io.questdb.griffin.engine.groupby.vect.VectorAggregateEntry Maven / Gradle / Ivy
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*
* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2020 QuestDB
*
* Licensed 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 io.questdb.griffin.engine.groupby.vect;
import io.questdb.mp.CountDownLatchSPI;
import io.questdb.std.AbstractLockable;
import io.questdb.std.Mutable;
public class VectorAggregateEntry extends AbstractLockable implements Mutable {
private long[] pRosti;
private long keyAddress;
private long valueAddress;
private long valueCount;
private VectorAggregateFunction func;
private CountDownLatchSPI doneLatch;
@Override
public void clear() {
this.valueAddress = 0;
this.valueCount = 0;
func = null;
}
public boolean run(int workerId) {
if (tryLock()) {
if (pRosti != null) {
func.aggregate(pRosti[workerId], keyAddress, valueAddress, valueCount, workerId);
} else {
func.aggregate(valueAddress, valueCount, workerId);
}
doneLatch.countDown();
return true;
}
return false;
}
void of(
int sequence,
VectorAggregateFunction vaf,
long[] pRosti,
long keyPageAddress,
long valuePageAddress,
long valuePageCount,
CountDownLatchSPI doneLatch
) {
of(sequence);
this.pRosti = pRosti;
this.keyAddress = keyPageAddress;
this.valueAddress = valuePageAddress;
this.valueCount = valuePageCount;
this.func = vaf;
this.doneLatch = doneLatch;
}
}