import sun.nio.ch.SelectionKeyImpl; //导入依赖的package包/类
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                  SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0))
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0))
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
 

import sun.nio.ch.SelectionKeyImpl; //导入依赖的package包/类
@Override
public void translateAndSetInterestOps(int ops, SelectionKeyImpl sk) {
    int newOps = 0;
    if ((ops & SelectionKey.OP_READ) != 0)
        newOps |= Net.POLLIN;
    if ((ops & SelectionKey.OP_WRITE) != 0)
        newOps |= Net.POLLOUT;
    sk.selector.putEventOps(sk, newOps);
}
 

import sun.nio.ch.SelectionKeyImpl; //导入依赖的package包/类
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
 

import sun.nio.ch.SelectionKeyImpl; //导入依赖的package包/类
@Override
public void translateAndSetInterestOps(int ops, SelectionKeyImpl sk) {
    int newOps = 0;

    /* Translate ops */
    if ((ops & SelectionKey.OP_ACCEPT) != 0)
        newOps |= Net.POLLIN;
    /* Place ops into pollfd array */
    sk.selector.putEventOps(sk, newOps);

}
 

import sun.nio.ch.SelectionKeyImpl; //导入依赖的package包/类
@Override
public void translateAndSetInterestOps(int ops, SelectionKeyImpl sk) {
    int newOps = 0;
    if ((ops & SelectionKey.OP_READ) != 0)
        newOps |= Net.POLLIN;
    if ((ops & SelectionKey.OP_WRITE) != 0)
        newOps |= Net.POLLOUT;
    if ((ops & SelectionKey.OP_CONNECT) != 0)
        newOps |= Net.POLLCONN;
    sk.selector.putEventOps(sk, newOps);
}