1 /* 2 * Copyright 2019 Google Inc. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.flatbuffers; 18 19 import static com.google.flatbuffers.Constants.*; 20 import java.nio.ByteBuffer; 21 import java.nio.ByteOrder; 22 import java.nio.charset.Charset; 23 24 /** 25 * Helper type for accessing vector of signed or unsigned 32-bit values. 26 */ 27 public final class IntVector extends BaseVector { 28 /** 29 * Assigns vector access object to vector data. 30 * 31 * @param _vector Start data of a vector. 32 * @param _bb Table's ByteBuffer. 33 * @return Returns current vector access object assigned to vector data whose offset is stored at 34 * `vector`. 35 */ __assign(int _vector, ByteBuffer _bb)36 public IntVector __assign(int _vector, ByteBuffer _bb) { 37 __reset(_vector, Constants.SIZEOF_INT, _bb); return this; 38 } 39 40 /** 41 * Reads the integer at the given index. 42 * 43 * @param j The index from which the integer will be read. 44 * @return the 32-bit value at the given index. 45 */ get(int j)46 public int get(int j) { 47 return bb.getInt(__element(j)); 48 } 49 50 /** 51 * Reads the integer at the given index, zero-extends it to type long, and returns the result, 52 * which is therefore in the range 0 through 4294967295. 53 * 54 * @param j The index from which the integer will be read. 55 * @return the unsigned 32-bit at the given index. 56 */ getAsUnsigned(int j)57 public long getAsUnsigned(int j) { 58 return (long) get(j) & 0xFFFFFFFFL; 59 } 60 } 61