| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2013, 2014 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.tracecompass.statesystem.core.statevalue; |
| 14 | |
| 15 | import org.eclipse.jdt.annotation.Nullable; |
| 16 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; |
| 17 | |
| 18 | /** |
| 19 | * A state value containing a long integer (8 bytes). |
| 20 | * |
| 21 | * @version 1.0 |
| 22 | * @author François Rajotte |
| 23 | */ |
| 24 | final class LongStateValue extends TmfStateValue { |
| 25 | |
| 26 | private final long value; |
| 27 | |
| 28 | public LongStateValue(long valueAsLong) { |
| 29 | this.value = valueAsLong; |
| 30 | } |
| 31 | |
| 32 | @Override |
| 33 | public Type getType() { |
| 34 | return Type.LONG; |
| 35 | } |
| 36 | |
| 37 | @Override |
| 38 | public boolean isNull() { |
| 39 | return false; |
| 40 | } |
| 41 | |
| 42 | @Override |
| 43 | public boolean equals(@Nullable Object object) { |
| 44 | if (!(object instanceof LongStateValue)) { |
| 45 | return false; |
| 46 | } |
| 47 | LongStateValue other = (LongStateValue) object; |
| 48 | return (this.value == other.value); |
| 49 | } |
| 50 | |
| 51 | @Override |
| 52 | public int hashCode() { |
| 53 | return ((int) value) ^ ((int) (value >>> 32)); |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public @Nullable String toString() { |
| 58 | return String.format("%3d", value); //$NON-NLS-1$ |
| 59 | } |
| 60 | |
| 61 | // ------------------------------------------------------------------------ |
| 62 | // Unboxing methods |
| 63 | // ------------------------------------------------------------------------ |
| 64 | |
| 65 | @Override |
| 66 | public long unboxLong() { |
| 67 | return value; |
| 68 | } |
| 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 | long otherLongValue = ((IntegerStateValue) other).unboxInt(); |
| 79 | return Long.compare(this.value, otherLongValue); |
| 80 | case DOUBLE: |
| 81 | double otherDoubleValue = ((DoubleStateValue) other).unboxDouble(); |
| 82 | return Double.compare(this.value, otherDoubleValue); |
| 83 | case LONG: |
| 84 | otherLongValue = ((LongStateValue) other).unboxLong(); |
| 85 | return Long.compare(this.value, otherLongValue); |
| 86 | case NULL: |
| 87 | return Long.compare(this.value, other.unboxLong()); |
| 88 | case STRING: |
| 89 | throw new StateValueTypeException("A Long state value cannot be compared to a String state value."); //$NON-NLS-1$ |
| 90 | default: |
| 91 | throw new StateValueTypeException("A Long state value cannot be compared to the type " + other.getType()); //$NON-NLS-1$ |
| 92 | } |
| 93 | |
| 94 | } |
| 95 | |
| 96 | } |