Java Doc for TransformerMap.java in  » Science » Apache-commons-math-1.1 » org » apache » commons » math » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Science » Apache commons math 1.1 » org.apache.commons.math.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.commons.math.util.TransformerMap TransformerMap public class TransformerMap implements NumberTransformer,Serializable(Code) This TansformerMap automates the transformation of of mixed object types. It provides a means to set NumberTransformers that will be selected based on the Class of the object handed to the Maps double transform(Object o) method. version:    $Revision: 348519 $ $Date: 2005-11-23 12:12:18 -0700 (Wed, 23 Nov 2005) $ Constructor Summary public   TransformerMap()      Method Summary public  Set classes()      Returns the Set of Classes used as keys in the map. public  void clear()      Clears all the Class to Transformer mappings. public  boolean containsClass(Class key)      Tests if a Class is present in the TransformerMap. public  boolean containsTransformer(NumberTransformer value)      Tests if a NumberTransformer is present in the TransformerMap. public  NumberTransformer getTransformer(Class key)      Returns the Transformer that is mapped to a class if mapping is not present, this returns null. public  Object putTransformer(Class key, NumberTransformer transformer)      Sets a Class to Transformer Mapping in the Map. public  Object removeTransformer(Class key)      Removes a Class to Transformer Mapping in the Map. public  double transform(Object o)      Attempts to transform the Object against the map of NumberTransformers. public  Collection transformers()      Returns the Set of NumberTransformers used as values in the map. Constructor Detail TransformerMap public TransformerMap()(Code) Method Detail classes public Set classes()(Code) Returns the Set of Classes used as keys in the map. Set of Classes clear public void clear()(Code) Clears all the Class to Transformer mappings. containsClass public boolean containsClass(Class key)(Code) Tests if a Class is present in the TransformerMap. Parameters:   key - Class to check true|false containsTransformer public boolean containsTransformer(NumberTransformer value)(Code) Tests if a NumberTransformer is present in the TransformerMap. Parameters:   value - NumberTransformer to check true|false getTransformer public NumberTransformer getTransformer(Class key)(Code) Returns the Transformer that is mapped to a class if mapping is not present, this returns null. Parameters:   key - The Class of the object the mapped NumberTransformer or null. putTransformer public Object putTransformer(Class key, NumberTransformer transformer)(Code) Sets a Class to Transformer Mapping in the Map. If the Class is already present, this overwrites that mapping. Parameters:   key - The Class Parameters:   transformer - The NumberTransformer the replaced transformer if one is present removeTransformer public Object removeTransformer(Class key)(Code) Removes a Class to Transformer Mapping in the Map. Parameters:   key - The Class the removed transformer if one is present ornull if none was present. transform public double transform(Object o) throws MathException(Code) Attempts to transform the Object against the map of NumberTransformers. Otherwise it returns Double.NaN. See Also:   org.apache.commons.math.util.NumberTransformer.transform(java.lang.Object) transformers public Collection transformers()(Code) Returns the Set of NumberTransformers used as values in the map. Set of NumberTransformers Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)