Examples of org.jruby.rack.SharedRackApplicationFactory

org.jruby.rack.SharedRackApplicationFactory
Shared application factory that only creates a single application instance. This factory implementation is the most effective on performance and esp. memory consumption but the underlying Ruby code in the application is assumed to be thread-safe. If you're using a Rails application make sure it is configured as config.threadsafe!. @author nicksieger

    public void init(ServletConfig config) {
        if(config.getServletContext().getAttribute(RackApplicationFactory.RACK_CONTEXT) == null){   
            System.out.println("setup rails application via jruby-rack - started . . .");
            ServletContext ctx = config.getServletContext();
            ServletRackConfig rackConfig = new RestyServletRackConfig(ctx);
            final RackApplicationFactory fac = new SharedRackApplicationFactory(new RailsRackApplicationFactory());
            ctx.setAttribute(RackApplicationFactory.FACTORY, fac);
            ServletRackContext rackContext = new ServletRackContext(rackConfig);
            ctx.setAttribute(RackApplicationFactory.RACK_CONTEXT, rackContext);
            try {
                fac.init(rackContext);
                System.out.println("setup rails application via jruby-rack - done . . .");
            } catch (Exception ex) {
                ctx.log("Error: application initialization failed", ex);
            }
        }

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 */
@Deprecated
public class MerbServletContextListener extends RackServletContextListener {
    @Override
    protected RackApplicationFactory newApplicationFactory(RackConfig config) {
        return new SharedRackApplicationFactory(
            new MerbRackApplicationFactory()
        );
    }

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    protected RackApplicationFactory newApplicationFactory(RackConfig config) {
        final RackApplicationFactory factory = new RailsRackApplicationFactory();
        final Integer maxRuntimes = config.getMaximumRuntimes();
        // TODO maybe after Rails 4 is out switch to shared by default as well !
        if ( maxRuntimes != null && maxRuntimes.intValue() == 1 ) {
            return new SharedRackApplicationFactory(factory);
        } 
        else {
            return config.isSerialInitialization() ?
                new SerialPoolingRackApplicationFactory(factory) :
                    new PoolingRackApplicationFactory(factory) ;

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Related Classes of org.jruby.rack.SharedRackApplicationFactory

org.fusesource.restygwt.examples.server.RailsServlet

org.jruby.rack.merb.MerbServletContextListener

org.jruby.rack.rails.RailsServletContextListener

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