/*
***************************************************************************************
* 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.dot;
import com.espertech.esper.epl.expression.core.ExprEvaluator;
import com.espertech.esper.util.JavaClassHelper;
public abstract class ExprDotEvalPropertyExprBase implements ExprEvaluator {
protected final String statementName;
protected final String propertyName;
protected final int streamNum;
protected final ExprEvaluator exprEvaluator;
private final Class propertyType;
protected ExprDotEvalPropertyExprBase(String statementName, String propertyName, int streamNum, ExprEvaluator exprEvaluator, Class propertyType) {
this.statementName = statementName;
this.propertyName = propertyName;
this.streamNum = streamNum;
this.exprEvaluator = exprEvaluator;
this.propertyType = propertyType;
}
public Class getType() {
return propertyType;
}
protected String getWarningText(String expectedType, Object received) {
return "Statement '" + statementName + "' property " + propertyName + " parameter expression expected a value of " +
expectedType + " but received " + received == null ? "null" : JavaClassHelper.getClassNameFullyQualPretty(received.getClass());
}
}