org.apache.flink.table.runtime.generated

接口 NamespaceTableAggsHandleFunction<N>

所有超级接口:

org.apache.flink.api.common.functions.Function, NamespaceAggsHandleFunctionBase<N>, Serializable

public interface NamespaceTableAggsHandleFunction<N>
extends NamespaceAggsHandleFunctionBase<N>

The base class for handling table aggregate functions with namespace.

方法概要

限定符和类型	方法和说明
void	emitValue(N namespace, org.apache.flink.table.data.RowData key, org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> out) Emits the result of the aggregation from the current accumulators and namespace properties (like window start).

从接口继承的方法 org.apache.flink.table.runtime.generated.NamespaceAggsHandleFunctionBase

accumulate, cleanup, close, createAccumulators, getAccumulators, merge, open, retract, setAccumulators

方法详细资料

emitValue

void emitValue(N namespace,
               org.apache.flink.table.data.RowData key,
               org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> out)
        throws Exception

Emits the result of the aggregation from the current accumulators and namespace properties (like window start).

参数:

namespace - the namespace properties which should be calculated, such window start

key - the group key for the current emit.

out - the collector used to emit results.

抛出:

Exception