Class Tailer.RandomAccessFileBridge

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.io.RandomAccessFile randomAccessFile  
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private RandomAccessFileBridge​(java.io.File file, java.lang.String mode)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      long getPointer()
      Gets the current offset in this tailable.
      int read​(byte[] b)
      Reads up to b.length bytes of data from this tailable into an array of bytes.
      void seek​(long position)
      Sets the file-pointer offset, measured from the beginning of this tailable, at which the next read or write occurs.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • randomAccessFile

        private final java.io.RandomAccessFile randomAccessFile
    • Constructor Detail

      • RandomAccessFileBridge

        private RandomAccessFileBridge​(java.io.File file,
                                       java.lang.String mode)
                                throws java.io.FileNotFoundException
        Throws:
        java.io.FileNotFoundException
    • Method Detail

      • close

        public void close()
                   throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Throws:
        java.io.IOException
      • getPointer

        public long getPointer()
                        throws java.io.IOException
        Description copied from interface: Tailer.RandomAccessResourceBridge
        Gets the current offset in this tailable.
        Specified by:
        getPointer in interface Tailer.RandomAccessResourceBridge
        Returns:
        the offset from the beginning of the tailable, in bytes, at which the next read or write occurs.
        Throws:
        java.io.IOException - if an I/O error occurs.
      • read

        public int read​(byte[] b)
                 throws java.io.IOException
        Description copied from interface: Tailer.RandomAccessResourceBridge
        Reads up to b.length bytes of data from this tailable into an array of bytes. This method blocks until at least one byte of input is available.
        Specified by:
        read in interface Tailer.RandomAccessResourceBridge
        Parameters:
        b - the buffer into which the data is read.
        Returns:
        the total number of bytes read into the buffer, or -1 if there is no more data because the end of this tailable has been reached.
        Throws:
        java.io.IOException - If the first byte cannot be read for any reason other than end of tailable, or if the random access tailable has been closed, or if some other I/O error occurs.
      • seek

        public void seek​(long position)
                  throws java.io.IOException
        Description copied from interface: Tailer.RandomAccessResourceBridge
        Sets the file-pointer offset, measured from the beginning of this tailable, at which the next read or write occurs. The offset may be set beyond the end of the tailable. Setting the offset beyond the end of the tailable does not change the tailable length. The tailable length will change only by writing after the offset has been set beyond the end of the tailable.
        Specified by:
        seek in interface Tailer.RandomAccessResourceBridge
        Parameters:
        position - the offset position, measured in bytes from the beginning of the tailable, at which to set the tailable pointer.
        Throws:
        java.io.IOException - if pos is less than 0 or if an I/O error occurs.