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1: /** 2: * ========================================= 3: * LibFormula : a free Java formula library 4: * ========================================= 5: * 6: * Project Info: http://reporting.pentaho.org/libformula/ 7: * 8: * (C) Copyright 2006-2007, by Pentaho Corporation and Contributors. 9: * 10: * This library is free software; you can redistribute it and/or modify it under the terms 11: * of the GNU Lesser General Public License as published by the Free Software Foundation; 12: * either version 2.1 of the License, or (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 16: * See the GNU Lesser General Public License for more details. 17: * 18: * You should have received a copy of the GNU Lesser General Public License along with this 19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 20: * Boston, MA 02111-1307, USA. 21: * 22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 23: * in the United States and other countries.] 24: * 25: * 26: * ------------ 27: * $Id: GreaterEqualOperator.java 2887 2007-06-06 17:07:52Z taqua $ 28: * ------------ 29: * (C) Copyright 2006-2007, by Pentaho Corporation. 30: */ 31: package org.jfree.formula.operators; 32: 33: /** 34: * Creation-Date: 31.10.2006, 16:34:11 35: * 36: * @author Thomas Morgner 37: */ 38: public class GreaterEqualOperator extends AbstractCompareOperator 39: { 40: public GreaterEqualOperator() 41: { 42: } 43: 44: protected boolean evaluate(final int compareResult) 45: { 46: return compareResult >= 0; 47: } 48: 49: public int getLevel() 50: { 51: return 400; 52: } 53: 54: public String toString() 55: { 56: return ">="; 57: } 58: 59: public boolean isLeftOperation() 60: { 61: return true; 62: } 63: 64: /** 65: * Defines, whether the operation is associative. For associative operations, 66: * the evaluation order does not matter, if the operation appears more than 67: * once in an expression, and therefore we can optimize them a lot better than 68: * non-associative operations (ie. merge constant parts and precompute them 69: * once). 70: * 71: * @return true, if the operation is associative, false otherwise 72: */ 73: public boolean isAssociative() 74: { 75: return false; 76: } 77: 78: }