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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.table.planner.plan.nodes.logical
import org.apache.flink.table.catalog.CatalogTable
import org.apache.flink.table.planner.plan.nodes.FlinkConventions
import org.apache.flink.table.planner.plan.nodes.calcite.{LegacySink, LogicalLegacySink}
import org.apache.flink.table.sinks.TableSink
import org.apache.calcite.plan.{Convention, RelOptCluster, RelOptRule, RelTraitSet}
import org.apache.calcite.rel.RelNode
import org.apache.calcite.rel.convert.ConverterRule
import org.apache.calcite.rel.hint.RelHint
import java.util
import scala.collection.JavaConversions._
/**
* Sub-class of [[LegacySink]] that is a relational expression
* which writes out data of input node into a [[TableSink]].
*/
class FlinkLogicalLegacySink(
cluster: RelOptCluster,
traitSet: RelTraitSet,
input: RelNode,
hints: util.List[RelHint],
sink: TableSink[_],
sinkName: String,
val catalogTable: CatalogTable,
val staticPartitions: Map[String, String])
extends LegacySink(cluster, traitSet, input, hints, sink, sinkName)
with FlinkLogicalRel {
override def copy(traitSet: RelTraitSet, inputs: util.List[RelNode]): RelNode = {
new FlinkLogicalLegacySink(
cluster, traitSet, inputs.head, hints, sink, sinkName, catalogTable, staticPartitions)
}
}
private class FlinkLogicalLegacySinkConverter
extends ConverterRule(
classOf[LogicalLegacySink],
Convention.NONE,
FlinkConventions.LOGICAL,
"FlinkLogicalLegacySinkConverter") {
override def convert(rel: RelNode): RelNode = {
val sink = rel.asInstanceOf[LogicalLegacySink]
val newInput = RelOptRule.convert(sink.getInput, FlinkConventions.LOGICAL)
FlinkLogicalLegacySink.create(
newInput,
sink.hints,
sink.sink,
sink.sinkName,
sink.catalogTable,
sink.staticPartitions)
}
}
object FlinkLogicalLegacySink {
val CONVERTER: ConverterRule = new FlinkLogicalLegacySinkConverter()
def create(
input: RelNode,
hints: util.List[RelHint],
sink: TableSink[_],
sinkName: String,
catalogTable: CatalogTable = null,
staticPartitions: Map[String, String] = Map()): FlinkLogicalLegacySink = {
val cluster = input.getCluster
val traitSet = cluster.traitSetOf(FlinkConventions.LOGICAL).simplify()
new FlinkLogicalLegacySink(
cluster, traitSet, input, hints, sink, sinkName, catalogTable, staticPartitions)
}
}