pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/MetricsGenerator.java

/*
 * 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.pulsar.functions.worker;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ScheduledExecutorService;
import org.apache.pulsar.common.stats.JvmMetrics;
import org.apache.pulsar.common.stats.Metrics;

public class MetricsGenerator {

    private final JvmMetrics jvmMetrics;

    public MetricsGenerator(ScheduledExecutorService executor, WorkerConfig workerConfig) {
        this.jvmMetrics = JvmMetrics.create(executor, "fun", workerConfig.getJvmGCMetricsLoggerClassName());
    }

    public List<Metrics> generate() {
        List<Metrics> metricsCollection = new ArrayList<Metrics>();
        metricsCollection.addAll(jvmMetrics.generate());
        // add more metrics here..

        return metricsCollection;
    }

}