src/nodes/Connection.java
author Matthias Mann
Sat Feb 11 13:27:12 2012 +0100 (3 months ago)
changeset 262 f896aec65113
permissions -rw-r--r--
allow mouse input for scrolling, don't update text area model when nothing has changed
     1 /*
     2  * Copyright (c) 2008-2011, Matthias Mann
     3  *
     4  * All rights reserved.
     5  *
     6  * Redistribution and use in source and binary forms, with or without
     7  * modification, are permitted provided that the following conditions are met:
     8  *
     9  *     * Redistributions of source code must retain the above copyright notice,
    10  *       this list of conditions and the following disclaimer.
    11  *     * Redistributions in binary form must reproduce the above copyright
    12  *       notice, this list of conditions and the following disclaimer in the
    13  *       documentation and/or other materials provided with the distribution.
    14  *     * Neither the name of Matthias Mann nor the names of its contributors may
    15  *       be used to endorse or promote products derived from this software
    16  *       without specific prior written permission.
    17  *
    18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    25  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    26  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    29  */
    30 package nodes;
    31 
    32 /**
    33  *
    34  * @author Matthias Mann
    35  */
    36 public class Connection {
    37 
    38     private final Pad source;
    39     private final Pad destination;
    40 
    41     public Connection(Pad source, Pad destination) {
    42         if(source == null) {
    43             throw new NullPointerException("source");
    44         }
    45         if(destination == null) {
    46             throw new NullPointerException("dest");
    47         }
    48         this.source = source;
    49         this.destination = destination;
    50     }
    51 
    52     public Pad getDestination() {
    53         return destination;
    54     }
    55 
    56     public Pad getSource() {
    57         return source;
    58     }
    59 
    60     @Override
    61     public boolean equals(Object obj) {
    62         if(obj == null || getClass() != obj.getClass()) {
    63             return false;
    64         }
    65         final Connection other = (Connection)obj;
    66         return (this.source == other.source) && (this.destination == other.destination);
    67     }
    68 
    69     @Override
    70     public int hashCode() {
    71         int hash = 7;
    72         hash = 79 * hash + System.identityHashCode(this.source);
    73         hash = 79 * hash + System.identityHashCode(this.destination);
    74         return hash;
    75     }
    76     
    77 }