Package org.apache.flink.state.rocksdb.restore

Class RocksDBFullRestoreOperation<K>

java.lang.Object

org.apache.flink.state.rocksdb.restore.RocksDBFullRestoreOperation<K>

All Implemented Interfaces:

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

public class RocksDBFullRestoreOperation<K>
extends Object
implements RocksDBRestoreOperation

Encapsulates the process of restoring a RocksDB instance from a full snapshot.

Constructor Summary

Constructors

Constructor

Description

RocksDBFullRestoreOperation(org.apache.flink.runtime.state.KeyGroupRange keyGroupRange, ClassLoader userCodeClassLoader, Map<String,RocksDBKeyedStateBackend.RocksDbKvStateInfo> kvStateInformation, org.apache.flink.runtime.state.StateSerializerProvider<K> keySerializerProvider, File instanceRocksDBPath, org.rocksdb.DBOptions dbOptions, Function<String,org.rocksdb.ColumnFamilyOptions> columnFamilyOptionsFactory, RocksDBNativeMetricOptions nativeMetricOptions, org.apache.flink.metrics.MetricGroup metricGroup, Collection<org.apache.flink.runtime.state.KeyedStateHandle> restoreStateHandles, RocksDbTtlCompactFiltersManager ttlCompactFiltersManager, long writeBatchSize, Long writeBufferManagerCapacity, org.apache.flink.core.fs.ICloseableRegistry cancelStreamRegistryForRestore)

Method Summary

Modifier and Type	Method	Description
void	close()
RocksDBRestoreResult	restore()	Restores all key-groups data that is referenced by the passed state handles.

Methods inherited from class java.lang.Object

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

Constructor Details

RocksDBFullRestoreOperation

public RocksDBFullRestoreOperation(org.apache.flink.runtime.state.KeyGroupRange keyGroupRange,
 ClassLoader userCodeClassLoader,
 Map<String,RocksDBKeyedStateBackend.RocksDbKvStateInfo> kvStateInformation,
 org.apache.flink.runtime.state.StateSerializerProvider<K> keySerializerProvider,
 File instanceRocksDBPath,
 org.rocksdb.DBOptions dbOptions,
 Function<String,org.rocksdb.ColumnFamilyOptions> columnFamilyOptionsFactory,
 RocksDBNativeMetricOptions nativeMetricOptions,
 org.apache.flink.metrics.MetricGroup metricGroup,
 @Nonnull
 Collection<org.apache.flink.runtime.state.KeyedStateHandle> restoreStateHandles,
 @Nonnull
 RocksDbTtlCompactFiltersManager ttlCompactFiltersManager,
 @Nonnegative
 long writeBatchSize,
 Long writeBufferManagerCapacity,
 org.apache.flink.core.fs.ICloseableRegistry cancelStreamRegistryForRestore)

Method Details

restore

public RocksDBRestoreResult restore()
                             throws IOException,
org.apache.flink.util.StateMigrationException,
org.rocksdb.RocksDBException

Restores all key-groups data that is referenced by the passed state handles.

Specified by:

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

Specified by:

restore in interface RocksDBRestoreOperation

Throws:

IOException

org.apache.flink.util.StateMigrationException

org.rocksdb.RocksDBException

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception