Java tutorial
/* * ************************************************************************************* * 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.regression.event; import com.espertech.esper.client.*; import com.espertech.esper.client.scopetest.EPAssertionUtil; import com.espertech.esper.client.scopetest.SupportUpdateListener; import com.espertech.esper.core.service.EPServiceProviderSPI; import com.espertech.esper.event.arr.ObjectArrayEventBean; import com.espertech.esper.event.map.MapEventBean; import com.espertech.esper.support.bean.*; import com.espertech.esper.support.client.SupportConfigFactory; import junit.framework.TestCase; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import java.util.*; public class TestMapObjectArrayInterUse extends TestCase { private EPServiceProvider epService; private SupportUpdateListener listener; public void setUp() { Configuration configuration = SupportConfigFactory.getConfiguration(); epService = EPServiceProviderManager.getDefaultProvider(configuration); epService.initialize(); listener = new SupportUpdateListener(); } public void tearDown() { listener = null; } // test ObjectArray event with Map, Map[], MapType and MapType[] properties public void testObjectArrayWithMap() { epService.getEPAdministrator().getConfiguration().addEventType("MapType", Collections.<String, Object>singletonMap("im", String.class)); epService.getEPAdministrator().getConfiguration().addEventType("OAType", "p0,p1,p2,p3".split(","), new Object[] { String.class, "MapType", "MapType[]", Collections.<String, Object>singletonMap("om", String.class) }); EPStatement stmt = epService.getEPAdministrator() .createEPL("select p0 as c0, p1.im as c1, p2[0].im as c2, p3.om as c3 from OAType"); stmt.addListener(listener); epService.getEPRuntime().sendEvent(new Object[] { "E1", Collections.singletonMap("im", "IM1"), new Map[] { Collections.singletonMap("im", "IM2") }, Collections.singletonMap("om", "OM1") }, "OAType"); EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), "c0,c1,c2,c3".split(","), new Object[] { "E1", "IM1", "IM2", "OM1" }); epService.getEPAdministrator().destroyAllStatements(); // test inserting from array to map epService.getEPAdministrator().createEPL("insert into MapType(im) select p0 from OAType") .addListener(listener); epService.getEPRuntime().sendEvent(new Object[] { "E1" }, "OAType"); assertTrue(listener.assertOneGetNew() instanceof MapEventBean); assertEquals("E1", listener.assertOneGetNew().get("im")); } // test Map event with ObjectArrayType and ObjectArrayType[] properties public void testMapWithObjectArray() { epService.getEPAdministrator().getConfiguration().addEventType("OAType", "p0,p1".split(","), new Object[] { String.class, Integer.class }); Map<String, Object> def = new HashMap<String, Object>(); def.put("oa1", "OAType"); def.put("oa2", "OAType[]"); epService.getEPAdministrator().getConfiguration().addEventType("MapType", def); EPStatement stmt = epService.getEPAdministrator() .createEPL("select oa1.p0 as c0, oa1.p1 as c1, oa2[0].p0 as c2, oa2[1].p1 as c3 from MapType"); stmt.addListener(listener); Map<String, Object> data = new HashMap<String, Object>(); data.put("oa1", new Object[] { "A", 100 }); data.put("oa2", new Object[][] { { "B", 200 }, { "C", 300 } }); epService.getEPRuntime().sendEvent(data, "MapType"); EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), "c0,c1,c2,c3".split(","), new Object[] { "A", 100, "B", 300 }); epService.getEPAdministrator().destroyAllStatements(); // test inserting from map to array epService.getEPAdministrator().createEPL("insert into OAType select 'a' as p0, 1 as p1 from MapType") .addListener(listener); epService.getEPRuntime().sendEvent(data, "MapType"); assertTrue(listener.assertOneGetNew() instanceof ObjectArrayEventBean); assertEquals("a", listener.assertOneGetNew().get("p0")); assertEquals(1, listener.assertOneGetNew().get("p1")); } }