com.bstek.urule.runtime.rete.TerminalActivity Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2017 Bstek
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
******************************************************************************/
package com.bstek.urule.runtime.rete;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import com.bstek.urule.debug.MsgType;
import com.bstek.urule.model.rule.Rule;
import com.bstek.urule.runtime.KnowledgeSession;
import com.bstek.urule.runtime.agenda.ActivationImpl;
import com.bstek.urule.runtime.event.impl.ActivationCreatedEventImpl;
/**
* @author Jacky.gao
* @since 2015年1月8日
*/
public class TerminalActivity extends AbstractActivity {
private Rule rule;
public TerminalActivity(Rule rule) {
this.rule = rule;
}
public Collection enter(EvaluationContext context, Object obj,FactTracker tracker,Map variableMap) {
List result=new ArrayList();
ActivationImpl ac=new ActivationImpl(rule,variableMap);
tracker.setActivation(ac);
result.add(tracker);
KnowledgeSession session = (KnowledgeSession)context.getWorkingMemory();
session.fireEvent(new ActivationCreatedEventImpl(ac,session));
if(rule.getDebug()!=null){
String msg="√√√规则【"+rule.getName()+"】成功匹配";
context.debugMsg(msg, MsgType.RuleMatch, rule.getDebug());
}
return result;
}
@Override
public boolean orNodeIsPassed() {
return false;
}
@Override
public void reset() {
}
}