Package org.apache.flink.state.forst

Class ForStDBWriteBatchWrapper

java.lang.Object

org.apache.flink.state.forst.ForStDBWriteBatchWrapper

All Implemented Interfaces:

AutoCloseable

public class ForStDBWriteBatchWrapper
extends Object
implements AutoCloseable

It's a wrapper class around ForStDB's WriteBatch for writing in bulk.

IMPORTANT: This class is not thread safe.

Constructor Summary

Constructors

Constructor	Description
ForStDBWriteBatchWrapper(org.forstdb.RocksDB rocksDB, long writeBatchSize)
ForStDBWriteBatchWrapper(org.forstdb.RocksDB rocksDB, org.forstdb.WriteOptions options)
ForStDBWriteBatchWrapper(org.forstdb.RocksDB rocksDB, org.forstdb.WriteOptions options, int capacity, long batchSize)
ForStDBWriteBatchWrapper(org.forstdb.RocksDB rocksDB, org.forstdb.WriteOptions options, long batchSize)

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
Closeable	getCancelCloseable()
void	markCancelled()
void	merge(org.forstdb.ColumnFamilyHandle handle, byte[] key, byte[] value)
void	put(org.forstdb.ColumnFamilyHandle handle, byte[] key, byte[] value)
void	remove(org.forstdb.ColumnFamilyHandle handle, byte[] key)

Methods inherited from class java.lang.Object

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

Constructor Details

ForStDBWriteBatchWrapper

public ForStDBWriteBatchWrapper(@Nonnull
 org.forstdb.RocksDB rocksDB,
 long writeBatchSize)

ForStDBWriteBatchWrapper

public ForStDBWriteBatchWrapper(@Nonnull
 org.forstdb.RocksDB rocksDB,
 @Nullable
 org.forstdb.WriteOptions options)

ForStDBWriteBatchWrapper

public ForStDBWriteBatchWrapper(@Nonnull
 org.forstdb.RocksDB rocksDB,
 @Nullable
 org.forstdb.WriteOptions options,
 long batchSize)

ForStDBWriteBatchWrapper

public ForStDBWriteBatchWrapper(@Nonnull
 org.forstdb.RocksDB rocksDB,
 @Nullable
 org.forstdb.WriteOptions options,
 int capacity,
 long batchSize)

Method Details

put

public void put(@Nonnull
 org.forstdb.ColumnFamilyHandle handle,
 @Nonnull
 byte[] key,
 @Nonnull
 byte[] value)
         throws org.forstdb.RocksDBException

Throws:

org.forstdb.RocksDBException

remove

public void remove(@Nonnull
 org.forstdb.ColumnFamilyHandle handle,
 @Nonnull
 byte[] key)
            throws org.forstdb.RocksDBException

Throws:

org.forstdb.RocksDBException

merge

public void merge(@Nonnull
 org.forstdb.ColumnFamilyHandle handle,
 @Nonnull
 byte[] key,
 @Nonnull
 byte[] value)
           throws org.forstdb.RocksDBException

Throws:

org.forstdb.RocksDBException

flush

public void flush()
           throws org.forstdb.RocksDBException

Throws:

org.forstdb.RocksDBException

close

public void close()
           throws org.forstdb.RocksDBException

Specified by:

close in interface AutoCloseable

Throws:

org.forstdb.RocksDBException

markCancelled

public void markCancelled()

getCancelCloseable

public Closeable getCancelCloseable()