001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.runtime.sql.exp.op; 020 021import lucee.runtime.sql.exp.Expression; 022import lucee.runtime.sql.exp.ExpressionSupport; 023 024public class Operation1 extends ExpressionSupport implements Operation { 025 026 private Expression exp; 027 private int operator; 028 029 030 /** 031 * @return the exp 032 */ 033 public Expression getExp() { 034 return exp; 035 } 036 037 /** 038 * @return the operator 039 */ 040 public int getOperator() { 041 return operator; 042 } 043 044 public Operation1(Expression exp, int operator) { 045 this.exp=exp; 046 this.operator=operator; 047 } 048 049 public String toString(boolean noAlias) { 050 if(!hasAlias() || noAlias) { 051 if(operator==OPERATION1_IS_NULL || operator==OPERATION1_IS_NOT_NULL) { 052 return exp.toString(true)+" "+Operation2.toString(operator); 053 } 054 return Operation2.toString(operator)+" "+exp.toString(true); 055 } 056 return toString(true)+" as "+getAlias(); 057 } 058 059}