/*
***************************************************************************************
* 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.db;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.EventType;
import com.espertech.esper.collection.MultiKey;
import com.espertech.esper.core.service.StatementContext;
import com.espertech.esper.core.support.SupportEventAdapterService;
import com.espertech.esper.core.support.SupportStatementContextFactory;
import com.espertech.esper.epl.expression.core.ExprIdentNodeImpl;
import com.espertech.esper.epl.expression.core.ExprNode;
import com.espertech.esper.epl.join.pollindex.PollResultIndexingStrategy;
import com.espertech.esper.epl.join.table.EventTable;
import com.espertech.esper.epl.join.table.UnindexedEventTableList;
import com.espertech.esper.supportunit.bean.SupportBean;
import com.espertech.esper.supportunit.epl.SupportStreamTypeSvc3Stream;
import junit.framework.TestCase;
import java.util.*;
public class TestDatabasePollingViewable extends TestCase {
private DatabasePollingViewable pollingViewable;
private PollResultIndexingStrategy indexingStrategy;
public void setUp() throws Exception {
List<String> inputProperties = Arrays.asList(new String[]{"s0.intPrimitive"});
DataCache dataCache = new DataCacheLRUImpl(100);
Map<String, Object> resultProperties = new HashMap<String, Object>();
resultProperties.put("myvarchar", String.class);
EventType resultEventType = SupportEventAdapterService.getService().createAnonymousMapType("test", resultProperties, true);
Map<MultiKey<Object>, List<EventBean>> pollResults = new HashMap<MultiKey<Object>, List<EventBean>>();
pollResults.put(new MultiKey<Object>(new Object[]{-1}), new LinkedList<EventBean>());
pollResults.put(new MultiKey<Object>(new Object[]{500}), new LinkedList<EventBean>());
SupportPollingStrategy supportPollingStrategy = new SupportPollingStrategy(pollResults);
pollingViewable = new DatabasePollingViewable(1, inputProperties, supportPollingStrategy, dataCache, resultEventType);
Map<Integer, List<ExprNode>> sqlParameters = new HashMap<Integer, List<ExprNode>>();
sqlParameters.put(1, Collections.singletonList((ExprNode) new ExprIdentNodeImpl("intPrimitive", "s0")));
pollingViewable.validate(null, new SupportStreamTypeSvc3Stream(), null, null, null, null, null, null, null, sqlParameters, null, SupportStatementContextFactory.makeContext());
indexingStrategy = new PollResultIndexingStrategy() {
public EventTable[] index(List<EventBean> pollResult, boolean isActiveCache, StatementContext statementContext) {
return new EventTable[]{new UnindexedEventTableList(pollResult, -1)};
}
public String toQueryPlan() {
return this.getClass().getSimpleName() + " unindexed";
}
};
}
public void testPoll() {
EventBean[][] input = new EventBean[2][2];
input[0] = new EventBean[]{makeEvent(-1), null};
input[1] = new EventBean[]{makeEvent(500), null};
EventTable[][] resultRows = pollingViewable.poll(input, indexingStrategy, null);
// should have joined to two rows
assertEquals(2, resultRows.length);
assertTrue(resultRows[0][0].isEmpty());
assertTrue(resultRows[1][0].isEmpty());
}
private EventBean makeEvent(int intPrimitive) {
SupportBean bean = new SupportBean();
bean.setIntPrimitive(intPrimitive);
return SupportEventAdapterService.getService().adapterForBean(bean);
}
}