org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf.writeInt()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf.writeInt()方法的一些代码示例，展示了ByteBuf.writeInt()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ByteBuf.writeInt()方法的具体详情如下：
包路径：org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf
类名称：ByteBuf
方法名：writeInt

ByteBuf.writeInt介绍

暂无

代码示例

代码示例来源：origin: apache/flink

/**
 * Helper for serializing the header.
 *
 * @param buf         The {@link ByteBuf} to serialize the header into.
 * @param messageType The {@link MessageType} of the message this header refers to.
 */
private static void writeHeader(final ByteBuf buf, final MessageType messageType) {
  buf.writeInt(VERSION);
  buf.writeInt(messageType.ordinal());
}

代码示例来源：origin: apache/flink

/**
 * Serializes the failure message sent to the
 * {@link org.apache.flink.queryablestate.network.Client} in case of
 * server related errors.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param cause            The exception thrown at the server.
 * @return        The failure message.
 */
public static ByteBuf serializeServerFailure(
    final ByteBufAllocator alloc,
    final Throwable cause) throws IOException {
  final ByteBuf buf = alloc.ioBuffer();
  // Frame length is set at end
  buf.writeInt(0);
  writeHeader(buf, MessageType.SERVER_FAILURE);
  try (ByteBufOutputStream bbos = new ByteBufOutputStream(buf);
      ObjectOutput out = new ObjectOutputStream(bbos)) {
    out.writeObject(cause);
  }
  // Set frame length
  int frameLength = buf.readableBytes() - Integer.BYTES;
  buf.setInt(0, frameLength);
  return buf;
}

代码示例来源：origin: apache/flink

/**
 * Serializes the exception containing the failure message sent to the
 * {@link org.apache.flink.queryablestate.network.Client} in case of
 * protocol related errors.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param cause            The exception thrown at the server.
 * @return A {@link ByteBuf} containing the serialized message.
 */
public static ByteBuf serializeRequestFailure(
    final ByteBufAllocator alloc,
    final long requestId,
    final Throwable cause) throws IOException {
  final ByteBuf buf = alloc.ioBuffer();
  // Frame length is set at the end
  buf.writeInt(0);
  writeHeader(buf, MessageType.REQUEST_FAILURE);
  buf.writeLong(requestId);
  try (ByteBufOutputStream bbos = new ByteBufOutputStream(buf);
      ObjectOutput out = new ObjectOutputStream(bbos)) {
    out.writeObject(cause);
  }
  // Set frame length
  int frameLength = buf.readableBytes() - Integer.BYTES;
  buf.setInt(0, frameLength);
  return buf;
}

代码示例来源：origin: apache/flink

/**
 * Helper for serializing the messages.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param messageType    The {@link MessageType type of the message}.
 * @param payload        The serialized version of the message.
 * @return A {@link ByteBuf} containing the serialized message.
 */
private static ByteBuf writePayload(
    final ByteBufAllocator alloc,
    final long requestId,
    final MessageType messageType,
    final byte[] payload) {
  final int frameLength = HEADER_LENGTH + REQUEST_ID_SIZE + payload.length;
  final ByteBuf buf = alloc.ioBuffer(frameLength + Integer.BYTES);
  buf.writeInt(frameLength);
  writeHeader(buf, messageType);
  buf.writeLong(requestId);
  buf.writeBytes(payload);
  return buf;
}

代码示例来源：origin: apache/flink

buf = channel.alloc().buffer(4).writeInt(1223823);

代码示例来源：origin: apache/flink

/**
 * Tests that incoming buffer instances are recycled.
 */
@Test
public void testIncomingBufferIsRecycled() throws Exception {
  KvStateRegistry registry = new KvStateRegistry();
  AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats();
  MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer =
      new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer());
  KvStateServerHandler handler = new KvStateServerHandler(testServer, registry, serializer, stats);
  EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler);
  KvStateInternalRequest request = new KvStateInternalRequest(new KvStateID(), new byte[0]);
  ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), 282872L, request);
  assertEquals(1L, serRequest.refCnt());
  // Write regular request
  channel.writeInbound(serRequest);
  assertEquals("Buffer not recycled", 0L, serRequest.refCnt());
  // Write unexpected msg
  ByteBuf unexpected = channel.alloc().buffer(8);
  unexpected.writeInt(4);
  unexpected.writeInt(4);
  assertEquals(1L, unexpected.refCnt());
  channel.writeInbound(unexpected);
  assertEquals("Buffer not recycled", 0L, unexpected.refCnt());
}

代码示例来源：origin: apache/flink

unexpectedMessage.writeInt(4);
unexpectedMessage.writeInt(123238213);

代码示例来源：origin: com.alibaba.blink/flink-queryable-state-client-java

/**
 * Helper for serializing the header.
 *
 * @param buf         The {@link ByteBuf} to serialize the header into.
 * @param messageType The {@link MessageType} of the message this header refers to.
 */
private static void writeHeader(final ByteBuf buf, final MessageType messageType) {
  buf.writeInt(VERSION);
  buf.writeInt(messageType.ordinal());
}

