/*
***************************************************************************************
* 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.client.soda;
import java.io.StringWriter;
/**
* Expression returning a property value.
*/
public class PropertyValueExpression extends ExpressionBase {
private String propertyName;
private static final long serialVersionUID = -1736666647795932881L;
/**
* Ctor.
*/
public PropertyValueExpression() {
}
/**
* Ctor.
*
* @param propertyName is the name of the property
*/
public PropertyValueExpression(String propertyName) {
this.propertyName = propertyName.trim();
}
/**
* Returns the property name.
*
* @return name of the property
*/
public String getPropertyName() {
return propertyName;
}
/**
* Sets the property name.
*
* @param propertyName name of the property
*/
public void setPropertyName(String propertyName) {
this.propertyName = propertyName;
}
public ExpressionPrecedenceEnum getPrecedence() {
return ExpressionPrecedenceEnum.UNARY;
}
public void toPrecedenceFreeEPL(StringWriter writer) {
writer.write(propertyName);
}
}