/* *************************************************************************************** * 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.table.strategy; import com.espertech.esper.client.EventBean; import com.espertech.esper.epl.agg.service.AggregationRowPair; import com.espertech.esper.epl.expression.core.ExprEvaluatorContext; import com.espertech.esper.epl.expression.table.ExprTableAccessEvalStrategy; import com.espertech.esper.epl.table.mgmt.TableMetadataColumn; import com.espertech.esper.event.ObjectArrayBackedEventBean; import java.util.Collection; import java.util.Map; public class ExprTableEvalStrategyUngroupedTopLevel extends ExprTableEvalStrategyUngroupedBase implements ExprTableAccessEvalStrategy { private final Map<String, TableMetadataColumn> items; public ExprTableEvalStrategyUngroupedTopLevel(TableAndLockProviderUngrouped provider, Map<String, TableMetadataColumn> items) { super(provider); this.items = items; } public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) { ObjectArrayBackedEventBean event = lockTableReadAndGet(context); if (event == null) { return null; } AggregationRowPair row = ExprTableEvalStrategyUtil.getRow(event); return ExprTableEvalStrategyUtil.evalMap(event, row, items, eventsPerStream, isNewData, context); } public Object[] evaluateTypableSingle(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) { ObjectArrayBackedEventBean event = lockTableReadAndGet(context); if (event == null) { return null; } AggregationRowPair row = ExprTableEvalStrategyUtil.getRow(event); return ExprTableEvalStrategyUtil.evalTypable(event, row, items, eventsPerStream, isNewData, context); } public Collection<EventBean> evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) { return null; } public EventBean evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) { return null; } public Collection evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) { return null; } }