Package org.apache.tapestry5.ioc.util
Class IdAllocator
- java.lang.Object
-
- org.apache.tapestry5.ioc.util.IdAllocator
-
public final class IdAllocator extends java.lang.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 Summary
Constructors Constructor Description IdAllocator()Creates a new allocator with no namespace.IdAllocator(java.lang.String namespace)Creates a new allocator with the provided namespace.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.StringallocateId(java.lang.String name)Allocates the id.voidclear()Clears the allocator, resetting it to freshly allocated state.IdAllocatorclone()Creates a clone of this IdAllocator instance, copying the allocator's namespace and key map.java.util.List<java.lang.String>getAllocatedIds()Returns a list of all allocated ids, sorted alphabetically.booleanisAllocated(java.lang.String name)Checks to see if a given name has been allocated.
-
-
-
Constructor Detail
-
IdAllocator
public IdAllocator()
Creates a new allocator with no namespace.
-
IdAllocator
public IdAllocator(java.lang.String namespace)
Creates a new allocator with the provided namespace.
-
-
Method Detail
-
getAllocatedIds
public java.util.List<java.lang.String> 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:
clonein classjava.lang.Object
-
allocateId
public java.lang.String allocateId(java.lang.String name)
Allocates the id. Repeated calls for the same name will return "name", "name_0", "name_1", etc.
-
isAllocated
public boolean isAllocated(java.lang.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.
-
-