Package org.terrier.utility.restructure

Class Terrier4

java.lang.Object
org.terrier.utility.restructure.Terrier4
public class Terrier4
extends java.lang.Object
This Class allows the updating of a Terrier 3.x index to the specification of Terrier 4.x index. The main difference between these versions from a structure perspective was that addition of pluggable compression within the IndexOnDisk.
Since:
4.0
Author:
Richard McCreadie

  • Field Summary

    Fields 
    Modifier and Type Field Description
    protected java.lang.String path  
    protected java.lang.String prefix  
    protected java.util.Properties properties  

  • Constructor Summary

    Constructors 
    Constructor Description
    Terrier4()
    Use this method when you wish to specify the properties object to rewrite
    Terrier4​(java.lang.String path, java.lang.String prefix)
    Use this method to load an index data.properties file and rewrite it

  • Method Summary

    Modifier and Type Method Description
    protected boolean loadProperties​(java.lang.String path, java.lang.String prefix)
    loads in the properties file, falling back to the Terrier 1.xx log file if no properties exist.
    static void main​(java.lang.String[] args)  
    void updateIndexProperties()  
    void updateIndexProperties​(java.util.Properties indexProperties)
    This method takes re-writes the index properties for a Terrier 3.x index to making compatible with Terrier 4.x

    Methods inherited from class java.lang.Object

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

  • Field Details

    • properties

      protected java.util.Properties properties

    • path

      protected java.lang.String path

    • prefix

      protected java.lang.String prefix

  • Constructor Details

    • Terrier4

      public Terrier4()
      Use this method when you wish to specify the properties object to rewrite

    • Terrier4

      public Terrier4​(java.lang.String path, java.lang.String prefix)
      Use this method to load an index data.properties file and rewrite it

  • Method Details

    • main

      public static void main​(java.lang.String[] args)

    • updateIndexProperties

      public void updateIndexProperties()

    • updateIndexProperties

      public void updateIndexProperties​(java.util.Properties indexProperties)
      This method takes re-writes the index properties for a Terrier 3.x index to making compatible with Terrier 4.x
      Parameters:
      indexProperties - properties object to alter

    • loadProperties

      protected boolean loadProperties​(java.lang.String path, java.lang.String prefix)
      loads in the properties file, falling back to the Terrier 1.xx log file if no properties exist.