/*
***************************************************************************************
* 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.core.service;
public class ExpressionResultCacheService {
private final int declareExprCacheSize;
private final ThreadLocal<ExpressionResultCacheServiceHolder> threadCache;
public ExpressionResultCacheService(final int declareExprCacheSize) {
this.declareExprCacheSize = declareExprCacheSize;
this.threadCache = new ThreadLocal<ExpressionResultCacheServiceHolder>() {
protected synchronized ExpressionResultCacheServiceHolder initialValue() {
return new ExpressionResultCacheServiceHolder(declareExprCacheSize);
}
};
}
public ExpressionResultCacheForPropUnwrap getAllocateUnwrapProp() {
return threadCache.get().getAllocateUnwrapProp();
}
public ExpressionResultCacheForDeclaredExprLastValue getAllocateDeclaredExprLastValue() {
return threadCache.get().getAllocateDeclaredExprLastValue();
}
public ExpressionResultCacheForDeclaredExprLastColl getAllocateDeclaredExprLastColl() {
return threadCache.get().getAllocateDeclaredExprLastColl();
}
public ExpressionResultCacheForEnumerationMethod getAllocateEnumerationMethod() {
return threadCache.get().getAllocateEnumerationMethod();
}
public boolean isDeclaredExprCacheEnabled() {
return declareExprCacheSize > 0;
}
}