org.apache.beam.fn.harness

Interface GroupingTable<K,InputT,AccumT>

All Known Implementing Classes:

PrecombineGroupingTable

public interface GroupingTable<K,InputT,AccumT>

An interface that groups inputs to an accumulator and flushes the output.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	GroupingTable.Receiver Abstract interface of things that accept inputs one at a time via process().

Method Summary

Modifier and Type	Method and Description
void	flush(GroupingTable.Receiver output) Flushes all entries in this table to output.
void	put(java.lang.Object pair, GroupingTable.Receiver receiver) Adds a pair to this table, possibly flushing some entries to output if the table is full.

Method Detail

put

void put(java.lang.Object pair,
         GroupingTable.Receiver receiver)
  throws java.lang.Exception

Adds a pair to this table, possibly flushing some entries to output if the table is full.

Throws:

java.lang.Exception

flush

void flush(GroupingTable.Receiver output)
    throws java.lang.Exception

Flushes all entries in this table to output.

Throws:

java.lang.Exception