org.apache.flink.table.runtime.operators.aggregate.window.buffers

Interface WindowBuffer.LocalFactory

All Superinterfaces:

Serializable

All Known Implementing Classes:

RecordsWindowBuffer.LocalFactory

Enclosing interface:

WindowBuffer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface WindowBuffer.LocalFactory
extends Serializable

A factory that creates a WindowBuffer.

Method Summary

Modifier and Type	Method and Description
WindowBuffer	create(Object operatorOwner, org.apache.flink.runtime.memory.MemoryManager memoryManager, long memorySize, org.apache.flink.api.common.functions.RuntimeContext runtimeContext, org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> collector, ZoneId shiftTimeZone) Creates a WindowBuffer for local window that buffers elements in memory before flushing.

Method Detail

create

WindowBuffer create(Object operatorOwner,
                    org.apache.flink.runtime.memory.MemoryManager memoryManager,
                    long memorySize,
                    org.apache.flink.api.common.functions.RuntimeContext runtimeContext,
                    org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> collector,
                    ZoneId shiftTimeZone)
             throws Exception

Creates a WindowBuffer for local window that buffers elements in memory before flushing.

Parameters:

operatorOwner - the owner of the operator

memoryManager - the manager that governs memory by Flink framework

memorySize - the managed memory size can be used by this operator

collector - collector to emit records

shiftTimeZone - the shift timezone of the window

Throws:

IOException - thrown if the buffer can't be opened

Exception