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Graylog

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/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see .
 */
package org.graylog2.shared.bindings.providers;

import com.google.common.util.concurrent.ThreadFactoryBuilder;
import org.graylog2.plugin.Tools;
import org.graylog2.shared.rest.resources.ProxiedResource;
import org.slf4j.LoggerFactory;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import javax.inject.Singleton;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

@Singleton
public class ProxiedRequestsExecutorService implements Provider {
    private final int proxiedRequestsMaxThreads;

    @Inject
    public ProxiedRequestsExecutorService(@Named("proxied_requests_thread_pool_size") int proxiedRequestsMaxThreads) {
        this.proxiedRequestsMaxThreads = proxiedRequestsMaxThreads;
    }

    @Override
    public ExecutorService get() {
        return Executors.newFixedThreadPool(proxiedRequestsMaxThreads,
            new ThreadFactoryBuilder()
                .setNameFormat("proxied-requests-pool-%d")
                .setDaemon(true)
                .setUncaughtExceptionHandler(new Tools.LogUncaughtExceptionHandler(LoggerFactory.getLogger(ProxiedResource.class.getName())))
                .build()
        );
    }
}