org.apache.flink.table.runtime.generated

接口 NamespaceAggsHandleFunction<N>

所有超级接口:

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

public interface NamespaceAggsHandleFunction<N>
extends NamespaceAggsHandleFunctionBase<N>

The base class for handling aggregate functions with namespace.

方法概要

限定符和类型	方法和说明
org.apache.flink.table.data.RowData	getValue(N namespace) Gets 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

getValue

org.apache.flink.table.data.RowData getValue(N namespace)
                                      throws Exception

Gets 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

返回:

the final result (saved in a row) of the current accumulators.

抛出:

Exception