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.dataflow.data.common;
  
  import org.apache.asterix.om.base.IAObject;
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  
  public interface ILogicalBinaryComparator {
  
      enum Result {
          MISSING,
          NULL,
          EQ,
          LT,
          GT,
          INCOMPARABLE
      }
  
      static Result asResult(int result) {
          return result < 0 ? Result.LT : (result == 0 ? Result.EQ : Result.GT);
      }
  
      static boolean inequalityUndefined(ATypeTag tag) {
          return switch (tag) {
              case OBJECT, ARRAY, MULTISET, DURATION, INTERVAL, LINE, POINT, POINT3D, POLYGON, CIRCLE, RECTANGLE -> true;
              case UNION -> throw new IllegalArgumentException();
              default -> false;
          };
      }
  
      Result compare(TaggedValueReference left, TaggedValueReference right) throws HyracksDataException;
  
      Result compare(TaggedValueReference left, IAObject rightConstant);
  
      Result compare(IAObject leftConstant, TaggedValueReference right);
  
      Result compare(IAObject leftConstant, IAObject rightConstant);
  }
  