Package org.apache.commons.collections
Interface Closure
- All Known Implementing Classes:
ChainedClosure,ExceptionClosure,ForClosure,IfClosure,NOPClosure,SwitchClosure,TransformerClosure,WhileClosure
public interface Closure
Defines a functor interface implemented by classes that do something.
A Closure represents a block of code which is executed from
inside some block, function or iteration. It operates an input object.
Standard implementations of common closures are provided by
ClosureUtils. These include method invokation and for/while loops.
- Since:
- Commons Collections 1.0
- Version:
- $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
- Author:
- James Strachan, Nicola Ken Barozzi, Stephen Colebourne
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Method Summary
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Method Details
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execute
Performs an action on the specified input object.- Parameters:
input- the input to execute on- Throws:
ClassCastException- (runtime) if the input is the wrong classIllegalArgumentException- (runtime) if the input is invalidFunctorException- (runtime) if any other error occurs
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