Package org.apache.flink.runtime.state.v2.internal

Interface InternalAggregatingState<K,​N,​IN,​ACC,​OUT>

  • Type Parameters:
    K - The type of key the state is associated to.
    N - The namespace type.
    IN - The type of the values that are added into the state.
    ACC - The type of the accumulator (intermediate aggregation state).
    OUT - The type of the values that are returned from the state.
    All Superinterfaces:
    org.apache.flink.api.common.state.v2.AggregatingState<IN,​OUT>, org.apache.flink.api.common.state.v2.AppendingState<IN,​OUT,​OUT>, InternalAppendingState<K,​N,​IN,​ACC,​OUT,​OUT>, InternalKeyedState<K,​N,​ACC>, InternalMergingState<K,​N,​IN,​ACC,​OUT,​OUT>, InternalPartitionedState<N>, org.apache.flink.api.common.state.v2.MergingState<IN,​OUT,​OUT>, org.apache.flink.api.common.state.v2.State
    All Known Subinterfaces:
    InternalReducingState<K,​N,​T>
    All Known Implementing Classes:
    AbstractAggregatingState, AbstractReducingState, AggregatingStateAdaptor, ReducingStateAdaptor
    public interface InternalAggregatingState<K,​N,​IN,​ACC,​OUT>
extends InternalMergingState<K,​N,​IN,​ACC,​OUT,​OUT>, org.apache.flink.api.common.state.v2.AggregatingState<IN,​OUT>
    This class defines the internal interface for aggregating state.