/*
 * Copyright 2009-2017 Aconex
 *
 * 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 io.pcp.parfait.timing;

import javax.measure.Unit;

public class ThreadValueMetric extends AbstractThreadMetric {
    public ThreadValue<? extends Number> source;
    
    public ThreadValueMetric(String name, Unit<?> unit, String counterSuffix,
            String description, ThreadValue<? extends Number> source) {
        super(name, unit, counterSuffix, description);
        this.source = source;
    }

    @Override
    public long getValueForThread(Thread t) {
        Number n = source.getForThread(t);
        return n == null ? 0 : n.longValue();
    }
}
