Package org.apache.derby.impl.io.vfmem

Class BlockedByteArrayOutputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable
    public class BlockedByteArrayOutputStream
extends java.io.OutputStream
    Output stream writing bytes into an underlying blocked byte array.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private long pos
      The current position of the stream.
      private BlockedByteArray src
      The underlying destination.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()
      Closes the stream.
      (package private) long getPosition()
      Returns the current position.
      (package private) void setPosition​(long newPos)
      Sets the position.
      void write​(byte[] buf, int offset, int len)
      Writes the specified bytes into the underlying blocked byte array.
      void write​(int b)
      Writes the single byte into the underlying blocked byte array.

      • Methods inherited from class java.io.OutputStream

        flush, nullOutputStream, write

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • src

        private BlockedByteArray src
        The underlying destination. Set to null when closed.

      • pos

        private long pos
        The current position of the stream.

    • Constructor Detail

      • BlockedByteArrayOutputStream

        public BlockedByteArrayOutputStream​(BlockedByteArray src,
                                    long pos)
        Creates a new stream writing data into the specified blocked byte array.
        Parameters:
        src - the underlying blocked byte array
        pos - the initial position of stream

    • Method Detail

      • setPosition

        void setPosition​(long newPos)
        Sets the position.
        Parameters:
        newPos - the new byte position

      • getPosition

        long getPosition()
        Returns the current position.
        Returns:
        The current byte position.

      • write

        public void write​(int b)
        Writes the single byte into the underlying blocked byte array.
        Specified by:
        write in class java.io.OutputStream
        Parameters:
        b - the byte to write

      • write

        public void write​(byte[] buf,
                  int offset,
                  int len)
        Writes the specified bytes into the underlying blocked byte array.
        Overrides:
        write in class java.io.OutputStream
        Parameters:
        buf - source byte array
        offset - index of the first byte to write
        len - the number of bytes to write

      • close

        public void close()
        Closes the stream.
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.OutputStream