Uses of Interface
org.apache.flink.runtime.state.KvState

Packages that use KvState

Package	Description
org.apache.flink.runtime.state
org.apache.flink.runtime.state.filesystem
org.apache.flink.runtime.state.memory

Uses of KvState in org.apache.flink.runtime.state

Classes in org.apache.flink.runtime.state with type parameters of type KvState

Modifier and Type	Class and Description
class	GenericFoldingState<K,N,T,ACC,Backend extends AbstractStateBackend,W extends org.apache.flink.api.common.state.ValueState<ACC> & KvState<K,N,org.apache.flink.api.common.state.ValueState<ACC>,org.apache.flink.api.common.state.ValueStateDescriptor<ACC>,Backend>> Generic implementation of FoldingState based on a wrapped ValueState.
class	GenericListState<K,N,T,Backend extends AbstractStateBackend,W extends org.apache.flink.api.common.state.ValueState<ArrayList<T>> & KvState<K,N,org.apache.flink.api.common.state.ValueState<ArrayList<T>>,org.apache.flink.api.common.state.ValueStateDescriptor<ArrayList<T>>,Backend>> Generic implementation of ListState based on a wrapped ValueState.
class	GenericReducingState<K,N,T,Backend extends AbstractStateBackend,W extends org.apache.flink.api.common.state.ValueState<T> & KvState<K,N,org.apache.flink.api.common.state.ValueState<T>,org.apache.flink.api.common.state.ValueStateDescriptor<T>,Backend>> Generic implementation of ReducingState based on a wrapped ValueState.

Classes in org.apache.flink.runtime.state that implement KvState

Modifier and Type	Class and Description
class	AbstractHeapState<K,N,SV,S extends org.apache.flink.api.common.state.State,SD extends org.apache.flink.api.common.state.StateDescriptor<S,?>,Backend extends AbstractStateBackend> Base class for partitioned ListState implementations that are backed by a regular heap hash map.
class	GenericFoldingState<K,N,T,ACC,Backend extends AbstractStateBackend,W extends org.apache.flink.api.common.state.ValueState<ACC> & KvState<K,N,org.apache.flink.api.common.state.ValueState<ACC>,org.apache.flink.api.common.state.ValueStateDescriptor<ACC>,Backend>> Generic implementation of FoldingState based on a wrapped ValueState.
class	GenericListState<K,N,T,Backend extends AbstractStateBackend,W extends org.apache.flink.api.common.state.ValueState<ArrayList<T>> & KvState<K,N,org.apache.flink.api.common.state.ValueState<ArrayList<T>>,org.apache.flink.api.common.state.ValueStateDescriptor<ArrayList<T>>,Backend>> Generic implementation of ListState based on a wrapped ValueState.
class	GenericReducingState<K,N,T,Backend extends AbstractStateBackend,W extends org.apache.flink.api.common.state.ValueState<T> & KvState<K,N,org.apache.flink.api.common.state.ValueState<T>,org.apache.flink.api.common.state.ValueStateDescriptor<T>,Backend>> Generic implementation of ReducingState based on a wrapped ValueState.

Fields in org.apache.flink.runtime.state with type parameters of type KvState

Modifier and Type	Field and Description
protected HashMap<String,KvState<?,?,?,?,?>>	AbstractStateBackend.keyValueStatesByName So that we can give out state when the user uses the same key.

Methods in org.apache.flink.runtime.state that return KvState

Modifier and Type	Method and Description
KvState<K,N,S,SD,Backend>	AsynchronousKvStateSnapshot.restoreState(Backend stateBackend, org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, ClassLoader classLoader)
KvState<K,N,S,SD,Backend>	KvStateSnapshot.restoreState(Backend stateBackend, org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, ClassLoader classLoader) Loads the key/value state back from this snapshot.

Uses of KvState in org.apache.flink.runtime.state.filesystem

Classes in org.apache.flink.runtime.state.filesystem that implement KvState

Modifier and Type	Class and Description
class	AbstractFsState<K,N,SV,S extends org.apache.flink.api.common.state.State,SD extends org.apache.flink.api.common.state.StateDescriptor<S,?>> Base class for partitioned ListState implementations that are backed by a regular heap hash map.
class	FsFoldingState<K,N,T,ACC> Heap-backed partitioned FoldingState that is snapshotted into files.
class	FsListState<K,N,V> Heap-backed partitioned ListState that is snapshotted into files.
class	FsReducingState<K,N,V> Heap-backed partitioned ReducingState that is snapshotted into files.
class	FsValueState<K,N,V> Heap-backed partitioned ValueState that is snapshotted into files.

