/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.openjpa.persistence.query;
/**
* Enumeration of Operator that operate on a single expression.
*
* @author Pinaki Poddar
*
*/
public enum UnaryOperator {
ABS("ABS"),
ALL("ALL"),
ANY("ANY"),
AVG("AVG"),
COUNT("COUNT"),
DISTINCT("DISTINCT"),
EXISTS("EXISTS"),
INDEX("INDEX"),
ISEMPTY("IS EMPTY"),
ISEMPTY_NOT("IS NOT EMPTY"),
ISNULL("IS NULL"),
ISNULL_NOT("IS NOT NULL"),
LENGTH("LENGTH"),
LOCATE("LOCATE"),
LOWER("TOLOWER"),
MAX("MAX"),
MIN("MIN"),
MINUS("-"),
SIZE("SIZE"),
SOME("SOME"),
SQRT("SQRT"),
SUBSTRING("SUBSTR"),
SUM("SUM"),
TIMES("*"),
TRIM("TRIM"),
TYPE("TYPE"),
UPPER("TOUPPER");
private final String _symbol;
UnaryOperator(String symbol) {
_symbol = symbol;
}
public String toString() {
return _symbol;
}
}