Uses of Class
org.apache.hadoop.io.erasurecode.ECBlock

Packages that use ECBlock

Package	Description
org.apache.hadoop.io.erasurecode
org.apache.hadoop.io.erasurecode.coder	Erasure coders framework.
org.apache.hadoop.io.erasurecode.grouper

Uses of ECBlock in org.apache.hadoop.io.erasurecode

Methods in org.apache.hadoop.io.erasurecode that return ECBlock

Modifier and Type	Method	Description
ECBlock[]	ECBlockGroup.getDataBlocks()	Get data blocks
ECBlock[]	ECBlockGroup.getParityBlocks()	Get parity blocks

Constructors in org.apache.hadoop.io.erasurecode with parameters of type ECBlock

Constructor	Description
ECBlockGroup(ECBlock[] dataBlocks, ECBlock[] parityBlocks)	A constructor specifying data blocks and parity blocks.

Uses of ECBlock in org.apache.hadoop.io.erasurecode.coder

Methods in org.apache.hadoop.io.erasurecode.coder that return ECBlock

Modifier and Type	Method	Description
ECBlock[]	ErasureCodingStep.getInputBlocks()	Input blocks of readable data involved in this step, may be data blocks or parity blocks.
protected ECBlock[]	ErasureDecoder.getInputBlocks(ECBlockGroup blockGroup)	We have all the data blocks and parity blocks as input blocks for recovering by default.
ECBlock[]	ErasureDecodingStep.getInputBlocks()
protected ECBlock[]	ErasureEncoder.getInputBlocks(ECBlockGroup blockGroup)
ECBlock[]	ErasureEncodingStep.getInputBlocks()
ECBlock[]	HHErasureCodingStep.getInputBlocks()
ECBlock[]	ErasureCodingStep.getOutputBlocks()	Output blocks of writable buffers involved in this step, may be data blocks or parity blocks.
protected ECBlock[]	ErasureDecoder.getOutputBlocks(ECBlockGroup blockGroup)	Which blocks were erased ?
ECBlock[]	ErasureDecodingStep.getOutputBlocks()
protected ECBlock[]	ErasureEncoder.getOutputBlocks(ECBlockGroup blockGroup)
ECBlock[]	ErasureEncodingStep.getOutputBlocks()
ECBlock[]	HHErasureCodingStep.getOutputBlocks()
protected ECBlock[]	XORErasureDecoder.getOutputBlocks(ECBlockGroup blockGroup)	Which blocks were erased ? For XOR it's simple we only allow and return one erased block, either data or parity.

Methods in org.apache.hadoop.io.erasurecode.coder with parameters of type ECBlock

Modifier and Type	Method	Description
protected int[]	ErasureDecoder.getErasedIndexes(ECBlock[] inputBlocks)	Get indexes of erased blocks from inputBlocks
protected static int	ErasureDecoder.getNumErasedBlocks(ECBlock[] inputBlocks)	Find out how many blocks are erased.

Constructors in org.apache.hadoop.io.erasurecode.coder with parameters of type ECBlock

Constructor	Description
ErasureDecodingStep(ECBlock[] inputBlocks, int[] erasedIndexes, ECBlock[] outputBlocks, RawErasureDecoder rawDecoder)	The constructor with all the necessary info.
ErasureEncodingStep(ECBlock[] inputBlocks, ECBlock[] outputBlocks, RawErasureEncoder rawEncoder)	The constructor with all the necessary info.
HHErasureCodingStep(ECBlock[] inputBlocks, ECBlock[] outputBlocks)	Constructor given input blocks and output blocks.
HHXORErasureDecodingStep(ECBlock[] inputBlocks, int[] erasedIndexes, ECBlock[] outputBlocks, RawErasureDecoder rawDecoder, RawErasureEncoder rawEncoder)	The constructor with all the necessary info.
HHXORErasureEncodingStep(ECBlock[] inputBlocks, ECBlock[] outputBlocks, RawErasureEncoder rsRawEncoder, RawErasureEncoder xorRawEncoder)	The constructor with all the necessary info.

Uses of ECBlock in org.apache.hadoop.io.erasurecode.grouper

Methods in org.apache.hadoop.io.erasurecode.grouper with parameters of type ECBlock

Modifier and Type	Method	Description
ECBlockGroup	BlockGrouper.makeBlockGroup(ECBlock[] dataBlocks, ECBlock[] parityBlocks)	Calculating and organizing BlockGroup, to be called by ECManager