGE = 1;
  39     static final int SEND_FAILED = 2;
  40     static final int ASSOCIATION_CHANGED = 3;
  41     static final int PEER_ADDRESS_CHANGED = 4;
  42     static final int SHUTDOWN = 5;
  43 
  44     private Object value;
  45     private int type;
  46 
  47     int type() {
  48         return type;
  49     }
  50 
  51     boolean hasSomething() {
  52         return type() != NOTHING;
  53     }
  54 
  55     boolean isNotification() {
  56         return type() != MESSAGE && type() != NOTHING ? true : false;
  57     }
  58 
  59     void clear() {
  60         type = NOTHING;
  61         value = null;
  62     }

   1 /*
   2  * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package sun.nio.ch.sctp;
  26 
  27 import java.lang.annotation.Native;
  28 
  29 /**
  30  * Wraps the actual message or notification so that it can be
  31  * set and returned from the native receive implementation.
  32  */


  33 public class ResultContainer {
  34     /* static final ints so that they can be referenced from native */
  35     @Native static final int NOTHING = 0;
  36     @Native static final int MESSAGE = 1;
  37     @Native static final int SEND_FAILED = 2;
  38     @Native static final int ASSOCIATION_CHANGED = 3;
  39     @Native static final int PEER_ADDRESS_CHANGED = 4;
  40     @Native static final int SHUTDOWN = 5;
  41 
  42     private Object value;
  43     private int type;
  44 
  45     int type() {
  46         return type;
  47     }
  48 
  49     boolean hasSomething() {
  50         return type() != NOTHING;
  51     }
  52 
  53     boolean isNotification() {
  54         return type() != MESSAGE && type() != NOTHING ? true : false;
  55     }
  56 
  57     void clear() {
  58         type = NOTHING;
  59         value = null;
  60     }