How to use

lengthOfPBMagic

method

in

org.apache.hadoop.hbase.protobuf.ProtobufMagic

/**
 * @return Length of {@link ProtobufMagic#lengthOfPBMagic()}
 */
public static int lengthOfPBMagic() {
 return ProtobufMagic.lengthOfPBMagic();
}

/**
 * @return Length of {@link ProtobufMagic#lengthOfPBMagic()}
 */
public static int lengthOfPBMagic() {
 return ProtobufMagic.lengthOfPBMagic();
}

protected static Quotas quotasFromData(
  final byte[] data, int offset, int length) throws IOException {
 int magicLen = ProtobufMagic.lengthOfPBMagic();
 if (!ProtobufMagic.isPBMagicPrefix(data, offset, magicLen)) {
  throw new IOException("Missing pb magic prefix");
 }
 return Quotas.parseFrom(new ByteArrayInputStream(data, offset + magicLen, length - magicLen));
}

/**
 * @see #persistToFile()
 */
private void retrieveFromFile(int[] bucketSizes) throws IOException {
 File persistenceFile = new File(persistencePath);
 if (!persistenceFile.exists()) {
  return;
 }
 assert !cacheEnabled;
 try (FileInputStream in = deleteFileOnClose(persistenceFile)) {
  int pblen = ProtobufMagic.lengthOfPBMagic();
  byte[] pbuf = new byte[pblen];
  int read = in.read(pbuf);
  if (read != pblen) {
   throw new IOException("Incorrect number of bytes read while checking for protobuf magic "
     + "number. Requested=" + pblen + ", Received= " + read + ", File=" + persistencePath);
  }
  if (! ProtobufMagic.isPBMagicPrefix(pbuf)) {
   // In 3.0 we have enough flexibility to dump the old cache data.
   // TODO: In 2.x line, this might need to be filled in to support reading the old format
   throw new IOException("Persistence file does not start with protobuf magic number. " +
     persistencePath);
  }
  parsePB(BucketCacheProtos.BucketCacheEntry.parseDelimitedFrom(in));
  bucketAllocator = new BucketAllocator(cacheCapacity, bucketSizes, backingMap, realCacheSize);
 }
}

if (data == null || data.length <= 0) return null;
if (ProtobufMagic.isPBMagicPrefix(data)) {
 int prefixLen = ProtobufMagic.lengthOfPBMagic();
 try {
  ZooKeeperProtos.Master rss =

/**
 * @return Length of {@link ProtobufMagic#lengthOfPBMagic()}
 */
public static int lengthOfPBMagic() {
 return ProtobufMagic.lengthOfPBMagic();
}

if (data == null || data.length <= 0) return null;
if (ProtobufMagic.isPBMagicPrefix(data)) {
 int prefixLen = ProtobufMagic.lengthOfPBMagic();
 try {
  ZooKeeperProtos.Master rss =

/**
 * @return Length of {@link ProtobufMagic#lengthOfPBMagic()}
 */
public static int lengthOfPBMagic() {
 return ProtobufMagic.lengthOfPBMagic();
}

protected static Quotas quotasFromData(
  final byte[] data, int offset, int length) throws IOException {
 int magicLen = ProtobufMagic.lengthOfPBMagic();
 if (!ProtobufMagic.isPBMagicPrefix(data, offset, magicLen)) {
  throw new IOException("Missing pb magic prefix");
 }
 return Quotas.parseFrom(new ByteArrayInputStream(data, offset + magicLen, length - magicLen));
}

if (data == null || data.length <= 0) return null;
if (ProtobufMagic.isPBMagicPrefix(data)) {
 int prefixLen = ProtobufMagic.lengthOfPBMagic();
 try {
  ZooKeeperProtos.Master rss =

/**
 * @return Length of {@link ProtobufMagic#lengthOfPBMagic()}
 */
public static int lengthOfPBMagic() {
 return ProtobufMagic.lengthOfPBMagic();
}

/**
 * @return Length of {@link ProtobufMagic#lengthOfPBMagic()}
 */
public static int lengthOfPBMagic() {
 return ProtobufMagic.lengthOfPBMagic();
}

if (data == null || data.length <= 0) return null;
if (ProtobufMagic.isPBMagicPrefix(data)) {
 int prefixLen = ProtobufMagic.lengthOfPBMagic();
 try {
  ZooKeeperProtos.Master rss =

protected static Quotas quotasFromData(
  final byte[] data, int offset, int length) throws IOException {
 int magicLen = ProtobufMagic.lengthOfPBMagic();
 if (!ProtobufMagic.isPBMagicPrefix(data, offset, magicLen)) {
  throw new IOException("Missing pb magic prefix");
 }
 return Quotas.parseFrom(new ByteArrayInputStream(data, offset + magicLen, length - magicLen));
}

if (data == null || data.length <= 0) return null;
if (ProtobufMagic.isPBMagicPrefix(data)) {
 int prefixLen = ProtobufMagic.lengthOfPBMagic();
 try {
  ZooKeeperProtos.Master rss =

if (data == null || data.length <= 0) return null;
if (ProtobufMagic.isPBMagicPrefix(data)) {
 int prefixLen = ProtobufMagic.lengthOfPBMagic();
 try {
  ZooKeeperProtos.Master rss =