Package org.h2.store.fs

Class FileChannelInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public class FileChannelInputStream
extends java.io.InputStream
    Allows to read from a file channel like an input stream.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.nio.ByteBuffer buffer  
      private java.nio.channels.FileChannel channel  
      private boolean closeChannel  
      private long pos  

    • Constructor Summary

      Constructors 
      Constructor Description
      FileChannelInputStream​(java.nio.channels.FileChannel channel, boolean closeChannel)
      Create a new file object input stream from the file channel.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      int read()  
      int read​(byte[] b)  
      int read​(byte[] b, int off, int len)  

      • Methods inherited from class java.io.InputStream

        available, mark, markSupported, nullInputStream, readAllBytes, readNBytes, readNBytes, reset, skip, transferTo

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • channel

        private final java.nio.channels.FileChannel channel

      • closeChannel

        private final boolean closeChannel

      • buffer

        private java.nio.ByteBuffer buffer

      • pos

        private long pos

    • Constructor Detail

      • FileChannelInputStream

        public FileChannelInputStream​(java.nio.channels.FileChannel channel,
                              boolean closeChannel)
        Create a new file object input stream from the file channel.
        Parameters:
        channel - the file channel
        closeChannel - whether closing the stream should close the channel

    • Method Detail

      • read

        public int read()
         throws java.io.IOException
        Specified by:
        read in class java.io.InputStream
        Throws:
        java.io.IOException

      • read

        public int read​(byte[] b)
         throws java.io.IOException
        Overrides:
        read in class java.io.InputStream
        Throws:
        java.io.IOException

      • read

        public int read​(byte[] b,
                int off,
                int len)
         throws java.io.IOException
        Overrides:
        read in class java.io.InputStream
        Throws:
        java.io.IOException

      • close

        public void close()
           throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.InputStream
        Throws:
        java.io.IOException