content: /*
   * 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.asterix.runtime.evaluators.common;
  
  import org.apache.asterix.om.functions.BuiltinFunctions;
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.asterix.runtime.exceptions.TypeMismatchException;
  import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
  import org.apache.hyracks.api.context.IEvaluatorContext;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.api.exceptions.SourceLocation;
  import org.apache.hyracks.data.std.api.IPointable;
  
  public class EditDistanceContainsEvaluator extends EditDistanceCheckEvaluator {
  
      public EditDistanceContainsEvaluator(IScalarEvaluatorFactory[] args, IEvaluatorContext context,
              SourceLocation sourceLoc) throws HyracksDataException {
          super(args, context, sourceLoc);
      }
  
      @Override
      protected int computeResult(IPointable left, IPointable right, ATypeTag argType) throws HyracksDataException {
          byte[] leftBytes = left.getByteArray();
          int leftStartOffset = left.getStartOffset();
          byte[] rightBytes = right.getByteArray();
          int rightStartOffset = right.getStartOffset();
  
          switch (argType) {
              case STRING: {
                  return ed.UTF8StringEditDistanceContains(leftBytes, leftStartOffset + typeIndicatorSize, rightBytes,
                          rightStartOffset + typeIndicatorSize, edThresh);
              }
              case ARRAY: {
                  firstOrdListIter.reset(leftBytes, leftStartOffset);
                  secondOrdListIter.reset(rightBytes, rightStartOffset);
                  return ed.getSimilarityContains(firstOrdListIter, secondOrdListIter, edThresh);
              }
              default: {
                  throw new TypeMismatchException(sourceLoc, BuiltinFunctions.EDIT_DISTANCE_CONTAINS, 0,
                          argType.serialize(), ATypeTag.SERIALIZED_STRING_TYPE_TAG,
                          ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG);
              }
          }
      }
  }
  