| 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 | * William Bourque (wbourque@gmail.com) - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.lttng.event; |
| 14 | |
| 15 | import org.eclipse.linuxtools.tmf.event.TmfEventContent; |
| 16 | import org.eclipse.linuxtools.tmf.event.TmfEventField; |
| 17 | |
| 18 | /** |
| 19 | * <b><u>LttngEventField</u></b><p> |
| 20 | * |
| 21 | * Lttng specific implementation of the TmfEventField.<p> |
| 22 | * |
| 23 | * LttngEventField add a "name" attribute to the Tmf implementation This |
| 24 | * mean the fields will have a name and a value. |
| 25 | */ |
| 26 | public class LttngEventField extends TmfEventField { |
| 27 | |
| 28 | /** |
| 29 | * Constructor with parameters.<p> |
| 30 | * |
| 31 | * @param parent Parent content for this field |
| 32 | * @param id Name (label) of this field |
| 33 | */ |
| 34 | public LttngEventField(TmfEventContent parent, String id) { |
| 35 | super(parent, id, null); |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * Constructor with parameters with optional value.<p> |
| 40 | * |
| 41 | * @param parent Parent content for this field |
| 42 | * @param id Name (label) of this field |
| 43 | * @param value Parsed value (payload) of this field |
| 44 | */ |
| 45 | public LttngEventField(TmfEventContent parent, String id, Object value) { |
| 46 | super(parent, id, value); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Copy constructor.<p> |
| 51 | * |
| 52 | * @param oldField the field to copy from |
| 53 | */ |
| 54 | public LttngEventField(LttngEventField oldField) { |
| 55 | this(oldField.getParent(), oldField.getId(), oldField.getValue()); |
| 56 | } |
| 57 | |
| 58 | @Override |
| 59 | @SuppressWarnings("nls") |
| 60 | public String toString() { |
| 61 | Object value = getValue(); |
| 62 | return getId() + ":" + ((value != null) ? value.toString() : "null"); |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | public LttngEventField clone() { |
| 67 | LttngEventField clone = (LttngEventField) super.clone(); |
| 68 | clone.fValue = fValue; |
| 69 | return clone; |
| 70 | } |
| 71 | |
| 72 | } |