
org.apache.druid.query.materializedview.DataSourceOptimizerStats Maven / Gradle / Ivy
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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.druid.query.materializedview;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicLong;
public class DataSourceOptimizerStats
{
private final String base;
private final long hitcount;
private final long totalcount;
private final long optimizerCost;
private final Map, AtomicLong> missFields;
private final Map derivativesHitCount;
public DataSourceOptimizerStats(
String base,
long hitcount,
long totalcount,
long optimizerCost,
Map, AtomicLong> missFields,
Map derivativesHitCount
)
{
this.base = base;
this.hitcount = hitcount;
this.totalcount = totalcount;
this.optimizerCost = optimizerCost;
this.missFields = missFields;
this.derivativesHitCount = derivativesHitCount;
}
public Map, AtomicLong> getMissFields()
{
return missFields;
}
public String getBase()
{
return base;
}
public long getHitcount()
{
return hitcount;
}
public long getTotalcount()
{
return totalcount;
}
public double getOptimizerCost()
{
if (totalcount == 0L) {
return 0;
}
return ((double) optimizerCost) / totalcount;
}
public double getHitRate()
{
if (totalcount == 0L) {
return 0;
}
return ((double) hitcount) / totalcount;
}
public Map getDerivativesHitCount()
{
return derivativesHitCount;
}
}
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