org.apache.flink.runtime.io.network.partition.hybrid

类 HsFileDataIndexImpl.InternalRegion

java.lang.Object

org.apache.flink.runtime.io.network.partition.hybrid.HsFileDataIndexImpl.InternalRegion

所有已实现的接口:

FileDataIndexRegionHelper.Region

封闭类:

HsFileDataIndexImpl

public static class HsFileDataIndexImpl.InternalRegion
extends Object
implements FileDataIndexRegionHelper.Region

A HsFileDataIndexImpl.InternalRegion is an implementation of FileDataIndexRegionHelper.Region. Note that this class introduced a new field to indicate whether each buffer in the region is released.

字段概要

字段

限定符和类型	字段和说明
static int	HEADER_SIZE HsFileDataIndexImpl.InternalRegion is consists of header and payload.

构造器概要

构造器

构造器和说明
InternalRegion(int firstBufferIndex, long regionFileOffset, int numBuffers, boolean[] released)

方法概要

限定符和类型	方法和说明
boolean	containBuffer(int bufferIndex) Whether the current region contain the buffer.
int	getFirstBufferIndex() Get the first buffer index of this region.
int	getNumBuffers() Get the number of buffers in this region.
long	getRegionEndOffset() Get the file end offset of the region.
long	getRegionStartOffset() Get the file start offset of this region.
boolean[]	getReleased()
int	getSize() Get the total size in bytes of this region, including the fields and the buffers.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

HEADER_SIZE

public static final int HEADER_SIZE

HsFileDataIndexImpl.InternalRegion is consists of header and payload. (firstBufferIndex, firstBufferOffset, numBuffer) are immutable header part that have fixed size. The array of released is variable payload. This field represents the size of header.

另请参阅:

常量字段值

构造器详细资料

InternalRegion

public InternalRegion(int firstBufferIndex,
                      long regionFileOffset,
                      int numBuffers,
                      boolean[] released)

方法详细资料

containBuffer

public boolean containBuffer(int bufferIndex)

从接口复制的说明: FileDataIndexRegionHelper.Region

Whether the current region contain the buffer.

指定者:

containBuffer 在接口中 FileDataIndexRegionHelper.Region

参数:

bufferIndex - the specific buffer index

getSize

public int getSize()

从接口复制的说明: FileDataIndexRegionHelper.Region

Get the total size in bytes of this region, including the fields and the buffers.

指定者:

getSize 在接口中 FileDataIndexRegionHelper.Region

getFirstBufferIndex

public int getFirstBufferIndex()

从接口复制的说明: FileDataIndexRegionHelper.Region

Get the first buffer index of this region.

指定者:

getFirstBufferIndex 在接口中 FileDataIndexRegionHelper.Region

getRegionStartOffset

public long getRegionStartOffset()

从接口复制的说明: FileDataIndexRegionHelper.Region

Get the file start offset of this region.

指定者:

getRegionStartOffset 在接口中 FileDataIndexRegionHelper.Region

getRegionEndOffset

public long getRegionEndOffset()

从接口复制的说明: FileDataIndexRegionHelper.Region

Get the file end offset of the region.

指定者:

getRegionEndOffset 在接口中 FileDataIndexRegionHelper.Region

getNumBuffers

public int getNumBuffers()

从接口复制的说明: FileDataIndexRegionHelper.Region

Get the number of buffers in this region.

指定者:

getNumBuffers 在接口中 FileDataIndexRegionHelper.Region

getReleased

public boolean[] getReleased()