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

Packages that use ECBlockGroup

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

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

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

Modifier and Type	Method	Description
ErasureCodingStep	ErasureCoder.calculateCoding(ECBlockGroup blockGroup)	Calculate the encoding or decoding steps given a block blockGroup.
ErasureCodingStep	ErasureDecoder.calculateCoding(ECBlockGroup blockGroup)
ErasureCodingStep	ErasureEncoder.calculateCoding(ECBlockGroup blockGroup)
protected ECBlock[]	ErasureDecoder.getInputBlocks(ECBlockGroup blockGroup)	We have all the data blocks and parity blocks as input blocks for recovering by default.
protected ECBlock[]	ErasureEncoder.getInputBlocks(ECBlockGroup blockGroup)
protected int	ErasureDecoder.getNumErasedBlocks(ECBlockGroup blockGroup)	Get the number of erased blocks in the block group.
protected ECBlock[]	ErasureDecoder.getOutputBlocks(ECBlockGroup blockGroup)	Which blocks were erased ?
protected ECBlock[]	ErasureEncoder.getOutputBlocks(ECBlockGroup blockGroup)
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.
protected ErasureCodingStep	DummyErasureDecoder.prepareDecodingStep(ECBlockGroup blockGroup)
protected abstract ErasureCodingStep	ErasureDecoder.prepareDecodingStep(ECBlockGroup blockGroup)	Perform decoding against a block blockGroup.
protected ErasureCodingStep	HHXORErasureDecoder.prepareDecodingStep(ECBlockGroup blockGroup)
protected ErasureCodingStep	RSErasureDecoder.prepareDecodingStep(ECBlockGroup blockGroup)
protected ErasureCodingStep	XORErasureDecoder.prepareDecodingStep(ECBlockGroup blockGroup)
protected ErasureCodingStep	DummyErasureEncoder.prepareEncodingStep(ECBlockGroup blockGroup)
protected abstract ErasureCodingStep	ErasureEncoder.prepareEncodingStep(ECBlockGroup blockGroup)	Perform encoding against a block group.
protected ErasureCodingStep	HHXORErasureEncoder.prepareEncodingStep(ECBlockGroup blockGroup)
protected ErasureCodingStep	RSErasureEncoder.prepareEncodingStep(ECBlockGroup blockGroup)
protected ErasureCodingStep	XORErasureEncoder.prepareEncodingStep(ECBlockGroup blockGroup)

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

Methods in org.apache.hadoop.io.erasurecode.grouper that return ECBlockGroup

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

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

Modifier and Type	Method	Description
boolean	BlockGrouper.anyRecoverable(ECBlockGroup blockGroup)	Given a BlockGroup, tell if any of the missing blocks can be recovered, to be called by ECManager