org.apache.flink.runtime.state

接口 StateSnapshot.StateKeyGroupWriter

所有已知子接口:

KeyGroupPartitioner.PartitioningResult<T>

所有已知实现类:

CopyOnWriteStateTableSnapshot

封闭接口:

StateSnapshot

public static interface StateSnapshot.StateKeyGroupWriter

Interface for writing a snapshot that is partitioned into key-groups.

方法概要

限定符和类型	方法和说明
void	writeStateInKeyGroup(org.apache.flink.core.memory.DataOutputView dov, int keyGroupId) Writes the data for the specified key-group to the output.

方法详细资料

writeStateInKeyGroup

void writeStateInKeyGroup(@Nonnull
                          org.apache.flink.core.memory.DataOutputView dov,
                          @Nonnegative
                          int keyGroupId)
                   throws IOException

Writes the data for the specified key-group to the output. You must call StateSnapshot.getKeyGroupWriter() once before first calling this method.

参数:

dov - the output.

keyGroupId - the key-group to write.

抛出:

IOException - on write-related problems.