代码示例来源：origin: org.apache.flink/flink-queryable-state-client-java_2.11

/**
 * Helper for serializing the header.
 *
 * @param buf         The {@link ByteBuf} to serialize the header into.
 * @param messageType The {@link MessageType} of the message this header refers to.
 */
private static void writeHeader(final ByteBuf buf, final MessageType messageType) {
  buf.writeInt(VERSION);
  buf.writeInt(messageType.ordinal());
}

代码示例来源：origin: org.apache.flink/flink-runtime

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    result = allocateBuffer(allocator, ID, 16 + 16 + 4 + 16 + 4);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    result.writeInt(queueIndex);
    receiverId.writeTo(result);
    result.writeInt(credit);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

代码示例来源：origin: com.alibaba.blink/flink-runtime

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    result = allocateBuffer(allocator, ID, 16 + 16 + 4 + 16 + 4);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    result.writeInt(queueIndex);
    receiverId.writeTo(result);
    result.writeInt(credit);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

代码示例来源：origin: org.apache.flink/flink-runtime_2.11

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    result = allocateBuffer(allocator, ID, 16 + 16 + 4 + 16 + 4);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    result.writeInt(queueIndex);
    receiverId.writeTo(result);
    result.writeInt(credit);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

代码示例来源：origin: org.apache.flink/flink-runtime

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    // TODO Directly serialize to Netty's buffer
    ByteBuffer serializedEvent = EventSerializer.toSerializedEvent(event);
    result = allocateBuffer(allocator, ID, 4 + serializedEvent.remaining() + 16 + 16 + 16);
    result.writeInt(serializedEvent.remaining());
    result.writeBytes(serializedEvent);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    receiverId.writeTo(result);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

代码示例来源：origin: com.alibaba.blink/flink-runtime

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    // TODO Directly serialize to Netty's buffer
    ByteBuffer serializedEvent = EventSerializer.toSerializedEvent(event);
    result = allocateBuffer(allocator, ID, 4 + serializedEvent.remaining() + 16 + 16 + 16);
    result.writeInt(serializedEvent.remaining());
    result.writeBytes(serializedEvent);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    receiverId.writeTo(result);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

代码示例来源：origin: org.apache.flink/flink-runtime_2.11

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    // TODO Directly serialize to Netty's buffer
    ByteBuffer serializedEvent = EventSerializer.toSerializedEvent(event);
    result = allocateBuffer(allocator, ID, 4 + serializedEvent.remaining() + 16 + 16 + 16);
    result.writeInt(serializedEvent.remaining());
    result.writeBytes(serializedEvent);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    receiverId.writeTo(result);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

代码示例来源：origin: com.alibaba.blink/flink-runtime

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    result = allocateBuffer(allocator, ID, 16 + 16 + 4 + 16);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    result.writeInt(credit);
    receiverId.writeTo(result);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

代码示例来源：origin: org.apache.flink/flink-runtime_2.11

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    result = allocateBuffer(allocator, ID, 16 + 16 + 4 + 16);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    result.writeInt(credit);
    receiverId.writeTo(result);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

代码示例来源：origin: org.apache.flink/flink-queryable-state-client-java_2.11

/**
 * Helper for serializing the messages.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param messageType    The {@link MessageType type of the message}.
 * @param payload        The serialized version of the message.
 * @return A {@link ByteBuf} containing the serialized message.
 */
private static ByteBuf writePayload(
    final ByteBufAllocator alloc,
    final long requestId,
    final MessageType messageType,
    final byte[] payload) {
  final int frameLength = HEADER_LENGTH + REQUEST_ID_SIZE + payload.length;
  final ByteBuf buf = alloc.ioBuffer(frameLength + Integer.BYTES);
  buf.writeInt(frameLength);
  writeHeader(buf, messageType);
  buf.writeLong(requestId);
  buf.writeBytes(payload);
  return buf;
}

代码示例来源：origin: com.alibaba.blink/flink-queryable-state-client-java

/**
 * Helper for serializing the messages.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param messageType    The {@link MessageType type of the message}.
 * @param payload        The serialized version of the message.
 * @return A {@link ByteBuf} containing the serialized message.
 */
private static ByteBuf writePayload(
    final ByteBufAllocator alloc,
    final long requestId,
    final MessageType messageType,
    final byte[] payload) {
  final int frameLength = HEADER_LENGTH + REQUEST_ID_SIZE + payload.length;
  final ByteBuf buf = alloc.ioBuffer(frameLength + Integer.BYTES);
  buf.writeInt(frameLength);
  writeHeader(buf, messageType);
  buf.writeLong(requestId);
  buf.writeBytes(payload);
  return buf;
}

代码示例来源：origin: org.apache.flink/flink-runtime

@Override
ByteBuf write(ByteBufAllocator allocator) throws IOException {
  ByteBuf result = null;
  try {
    result = allocateBuffer(allocator, ID, 16 + 16 + 4 + 16);
    partitionId.getPartitionId().writeTo(result);
    partitionId.getProducerId().writeTo(result);
    result.writeInt(credit);
    receiverId.writeTo(result);
    return result;
  }
  catch (Throwable t) {
    if (result != null) {
      result.release();
    }
    throw new IOException(t);
  }
}

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