Package org.apache.bookkeeper.streaming

Class LedgerOutputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable
    public class LedgerOutputStream
extends java.io.OutputStream
    this class provides a streaming api to get an output stream from a ledger handle and write to it as a stream of bytes. This is built on top of ledgerhandle api and uses a buffer to cache the data written to it and writes out the entry to the ledger.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      (package private) byte[] bbytes  
      (package private) int defaultSize  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      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

    • Field Detail

      • bbytes

        byte[] bbytes

      • defaultSize

        int defaultSize

    • Constructor Detail

      • LedgerOutputStream

        public LedgerOutputStream​(LedgerHandle lh)
        construct a outputstream from a ledger handle.
        Parameters:
        lh - ledger handle

      • LedgerOutputStream

        public LedgerOutputStream​(LedgerHandle lh,
                          int size)
        construct a outputstream from a ledger handle.
        Parameters:
        lh - the ledger handle
        size - the size of the buffer

    • Method Detail

      • close

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

      • flush

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

      • write

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

      • write

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

      • write

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