T
- public class DelegatingWriteSupport<T> extends WriteSupport<T>
WriteSupport.FinalizedWriteContext, WriteSupport.WriteContext
Constructor and Description |
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DelegatingWriteSupport(WriteSupport<T> delegate) |
Modifier and Type | Method and Description |
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WriteSupport.FinalizedWriteContext |
finalizeWrite()
called once in the end after the last record was written
|
WriteSupport.WriteContext |
init(org.apache.hadoop.conf.Configuration configuration)
called first in the task
|
void |
prepareForWrite(RecordConsumer recordConsumer)
This will be called once per row group
|
String |
toString() |
void |
write(T record)
called once per record
|
public DelegatingWriteSupport(WriteSupport<T> delegate)
public WriteSupport.WriteContext init(org.apache.hadoop.conf.Configuration configuration)
WriteSupport
init
in class WriteSupport<T>
configuration
- the job's configurationpublic void prepareForWrite(RecordConsumer recordConsumer)
WriteSupport
prepareForWrite
in class WriteSupport<T>
recordConsumer
- the recordConsumer to write topublic void write(T record)
WriteSupport
write
in class WriteSupport<T>
record
- one record to write to the previously provided record consumerpublic WriteSupport.FinalizedWriteContext finalizeWrite()
WriteSupport
finalizeWrite
in class WriteSupport<T>
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