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.arrow.vector.compare;
  
  import static org.apache.arrow.vector.compare.RangeEqualsVisitor.DEFAULT_TYPE_COMPARATOR;
  
  import java.util.function.BiFunction;
  import org.apache.arrow.vector.ValueVector;
  
  /** Visitor to compare vectors equal. */
  public class VectorEqualsVisitor {
  
    /**
     * Checks if two vectors are equals with default type comparator.
     *
     * @param left the left vector to compare.
     * @param right the right vector to compare.
     * @return true if the vectors are equal, and false otherwise.
     */
    public static boolean vectorEquals(ValueVector left, ValueVector right) {
      return vectorEquals(left, right, DEFAULT_TYPE_COMPARATOR);
    }
  
    /**
     * Checks if two vectors are equals.
     *
     * @param left the left vector to compare.
     * @param right the right vector to compare.
     * @param typeComparator type comparator to compare vector type.
     * @return true if the vectors are equal, and false otherwise.
     */
    public static boolean vectorEquals(
        ValueVector left,
        ValueVector right,
        BiFunction<ValueVector, ValueVector, Boolean> typeComparator) {
  
      if (left.getValueCount() != right.getValueCount()) {
        return false;
      }
  
      RangeEqualsVisitor visitor = new RangeEqualsVisitor(left, right, typeComparator);
      return visitor.rangeEquals(new Range(0, 0, left.getValueCount()));
    }
  }
  