/[classpath]/classpath/java/nio/channels/FileChannel.java
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Diff of /classpath/java/nio/channels/FileChannel.java

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revision 1.3 by mark, Tue Apr 30 21:37:26 2002 UTC revision 1.4 by mkoch, Mon Nov 11 14:25:46 2002 UTC
# Line 37  exception statement from your version. * Line 37  exception statement from your version. *
37    
38  package java.nio.channels;  package java.nio.channels;
39    
40  import java.io.*;  import java.io.IOException;
41  import java.nio.*;  import java.nio.ByteBuffer;
42  import java.nio.channels.spi.*;  import java.nio.channels.spi.AbstractInterruptibleChannel;
43    
44  public abstract class FileChannel  extends AbstractInterruptibleChannel  public abstract class FileChannel extends AbstractInterruptibleChannel
45      implements ByteChannel, GatheringByteChannel, ScatteringByteChannel    implements ByteChannel, GatheringByteChannel, ScatteringByteChannel
46  {  {
47      public static class MapMode
48      {
49        public int m;
50    
51        public static MapMode READ_ONLY  = new MapMode(0);
52        public static MapMode READ_WRITE = new MapMode(1);
53        public static MapMode PRIVATE    = new MapMode(2);
54    
55      public int write(ByteBuffer[]  srcs) throws IOException      MapMode(int a)
56      {      {
57          long p = write(srcs, 0, srcs.length);        m = a;
         return (int) p;  
58      }      }
59    
60      public static class MapMode      public String toString()
61      {      {
62          public int m;        return ""+m;
   
         public static MapMode READ_ONLY  = new MapMode(0);  
         public static MapMode READ_WRITE = new MapMode(1);  
         public static MapMode PRIVATE    = new MapMode(2);  
   
         MapMode(int a)  
         {  
             m = a;  
         }  
   
         public String toString()  
         {  
             return ""+m;  
         }  
63      }      }
64      }
65    
66      public abstract MappedByteBuffer map(MapMode mode,    protected FileChannel()
67                                           long position,    {
68                                           int size)    }
69          throws IOException;  
70      public abstract MappedByteBuffer map(MapMode mode, long position, int size)
71      /**      throws IOException;
72       * Return the size of the file thus far  
73       */    /**
74      public abstract long size() throws IOException;     * Return the size of the file thus far
75      public abstract long write(ByteBuffer[] srcs, int offset, int length) throws IOException;     */
76      public abstract int read(ByteBuffer dst) throws IOException;    public abstract long size() throws IOException;
77      public abstract int write(ByteBuffer src) throws IOException;    public abstract long write(ByteBuffer[] srcs, int offset, int length)
78      protected abstract  void implCloseChannel()  throws IOException;      throws IOException;
79      public abstract int read(ByteBuffer dst) throws IOException;
80      protected abstract  void implCloseChannel()  throws IOException;
81    
82      /* msync with the disk */    /* msync with the disk */
83      public abstract  void force(boolean metaData);        public abstract void force(boolean metaData);    
84  }  }
   

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