org.apache.flink.contrib.streaming.state.restore

Class RocksDBNoneRestoreOperation<K>

java.lang.Object

org.apache.flink.contrib.streaming.state.restore.RocksDBNoneRestoreOperation<K>

All Implemented Interfaces:

AutoCloseable, RocksDBRestoreOperation, org.apache.flink.runtime.state.RestoreOperation<RocksDBRestoreResult>

public class RocksDBNoneRestoreOperation<K>
extends Object
implements RocksDBRestoreOperation

Encapsulates the process of initiating a RocksDB instance without restore.

Constructor Summary

Constructors

Constructor and Description

RocksDBNoneRestoreOperation(Map<String,RocksDBKeyedStateBackend.RocksDbKvStateInfo> kvStateInformation, File instanceRocksDBPath, org.rocksdb.DBOptions dbOptions, java.util.function.Function<String,org.rocksdb.ColumnFamilyOptions> columnFamilyOptionsFactory, RocksDBNativeMetricOptions nativeMetricOptions, org.apache.flink.metrics.MetricGroup metricGroup, RocksDbTtlCompactFiltersManager ttlCompactFiltersManager, Long writeBufferManagerCapacity)

Method Summary

Modifier and Type	Method and Description
void	close()
RocksDBRestoreResult	restore() Restores state that was previously snapshot-ed from the provided state handles.

Methods inherited from class java.lang.Object

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

Constructor Detail

RocksDBNoneRestoreOperation

public RocksDBNoneRestoreOperation(Map<String,RocksDBKeyedStateBackend.RocksDbKvStateInfo> kvStateInformation,
                                   File instanceRocksDBPath,
                                   org.rocksdb.DBOptions dbOptions,
                                   java.util.function.Function<String,org.rocksdb.ColumnFamilyOptions> columnFamilyOptionsFactory,
                                   RocksDBNativeMetricOptions nativeMetricOptions,
                                   org.apache.flink.metrics.MetricGroup metricGroup,
                                   @Nonnull
                                   RocksDbTtlCompactFiltersManager ttlCompactFiltersManager,
                                   Long writeBufferManagerCapacity)

Method Detail

restore

public RocksDBRestoreResult restore()
                             throws Exception

Description copied from interface: RocksDBRestoreOperation

Restores state that was previously snapshot-ed from the provided state handles.

Specified by:

restore in interface RocksDBRestoreOperation

Specified by:

restore in interface org.apache.flink.runtime.state.RestoreOperation<RocksDBRestoreResult>

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception