org.apache.flink.contrib.streaming.state

类 RocksDBWriteBatchWrapper

java.lang.Object

org.apache.flink.contrib.streaming.state.RocksDBWriteBatchWrapper

所有已实现的接口:

AutoCloseable

public class RocksDBWriteBatchWrapper
extends Object
implements AutoCloseable

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

IMPORTANT: This class is not thread safe.

构造器概要

构造器

构造器和说明
RocksDBWriteBatchWrapper(org.rocksdb.RocksDB rocksDB)
RocksDBWriteBatchWrapper(org.rocksdb.RocksDB rocksDB, org.rocksdb.WriteOptions options)
RocksDBWriteBatchWrapper(org.rocksdb.RocksDB rocksDB, org.rocksdb.WriteOptions options, int capacity)

方法概要

限定符和类型	方法和说明
void	close()
void	flush()
org.rocksdb.WriteOptions	getOptions()
void	put(org.rocksdb.ColumnFamilyHandle handle, byte[] key, byte[] value)
void	remove(org.rocksdb.ColumnFamilyHandle handle, byte[] key)

从类继承的方法 java.lang.Object

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

构造器详细资料

RocksDBWriteBatchWrapper

public RocksDBWriteBatchWrapper(@Nonnull
                                org.rocksdb.RocksDB rocksDB)

RocksDBWriteBatchWrapper

public RocksDBWriteBatchWrapper(@Nonnull
                                org.rocksdb.RocksDB rocksDB,
                                @Nullable
                                org.rocksdb.WriteOptions options)

RocksDBWriteBatchWrapper

public RocksDBWriteBatchWrapper(@Nonnull
                                org.rocksdb.RocksDB rocksDB,
                                @Nullable
                                org.rocksdb.WriteOptions options,
                                int capacity)

方法详细资料

put

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

抛出:

org.rocksdb.RocksDBException

remove

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

抛出:

org.rocksdb.RocksDBException

flush

public void flush()
           throws org.rocksdb.RocksDBException

抛出:

org.rocksdb.RocksDBException

getOptions

public org.rocksdb.WriteOptions getOptions()

close

public void close()
           throws org.rocksdb.RocksDBException

指定者:

close 在接口中 AutoCloseable

抛出:

org.rocksdb.RocksDBException