public class DecoderRecode extends Decoder
| Constructor and Description |
|---|
DecoderRecode() |
| Modifier and Type | Method and Description |
|---|---|
FrameBlock |
decode(MatrixBlock in,
FrameBlock out)
Block decode API converting a matrix block into a frame block.
|
void |
initMetaData(FrameBlock meta) |
static void |
parseRecodeMapEntry(String entry,
Pair<String,String> pair)
Parses a line of <token, ID, count> into <token, ID> pairs, where
quoted tokens (potentially including separators) are supported.
|
void |
readExternal(ObjectInput in)
Redirects the default java serialization via externalizable to our default
hadoop writable serialization for efficient broadcast/rdd deserialization.
|
Decoder |
subRangeDecoder(int colStart,
int colEnd,
int dummycodedOffset)
Returns a new Decoder that only handles a sub range of columns.
|
void |
writeExternal(ObjectOutput out)
Redirects the default java serialization via externalizable to our default
hadoop writable serialization for efficient broadcast/rdd serialization.
|
getColnames, getSchema, setColnames, updateIndexRangespublic FrameBlock decode(MatrixBlock in, FrameBlock out)
Decoderpublic Decoder subRangeDecoder(int colStart, int colEnd, int dummycodedOffset)
DecodersubRangeDecoder in class DecodercolStart - the start index of the sub-range (1-based, inclusive)colEnd - the end index of the sub-range (1-based, exclusive)dummycodedOffset - the offset of dummycoded segments before colStartpublic void initMetaData(FrameBlock meta)
initMetaData in class Decoderpublic static void parseRecodeMapEntry(String entry, Pair<String,String> pair)
entry - entry line (token, ID, count)pair - token-ID pairpublic void writeExternal(ObjectOutput out) throws IOException
DecoderwriteExternal in interface ExternalizablewriteExternal in class Decoderout - object outputIOException - if IOException occurspublic void readExternal(ObjectInput in) throws IOException
DecoderreadExternal in interface ExternalizablereadExternal in class Decoderin - object inputIOException - if IOException occurCopyright © 2021 The Apache Software Foundation. All rights reserved.