Copyright 2016 Netflix, Inc.

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.
/**
 * Copyright 2016 Netflix, Inc.
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.netflix.hystrix.metric.sample;

import com.netflix.hystrix.HystrixThreadPoolMetrics;

public class HystrixThreadPoolUtilization {
    private final int currentActiveCount;
    private final int currentCorePoolSize;
    private final int currentPoolSize;
    private final int currentQueueSize;

    public HystrixThreadPoolUtilization(int currentActiveCount, int currentCorePoolSize, int currentPoolSize, int currentQueueSize) {
        this.currentActiveCount = currentActiveCount;
        this.currentCorePoolSize = currentCorePoolSize;
        this.currentPoolSize = currentPoolSize;
        this.currentQueueSize = currentQueueSize;
    }

    public static HystrixThreadPoolUtilization sample(HystrixThreadPoolMetrics threadPoolMetrics) {
        return new HystrixThreadPoolUtilization(
                threadPoolMetrics.getCurrentActiveCount().intValue(),
                threadPoolMetrics.getCurrentCorePoolSize().intValue(),
                threadPoolMetrics.getCurrentPoolSize().intValue(),
                threadPoolMetrics.getCurrentQueueSize().intValue()
        );
    }

    public int getCurrentActiveCount() {
        return currentActiveCount;
    }

    public int getCurrentCorePoolSize() {
        return currentCorePoolSize;
    }

    public int getCurrentPoolSize() {
        return currentPoolSize;
    }

    public int getCurrentQueueSize() {
        return currentQueueSize;
    }
}