public class ArrowRecordBatch extends Object implements ArrowMessage
ArrowMessage.ArrowMessageVisitor<T>
Constructor and Description |
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ArrowRecordBatch(int length,
List<ArrowFieldNode> nodes,
List<ArrowBuf> buffers) |
ArrowRecordBatch(int length,
List<ArrowFieldNode> nodes,
List<ArrowBuf> buffers,
ArrowBodyCompression bodyCompression) |
ArrowRecordBatch(int length,
List<ArrowFieldNode> nodes,
List<ArrowBuf> buffers,
ArrowBodyCompression bodyCompression,
boolean alignBuffers)
Construct a record batch from nodes.
|
Modifier and Type | Method and Description |
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<T> T |
accepts(ArrowMessage.ArrowMessageVisitor<T> visitor) |
ArrowRecordBatch |
cloneWithTransfer(BufferAllocator allocator)
Create a new ArrowRecordBatch which has the same information as this batch but whose buffers
are owned by that Allocator.
|
void |
close()
Releases the buffers.
|
long |
computeBodyLength()
Computes the size of the serialized body for this recordBatch.
|
ArrowBodyCompression |
getBodyCompression() |
List<ArrowBuf> |
getBuffers()
Get the record batch buffers.
|
List<ArrowBuffer> |
getBuffersLayout()
Get the serialized layout.
|
int |
getLength() |
byte |
getMessageType()
Returns the flatbuffer enum value indicating the type of the message.
|
List<ArrowFieldNode> |
getNodes()
Get the nodes in this record batch.
|
String |
toString() |
int |
writeTo(com.google.flatbuffers.FlatBufferBuilder builder)
Returns the number of bytes taken to serialize the data in builder after writing to it.
|
public ArrowRecordBatch(int length, List<ArrowFieldNode> nodes, List<ArrowBuf> buffers)
public ArrowRecordBatch(int length, List<ArrowFieldNode> nodes, List<ArrowBuf> buffers, ArrowBodyCompression bodyCompression)
public ArrowRecordBatch(int length, List<ArrowFieldNode> nodes, List<ArrowBuf> buffers, ArrowBodyCompression bodyCompression, boolean alignBuffers)
length
- how many rows in this batchnodes
- field level infobuffers
- will be retained until this recordBatch is closedbodyCompression
- compression info.public byte getMessageType()
ArrowMessage
getMessageType
in interface ArrowMessage
public int getLength()
public ArrowBodyCompression getBodyCompression()
public List<ArrowFieldNode> getNodes()
public List<ArrowBuf> getBuffers()
public ArrowRecordBatch cloneWithTransfer(BufferAllocator allocator)
This will also close this record batch and make it no longer useful.
public List<ArrowBuffer> getBuffersLayout()
public int writeTo(com.google.flatbuffers.FlatBufferBuilder builder)
FBSerializable
writeTo
in interface FBSerializable
public <T> T accepts(ArrowMessage.ArrowMessageVisitor<T> visitor)
accepts
in interface ArrowMessage
public void close()
close
in interface AutoCloseable
public long computeBodyLength()
computeBodyLength
in interface ArrowMessage
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