/*
***************************************************************************************
* 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.index.quadtree;
import com.espertech.esper.epl.expression.core.ExprEvaluator;
import com.espertech.esper.epl.expression.core.ExprNode;
import com.espertech.esper.epl.expression.core.ExprNodeUtility;
import com.espertech.esper.epl.expression.core.ExprValidationException;
import com.espertech.esper.epl.index.service.EventAdvancedIndexProvisionDesc;
import com.espertech.esper.epl.lookup.AdvancedIndexDesc;
import static com.espertech.esper.epl.index.service.AdvancedIndexValidationHelper.validateColumnCount;
import static com.espertech.esper.epl.index.service.AdvancedIndexValidationHelper.validateColumnReturnTypeNumber;
public class AdvancedIndexFactoryProviderMXCIFQuadTree extends AdvancedIndexFactoryProviderQuadTree {
public EventAdvancedIndexProvisionDesc validateEventIndex(String indexName, String indexTypeName, ExprNode[] columns, ExprNode[] parameters) throws ExprValidationException {
validateColumnCount(4, indexTypeName, columns.length);
validateColumnReturnTypeNumber(indexTypeName, 0, columns[0], AdvancedIndexQuadTreeConstants.COL_X);
validateColumnReturnTypeNumber(indexTypeName, 1, columns[1], AdvancedIndexQuadTreeConstants.COL_Y);
validateColumnReturnTypeNumber(indexTypeName, 2, columns[2], AdvancedIndexQuadTreeConstants.COL_WIDTH);
validateColumnReturnTypeNumber(indexTypeName, 3, columns[3], AdvancedIndexQuadTreeConstants.COL_HEIGHT);
validateParameters(indexTypeName, parameters);
AdvancedIndexDesc indexDesc = new AdvancedIndexDesc(indexTypeName, columns);
ExprEvaluator xEval = indexDesc.getIndexedExpressions()[0].getExprEvaluator();
ExprEvaluator yEval = indexDesc.getIndexedExpressions()[1].getExprEvaluator();
ExprEvaluator widthEval = indexDesc.getIndexedExpressions()[2].getExprEvaluator();
ExprEvaluator heightEval = indexDesc.getIndexedExpressions()[3].getExprEvaluator();
AdvancedIndexConfigStatementMXCIFQuadtree indexStatementConfigs = new AdvancedIndexConfigStatementMXCIFQuadtree(xEval, yEval, widthEval, heightEval);
return new EventAdvancedIndexProvisionDesc(indexDesc, ExprNodeUtility.getEvaluators(parameters), EventAdvancedIndexFactoryQuadTreeMXCIF.INSTANCE, indexStatementConfigs);
}
}