Package io.nosqlbench.virtdata.library.basics.shared.from_long.to_string

Class HashedFileExtractToString

java.lang.Object
io.nosqlbench.virtdata.library.basics.shared.from_long.to_string.HashedFileExtractToString
All Implemented Interfaces:
java.util.function.LongFunction<java.lang.String>
public class HashedFileExtractToString
extends java.lang.Object
implements java.util.function.LongFunction<java.lang.String>
Pseudo-randomly extract a section of a text file and return it according to some minimum and maximum extract size. The file is loaded into memory as a shared text image. It is then indexed into as a character buffer to find a pseudo-randomly sized fragment.

  • Constructor Summary

    Constructors
    Constructor Description
    HashedFileExtractToString​(java.lang.String filename, int minsize, int maxsize)  
    HashedFileExtractToString​(java.lang.String filename, java.lang.Object sizefunc)
    Provide a size function for the fragment to be extracted.

  • Method Summary

    Modifier and Type Method Description
    java.lang.String apply​(long input)  
    java.lang.String toString()  

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • HashedFileExtractToString

      public HashedFileExtractToString​(java.lang.String filename, int minsize, int maxsize)

    • HashedFileExtractToString

      public HashedFileExtractToString​(java.lang.String filename, java.lang.Object sizefunc)
      Provide a size function for the fragment to be extracted. In this form, if the size function specifies a string size which is larger than the text image, it is truncated via modulo to fall within the text image size.
      Parameters:
      filename - The file name to be loaded
      sizefunc - A function which determines the size of the data to be loaded.

  • Method Details

    • apply

      public java.lang.String apply​(long input)
      Specified by:
      apply in interface java.util.function.LongFunction<java.lang.String>

    • toString

      public java.lang.String toString()
      Overrides:
      toString in class java.lang.Object