| /* |
| * 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 java.util.List; |
| |
| import org.apache.uima.cas.text.AnnotationFS; |
| import org.apache.uima.ruta.block.RutaBlock; |
| |
| /** |
| * This is a generic container class for contextual information during rule matching |
| * |
| */ |
| public class MatchContext { |
| |
| private AnnotationFS annotation; |
| |
| private RuleElement element; |
| |
| private RutaBlock parent; |
| |
| private RuleMatch ruleMatch; |
| |
| private boolean direction = true; |
| |
| /** |
| * Container object of the current context during matching |
| * |
| * @param annotation - the currently matched annotation |
| * @param element - the current rule element |
| * @param ruleMatch - the current rule match |
| * @param direction, true: left to right, false: right to left |
| */ |
| public MatchContext(AnnotationFS annotation, RuleElement element, RuleMatch ruleMatch, |
| boolean direction) { |
| super(); |
| this.annotation = annotation; |
| this.element = element; |
| if (element != null) { |
| this.parent = element.getParent(); |
| } |
| this.ruleMatch = ruleMatch; |
| this.direction = direction; |
| } |
| |
| /** |
| * Container object of the current context during matching |
| * |
| * @param element - the current rule element |
| * @param ruleMatch - the current rule match |
| * @param direction - true: left to right, false: right to left |
| */ |
| public MatchContext(RuleElement element, RuleMatch ruleMatch, boolean direction) { |
| this(null, element, ruleMatch, direction); |
| } |
| |
| /** |
| * Container object of the current context during matching |
| * |
| * @param element - the current rule element |
| * @param ruleMatch - the current rule match |
| */ |
| public MatchContext(AbstractRuleElement element, RuleMatch ruleMatch) { |
| this(element, ruleMatch, true); |
| } |
| |
| /** |
| * Container object of the current context if not explicit match context is available. |
| * |
| * @param parent - the current ruta block |
| */ |
| public MatchContext(RutaBlock parent) { |
| super(); |
| this.parent = parent; |
| } |
| |
| public AnnotationFS getAnnotation() { |
| if (annotation != null) { |
| return annotation; |
| } else if (element != null && ruleMatch != null) { |
| List<AnnotationFS> matchedAnnotationsOfElement = ruleMatch |
| .getMatchedAnnotationsOfElement(element); |
| if (matchedAnnotationsOfElement != null && !matchedAnnotationsOfElement.isEmpty()) { |
| if (direction) { |
| return matchedAnnotationsOfElement.get(matchedAnnotationsOfElement.size() - 1); |
| } else { |
| return matchedAnnotationsOfElement.get(0); |
| } |
| } |
| } |
| return null; |
| } |
| |
| public void setAnnotation(AnnotationFS annotation) { |
| this.annotation = annotation; |
| } |
| |
| public RuleElement getElement() { |
| return element; |
| } |
| |
| public void setElement(RuleElement element) { |
| this.element = element; |
| } |
| |
| public RuleMatch getRuleMatch() { |
| return ruleMatch; |
| } |
| |
| public void setRuleMatch(RuleMatch ruleMatch) { |
| this.ruleMatch = ruleMatch; |
| } |
| |
| public boolean getDirection() { |
| return direction; |
| } |
| |
| public void setDirection(boolean direction) { |
| this.direction = direction; |
| } |
| |
| public RutaBlock getParent() { |
| return parent; |
| } |
| |
| public void setParent(RutaBlock parent) { |
| this.parent = parent; |
| } |
| |
| } |