com.thoughtworks.paranamer
Class CachingParanamer

java.lang.Object
  extended by com.thoughtworks.paranamer.CachingParanamer
All Implemented Interfaces:
Paranamer

public class CachingParanamer
extends Object
implements Paranamer

Implementation of Paranamer which delegate to another Paranamer implementation, adding caching functionality to speed up usage.

Author:
Paul Hammant, Mauro Talevi

Field Summary
static String __PARANAMER_DATA
           
 
Fields inherited from interface com.thoughtworks.paranamer.Paranamer
EMPTY_NAMES
 
Constructor Summary
CachingParanamer()
          Uses a DefaultParanamer as the implementation it delegates to.
CachingParanamer(Paranamer delegate)
          Specify a Paranamer instance to delegates to.
 
Method Summary
 String[] lookupParameterNames(AccessibleObject methodOrConstructor)
          Lookup the parameter names of a given method.
 String[] lookupParameterNames(AccessibleObject methodOrCtor, boolean throwExceptionIfMissing)
          Lookup the parameter names of a given method.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

__PARANAMER_DATA

public static final String __PARANAMER_DATA
See Also:
Constant Field Values
Constructor Detail

CachingParanamer

public CachingParanamer()
Uses a DefaultParanamer as the implementation it delegates to.


CachingParanamer

public CachingParanamer(Paranamer delegate)
Specify a Paranamer instance to delegates to.

Parameters:
delegate - the paranamer instance to use
Method Detail

lookupParameterNames

public String[] lookupParameterNames(AccessibleObject methodOrConstructor)
Description copied from interface: Paranamer
Lookup the parameter names of a given method.

Specified by:
lookupParameterNames in interface Paranamer
Parameters:
methodOrConstructor - the Method or Constructor for which the parameter names are looked up.
Returns:
A list of the parameter names.

lookupParameterNames

public String[] lookupParameterNames(AccessibleObject methodOrCtor,
                                     boolean throwExceptionIfMissing)
Description copied from interface: Paranamer
Lookup the parameter names of a given method.

Specified by:
lookupParameterNames in interface Paranamer
Parameters:
methodOrCtor - the Method or Constructor for which the parameter names are looked up.
throwExceptionIfMissing - whether to throw an exception if no Paranamer data found (versus return null).
Returns:
A list of the parameter names.


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