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

Class RocksDBFullRestoreOperation<K>

java.lang.Object

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

All Implemented Interfaces:

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

public class RocksDBFullRestoreOperation<K>
extends Object
implements RocksDBRestoreOperation

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

Constructor Summary

Constructors

Constructor and 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, java.util.function.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)

Method Summary

Modifier and Type	Method and 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 Detail

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,
                                   java.util.function.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)

Method Detail

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 RocksDBRestoreOperation

Specified by:

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

Throws:

IOException

org.apache.flink.util.StateMigrationException

org.rocksdb.RocksDBException

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception