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

   1 /*******************************************************************************
   2  * Copyright (c) 2013 École Polytechnique de Montréal
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8
   9  * Contributors:
  10  *   François Rajotte - Initial API and implementation
  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 long integer (8 bytes).
  19  *
  20  * @version 1.0
  21  * @author François Rajotte
  22  */
  23 final class LongStateValue extends TmfStateValue {
  24
  25     private final long value;
  26
  27     public LongStateValue(long valueAsLong) {
  28         this.value = valueAsLong;
  29     }
  30
  31     @Override
  32     public Type getType() {
  33         return Type.LONG;
  34     }
  35
  36     @Override
  37     public boolean isNull() {
  38         return false;
  39     }
  40     @Override
  41     public boolean equals(@Nullable Object object) {
  42         if (!(object instanceof LongStateValue)) {
  43             return false;
  44         }
  45         LongStateValue other = (LongStateValue) object;
  46         return (this.value == other.value);
  47     }
  48
  49     @Override
  50     public int hashCode() {
  51         return ((int) value) ^ ((int) (value >>> 32));
  52     }
  53
  54     @Override
  55     public @Nullable String toString() {
  56         return String.format("%3d", value); //$NON-NLS-1$
  57     }
  58
  59     // ------------------------------------------------------------------------
  60     // Unboxing methods
  61     // ------------------------------------------------------------------------
  62
  63     @Override
  64     public long unboxLong() {
  65         return value;
  66     }
  67 }