// 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.
// 
// automatically generated by the FlatBuffers compiler, do not modify

package org.apache.arrow.flatbuf;

import java.nio.*;
import java.lang.*;
import java.util.*;
import com.google.flatbuffers.*;

@SuppressWarnings("unused")
/**
 * ----------------------------------------------------------------------
 * A Buffer represents a single contiguous memory segment
 */
public final class Buffer extends Struct {
  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
  public Buffer __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }

  /**
   * The relative offset into the shared memory page where the bytes for this
   * buffer starts
   */
  public long offset() { return bb.getLong(bb_pos + 0); }
  /**
   * The absolute length (in bytes) of the memory buffer. The memory is found
   * from offset (inclusive) to offset + length (non-inclusive). When building
   * messages using the encapsulated IPC message, padding bytes may be written
   * after a buffer, but such padding bytes do not need to be accounted for in
   * the size here.
   */
  public long length() { return bb.getLong(bb_pos + 8); }

  public static int createBuffer(FlatBufferBuilder builder, long offset, long length) {
    builder.prep(8, 16);
    builder.putLong(length);
    builder.putLong(offset);
    return builder.offset();
  }

  public static final class Vector extends BaseVector {
    public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }

    public Buffer get(int j) { return get(new Buffer(), j); }
    public Buffer get(Buffer obj, int j) {  return obj.__assign(__element(j), bb); }
  }
}

