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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2007, 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 2003-2007, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * Changes: 36: * -------- 37: * 05-Mar-2003 : Version 1 (DG); 38: * 39: */ 40: 41: package org.jfree.data; 42: 43: 44: /** 45: * Used to indicate the type of a {@link KeyedValueComparator} : 'by key' or 46: * 'by value'. 47: */ 48: public final class KeyedValueComparatorType { 49: 50: /** An object representing 'by key' sorting. */ 51: public static final KeyedValueComparatorType BY_KEY 52: = new KeyedValueComparatorType("KeyedValueComparatorType.BY_KEY"); 53: 54: /** An object representing 'by value' sorting. */ 55: public static final KeyedValueComparatorType BY_VALUE 56: = new KeyedValueComparatorType("KeyedValueComparatorType.BY_VALUE"); 57: 58: /** The name. */ 59: private String name; 60: 61: /** 62: * Private constructor. 63: * 64: * @param name the name. 65: */ 66: private KeyedValueComparatorType(String name) { 67: this.name = name; 68: } 69: 70: /** 71: * Returns a string representing the object. 72: * 73: * @return The string. 74: */ 75: public String toString() { 76: return this.name; 77: } 78: 79: /** 80: * Returns <code>true</code> if this object is equal to the specified 81: * object, and <code>false</code> otherwise. 82: * 83: * @param o the other object. 84: * 85: * @return A boolean. 86: */ 87: public boolean equals(Object o) { 88: if (this == o) { 89: return true; 90: } 91: if (!(o instanceof KeyedValueComparatorType)) { 92: return false; 93: } 94: 95: KeyedValueComparatorType type = (KeyedValueComparatorType) o; 96: if (!this.name.equals(type.name)) { 97: return false; 98: } 99: 100: return true; 101: } 102: 103: /** 104: * Returns a hash code. 105: * 106: * @return A hash code. 107: */ 108: public int hashCode() { 109: return this.name.hashCode(); 110: } 111: } 112: