// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.handler;

import com.google.inject.Inject;
import com.yahoo.component.AbstractComponent;
import com.yahoo.container.di.componentgraph.Provider;
import com.yahoo.container.handler.threadpool.ContainerThreadPool;
import com.yahoo.container.protect.ProcessTerminator;
import com.yahoo.jdisc.Metric;

import java.util.concurrent.Executor;

/**
 * A configurable thread pool provider. This provides the worker threads used for normal request processing.
 * Request an Executor injected in your component constructor if you want to use it.
 *
 * @author Steinar Knutsen
 * @author baldersheim
 * @author bratseth
 */
public class ThreadPoolProvider extends AbstractComponent implements Provider<Executor> {

    private final ContainerThreadPool threadpool;

    public ThreadPoolProvider(ThreadpoolConfig threadpoolConfig, Metric metric) {
        this.threadpool = new ContainerThreadPool(threadpoolConfig, metric);
    }

    @Inject
    public ThreadPoolProvider(ThreadpoolConfig threadpoolConfig, Metric metric, ProcessTerminator processTerminator) {
        this.threadpool = new ContainerThreadPool(threadpoolConfig, metric, processTerminator);
    }

    /**
     * Get the Executor provided by this class. This Executor will by default
     * also be used for search queries and processing requests.
     *
     * @return a possibly shared executor
     */
    @Override
    public Executor get() { return threadpool.executor(); }

    /**
     * Shutdown the thread pool, give a grace period of 1 second before forcibly
     * shutting down all worker threads.
     */
    @Override
    public void deconstruct() {
        threadpool.deconstruct();
    }

}

@@ -893,16 +893,28 @@
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+    @Inject%0A
     publ
@@ -1071,28 +1071,16 @@
 %0A    %7D%0A%0A
-    @Inject%0A
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Annotate correct constructor with 'Inject'