org.aksw.commons.util.reflect
Class MultiMethod

java.lang.Object
  org.aksw.commons.util.reflect.MultiMethod

public class MultiMethod
extends Object

Constructor Summary

MultiMethod()

Method Summary

static <T> Method	findInvocationMethod(Class<T> clazz, Class<?> returnType, Class<?>... args) Find the best matching methods for the given types.
static <T> Method	findInvocationMethod(Class<T> clazz, String name, Object... args) Deprecated.
static <T> Method	findMethodByArgs(Class<T> clazz, String name, Object... args)
static <T> Method	findMethodByParams(Class<T> clazz, String name, Class<?>... typeSignature)
static <T> Method	findMethodByParamsCached(Class<T> clazz, String name, List<Class<?>> typeSignature) Errors on lookup (such as no or multiple candidates) ar not cached in will result in new lookups.
static <T> Map<Method,Integer[]>	findMethodCandidates(Class<T> clazz, String name, Class<?>... typeSignature)
static <X> X	invoke(Object o, String name, Object... args)
static <T,X> X	invokeStatic(Class<T> clazz, String name, Object... args) Invoke the method of an object, that matches the name and arguments best.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiMethod

public MultiMethod()

Method Detail

invokeStatic

public static <T,X> X invokeStatic(Class<T> clazz,
                                   String name,
                                   Object... args)

Invoke the method of an object, that matches the name and arguments best. TODO Add some caching mechanism

Type Parameters:

T -

Parameters:

clazz -

name -

args -

Throws:

InvocationTargetException

IllegalAccessException

IllegalArgumentException

invoke

public static <X> X invoke(Object o,
                           String name,
                           Object... args)

findMethodCandidates

public static <T> Map<Method,Integer[]> findMethodCandidates(Class<T> clazz,
                                                             String name,
                                                             Class<?>... typeSignature)

findMethodByParamsCached

public static <T> Method findMethodByParamsCached(Class<T> clazz,
                                                  String name,
                                                  List<Class<?>> typeSignature)

Errors on lookup (such as no or multiple candidates) ar not cached in will result in new lookups.

Type Parameters:

T -

Parameters:

clazz -

name -

typeSignature -

Returns:

findMethodByParams

public static <T> Method findMethodByParams(Class<T> clazz,
                                            String name,
                                            Class<?>... typeSignature)

findInvocationMethod

@Deprecated
public static <T> Method findInvocationMethod(Class<T> clazz,
                                                         String name,
                                                         Object... args)

Deprecated.

findMethodByArgs

public static <T> Method findMethodByArgs(Class<T> clazz,
                                          String name,
                                          Object... args)

findInvocationMethod

public static <T> Method findInvocationMethod(Class<T> clazz,
                                              Class<?> returnType,
                                              Class<?>... args)

Find the best matching methods for the given types. Used for casts

Type Parameters:

T -

Parameters:

clazz -

returnType -

args -

Returns: