| パッケージ | 説明 |
|---|---|
| org.apache.arrow.vector.ipc | |
| org.apache.arrow.vector.ipc.message |
| 修飾子とタイプ | クラスと説明 |
|---|---|
class |
SeekableReadChannel |
| 修飾子とタイプ | フィールドと説明 |
|---|---|
protected ReadChannel |
MessageChannelReader.in |
| 修飾子とタイプ | メソッドと説明 |
|---|---|
static ArrowDictionaryBatch |
MessageSerializer.deserializeDictionaryBatch(ReadChannel in,
ArrowBlock block,
BufferAllocator alloc)
Deserializes a DictionaryBatch knowing the size of the entire message up front.
|
static ArrowDictionaryBatch |
MessageSerializer.deserializeDictionaryBatch(ReadChannel in,
BufferAllocator allocator)
Deserializes an ArrowDictionaryBatch read from the input channel.
|
static ArrowMessage |
MessageSerializer.deserializeMessageBatch(ReadChannel in,
BufferAllocator alloc)
Deserialize a message that is either an ArrowDictionaryBatch or ArrowRecordBatch.
|
static ArrowRecordBatch |
MessageSerializer.deserializeRecordBatch(ReadChannel in,
ArrowBlock block,
BufferAllocator alloc)
Deserializes an ArrowRecordBatch knowing the size of the entire message up front.
|
static ArrowRecordBatch |
MessageSerializer.deserializeRecordBatch(ReadChannel in,
BufferAllocator allocator)
Deserializes an ArrowRecordBatch read from the input channel.
|
static Schema |
MessageSerializer.deserializeSchema(ReadChannel in)
Deserializes an Arrow Schema read from the input channel.
|
static MessageMetadataResult |
MessageSerializer.readMessage(ReadChannel in)
Read a Message from the input channel and return a MessageMetadataResult that contains the
Message metadata, buffer containing the serialized Message metadata as read, and length of the
Message in bytes.
|
static ArrowBuf |
MessageSerializer.readMessageBody(ReadChannel in,
int bodyLength,
BufferAllocator allocator)
Read a Message body from the in channel into an ArrowBuf.
|
| コンストラクタと説明 |
|---|
MessageChannelReader(ReadChannel in,
BufferAllocator allocator)
Construct a MessageReader to read streaming messages from an existing ReadChannel.
|
Copyright © 2018 The Apache Software Foundation. All rights reserved.