Package org.apache.flink.state.forst

Class ForStIterateOperation

java.lang.Object

org.apache.flink.state.forst.ForStIterateOperation

All Implemented Interfaces:

ForStDBOperation

public class ForStIterateOperation
extends Object
implements ForStDBOperation

The iterate operation implementation for ForStDB, which leverages rocksdb's iterator directly.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CACHE_SIZE_LIMIT

Method Summary

Modifier and Type	Method	Description
CompletableFuture<Void>	process()	Process the ForStDB access requests.
int	subProcessCount()	The count of sub-processes.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

CACHE_SIZE_LIMIT

public static final int CACHE_SIZE_LIMIT

See Also:

• Constant Field Values

Method Details

process

public CompletableFuture<Void> process()

Description copied from interface: ForStDBOperation

Process the ForStDB access requests.

Specified by:

process in interface ForStDBOperation

Returns:

The future which indicates whether the operation is completed.

subProcessCount

public int subProcessCount()

Description copied from interface: ForStDBOperation

The count of sub-processes. Each sub-process is an atomic operation in one single thread.

Specified by:

subProcessCount in interface ForStDBOperation

Returns:

the count.