org.apache.flink.table.store.connector.lookup

类 RocksDBValueState

java.lang.Object

org.apache.flink.table.store.connector.lookup.RocksDBState<RocksDBState.Reference>

org.apache.flink.table.store.connector.lookup.RocksDBValueState

public class RocksDBValueState
extends RocksDBState<RocksDBState.Reference>

Rocksdb state for key -> a single value.

嵌套类概要

从类继承的嵌套类/接口 org.apache.flink.table.store.connector.lookup.RocksDBState

RocksDBState.ByteArray, RocksDBState.Reference

字段概要

从类继承的字段 org.apache.flink.table.store.connector.lookup.RocksDBState

cache, columnFamily, db, keyOutView, keySerializer, valueInputView, valueOutputView, valueSerializer, writeOptions

构造器概要

构造器

构造器和说明
RocksDBValueState(org.rocksdb.RocksDB db, org.rocksdb.ColumnFamilyHandle columnFamily, org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> valueSerializer, long lruCacheSize)

方法概要

限定符和类型	方法和说明
void	delete(org.apache.flink.table.data.RowData key)
org.apache.flink.table.data.RowData	get(org.apache.flink.table.data.RowData key)
void	put(org.apache.flink.table.data.RowData key, org.apache.flink.table.data.RowData value)

从类继承的方法 org.apache.flink.table.store.connector.lookup.RocksDBState

ref, serializeKey, wrap

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

RocksDBValueState

public RocksDBValueState(org.rocksdb.RocksDB db,
                         org.rocksdb.ColumnFamilyHandle columnFamily,
                         org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> keySerializer,
                         org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> valueSerializer,
                         long lruCacheSize)

方法详细资料

get

@Nullable
public org.apache.flink.table.data.RowData get(org.apache.flink.table.data.RowData key)
                                                  throws IOException

抛出:

IOException

put

public void put(org.apache.flink.table.data.RowData key,
                org.apache.flink.table.data.RowData value)
         throws IOException

抛出:

IOException

delete

public void delete(org.apache.flink.table.data.RowData key)
            throws IOException

抛出:

IOException