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

类 RocksDBState<CacheV>

java.lang.Object

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

直接已知子类:

RocksDBSetState, RocksDBValueState

public abstract class RocksDBState<CacheV>
extends Object

Rocksdb state for key value.

嵌套类概要

嵌套类

限定符和类型	类和说明
protected static class	RocksDBState.ByteArray A class wraps byte[] to implement equals and hashCode.
protected static class	RocksDBState.Reference A class wraps byte[] to indicate contain or not contain.

字段概要

字段

限定符和类型	字段和说明
protected org.apache.flink.shaded.guava30.com.google.common.cache.Cache<RocksDBState.ByteArray,CacheV>	cache
protected org.rocksdb.ColumnFamilyHandle	columnFamily
protected org.rocksdb.RocksDB	db
protected org.apache.flink.core.memory.DataOutputSerializer	keyOutView
protected org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData>	keySerializer
protected org.apache.flink.core.memory.DataInputDeserializer	valueInputView
protected org.apache.flink.core.memory.DataOutputSerializer	valueOutputView
protected org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData>	valueSerializer
protected org.rocksdb.WriteOptions	writeOptions

构造器概要

构造器

构造器和说明
RocksDBState(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
protected RocksDBState.Reference	ref(byte[] bytes)
protected byte[]	serializeKey(org.apache.flink.table.data.RowData key)
protected RocksDBState.ByteArray	wrap(byte[] bytes)

从类继承的方法 java.lang.Object

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

字段详细资料

db

protected final org.rocksdb.RocksDB db

writeOptions

protected final org.rocksdb.WriteOptions writeOptions

columnFamily

protected final org.rocksdb.ColumnFamilyHandle columnFamily

keySerializer

protected final org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> keySerializer

valueSerializer

protected final org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> valueSerializer

keyOutView

protected final org.apache.flink.core.memory.DataOutputSerializer keyOutView

valueInputView

protected final org.apache.flink.core.memory.DataInputDeserializer valueInputView

valueOutputView

protected final org.apache.flink.core.memory.DataOutputSerializer valueOutputView

cache

protected final org.apache.flink.shaded.guava30.com.google.common.cache.Cache<RocksDBState.ByteArray,CacheV> cache

构造器详细资料

RocksDBState

public RocksDBState(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

serializeKey

protected byte[] serializeKey(org.apache.flink.table.data.RowData key)
                       throws IOException

抛出:

IOException

wrap

protected RocksDBState.ByteArray wrap(byte[] bytes)

ref

protected RocksDBState.Reference ref(byte[] bytes)