org.glassfish.grizzly.StandaloneProcessorSelector Maven / Gradle / Ivy

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package org.glassfish.grizzly;

/**
 * {@link ProcessorSelector}, which doesn't add any {@link Processor} to process
 * occurred {@link IOEvent}.
 * {@link Connection} I/O events should be processed explicitly by calling
 * read/write/accept/connect methods.
 *
 * Setting {@link StandaloneProcessorSelector} has the same effect as setting
 * {@link StandaloneProcessor}, though if {@link StandaloneProcessorSelector} is
 * set - there is still possibility to overwrite processing logic by providing
 * custom {@link Processor}.
 * 
 * @author Alexey Stashok
 */
public class StandaloneProcessorSelector implements ProcessorSelector {
    public static final StandaloneProcessorSelector INSTANCE =
            new StandaloneProcessorSelector();

    /**
     * Always return null, which means no {@link Processor} was found to process
     * {@link IOEvent}.
     */
    @Override
    public Processor select(IOEvent ioEvent, Connection connection) {
        return null;
    }

}