org.glassfish.jersey.server.ServerExecutorsFactory Maven / Gradle / Ivy

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package org.glassfish.jersey.server;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import javax.inject.Inject;

import org.glassfish.jersey.process.internal.ExecutorsFactory;
import org.glassfish.jersey.spi.RequestExecutorsProvider;
import org.glassfish.jersey.spi.ResponseExecutorsProvider;

import org.glassfish.hk2.api.ServiceLocator;

import com.google.common.util.concurrent.MoreExecutors;
import com.google.common.util.concurrent.ThreadFactoryBuilder;

/**
 * {@link org.glassfish.jersey.process.internal.ExecutorsFactory Executors factory} used on the server side.
 *
 * The class returns the {@link java.util.concurrent.ExecutorService requesting executor} based on the request
 * data.
 *
 * @author Miroslav Fuksa (miroslav.fuksa at oracle.com)
 */
class ServerExecutorsFactory extends ExecutorsFactory {
    private final ExecutorService requestingExecutor;
    private final ExecutorService respondingExecutor;


    /**
     * Creates a new instance.
     *
     * @param locator HK2 service locator.
     */
    @Inject
    public ServerExecutorsFactory(ServiceLocator locator) {
        super(locator);
        this.requestingExecutor = getInitialRequestingExecutor(new RequestExecutorsProvider() {

            @Override
            public ExecutorService getRequestingExecutor() {
                return Executors.newCachedThreadPool(
                        new ThreadFactoryBuilder().setNameFormat("jersey-server-managed-async-executor-%d").build());
            }
        });
        this.respondingExecutor = getInitialRespondingExecutor(new ResponseExecutorsProvider() {

            @Override
            public ExecutorService getRespondingExecutor() {
                return MoreExecutors.sameThreadExecutor();
            }
        });
    }

    @Override
    public ExecutorService getRequestingExecutor(ContainerRequest request) {
        return requestingExecutor;
    }

    @Override
    public ExecutorService getRespondingExecutor(ContainerRequest request) {
        return respondingExecutor;
    }
}