Package org.apache.tapestry5.ioc.util

Class IdAllocator

  • public final class IdAllocator
extends
    Used to "uniquify" names within a given context. A base name is passed in, and the return value is the base name, or the base name extended with a suffix to make it unique. This class is not threadsafe.

    • Constructor Summary

      Constructors 
      Constructor Description
      IdAllocator()
      Creates a new allocator with no namespace.
       namespace)
      Creates a new allocator with the provided namespace.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
       name)
      Allocates the id.
      void clear()
      Clears the allocator, resetting it to freshly allocated state.
      IdAllocator clone()
      Creates a clone of this IdAllocator instance, copying the allocator's namespace and key map.
      <> getAllocatedIds()
      Returns a list of all allocated ids, sorted alphabetically.
      boolean  name)
      Checks to see if a given name has been allocated.

      • Methods inherited from class java.lang.

        , , , , , , , , ,

    • Constructor Detail

      • IdAllocator

        public IdAllocator()
        Creates a new allocator with no namespace.

      • IdAllocator

        public  namespace)
        Creates a new allocator with the provided namespace.

    • Method Detail

      • getAllocatedIds

        public <> getAllocatedIds()
        Returns a list of all allocated ids, sorted alphabetically.

      • clone

        public IdAllocator clone()
        Creates a clone of this IdAllocator instance, copying the allocator's namespace and key map.
        Overrides:
         in class 

      • allocateId

        public   name)
        Allocates the id. Repeated calls for the same name will return "name", "name_0", "name_1", etc.

      • isAllocated

        public boolean  name)
        Checks to see if a given name has been allocated.

      • clear

        public void clear()
        Clears the allocator, resetting it to freshly allocated state.