com.hazelcast.jet.sql.impl.opt.logical.WatermarkLogicalRel Maven / Gradle / Ivy
/*
* Copyright 2021 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.sql.impl.opt.logical;
import com.hazelcast.function.BiFunctionEx;
import com.hazelcast.jet.core.EventTimePolicy;
import com.hazelcast.sql.impl.expression.ExpressionEvalContext;
import com.hazelcast.sql.impl.row.JetSqlRow;
import com.hazelcast.org.apache.calcite.plan.RelOptCluster;
import com.hazelcast.org.apache.calcite.plan.RelOptCost;
import com.hazelcast.org.apache.calcite.plan.RelOptPlanner;
import com.hazelcast.org.apache.calcite.plan.RelTraitSet;
import com.hazelcast.org.apache.calcite.rel.RelNode;
import com.hazelcast.org.apache.calcite.rel.RelWriter;
import com.hazelcast.org.apache.calcite.rel.SingleRel;
import com.hazelcast.org.apache.calcite.rel.metadata.RelMetadataQuery;
import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;
import java.util.List;
public class WatermarkLogicalRel extends SingleRel implements LogicalRel {
private final BiFunctionEx> eventTimePolicyProvider;
private final int watermarkedColumnIndex;
WatermarkLogicalRel(
RelOptCluster cluster,
RelTraitSet traits,
RelNode input,
BiFunctionEx> eventTimePolicyProvider,
int watermarkedColumnIndex
) {
super(cluster, traits, input);
this.eventTimePolicyProvider = eventTimePolicyProvider;
this.watermarkedColumnIndex = watermarkedColumnIndex;
}
public BiFunctionEx> eventTimePolicyProvider() {
return eventTimePolicyProvider;
}
public int watermarkedColumnIndex() {
return watermarkedColumnIndex;
}
@Override
public RelWriter explainTerms(RelWriter pw) {
return super.explainTerms(pw)
.item("eventTimePolicyProvider", eventTimePolicyProvider)
.item("watermarkedColumnIndex", watermarkedColumnIndex);
}
@Override
public @Nullable
RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
return planner.getCostFactory().makeHugeCost();
}
@Override
public RelNode copy(RelTraitSet traitSet, List inputs) {
return new WatermarkLogicalRel(
getCluster(),
traitSet,
sole(inputs),
eventTimePolicyProvider,
watermarkedColumnIndex
);
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy