Class ClassReflectionHelperImpl

java.lang.Object

org.glassfish.hk2.utilities.reflection.internal.ClassReflectionHelperImpl

All Implemented Interfaces:

ClassReflectionHelper

public class ClassReflectionHelperImpl
extends Object
implements ClassReflectionHelper

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	ClassReflectionHelperImpl.LifecycleKey

Field Summary

Fields

Modifier and Type	Field	Description
private final LRUHybridCache<Class<?>, Set<Field>>	fieldCache
private final int	MAX_CACHE_SIZE
private final LRUHybridCache<Class<?>, Set<MethodWrapper>>	methodCache
private final LRUHybridCache<ClassReflectionHelperImpl.LifecycleKey, Method>	postConstructCache
private final LRUHybridCache<ClassReflectionHelperImpl.LifecycleKey, Method>	preDestroyCache

Constructor Summary

Constructors

Constructor	Description
ClassReflectionHelperImpl()

Method Summary

Modifier and Type	Method	Description
void	clean(Class<?> clazz)	Removes this class (and all appropriate sub-classes) from the cache
MethodWrapper	createMethodWrapper(Method m)	Creates a method wrapper from the given method
void	dispose()	Releases the entire cache, though the ClassReflectionHelper is still usable after calling dispose
Method	findPostConstruct(Class<?> clazz, Class<?> matchingClass)	Finds the postConstruct method on this class
Method	findPreDestroy(Class<?> clazz, Class<?> matchingClass)	Finds the preDestroy method on this class
Set<Field>	getAllFields(Class<?> clazz)	Gets all fields for a class (taking class heirarchy into account)
Set<MethodWrapper>	getAllMethods(Class<?> clazz)	Gets all methods for a class (taking class heirarchy into account)
private Method	getPostConstructMethod(Class<?> clazz, Class<?> matchingClass)
private Method	getPreDestroyMethod(Class<?> clazz, Class<?> matchingClass)
int	size()	Returns an approximation of the current size of the cache
String	toString()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

MAX_CACHE_SIZE

private final int MAX_CACHE_SIZE

See Also:

• Constant Field Values

postConstructCache

private final LRUHybridCache<ClassReflectionHelperImpl.LifecycleKey, Method> postConstructCache

preDestroyCache

private final LRUHybridCache<ClassReflectionHelperImpl.LifecycleKey, Method> preDestroyCache

methodCache

private final LRUHybridCache<Class<?>, Set<MethodWrapper>> methodCache

fieldCache

private final LRUHybridCache<Class<?>, Set<Field>> fieldCache

Constructor Details

ClassReflectionHelperImpl

public ClassReflectionHelperImpl()

Method Details

getAllMethods

public Set<MethodWrapper> getAllMethods(Class<?> clazz)

Description copied from interface: ClassReflectionHelper

Gets all methods for a class (taking class heirarchy into account)

Specified by:

getAllMethods in interface ClassReflectionHelper

Parameters:

clazz - The class to analyze for all methods

Returns:

The set of all methods on this class (and all subclasses)

getAllFields

public Set<Field> getAllFields(Class<?> clazz)

Description copied from interface: ClassReflectionHelper

Gets all fields for a class (taking class heirarchy into account)

Specified by:

getAllFields in interface ClassReflectionHelper

Parameters:

clazz - The class to analyze for all fields

Returns:

The set of all fields on this class (and all subclasses)

findPostConstruct

public Method findPostConstruct(Class<?> clazz,
 Class<?> matchingClass)
                         throws IllegalArgumentException

Description copied from interface: ClassReflectionHelper

Finds the postConstruct method on this class

Specified by:

findPostConstruct in interface ClassReflectionHelper

Parameters:

clazz - The class to check for the postConstruct method

matchingClass - The PostConstruct interface, a small performance improvement

Returns:

A matching method, or null if none can be found

Throws:

IllegalArgumentException - If a method marked as postConstruct is invalid

findPreDestroy

public Method findPreDestroy(Class<?> clazz,
 Class<?> matchingClass)
                      throws IllegalArgumentException

Description copied from interface: ClassReflectionHelper

Finds the preDestroy method on this class

Specified by:

findPreDestroy in interface ClassReflectionHelper

Parameters:

clazz - The class to check for the postConstruct method

matchingClass - The PostConstruct interface, a small performance improvement

Returns:

A matching method, or null if none can be found

Throws:

IllegalArgumentException - If a method marked as postConstruct is invalid

clean

public void clean(Class<?> clazz)

Description copied from interface: ClassReflectionHelper

Removes this class (and all appropriate sub-classes) from the cache

Specified by:

clean in interface ClassReflectionHelper

Parameters:

clazz - The class to remove. If null this method does nothing

createMethodWrapper

public MethodWrapper createMethodWrapper(Method m)

Description copied from interface: ClassReflectionHelper

Creates a method wrapper from the given method

Specified by:

createMethodWrapper in interface ClassReflectionHelper

Parameters:

m - A non-null method to create a wrapper from

Returns:

A method wrapper

dispose

public void dispose()

Description copied from interface: ClassReflectionHelper

Releases the entire cache, though the ClassReflectionHelper is still usable after calling dispose

Specified by:

dispose in interface ClassReflectionHelper

size

public int size()

Description copied from interface: ClassReflectionHelper

Returns an approximation of the current size of the cache

Specified by:

size in interface ClassReflectionHelper

Returns:

An approximation of the current size of the cache

getPostConstructMethod

private Method getPostConstructMethod(Class<?> clazz,
 Class<?> matchingClass)

getPreDestroyMethod

private Method getPreDestroyMethod(Class<?> clazz,
 Class<?> matchingClass)

toString

public String toString()

Overrides:

toString in class Object