/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.epl.expression.core;
/**
* Precendence levels for expressions.
*/
public enum ExprPrecedenceEnum {
/**
* Precedence.
*/
UNARY(11),
/**
* Precedence.
*/
MULTIPLY(10),
/**
* Precedence.
*/
ADDITIVE(9),
/**
* Precedence.
*/
CONCAT(8),
/**
* Precedence.
*/
RELATIONAL_BETWEEN_IN(7),
/**
* Precedence.
*/
EQUALS(6),
/**
* Precedence.
*/
NEGATED(5),
/**
* Precedence.
*/
BITWISE(4),
/**
* Precedence.
*/
AND(3),
/**
* Precedence.
*/
OR(2),
/**
* Precedence.
*/
CASE(1),
/**
* Precedence.
*/
MINIMUM(Integer.MIN_VALUE);
private final int level;
private ExprPrecedenceEnum(int level) {
this.level = level;
}
/**
* Level.
*
* @return level
*/
public int getLevel() {
return level;
}
}