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11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
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24  */
25 
26 package sun.nio.ch;
27 
28 import java.nio.channels.Channel;
29 import java.io.FileDescriptor;
30 import java.io.IOException;
31 
32 
33 /**
34  * An interface that allows translation (and more!).
35  *
36  * @since 1.4
37  */
38 
39 public interface SelChImpl extends Channel {
40 
getFD()41     FileDescriptor getFD();
42 
getFDVal()43     int getFDVal();
44 
45     /**
46      * Adds the specified ops if present in interestOps. The specified
47      * ops are turned on without affecting the other ops.
48      *
49      * @return  true iff the new value of sk.readyOps() set by this method
50      *          contains at least one bit that the previous value did not
51      *          contain
52      */
translateAndUpdateReadyOps(int ops, SelectionKeyImpl sk)53     public boolean translateAndUpdateReadyOps(int ops, SelectionKeyImpl sk);
54 
55     /**
56      * Sets the specified ops if present in interestOps. The specified
57      * ops are turned on, and all other ops are turned off.
58      *
59      * @return  true iff the new value of sk.readyOps() set by this method
60      *          contains at least one bit that the previous value did not
61      *          contain
62      */
translateAndSetReadyOps(int ops, SelectionKeyImpl sk)63     public boolean translateAndSetReadyOps(int ops, SelectionKeyImpl sk);
64 
translateAndSetInterestOps(int ops, SelectionKeyImpl sk)65     void translateAndSetInterestOps(int ops, SelectionKeyImpl sk);
66 
validOps()67     int validOps();
68 
kill()69     void kill() throws IOException;
70 
71 }
72