Package nltk :: Package parse :: Module chart :: Class CachedTopDownInitRule

Class CachedTopDownInitRule

       object --+        
                |        
AbstractChartRule --+    
                    |    
      TopDownInitRule --+
                        |
                       CachedTopDownInitRule

A cached version of TopDownInitRule. After the first time this rule is applied, it will not generate any more edges.

If chart or grammar are changed, then the cache is flushed.

Instance Methods

[hide private]

__init__(self)
x.__init__(...) initializes x; see x.__class__.__doc__ for signature

source code

apply_iter(self, chart, grammar)

source code

__str__(self)
str(x)

source code

Inherited from AbstractChartRule: apply, apply_everywhere, apply_everywhere_iter

Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__

Class Variables

[hide private]

Inherited from TopDownInitRule: NUM_EDGES

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

init(self)
(Constructor)

source code

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

Overrides: object.__init__: (inherited documentation)

apply_iter(self, chart, grammar)

source code

Overrides: TopDownInitRule.apply_iter

str(self)
(Informal representation operator)

source code

str(x)

Overrides: AbstractChartRule.__str__

Class CachedTopDownInitRule

__init__(self) (Constructor)

apply_iter(self, chart, grammar)

__str__(self) (Informal representation operator)

init(self)
(Constructor)

str(self)
(Informal representation operator)