org.apache.commons.collections.functors
public class ConstantFactory extends Object implements Factory, Serializable
No check is made that the object is immutable. In general, only immutable objects should use the constant factory. Mutable objects should use the prototype factory.
Since: Commons Collections 3.0
Version: $Revision: 348444 $ $Date: 2005-11-23 14:06:56 +0000 (Wed, 23 Nov 2005) $
Field Summary | |
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static Factory | NULL_INSTANCE Returns null each time |
Constructor Summary | |
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ConstantFactory(Object constantToReturn)
Constructor that performs no validation.
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Method Summary | |
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Object | create()
Always return constant.
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Object | getConstant()
Gets the constant.
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static Factory | getInstance(Object constantToReturn)
Factory method that performs validation.
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getInstance
if you want that.
Parameters: constantToReturn the constant to return each time
Returns: the stored constant value
Returns: the constant
Since: Commons Collections 3.1
Parameters: constantToReturn the constant object to return each time in the factory
Returns: the constant
factory.