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

使用StateSnapshotKeyGroupReader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StateSnapshotKeyGroupReader的使用

返回StateSnapshotKeyGroupReader的org.apache.flink.runtime.state中的方法

限定符和类型	方法和说明
static <T> StateSnapshotKeyGroupReader	KeyGroupPartitioner.createKeyGroupPartitionReader(KeyGroupPartitioner.ElementReaderFunction<T> readerFunction, KeyGroupPartitioner.KeyGroupElementsConsumer<T> elementConsumer)
StateSnapshotKeyGroupReader	StateSnapshotRestore.keyGroupReader(int readVersionHint) This method returns a StateSnapshotKeyGroupReader that can be used to restore the state on a per-key-group basis.

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

返回StateSnapshotKeyGroupReader的org.apache.flink.runtime.state.heap中的方法

限定符和类型	方法和说明
StateSnapshotKeyGroupReader	StateTable.keyGroupReader(int readVersion)
StateSnapshotKeyGroupReader	HeapPriorityQueueSnapshotRestoreWrapper.keyGroupReader(int readVersionHint)
static <K,N,S> StateSnapshotKeyGroupReader	StateTableByKeyGroupReaders.readerForVersion(StateTable<K,N,S> stateTable, int version) Creates a new StateTableByKeyGroupReader that inserts de-serialized mappings into the given table, using the de-serialization algorithm that matches the given version.