com.aliyun.odps.table.read.split

Interface InputSplitAssigner

All Superinterfaces:

Serializable

All Known Implementing Classes:

IndexedInputSplitAssigner, RowRangeInputSplitAssigner

public interface InputSplitAssigner
extends Serializable

An input split assigner distributes the InputSplit within a table read session. Each InputSplit represents a data split that can be processed by one Split reader

Method Summary

Modifier and Type	Method and Description
default InputSplit[]	getAllSplits() Return all input splits of the input split assigner.
default InputSplit	getSplit(int index) Return the split by index.
default InputSplit	getSplitByRowOffset(long startIndex, long numRecord) Returns the split by row offset.
default int	getSplitsCount() Returns the number of splits.
default long	getTotalRowCount() Returns the number of rows.

Method Detail

getSplitsCount

default int getSplitsCount()

Returns the number of splits.

getSplit

default InputSplit getSplit(int index)

Return the split by index.

getAllSplits

default InputSplit[] getAllSplits()

Return all input splits of the input split assigner.

getTotalRowCount

default long getTotalRowCount()

Returns the number of rows.

getSplitByRowOffset

default InputSplit getSplitByRowOffset(long startIndex,
                                       long numRecord)

Returns the split by row offset.