Class IdAllocator

java.lang.Object
org.apache.tapestry5.ioc.util.IdAllocator

public final class IdAllocator extends Object
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 Details

    • IdAllocator

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

      public IdAllocator(String namespace)
      Creates a new allocator with the provided namespace.
  • Method Details

    • 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:
      clone in class Object
    • allocateId

      public String allocateId(String name)
      Allocates the id. Repeated calls for the same name will return "name", "name_0", "name_1", etc.
    • isAllocated

      public boolean isAllocated(String name)
      Checks to see if a given name has been allocated.
    • clear

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