Package org.apache.uima.ruta.condition

Source Code of org.apache.uima.ruta.condition.EndsWithCondition

/*
* 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.condition;

import java.util.List;

import org.apache.uima.cas.Type;
import org.apache.uima.cas.text.AnnotationFS;
import org.apache.uima.ruta.RutaStream;
import org.apache.uima.ruta.expression.list.TypeListExpression;
import org.apache.uima.ruta.expression.type.TypeExpression;
import org.apache.uima.ruta.rule.EvaluatedCondition;
import org.apache.uima.ruta.rule.RuleElement;
import org.apache.uima.ruta.type.RutaBasic;
import org.apache.uima.ruta.visitor.InferenceCrowd;

public class EndsWithCondition extends TypeSentiveCondition {

  public EndsWithCondition(TypeExpression type) {
    super(type);
  }

  public EndsWithCondition(TypeListExpression list) {
    super(list);
  }

  @Override
  public EvaluatedCondition eval(AnnotationFS annotation, RuleElement element, RutaStream stream,
          InferenceCrowd crowd) {
    if (!isWorkingOnList()) {
      Type givenType = type.getType(element.getParent());
      boolean result = check(stream, annotation, givenType);
      return new EvaluatedCondition(this, result);
    } else {
      boolean result = false;
      List<Type> types = getList().getList(element.getParent(), stream);
      for (Type t : types) {
        result |= check(stream, annotation, t);
        if (result) {
          break;
        }
      }
      return new EvaluatedCondition(this, result);
    }
  }

  private boolean check(RutaStream stream, AnnotationFS matched, Type givenType) {
    RutaBasic endAnchor = stream.getEndAnchor(matched.getEnd());
    return endAnchor.endsWith(givenType);
  }

}
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