接口的使用
org.apache.flink.runtime.state.KeyedStateFunction

使用KeyedStateFunction的程序包

程序包	说明
org.apache.flink.runtime.state
org.apache.flink.runtime.state.heap	This package contains the classes for key/value state backends that store the state on the JVM heap as objects.

org.apache.flink.runtime.state中KeyedStateFunction的使用

参数类型为KeyedStateFunction的org.apache.flink.runtime.state中的方法

限定符和类型	方法和说明
<N,S extends org.apache.flink.api.common.state.State,T> void	AbstractKeyedStateBackend.applyToAllKeys(N namespace, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor, KeyedStateFunction<K,S> function)
<N,S extends org.apache.flink.api.common.state.State,T> void	KeyedStateBackend.applyToAllKeys(N namespace, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor, KeyedStateFunction<K,S> function) Applies the provided KeyedStateFunction to the state with the provided StateDescriptor of all the currently active keys.
<N,S extends org.apache.flink.api.common.state.State,T> void	AbstractKeyedStateBackend.applyToAllKeys(N namespace, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor, KeyedStateFunction<K,S> function, AbstractKeyedStateBackend.PartitionStateFactory partitionStateFactory)

org.apache.flink.runtime.state.heap中KeyedStateFunction的使用

参数类型为KeyedStateFunction的org.apache.flink.runtime.state.heap中的方法

限定符和类型	方法和说明
<N,S extends org.apache.flink.api.common.state.State,T> void	HeapKeyedStateBackend.applyToAllKeys(N namespace, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor, KeyedStateFunction<K,S> function, AbstractKeyedStateBackend.PartitionStateFactory partitionStateFactory)