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.memory.util;
  
  import org.apache.arrow.memory.BoundsChecking;
  
  /** Contains utilities for dealing with a 64-bit address base. */
  public final class LargeMemoryUtil {
  
    private LargeMemoryUtil() {}
  
    /** Casts length to an int, but raises an exception the value is outside the range of an int. */
    public static int checkedCastToInt(long length) {
      if (BoundsChecking.BOUNDS_CHECKING_ENABLED) {
        return Math.toIntExact(length);
      }
      return (int) length;
    }
  
    /** Returns a min(Integer.MAX_VALUE, length). */
    public static int capAtMaxInt(long length) {
      return (int) Math.min(length, Integer.MAX_VALUE);
    }
  }
  