Package com.yahoo.prelude.query.parser

Class SpecialTokenRegistry

  • public class SpecialTokenRegistry
extends java.lang.Object
    A registry which is responsible for knowing the current set of special tokens. The default registry returns empty token lists for all names. Usage of this registry is multithread safe.
    Author:
    bratseth

    • Constructor Summary

      Constructors 
      Constructor Description
      SpecialTokenRegistry()
      Creates an empty special token registry which does not subscribe to any configuration
      SpecialTokenRegistry​(com.yahoo.vespa.configdefinition.SpecialtokensConfig config)
      Create a special token registry from a configuration object.
      SpecialTokenRegistry​(java.lang.String configId)
      Create a special token registry which subscribes to the specialtokens configuration.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addSpecialTokens​(SpecialTokens specialTokens)
      Adds a SpecialTokens instance to the registry.
      SpecialTokens getSpecialTokens​(java.lang.String name)
      Returns the currently authorative list of special tokens for a given name.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • SpecialTokenRegistry

        public SpecialTokenRegistry()
        Creates an empty special token registry which does not subscribe to any configuration

      • SpecialTokenRegistry

        public SpecialTokenRegistry​(java.lang.String configId)
        Create a special token registry which subscribes to the specialtokens configuration. Only used for testing.

      • SpecialTokenRegistry

        public SpecialTokenRegistry​(com.yahoo.vespa.configdefinition.SpecialtokensConfig config)
        Create a special token registry from a configuration object. This is the production code path.

    • Method Detail

      • addSpecialTokens

        public void addSpecialTokens​(SpecialTokens specialTokens)
        Adds a SpecialTokens instance to the registry. That is, add the tokens contained for the name of the SpecialTokens instance given.
        Parameters:
        specialTokens - the SpecialTokens object to add

      • getSpecialTokens

        public SpecialTokens getSpecialTokens​(java.lang.String name)
        Returns the currently authorative list of special tokens for a given name.
        Parameters:
        name - the name of the special tokens to return null, the empth string or the string "default" returns the default ones
        Returns:
        a read-only list of SpecialToken instances, an empty list if this name has no special tokens