| Package | Description |
|---|---|
| org.bytedeco.arrow | |
| org.bytedeco.arrow.global | |
| org.bytedeco.parquet |
| Modifier and Type | Class and Description |
|---|---|
class |
BufferReader
\class BufferReader
\brief Random access zero-copy reads on an arrow::Buffer
|
class |
BufferReaderRandomAccessFileConcurrencyWrapper |
class |
HdfsReadableFile |
class |
MemoryMappedFile
\brief A file interface that uses memory-mapped files for memory interactions
This implementation supports zero-copy reads.
|
class |
RandomAccessFileSlowInputStreamBase |
class |
ReadableFile
\brief An operating system file open in read-only mode.
|
class |
ReadableFileRandomAccessFileConcurrencyWrapper |
class |
ReadWriteFileInterface |
class |
SlowRandomAccessFile
\brief A RandomAccessFile wrapper that makes reads slower.
|
| Modifier and Type | Method and Description |
|---|---|
RandomAccessFile |
RandomAccessFileResult.multiply() |
RandomAccessFile |
RandomAccessFileResult.ValueOrDie()
Gets a mutable reference to the stored
T value. |
| Modifier and Type | Method and Description |
|---|---|
static Seekable |
RandomAccessFile.asSeekable(RandomAccessFile pointer) |
static InputStream |
RandomAccessFile.GetStream(RandomAccessFile file,
long file_offset,
long nbytes)
\brief Create an isolated InputStream that reads a segment of a
RandomAccessFile.
|
static Status |
RecordBatchFileReader.Open(RandomAccessFile file,
long footer_offset,
RecordBatchFileReader reader)
\brief Open a RecordBatchFileReader
If the file is embedded within some larger file or memory region, you can
pass the absolute memory offset to the end of the file (which contains the
metadata footer).
|
static Status |
RecordBatchFileReader.Open(RandomAccessFile file,
RecordBatchFileReader reader)
\brief Open a RecordBatchFileReader
Open a file-like object that is assumed to be self-contained; i.e., the
end of the file interface is the end of the Arrow file.
|
static Status |
Message.ReadFrom(long offset,
ArrowBuffer metadata,
RandomAccessFile file,
Message out)
\brief Read message body from position in file, and create Message given
the Flatbuffer metadata
|
| Constructor and Description |
|---|
RandomAccessFileResult(RandomAccessFile value)
Constructs a Result object that contains
value. |
SlowRandomAccessFile(RandomAccessFile stream,
double average_latency) |
SlowRandomAccessFile(RandomAccessFile stream,
double average_latency,
int seed) |
SlowRandomAccessFile(RandomAccessFile stream,
LatencyGenerator latencies) |
| Modifier and Type | Method and Description |
|---|---|
static Status |
arrow.ReadMessage(long offset,
int metadata_length,
RandomAccessFile file,
Message message)
\brief Read encapsulated RPC message from position in file
Read a length-prefixed message flatbuffer starting at the indicated file
offset.
|
static FileMetaData |
parquet.ReadMetaData(RandomAccessFile source) |
static Status |
arrow.ReadRecordBatch(ArrowBuffer metadata,
Schema schema,
DictionaryMemo dictionary_memo,
IpcOptions options,
RandomAccessFile file,
RecordBatch out)
Read record batch from file given metadata and schema
|
static Status |
arrow.ReadRecordBatch(ArrowBuffer metadata,
Schema schema,
DictionaryMemo dictionary_memo,
RandomAccessFile file,
RecordBatch out)
\brief Read record batch from file given metadata and schema
|
| Modifier and Type | Class and Description |
|---|---|
class |
ParquetInputWrapper |
| Modifier and Type | Method and Description |
|---|---|
InputStream |
ReaderProperties.GetStream(RandomAccessFile source,
long start,
long num_bytes) |
static ParquetFileReader |
ParquetFileReader.Open(RandomAccessFile source) |
static ParquetFileReader.Contents |
ParquetFileReader.Contents.Open(RandomAccessFile source) |
static ParquetFileReader |
ParquetFileReader.Open(RandomAccessFile source,
ReaderProperties props,
FileMetaData metadata) |
static ParquetFileReader.Contents |
ParquetFileReader.Contents.Open(RandomAccessFile source,
ReaderProperties props,
FileMetaData metadata) |
Copyright © 2020. All rights reserved.