/*
***************************************************************************************
* 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.inner;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.EventType;
import com.espertech.esper.epl.expression.core.ExprEvaluator;
import com.espertech.esper.epl.expression.core.ExprEvaluatorContext;
import com.espertech.esper.epl.expression.dot.ExprDotEvalRootChildInnerEval;
import com.espertech.esper.epl.rettype.EPType;
import com.espertech.esper.epl.rettype.EPTypeHelper;
import java.util.Arrays;
import java.util.Collection;
public class InnerEvaluatorArrObjectToColl implements ExprDotEvalRootChildInnerEval {
private final ExprEvaluator rootEvaluator;
public InnerEvaluatorArrObjectToColl(ExprEvaluator rootEvaluator) {
this.rootEvaluator = rootEvaluator;
}
public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext) {
Object array = rootEvaluator.evaluate(eventsPerStream, isNewData, exprEvaluatorContext);
if (array == null) {
return null;
}
return Arrays.asList((Object[]) array);
}
public Collection<EventBean> evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) {
return null;
}
public Collection evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) {
return null;
}
public EventType getEventTypeCollection() {
return null;
}
public Class getComponentTypeCollection() {
return null;
}
public EventBean evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) {
return null;
}
public EventType getEventTypeSingle() {
return null;
}
public EPType getTypeInfo() {
return EPTypeHelper.collectionOfSingleValue(rootEvaluator.getType().getComponentType());
}
}