| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2009 Ericsson |
| 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 | * Francois Chouinard - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.tmf.event; |
| 14 | |
| 15 | /** |
| 16 | * <b><u>TmfEventField</u></b> |
| 17 | * <p> |
| 18 | * A basic event field. |
| 19 | * |
| 20 | * TODO: Add support for field hierarchy. |
| 21 | */ |
| 22 | public class TmfEventField { |
| 23 | |
| 24 | // ------------------------------------------------------------------------ |
| 25 | // Attributes |
| 26 | // ------------------------------------------------------------------------ |
| 27 | |
| 28 | private final TmfEventContent fParent; |
| 29 | private final String fFieldId; |
| 30 | private Object fValue; |
| 31 | |
| 32 | // ------------------------------------------------------------------------ |
| 33 | // Constructors |
| 34 | // ------------------------------------------------------------------------ |
| 35 | |
| 36 | @SuppressWarnings("unused") |
| 37 | private TmfEventField() { |
| 38 | throw new AssertionError(); |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * @param parent |
| 43 | * @param id |
| 44 | * @param value |
| 45 | */ |
| 46 | public TmfEventField(TmfEventContent parent, String id, Object value) { |
| 47 | if (id == null) { |
| 48 | throw new IllegalArgumentException(); |
| 49 | } |
| 50 | fParent = parent; |
| 51 | fFieldId = id; |
| 52 | fValue = value; |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * @param other |
| 57 | */ |
| 58 | public TmfEventField(TmfEventField other) { |
| 59 | if (other == null) |
| 60 | throw new IllegalArgumentException(); |
| 61 | fParent = other.fParent; |
| 62 | fFieldId = other.fFieldId; |
| 63 | fValue = other.fValue; |
| 64 | } |
| 65 | |
| 66 | // ------------------------------------------------------------------------ |
| 67 | // Accessors |
| 68 | // ------------------------------------------------------------------------ |
| 69 | |
| 70 | /** |
| 71 | * @return |
| 72 | */ |
| 73 | public TmfEventContent getParent() { |
| 74 | return fParent; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * @return |
| 79 | */ |
| 80 | public String getId() { |
| 81 | return fFieldId; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * @return |
| 86 | */ |
| 87 | public Object getValue() { |
| 88 | return fValue; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * @param value new field value |
| 93 | */ |
| 94 | protected void setValue(Object value) { |
| 95 | fValue = value; |
| 96 | } |
| 97 | |
| 98 | // ------------------------------------------------------------------------ |
| 99 | // Object |
| 100 | // ------------------------------------------------------------------------ |
| 101 | |
| 102 | @Override |
| 103 | public int hashCode() { |
| 104 | return fFieldId.hashCode(); |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public boolean equals(Object other) { |
| 109 | if (!(other instanceof TmfEventField)) |
| 110 | return false; |
| 111 | TmfEventField o = (TmfEventField) other; |
| 112 | return fParent.equals(o.fParent) && fFieldId.equals(o.fFieldId) && fValue.equals(o.fValue); |
| 113 | } |
| 114 | |
| 115 | @Override |
| 116 | public String toString() { |
| 117 | return "[TmfEventField(" + fFieldId + ":" + fValue.toString() + ")]"; |
| 118 | } |
| 119 | |
| 120 | } |