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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jfreechart/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * ----------------------------- 28: * KeyedValueComparatorType.java 29: * ----------------------------- 30: * (C) Copyright 2003-2005, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * $Id: KeyedValueComparatorType.java,v 1.3.2.1 2005/10/25 21:29:13 mungady Exp $ 36: * 37: * Changes: 38: * -------- 39: * 05-Mar-2003 : Version 1 (DG); 40: * 41: */ 42: 43: package org.jfree.data; 44: 45: 46: /** 47: * Used to indicate the type of a {@link KeyedValueComparator} : 'by key' or 48: * 'by value'. 49: */ 50: public final class KeyedValueComparatorType { 51: 52: /** An object representing 'by key' sorting. */ 53: public static final KeyedValueComparatorType BY_KEY 54: = new KeyedValueComparatorType("KeyedValueComparatorType.BY_KEY"); 55: 56: /** An object representing 'by value' sorting. */ 57: public static final KeyedValueComparatorType BY_VALUE 58: = new KeyedValueComparatorType("KeyedValueComparatorType.BY_VALUE"); 59: 60: /** The name. */ 61: private String name; 62: 63: /** 64: * Private constructor. 65: * 66: * @param name the name. 67: */ 68: private KeyedValueComparatorType(String name) { 69: this.name = name; 70: } 71: 72: /** 73: * Returns a string representing the object. 74: * 75: * @return The string. 76: */ 77: public String toString() { 78: return this.name; 79: } 80: 81: /** 82: * Returns <code>true</code> if this object is equal to the specified 83: * object, and <code>false</code> otherwise. 84: * 85: * @param o the other object. 86: * 87: * @return A boolean. 88: */ 89: public boolean equals(Object o) { 90: if (this == o) { 91: return true; 92: } 93: if (!(o instanceof KeyedValueComparatorType)) { 94: return false; 95: } 96: 97: KeyedValueComparatorType type = (KeyedValueComparatorType) o; 98: if (!this.name.equals(type.name)) { 99: return false; 100: } 101: 102: return true; 103: } 104: 105: /** 106: * Returns a hash code. 107: * 108: * @return A hash code. 109: */ 110: public int hashCode() { 111: return this.name.hashCode(); 112: } 113: }