org.eclipse.linuxtools.statesystem.core/src/org/eclipse/linuxtools/statesystem/core/statevalue/IntegerStateValue.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2013 Ericsson
   3  * Copyright (c) 2010, 2011 École Polytechnique de Montréal
   4  * Copyright (c) 2010, 2011 Alexandre Montplaisir <alexandre.montplaisir@gmail.com>
   5  *
   6  * All rights reserved. This program and the accompanying materials are
   7  * made available under the terms of the Eclipse Public License v1.0 which
   8  * accompanies this distribution, and is available at
   9  * http://www.eclipse.org/legal/epl-v10.html
  10  *
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.statesystem.core.statevalue;
  14
  15 import org.eclipse.jdt.annotation.Nullable;
  16
  17 /**
  18  * A state value containing a simple integer.
  19  *
  20  * @version 1.0
  21  * @author Alexandre Montplaisir
  22  */
  23 final class IntegerStateValue extends TmfStateValue {
  24
  25     private final int value;
  26
  27     public IntegerStateValue(int valueAsInt) {
  28         this.value = valueAsInt;
  29     }
  30
  31     @Override
  32     public Type getType() {
  33         return Type.INTEGER;
  34     }
  35
  36     @Override
  37     public boolean isNull() {
  38         return false;
  39     }
  40
  41     @Override
  42     public boolean equals(@Nullable Object object) {
  43         if (!(object instanceof IntegerStateValue)) {
  44             return false;
  45         }
  46         IntegerStateValue other = (IntegerStateValue) object;
  47         return (this.value == other.value);
  48     }
  49
  50     @Override
  51     public int hashCode() {
  52         return value;
  53     }
  54
  55     @Override
  56     public @Nullable String toString() {
  57         return String.format("%3d", value); //$NON-NLS-1$
  58     }
  59
  60     // ------------------------------------------------------------------------
  61     // Unboxing methods
  62     // ------------------------------------------------------------------------
  63
  64     @Override
  65     public int unboxInt() {
  66         return value;
  67     }
  68
  69     @Override
  70     public long unboxLong() {
  71         /* It's always safe to up-cast an int into a long */
  72         return value;
  73     }
  74 }