org.apache.openjpa.persistence.query.UnaryOperator Maven / Gradle / Ivy

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/*
 * 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;
	}
}