Package org.apache.iotdb.db.wal.io

Class WALByteBufReader

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public class WALByteBufReader
extends java.lang.Object
implements java.io.Closeable
    This reader returns WALEntry as ByteBuffer, the usage of WALByteBufReader is like Iterator.

    • Constructor Summary

      Constructors 
      Constructor Description
      WALByteBufReader​(java.io.File logFile)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      long getFirstSearchIndex()  
      boolean hasNext()
      Like Iterator.hasNext()
      java.nio.ByteBuffer next()
      Like Iterator.next()

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • WALByteBufReader

        public WALByteBufReader​(java.io.File logFile)
                 throws java.io.IOException
        Throws:
        java.io.IOException

    • Method Detail

      • hasNext

        public boolean hasNext()
        Like Iterator.hasNext()

      • next

        public java.nio.ByteBuffer next()
                         throws java.io.IOException
        Like Iterator.next()
        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
        Throws:
        java.io.IOException

      • getFirstSearchIndex

        public long getFirstSearchIndex()