Commit | Line | Data |
---|---|---|
a3c22e8e | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2013, 2014 Ericsson |
a3c22e8e AM |
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 | * Alexandre Montplaisir - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
e894a508 | 13 | package org.eclipse.tracecompass.statesystem.core.statevalue; |
a3c22e8e | 14 | |
75d2d348 | 15 | import org.eclipse.jdt.annotation.Nullable; |
f0247a1a | 16 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; |
75d2d348 | 17 | |
a3c22e8e AM |
18 | /** |
19 | * A state value containing a double primitive. | |
20 | * | |
21 | * @author Alexandre Montplaisir | |
22 | */ | |
23 | final class DoubleStateValue extends TmfStateValue { | |
24 | ||
6f7e27a0 | 25 | private final double value; |
a3c22e8e AM |
26 | |
27 | public DoubleStateValue(double value) { | |
6f7e27a0 | 28 | this.value = value; |
a3c22e8e AM |
29 | } |
30 | ||
31 | @Override | |
32 | public Type getType() { | |
ec5fec10 | 33 | return Type.DOUBLE; |
a3c22e8e AM |
34 | } |
35 | ||
36 | @Override | |
37 | public boolean isNull() { | |
38 | return false; | |
39 | } | |
40 | ||
41 | @Override | |
6f7e27a0 EB |
42 | public boolean equals(@Nullable Object object) { |
43 | if (!(object instanceof DoubleStateValue)) { | |
44 | return false; | |
45 | } | |
46 | DoubleStateValue other = (DoubleStateValue) object; | |
47 | return (Double.compare(this.value, other.value) == 0); | |
48 | } | |
49 | ||
50 | @Override | |
51 | public int hashCode() { | |
52 | long bits = Double.doubleToLongBits(value); | |
53 | return ((int) bits) ^ ((int) (bits >>> 32)); | |
a3c22e8e AM |
54 | } |
55 | ||
56 | @Override | |
75d2d348 | 57 | public @Nullable String toString() { |
6f7e27a0 | 58 | return String.format("%3f", value); //$NON-NLS-1$ |
a3c22e8e AM |
59 | } |
60 | ||
61 | // ------------------------------------------------------------------------ | |
62 | // Unboxing methods | |
63 | // ------------------------------------------------------------------------ | |
64 | ||
65 | @Override | |
66 | public double unboxDouble() { | |
6f7e27a0 | 67 | return value; |
a3c22e8e | 68 | } |
f0247a1a NE |
69 | |
70 | @Override | |
71 | public int compareTo(@Nullable ITmfStateValue other) { | |
72 | if (other == null) { | |
73 | throw new IllegalArgumentException(); | |
74 | } | |
75 | ||
76 | switch (other.getType()) { | |
77 | case INTEGER: | |
78 | double otherDoubleValue = ((IntegerStateValue) other).unboxInt(); | |
79 | return Double.compare(this.value, otherDoubleValue); | |
80 | case DOUBLE: | |
81 | otherDoubleValue = ((DoubleStateValue) other).unboxDouble(); | |
82 | return Double.compare(this.value, otherDoubleValue); | |
83 | case LONG: | |
84 | otherDoubleValue = ((LongStateValue) other).unboxLong(); | |
85 | return Double.compare(this.value, otherDoubleValue); | |
86 | case NULL: | |
87 | return Double.compare(this.value, other.unboxDouble()); | |
88 | case STRING: | |
89 | throw new StateValueTypeException("A Double state value cannot be compared to a String state value."); //$NON-NLS-1$ | |
7ef85bff | 90 | case CUSTOM: |
f0247a1a NE |
91 | default: |
92 | throw new StateValueTypeException("A Double state value cannot be compared to the type " + other.getType()); //$NON-NLS-1$ | |
93 | } | |
94 | ||
95 | } | |
96 | ||
a3c22e8e | 97 | } |