/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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 org.apache.uima.ruta.rule; | |
import static java.util.Arrays.asList; | |
import static java.util.Collections.emptyList; | |
import java.util.ArrayList; | |
import java.util.Arrays; | |
import java.util.Collection; | |
import java.util.List; | |
import org.apache.uima.cas.text.AnnotationFS; | |
import org.apache.uima.ruta.RutaEnvironment; | |
import org.apache.uima.ruta.RutaProcessRuntimeException; | |
import org.apache.uima.ruta.RutaStream; | |
import org.apache.uima.ruta.action.AbstractRutaAction; | |
import org.apache.uima.ruta.block.RutaBlock; | |
import org.apache.uima.ruta.condition.AbstractRutaCondition; | |
import org.apache.uima.ruta.rule.quantifier.NormalQuantifier; | |
import org.apache.uima.ruta.visitor.InferenceCrowd; | |
public class RutaOptionalRuleElement extends RutaRuleElement { | |
public RutaOptionalRuleElement(List<AbstractRutaCondition> conditions, | |
List<AbstractRutaAction> actions, RuleElementContainer container, RutaBlock parent) { | |
super(null, new NormalQuantifier(), conditions, actions, container, parent); | |
} | |
@Override | |
public Collection<? extends AnnotationFS> getAnchors(RutaStream stream) { | |
throw new RutaProcessRuntimeException( | |
"Using an optional rule lement as anchor is not allowed!"); | |
} | |
@Override | |
public List<RuleMatch> startMatch(RuleMatch ruleMatch, RuleApply ruleApply, | |
ComposedRuleElementMatch containerMatch, RuleElement entryPoint, RutaStream stream, | |
InferenceCrowd crowd) { | |
throw new RutaProcessRuntimeException( | |
"Using an optional rule lement as anchor is not allowed!"); | |
} | |
@Override | |
public void doMatch(boolean after, AnnotationFS annotation, RuleMatch ruleMatch, | |
ComposedRuleElementMatch containerMatch, boolean ruleAnchor, RutaStream stream, | |
InferenceCrowd crowd) { | |
RuleElementMatch result = new RuleElementMatch(this, containerMatch); | |
result.setRuleAnchor(ruleAnchor); | |
List<EvaluatedCondition> evaluatedConditions = new ArrayList<>( | |
conditions.size()); | |
boolean base = true; | |
MatchContext context = new MatchContext(annotation, this, ruleMatch, after); | |
List<AnnotationFS> textsMatched = annotation != null ? asList(annotation) : emptyList(); | |
// already set the matched text and inform others | |
result.setMatchInfo(base, textsMatched, stream); | |
RutaEnvironment environment = context.getParent().getEnvironment(); | |
environment.addMatchToVariable(ruleMatch, this, context, stream); | |
if (base) { | |
for (AbstractRutaCondition condition : conditions) { | |
crowd.beginVisit(condition, null); | |
EvaluatedCondition eval = condition.eval(context, stream, crowd); | |
crowd.endVisit(condition, null); | |
evaluatedConditions.add(eval); | |
if (!eval.isValue()) { | |
break; | |
} | |
} | |
} | |
result.setConditionInfo(base, evaluatedConditions); | |
if (result.matched()) { | |
boolean inlinedRulesMatched = matchInlinedRules(ruleMatch, result, stream, crowd); | |
result.setInlinedRulesMatched(inlinedRulesMatched); | |
} else { | |
// update label for failed match after evaluating conditions | |
environment.removeVariableValue(getLabel(), context); | |
} | |
ruleMatch.setMatched(ruleMatch.matched() && result.matched()); | |
} | |
@Override | |
protected boolean isNotConsumable(Collection<? extends AnnotationFS> nextAnnotations) { | |
return false; | |
} | |
@Override | |
public String toString() { | |
return "_"; | |
} | |
@Override | |
public long estimateAnchors(RutaStream stream) { | |
return Integer.MAX_VALUE; | |
} | |
@Override | |
public Collection<? extends AnnotationFS> getNextAnnotations(boolean after, | |
AnnotationFS annotation, RutaStream stream) { | |
return Arrays.asList(stream.getBasicNextTo(!after, annotation)); | |
} | |
} |