/*
* *************************************************************************************
* 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.core.context.mgr;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.EventPropertyGetter;
import com.espertech.esper.collection.MultiKeyUntyped;
import com.espertech.esper.core.context.util.AgentInstanceContext;
import com.espertech.esper.core.service.EPServicesContext;
import com.espertech.esper.core.service.EPStatementHandleCallback;
import com.espertech.esper.epl.spec.ContextDetailPartitionItem;
import com.espertech.esper.filter.FilterHandleCallback;
import com.espertech.esper.filter.FilterService;
import com.espertech.esper.filter.FilterValueSet;
import java.util.Collection;
public class ContextManagerPartitionedFilterCallback implements FilterHandleCallback {
private final AgentInstanceContext agentInstanceContextCreateContext;
private final EventPropertyGetter[] getters;
private final ContextManagerPartitionedInstanceCreateCallback callback;
private final EPStatementHandleCallback filterHandle;
public ContextManagerPartitionedFilterCallback(EPServicesContext servicesContext, AgentInstanceContext agentInstanceContextCreateContext, ContextDetailPartitionItem partitionItem, ContextManagerPartitionedInstanceCreateCallback callback) {
this.agentInstanceContextCreateContext = agentInstanceContextCreateContext;
this.callback = callback;
filterHandle = new EPStatementHandleCallback(agentInstanceContextCreateContext.getEpStatementAgentInstanceHandle(), this);
getters = new EventPropertyGetter[partitionItem.getPropertyNames().size()];
for (int i = 0; i < partitionItem.getPropertyNames().size(); i++) {
String propertyName = partitionItem.getPropertyNames().get(i);
EventPropertyGetter getter = partitionItem.getFilterSpecCompiled().getFilterForEventType().getGetter(propertyName);
getters[i] = getter;
}
FilterValueSet filterValueSet = partitionItem.getFilterSpecCompiled().getValueSet(null, null, null);
servicesContext.getFilterService().add(filterValueSet, filterHandle);
}
public void matchFound(EventBean event, Collection<FilterHandleCallback> allStmtMatches) {
Object key;
if (getters.length > 1) {
Object[] keys = new Object[getters.length];
for (int i = 0; i < keys.length; i++) {
keys[i] = getters[i].get(event);
}
key = new MultiKeyUntyped(keys);
}
else {
key = getters[0].get(event);
}
callback.create(key, event);
}
public boolean isSubSelect() {
return false;
}
public String getStatementId() {
return agentInstanceContextCreateContext.getStatementContext().getStatementId();
}
public void destroy(FilterService filterService) {
filterService.remove(filterHandle);
}
}