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/*
 * Copyright (c) 2008-2024, Hazelcast, Inc. All Rights Reserved.
 *
 * 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.hazelcast.scheduledexecutor.impl;

import com.hazelcast.scheduledexecutor.ScheduledTaskStatistics;

import java.util.concurrent.TimeUnit;

public class ScheduledTaskStatisticsImpl
        implements ScheduledTaskStatistics {

    private static final TimeUnit MEASUREMENT_UNIT = TimeUnit.NANOSECONDS;

    private long runs;
    private long lastRunDuration;
    private long lastIdleDuration;
    private long totalRunDuration;
    private long totalIdleDuration;

    public ScheduledTaskStatisticsImpl(long runs, long lastIdleTimeNanos, long totalRunTimeNanos, long totalIdleTimeNanos,
                                       long lastRunDuration) {
        this.runs = runs;
        this.lastIdleDuration = lastIdleTimeNanos;
        this.totalRunDuration = totalRunTimeNanos;
        this.totalIdleDuration = totalIdleTimeNanos;
        this.lastRunDuration = lastRunDuration;
    }

    @Override
    public long getTotalRuns() {
        return runs;
    }

    @Override
    public long getLastRunDuration(TimeUnit unit) {
        return unit.convert(lastRunDuration, MEASUREMENT_UNIT);
    }

    @Override
    public long getLastIdleTime(TimeUnit unit) {
        return unit.convert(lastIdleDuration, MEASUREMENT_UNIT);
    }

    @Override
    public long getTotalIdleTime(TimeUnit unit) {
        return unit.convert(totalIdleDuration, MEASUREMENT_UNIT);
    }

    @Override
    public long getTotalRunTime(TimeUnit unit) {
        return unit.convert(totalRunDuration, MEASUREMENT_UNIT);
    }

    @Override
    public String toString() {
        return "ScheduledTaskStatisticsImpl{"
                + "runs=" + runs
                + ", lastIdleDuration=" + lastIdleDuration
                + ", totalRunDuration=" + totalRunDuration
                + ", totalIdleDuration=" + totalIdleDuration
                + ", lastRunDuration=" + lastRunDuration
                + '}';
    }
}