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/*
 * 
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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package com.sun.grizzly.utils;

import com.sun.grizzly.IOEvent;

/**
 *
 * @author Alexey Stashok
 */
public interface IOEventMask {
    public boolean isInterested(IOEvent ioEvent);

    public void setInterested(IOEvent ioEvent, boolean isInterested);
    
    public IOEventMask or(IOEventMask mask);

    public IOEventMask and(IOEventMask mask);
    
    public IOEventMask xor(IOEventMask mask);

    public IOEventMask inv();
    
    public static final IOEventMask ALL_EVENTS_MASK =
            new ImmutableIOEventMask() {
        public boolean isInterested(IOEvent ioEvent) {
            return true;
        }

        public IOEventMask or(IOEventMask mask) {
            return new ArrayIOEventMask(true);
        }

        public IOEventMask and(IOEventMask mask) {
            return new ArrayIOEventMask(mask);
        }

        public IOEventMask xor(IOEventMask mask) {
            return mask.inv();
        }

        public IOEventMask inv() {
            return new ArrayIOEventMask();
        }
    };
    
    public static final IOEventMask SERVER_EVENTS_MASK =
            ImmutableIOEventMask.getImmutable(
            new ArrayIOEventMask(IOEvent.SERVER_ACCEPT));

    public static final IOEventMask CLIENT_EVENTS_MASK =
            ImmutableIOEventMask.getImmutable(new ArrayIOEventMask(
            IOEvent.ACCEPTED, IOEvent.CONNECTED, IOEvent.READ, IOEvent.WRITE,
            IOEvent.CLOSED));
}