org.apache.flink.table.runtime.join.ProcTimeBoundedStreamJoin.scala Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
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package org.apache.flink.table.runtime.join
import org.apache.flink.api.common.typeinfo.TypeInformation
import org.apache.flink.streaming.api.functions.co.CoProcessFunction
import org.apache.flink.table.dataformat.BaseRow
import org.apache.flink.table.plan.FlinkJoinRelType
/**
* The function to execute processing time bounded stream inner-join.
*/
final class ProcTimeBoundedStreamJoin(
joinType: FlinkJoinRelType,
leftLowerBound: Long,
leftUpperBound: Long,
leftType: TypeInformation[BaseRow],
rightType: TypeInformation[BaseRow],
genJoinFuncName: String,
genJoinFuncCode: String)
extends TimeBoundedStreamJoin(joinType,
leftLowerBound,
leftUpperBound,
allowLateness = 0L,
leftType,
rightType,
genJoinFuncName,
genJoinFuncCode) {
override def updateOperatorTime(ctx: CoProcessFunction[BaseRow, BaseRow,
BaseRow]#Context): Unit = {
leftOperatorTime = ctx.timerService().currentProcessingTime()
rightOperatorTime = leftOperatorTime
}
override def getTimeForLeftStream(
ctx: CoProcessFunction[BaseRow, BaseRow, BaseRow]#Context,
row: BaseRow): Long = {
leftOperatorTime
}
override def getTimeForRightStream(ctx: CoProcessFunction[BaseRow, BaseRow, BaseRow]#Context,
row: BaseRow): Long = {
rightOperatorTime
}
override def registerTimer(
ctx: CoProcessFunction[BaseRow, BaseRow, BaseRow]#Context,
cleanupTime: Long): Unit = {
ctx.timerService().registerProcessingTimeTimer(cleanupTime)
}
}