Package org.h2.store.fs

Class FileBase

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable, java.nio.channels.ByteChannel, java.nio.channels.Channel, java.nio.channels.GatheringByteChannel, java.nio.channels.InterruptibleChannel, java.nio.channels.ReadableByteChannel, java.nio.channels.ScatteringByteChannel, java.nio.channels.SeekableByteChannel, java.nio.channels.WritableByteChannel
    Direct Known Subclasses:
    FileBaseDefault, FilePathCache.FileCache, FileRec, FileRetryOnInterrupt, FileZip
    public abstract class FileBase
extends java.nio.channels.FileChannel
    The base class for file implementations.

    • Nested Class Summary

      • Nested classes/interfaces inherited from class java.nio.channels.FileChannel

        java.nio.channels.FileChannel.MapMode

    • Constructor Summary

      Constructors 
      Constructor Description
      FileBase()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void force​(boolean metaData)  
      protected void implCloseChannel()  
      java.nio.channels.FileLock lock​(long position, long size, boolean shared)  
      java.nio.MappedByteBuffer map​(java.nio.channels.FileChannel.MapMode mode, long position, long size)  
      long read​(java.nio.ByteBuffer[] dsts, int offset, int length)  
      int read​(java.nio.ByteBuffer dst, long position)  
      long transferFrom​(java.nio.channels.ReadableByteChannel src, long position, long count)  
      long transferTo​(long position, long count, java.nio.channels.WritableByteChannel target)  
      java.nio.channels.FileLock tryLock​(long position, long size, boolean shared)  
      long write​(java.nio.ByteBuffer[] srcs, int offset, int length)  
      int write​(java.nio.ByteBuffer src, long position)  

      • Methods inherited from class java.nio.channels.FileChannel

        lock, open, open, position, position, read, read, size, truncate, tryLock, write, write

      • Methods inherited from class java.nio.channels.spi.AbstractInterruptibleChannel

        begin, close, end, isOpen

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

      • Methods inherited from interface java.nio.channels.Channel

        isOpen

    • Constructor Detail

      • FileBase

        public FileBase()

    • Method Detail

      • read

        public int read​(java.nio.ByteBuffer dst,
                long position)
         throws java.io.IOException
        Specified by:
        read in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • write

        public int write​(java.nio.ByteBuffer src,
                 long position)
          throws java.io.IOException
        Specified by:
        write in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • force

        public void force​(boolean metaData)
           throws java.io.IOException
        Specified by:
        force in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • implCloseChannel

        protected void implCloseChannel()
                         throws java.io.IOException
        Specified by:
        implCloseChannel in class java.nio.channels.spi.AbstractInterruptibleChannel
        Throws:
        java.io.IOException

      • lock

        public java.nio.channels.FileLock lock​(long position,
                                       long size,
                                       boolean shared)
                                throws java.io.IOException
        Specified by:
        lock in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • map

        public java.nio.MappedByteBuffer map​(java.nio.channels.FileChannel.MapMode mode,
                                     long position,
                                     long size)
                              throws java.io.IOException
        Specified by:
        map in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • read

        public long read​(java.nio.ByteBuffer[] dsts,
                 int offset,
                 int length)
          throws java.io.IOException
        Specified by:
        read in interface java.nio.channels.ScatteringByteChannel
        Specified by:
        read in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • transferFrom

        public long transferFrom​(java.nio.channels.ReadableByteChannel src,
                         long position,
                         long count)
                  throws java.io.IOException
        Specified by:
        transferFrom in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • transferTo

        public long transferTo​(long position,
                       long count,
                       java.nio.channels.WritableByteChannel target)
                throws java.io.IOException
        Specified by:
        transferTo in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • tryLock

        public java.nio.channels.FileLock tryLock​(long position,
                                          long size,
                                          boolean shared)
                                   throws java.io.IOException
        Specified by:
        tryLock in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException

      • write

        public long write​(java.nio.ByteBuffer[] srcs,
                  int offset,
                  int length)
           throws java.io.IOException
        Specified by:
        write in interface java.nio.channels.GatheringByteChannel
        Specified by:
        write in class java.nio.channels.FileChannel
        Throws:
        java.io.IOException