/*
* *************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* 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.util;
import com.espertech.esper.client.Configuration;
import com.espertech.esper.client.ConfigurationInformation;
import com.espertech.esper.client.annotation.EventRepresentation;
import com.espertech.esper.epl.annotation.AnnotationUtil;
import com.espertech.esper.epl.spec.CreateSchemaDesc;
import java.lang.annotation.Annotation;
public class EventRepresentationUtil {
public static boolean isMap(Annotation[] annotations, ConfigurationInformation configs, CreateSchemaDesc.AssignedType assignedType) {
// assigned type has priority
if (assignedType == CreateSchemaDesc.AssignedType.OBJECTARRAY) {
return false;
}
if (assignedType == CreateSchemaDesc.AssignedType.MAP) {
return true;
}
if (assignedType == CreateSchemaDesc.AssignedType.VARIANT || assignedType != CreateSchemaDesc.AssignedType.NONE) {
throw new IllegalStateException("Not handled by event representation: " + assignedType);
}
// annotation has second priority
Annotation annotation = AnnotationUtil.findAnnotation(annotations, EventRepresentation.class);
if (annotation != null) {
EventRepresentation eventRepresentation = (EventRepresentation) annotation;
return !eventRepresentation.array();
}
// use engine-wide default
return configs.getEngineDefaults().getEventMeta().getDefaultEventRepresentation() == Configuration.EventRepresentation.MAP;
}
}