UnknownMemoryMetric.java example

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/*
 * Copyright 2017 NAVER Corp.
 *
 * 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 com.navercorp.pinpoint.profiler.monitor.metric.memory;

import com.codahale.metrics.Metric;

import java.util.Map;

/**
 * Unknown memory metrics
 *
 * @author HyunGil Jeong
 */
public class UnknownMemoryMetric extends CommonMemoryMetric {

    public UnknownMemoryMetric(Map<String, Metric> memoryUsageMetrics) {
        super(memoryUsageMetrics);
    }

    @Override
    public Double newGenUsage() {
        return EMPTY_DOUBLE_GAUGE.getValue();
    }

    @Override
    public Double oldGenUsage() {
        return EMPTY_DOUBLE_GAUGE.getValue();
    }

    @Override
    public Double codeCacheUsage() {
        return EMPTY_DOUBLE_GAUGE.getValue();
    }

    @Override
    public Double survivorUsage() {
        return EMPTY_DOUBLE_GAUGE.getValue();
    }

    @Override
    public Double permGenUsage() {
        return EMPTY_DOUBLE_GAUGE.getValue();
    }

    @Override
    public Double metaspaceUsage() {
        return EMPTY_DOUBLE_GAUGE.getValue();
    }

    @Override
    public String toString() {
        return "Unknown memory metrics";
    }
}