Package alluxio.underfs.kodo

Class KodoOutputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable
    @NotThreadSafe
public class KodoOutputStream
extends java.io.OutputStream
    A stream for writing a file into Qiniu. The data will be persisted to a temporary directory on the local disk and copied as a complete file when the close() method is called.

    • Constructor Summary

      Constructors 
      Constructor Description
      KodoOutputStream​(java.lang.String key, KodoClient kodoClient, java.util.List<java.lang.String> tmpDirs)
      Creates a name instance of KodoOutputStream.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()
      Closes this output stream.
      void flush()  
      void write​(byte[] b)  
      void write​(byte[] b, int off, int len)  
      void write​(int b)  

      • Methods inherited from class java.io.OutputStream

        nullOutputStream

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • KodoOutputStream

        public KodoOutputStream​(java.lang.String key,
                        KodoClient kodoClient,
                        java.util.List<java.lang.String> tmpDirs)
                 throws java.io.IOException
        Creates a name instance of KodoOutputStream.
        Parameters:
        key - the key of the file
        kodoClient - the client for Kodo
        tmpDirs - a list of temporary directories
        Throws:
        java.io.IOException

    • Method Detail

      • write

        public void write​(int b)
           throws java.io.IOException
        Specified by:
        write in class java.io.OutputStream
        Throws:
        java.io.IOException

      • write

        public void write​(byte[] b)
           throws java.io.IOException
        Overrides:
        write in class java.io.OutputStream
        Throws:
        java.io.IOException

      • write

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

      • flush

        public void flush()
           throws java.io.IOException
        Specified by:
        flush in interface java.io.Flushable
        Overrides:
        flush in class java.io.OutputStream
        Throws:
        java.io.IOException

      • close

        public void close()
        Closes this output stream. When an output stream is closed, the local temporary file is uploaded to KODO Service. Once the file is uploaded, the temporary file is deleted.
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.OutputStream