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a52fde77 | 1 | /******************************************************************************* |
11252342 | 2 | * Copyright (c) 2012, 2013 Ericsson |
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3 | * Copyright (c) 2010, 2011 École Polytechnique de Montréal |
4 | * Copyright (c) 2010, 2011 Alexandre Montplaisir <alexandre.montplaisir@gmail.com> | |
2cb26548 | 5 | * |
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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 | |
2cb26548 | 10 | * |
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11 | *******************************************************************************/ |
12 | ||
e894a508 | 13 | package org.eclipse.tracecompass.statesystem.core.statevalue; |
a52fde77 | 14 | |
77c2c2c9 | 15 | import org.eclipse.jdt.annotation.Nullable; |
f0247a1a | 16 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; |
77c2c2c9 | 17 | |
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18 | /** |
19 | * A state value containing a simple integer. | |
a52fde77 | 20 | * |
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21 | * @version 1.0 |
22 | * @author Alexandre Montplaisir | |
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23 | */ |
24 | final class IntegerStateValue extends TmfStateValue { | |
25 | ||
6f7e27a0 | 26 | private final int value; |
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27 | |
28 | public IntegerStateValue(int valueAsInt) { | |
6f7e27a0 | 29 | this.value = valueAsInt; |
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30 | } |
31 | ||
32 | @Override | |
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33 | public Type getType() { |
34 | return Type.INTEGER; | |
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35 | } |
36 | ||
37 | @Override | |
38 | public boolean isNull() { | |
39 | return false; | |
40 | } | |
41 | ||
42 | @Override | |
6f7e27a0 EB |
43 | public boolean equals(@Nullable Object object) { |
44 | if (!(object instanceof IntegerStateValue)) { | |
45 | return false; | |
46 | } | |
47 | IntegerStateValue other = (IntegerStateValue) object; | |
48 | return (this.value == other.value); | |
49 | } | |
50 | ||
51 | @Override | |
52 | public int hashCode() { | |
53 | return value; | |
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54 | } |
55 | ||
a52fde77 | 56 | @Override |
77c2c2c9 | 57 | public @Nullable String toString() { |
6f7e27a0 | 58 | return String.format("%3d", value); //$NON-NLS-1$ |
a52fde77 | 59 | } |
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60 | |
61 | // ------------------------------------------------------------------------ | |
62 | // Unboxing methods | |
63 | // ------------------------------------------------------------------------ | |
64 | ||
65 | @Override | |
66 | public int unboxInt() { | |
6f7e27a0 | 67 | return value; |
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68 | } |
69 | ||
70 | @Override | |
71 | public long unboxLong() { | |
359eeba0 | 72 | /* It's always safe to up-cast an int into a long */ |
6f7e27a0 | 73 | return value; |
a9cdbafc | 74 | } |
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75 | |
76 | @Override | |
77 | public int compareTo(@Nullable ITmfStateValue other) { | |
78 | if (other == null) { | |
79 | throw new IllegalArgumentException(); | |
80 | } | |
81 | ||
82 | switch (other.getType()) { | |
83 | case INTEGER: | |
84 | IntegerStateValue otherIntValue = (IntegerStateValue) other; | |
85 | return Integer.compare(this.value, otherIntValue.value); | |
86 | case DOUBLE: | |
87 | double otherDoubleValue = ((DoubleStateValue) other).unboxDouble(); | |
88 | return Double.compare(this.value, otherDoubleValue); | |
89 | case LONG: | |
90 | long otherLongValue = ((LongStateValue) other).unboxLong(); | |
91 | return Long.compare(this.value, otherLongValue); | |
92 | case NULL: | |
93 | return Integer.compare(this.value, other.unboxInt()); | |
94 | case STRING: | |
95 | throw new StateValueTypeException("An Integer state value cannot be compared to a String state value."); //$NON-NLS-1$ | |
96 | default: | |
97 | throw new StateValueTypeException("An Integer state value cannot be compared to the type " + other.getType()); //$NON-NLS-1$ | |
98 | } | |
99 | ||
100 | } | |
101 | ||
a52fde77 | 102 | } |