org.bytedeco.parquet

Class RandomAccessSource

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.parquet.FileInterface

org.bytedeco.parquet.RandomAccessSource

All Implemented Interfaces:

AutoCloseable

@Namespace(value="parquet")
 @Properties(inherit=parquet.class)
public class RandomAccessSource
extends FileInterface

It is the responsibility of implementations to mind threadsafety of shared resources

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
RandomAccessSource(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
ArrowBuffer	Read(long nbytes)
long	Read(long nbytes, byte[] out)
long	Read(long nbytes, ByteBuffer out)
long	Read(long nbytes, BytePointer out)
ArrowBuffer	ReadAt(long _position, long nbytes)
long	ReadAt(long _position, long nbytes, byte[] out)
long	ReadAt(long _position, long nbytes, ByteBuffer out)
long	ReadAt(long _position, long nbytes, BytePointer out) Returns bytes read
long	Size()

Methods inherited from class org.bytedeco.parquet.FileInterface

Close, Tell

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, getPointer, getPointer, getPointer, getPointer, hashCode, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetof, offsetof, parseBytes, physicalBytes, position, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, sizeof, toString, totalBytes, totalCount, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RandomAccessSource

public RandomAccessSource(Pointer p)

Pointer cast constructor. Invokes Pointer(Pointer).

Method Detail

Size

@Cast(value="int64_t")
public long Size()

Read

@Cast(value="int64_t")
public long Read(@Cast(value="int64_t")
                                         long nbytes,
                                         @Cast(value="uint8_t*")
                                         BytePointer out)

Read

@Cast(value="int64_t")
public long Read(@Cast(value="int64_t")
                                         long nbytes,
                                         @Cast(value="uint8_t*")
                                         ByteBuffer out)

Read

@Cast(value="int64_t")
public long Read(@Cast(value="int64_t")
                                         long nbytes,
                                         @Cast(value="uint8_t*")
                                         byte[] out)

Read

@Cast(value="parquet::Buffer*")
 @SharedPtr
public ArrowBuffer Read(@Cast(value="int64_t")
                                                                      long nbytes)

ReadAt

@Cast(value="parquet::Buffer*")
 @SharedPtr
public ArrowBuffer ReadAt(@Cast(value="int64_t")
                                                                        long _position,
                                                                        @Cast(value="int64_t")
                                                                        long nbytes)

ReadAt

@Cast(value="int64_t")
public long ReadAt(@Cast(value="int64_t")
                                           long _position,
                                           @Cast(value="int64_t")
                                           long nbytes,
                                           @Cast(value="uint8_t*")
                                           BytePointer out)

Returns bytes read

ReadAt

@Cast(value="int64_t")
public long ReadAt(@Cast(value="int64_t")
                                           long _position,
                                           @Cast(value="int64_t")
                                           long nbytes,
                                           @Cast(value="uint8_t*")
                                           ByteBuffer out)

ReadAt

@Cast(value="int64_t")
public long ReadAt(@Cast(value="int64_t")
                                           long _position,
                                           @Cast(value="int64_t")
                                           long nbytes,
                                           @Cast(value="uint8_t*")
                                           byte[] out)