/*
* 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.action;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.uima.cas.Type;
import org.apache.uima.cas.text.AnnotationFS;
import org.apache.uima.ruta.RutaBlock;
import org.apache.uima.ruta.RutaStream;
import org.apache.uima.ruta.expression.string.IStringExpression;
import org.apache.uima.ruta.rule.RuleElement;
import org.apache.uima.ruta.rule.RuleMatch;
import org.apache.uima.ruta.type.RutaBasic;
import org.apache.uima.ruta.visitor.InferenceCrowd;
public class GetListAction extends AbstractRutaAction {
private static final String TYPES = "Types";
private static final String TYPES_AT_END = "Types:End";
private static final String TYPES_AT_BEGIN = "Types:Begin";
private String var;
private IStringExpression opExpr;
public GetListAction(String var, IStringExpression op) {
super();
this.var = var;
this.opExpr = op;
}
@Override
public void execute(RuleMatch match, RuleElement element, RutaStream stream, InferenceCrowd crowd) {
RutaBlock parent = element.getParent();
String op = opExpr.getStringValue(parent, match, element, stream);
List<Type> list = new ArrayList<Type>();
int indexOf = element.getContainer().getRuleElements().indexOf(element);
List<Integer> indexes = new ArrayList<Integer>();
indexes.add(indexOf + 1);
List<AnnotationFS> matchedAnnotations = match.getMatchedAnnotations(indexes,
element.getContainer());
for (AnnotationFS matched : matchedAnnotations) {
if (TYPES_AT_BEGIN.equals(op)) {
RutaBasic beginAnchor = stream.getBeginAnchor(matched.getBegin());
Collection<?>[] beginMap = beginAnchor.getBeginMap();
Set<AnnotationFS> aset = new HashSet<AnnotationFS>();
for (Collection<?> set : beginMap) {
if(set != null) {
aset.addAll((Collection<? extends AnnotationFS>) set);
}
}
for (AnnotationFS annotationFS : aset) {
list.add(annotationFS.getType());
}
} else if (TYPES_AT_END.equals(op)) {
RutaBasic endAnchor = stream.getEndAnchor(matched.getEnd());
// Collection<Set<AnnotationFS>> values = endAnchor.getEndMap().values();
Collection<?>[] endMap = endAnchor.getEndMap();
Set<AnnotationFS> aset = new HashSet<AnnotationFS>();
for (Collection<?> set : endMap) {
if(set != null) {
aset.addAll((Collection<? extends AnnotationFS>) set);
}
}
for (AnnotationFS annotationFS : aset) {
list.add(annotationFS.getType());
}
} else if (TYPES.equals(op)) {
Type annotationType = stream.getCas().getAnnotationType();
List<AnnotationFS> inWindow = stream.getAnnotationsInWindow(matched, annotationType);
for (AnnotationFS each : inWindow) {
if (each.getBegin() == matched.getBegin() && each.getEnd() == matched.getEnd()) {
list.add(each.getType());
}
if (each.getBegin() > matched.getBegin() || each.getEnd() < matched.getEnd()) {
break;
}
}
}
}
parent.getEnvironment().setVariableValue(var, list);
}
public String getVar() {
return var;
}
public IStringExpression getOpExpr() {
return opExpr;
}
}