| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2011-2012 Ericsson, Ecole Polytechnique de Montreal and others |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are made |
| 5 | * 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: Matthew Khouzam - Initial API and implementation |
| 10 | * Contributors: Simon Marchi - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.ctf.core.event.types; |
| 14 | |
| 15 | import java.util.HashMap; |
| 16 | |
| 17 | /** |
| 18 | * <b><u>VariantDeclaration</u></b> |
| 19 | */ |
| 20 | public class VariantDeclaration implements IDeclaration { |
| 21 | |
| 22 | // ------------------------------------------------------------------------ |
| 23 | // Attributes |
| 24 | // ------------------------------------------------------------------------ |
| 25 | |
| 26 | private String tag = null; |
| 27 | private long alignment; |
| 28 | private final HashMap<String, IDeclaration> fields = new HashMap<String, IDeclaration>(); |
| 29 | |
| 30 | // ------------------------------------------------------------------------ |
| 31 | // Constructors |
| 32 | // ------------------------------------------------------------------------ |
| 33 | |
| 34 | public VariantDeclaration() { |
| 35 | } |
| 36 | |
| 37 | // ------------------------------------------------------------------------ |
| 38 | // Getters/Setters/Predicates |
| 39 | // ------------------------------------------------------------------------ |
| 40 | |
| 41 | public boolean isTagged() { |
| 42 | return tag != null; |
| 43 | } |
| 44 | |
| 45 | public boolean hasField(String fieldTag) { |
| 46 | return fields.containsKey(fieldTag); |
| 47 | } |
| 48 | |
| 49 | public void setTag(String tag) { |
| 50 | this.tag = tag; |
| 51 | } |
| 52 | |
| 53 | public String getTag() { |
| 54 | return this.tag; |
| 55 | } |
| 56 | |
| 57 | public HashMap<String, IDeclaration> getFields() { |
| 58 | return this.fields; |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public long getAlignment() { |
| 63 | return alignment; |
| 64 | } |
| 65 | // ------------------------------------------------------------------------ |
| 66 | // Operations |
| 67 | // ------------------------------------------------------------------------ |
| 68 | |
| 69 | @Override |
| 70 | public VariantDefinition createDefinition(IDefinitionScope definitionScope, |
| 71 | String fieldName) { |
| 72 | return new VariantDefinition(this, definitionScope, fieldName); |
| 73 | } |
| 74 | |
| 75 | public void addField(String fieldTag, IDeclaration declaration) { |
| 76 | fields.put(fieldTag, declaration); |
| 77 | alignment = Math.max(alignment, declaration.getAlignment()); |
| 78 | } |
| 79 | |
| 80 | @Override |
| 81 | public String toString() { |
| 82 | /* Only used for debugging */ |
| 83 | return "[declaration] variant[" + Integer.toHexString(hashCode()) + ']'; //$NON-NLS-1$ |
| 84 | } |
| 85 | |
| 86 | } |