Methods in org.apache.flink.runtime.state.filesystem that return KvState

Modifier and Type	Method and Description
KvState<K,N,org.apache.flink.api.common.state.FoldingState<T,ACC>,org.apache.flink.api.common.state.FoldingStateDescriptor<T,ACC>,FsStateBackend>	FsFoldingState.Snapshot.createFsState(FsStateBackend backend, HashMap<N,Map<K,ACC>> stateMap)
KvState<K,N,org.apache.flink.api.common.state.ListState<V>,org.apache.flink.api.common.state.ListStateDescriptor<V>,FsStateBackend>	FsListState.Snapshot.createFsState(FsStateBackend backend, HashMap<N,Map<K,ArrayList<V>>> stateMap)
abstract KvState<K,N,S,SD,FsStateBackend>	AbstractFsStateSnapshot.createFsState(FsStateBackend backend, HashMap<N,Map<K,SV>> stateMap)
KvState<K,N,org.apache.flink.api.common.state.ValueState<V>,org.apache.flink.api.common.state.ValueStateDescriptor<V>,FsStateBackend>	FsValueState.Snapshot.createFsState(FsStateBackend backend, HashMap<N,Map<K,V>> stateMap)
KvState<K,N,org.apache.flink.api.common.state.ReducingState<V>,org.apache.flink.api.common.state.ReducingStateDescriptor<V>,FsStateBackend>	FsReducingState.Snapshot.createFsState(FsStateBackend backend, HashMap<N,Map<K,V>> stateMap)
KvState<K,N,S,SD,FsStateBackend>	AbstractFsStateSnapshot.restoreState(FsStateBackend stateBackend, org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, ClassLoader classLoader)

Uses of KvState in org.apache.flink.runtime.state.memory

Classes in org.apache.flink.runtime.state.memory that implement KvState

Modifier and Type	Class and Description
class	AbstractMemState<K,N,SV,S extends org.apache.flink.api.common.state.State,SD extends org.apache.flink.api.common.state.StateDescriptor<S,?>> Base class for partitioned ListState implementations that are backed by a regular heap hash map.
class	MemFoldingState<K,N,T,ACC> Heap-backed partitioned FoldingState that is snapshotted into a serialized memory copy.
class	MemListState<K,N,V> Heap-backed partitioned ListState that is snapshotted into a serialized memory copy.
class	MemReducingState<K,N,V> Heap-backed partitioned ReducingState that is snapshotted into a serialized memory copy.
class	MemValueState<K,N,V> Heap-backed key/value state that is snapshotted into a serialized memory copy.

Methods in org.apache.flink.runtime.state.memory that return KvState

Modifier and Type	Method and Description
KvState<K,N,org.apache.flink.api.common.state.FoldingState<T,ACC>,org.apache.flink.api.common.state.FoldingStateDescriptor<T,ACC>,MemoryStateBackend>	MemFoldingState.Snapshot.createMemState(HashMap<N,Map<K,ACC>> stateMap)
KvState<K,N,org.apache.flink.api.common.state.ListState<V>,org.apache.flink.api.common.state.ListStateDescriptor<V>,MemoryStateBackend>	MemListState.Snapshot.createMemState(HashMap<N,Map<K,ArrayList<V>>> stateMap)
abstract KvState<K,N,S,SD,MemoryStateBackend>	AbstractMemStateSnapshot.createMemState(HashMap<N,Map<K,SV>> stateMap)
KvState<K,N,org.apache.flink.api.common.state.ValueState<V>,org.apache.flink.api.common.state.ValueStateDescriptor<V>,MemoryStateBackend>	MemValueState.Snapshot.createMemState(HashMap<N,Map<K,V>> stateMap)
KvState<K,N,org.apache.flink.api.common.state.ReducingState<V>,org.apache.flink.api.common.state.ReducingStateDescriptor<V>,MemoryStateBackend>	MemReducingState.Snapshot.createMemState(HashMap<N,Map<K,V>> stateMap)
KvState<K,N,S,SD,MemoryStateBackend>	AbstractMemStateSnapshot.restoreState(MemoryStateBackend stateBackend, org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, ClassLoader classLoader)