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QuestDB is high performance SQL time series database

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 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2024 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
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package io.questdb.cutlass.pgwire;

import io.questdb.metrics.Counter;
import io.questdb.metrics.LongGauge;
import io.questdb.metrics.MetricsRegistry;

public class PGWireMetrics {

    private final LongGauge cachedSelectsGauge;
    private final LongGauge cachedUpdatesGauge;
    private final LongGauge connectionCountGauge;
    private final Counter errorCounter;
    private final Counter selectCacheHitCounter;
    private final Counter selectCacheMissCounter;

    public PGWireMetrics(MetricsRegistry metricsRegistry) {
        this.connectionCountGauge = metricsRegistry.newLongGauge("pg_wire_connections");
        this.cachedSelectsGauge = metricsRegistry.newLongGauge("pg_wire_select_queries_cached");
        this.cachedUpdatesGauge = metricsRegistry.newLongGauge("pg_wire_update_queries_cached");
        this.selectCacheHitCounter = metricsRegistry.newCounter("pg_wire_select_cache_hits");
        this.selectCacheMissCounter = metricsRegistry.newCounter("pg_wire_select_cache_misses");
        this.errorCounter = metricsRegistry.newCounter("pg_wire_errors");
    }

    public LongGauge cachedSelectsGauge() {
        return cachedSelectsGauge;
    }

    public LongGauge cachedUpdatesGauge() {
        return cachedUpdatesGauge;
    }

    public LongGauge connectionCountGauge() {
        return connectionCountGauge;
    }

    public Counter getErrorCounter() {
        return errorCounter;
    }

    public Counter selectCacheHitCounter() {
        return selectCacheHitCounter;
    }

    public Counter selectCacheMissCounter() {
        return selectCacheMissCounter;
    }
}