| /* |
| * 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.iotdb.db.engine.cache; |
| |
| import org.apache.iotdb.db.service.metrics.enums.Metric; |
| import org.apache.iotdb.db.service.metrics.enums.Tag; |
| import org.apache.iotdb.metrics.AbstractMetricService; |
| import org.apache.iotdb.metrics.metricsets.IMetricSet; |
| import org.apache.iotdb.metrics.utils.MetricLevel; |
| import org.apache.iotdb.metrics.utils.MetricType; |
| |
| import java.util.Objects; |
| |
| public class TimeSeriesMetadataCacheMetrics implements IMetricSet { |
| |
| private TimeSeriesMetadataCache timeSeriesMetadataCache; |
| |
| public TimeSeriesMetadataCacheMetrics(TimeSeriesMetadataCache timeSeriesMetadataCache) { |
| this.timeSeriesMetadataCache = timeSeriesMetadataCache; |
| } |
| |
| @Override |
| public void bindTo(AbstractMetricService metricService) { |
| metricService.getOrCreateAutoGauge( |
| Metric.CACHE_HIT.toString(), |
| MetricLevel.IMPORTANT, |
| timeSeriesMetadataCache, |
| l -> (long) timeSeriesMetadataCache.calculateTimeSeriesMetadataHitRatio(), |
| Tag.NAME.toString(), |
| "timeSeriesMeta"); |
| metricService.getOrCreateAutoGauge( |
| Metric.CACHE_HIT.toString(), |
| MetricLevel.IMPORTANT, |
| timeSeriesMetadataCache, |
| TimeSeriesMetadataCache::calculateBloomFilterHitRatio, |
| Tag.NAME.toString(), |
| "bloomFilter"); |
| } |
| |
| @Override |
| public void unbindFrom(AbstractMetricService metricService) { |
| metricService.remove( |
| MetricType.GAUGE, Metric.CACHE_HIT.toString(), Tag.NAME.toString(), "timeSeriesMeta"); |
| metricService.remove( |
| MetricType.GAUGE, Metric.CACHE_HIT.toString(), Tag.NAME.toString(), "bloomFilter"); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| TimeSeriesMetadataCacheMetrics that = (TimeSeriesMetadataCacheMetrics) o; |
| return Objects.equals(timeSeriesMetadataCache, that.timeSeriesMetadataCache); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(timeSeriesMetadataCache); |
| } |
| } |