Package org.optaplanner.core.impl.domain.common

Class ReflectionHelper

java.lang.Object

org.optaplanner.core.impl.domain.common.ReflectionHelper

public final class ReflectionHelper
extends Object

Avoids the usage of Introspector to work on Android too.

Method Summary

Modifier and Type	Method	Description
static void	assertGetterMethod(Method getterMethod, Class<? extends Annotation> annotationClass)
static void	assertReadMethod(Method readMethod, Class<? extends Annotation> annotationClass)
static Field	getField(Class<?> containingClass, String fieldName)
static Method	getGetterMethod(Class<?> containingClass, String propertyName)
static String	getGetterPropertyName(Member member)	Returns the JavaBeans property name of the given member.
static Method	getSetterMethod(Class<?> containingClass, Class<?> propertyType, String propertyName)
static Method	getSetterMethod(Class<?> containingClass, String propertyName)
static boolean	hasField(Class<?> containingClass, String fieldName)
static boolean	hasGetterMethod(Class<?> containingClass, String propertyName)
static boolean	isGetterMethod(Method method)	Checks whether the given method is a valid getter method according to the JavaBeans standard.
static boolean	isList(Type type)
static boolean	isMap(Type type)
static boolean	isMethodOverwritten(Method parentMethod, Class<?> childClass)
static List<Object>	transformArrayToList(Object arrayObject)

Methods inherited from class java.lang.Object

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

Method Details

getGetterPropertyName

public static String getGetterPropertyName(Member member)

Returns the JavaBeans property name of the given member.

Parameters:

member - never null

Returns:

null if the member is neither a field nor a getter method according to the JavaBeans standard

isGetterMethod

public static boolean isGetterMethod(Method method)

Checks whether the given method is a valid getter method according to the JavaBeans standard.

Parameters:

method - never null

Returns:

true if the given method is a getter method

hasGetterMethod

public static boolean hasGetterMethod(Class<?> containingClass,
 String propertyName)

Parameters:

containingClass - never null

propertyName - never null

Returns:

true if that getter exists

getGetterMethod

public static Method getGetterMethod(Class<?> containingClass,
 String propertyName)

Parameters:

containingClass - never null

propertyName - never null

Returns:

sometimes null

hasField

public static boolean hasField(Class<?> containingClass,
 String fieldName)

Parameters:

containingClass - never null

fieldName - never null

Returns:

true if that field exists

getField

public static Field getField(Class<?> containingClass,
 String fieldName)

Parameters:

containingClass - never null

fieldName - never null

Returns:

sometimes null

getSetterMethod

public static Method getSetterMethod(Class<?> containingClass,
 Class<?> propertyType,
 String propertyName)

Parameters:

containingClass - never null

propertyType - never null

propertyName - never null

Returns:

null if it doesn't exist

getSetterMethod

public static Method getSetterMethod(Class<?> containingClass,
 String propertyName)

Parameters:

containingClass - never null

propertyName - never null

Returns:

null if it doesn't exist

isMethodOverwritten

public static boolean isMethodOverwritten(Method parentMethod,
 Class<?> childClass)

assertGetterMethod

public static void assertGetterMethod(Method getterMethod,
 Class<? extends Annotation> annotationClass)

assertReadMethod

public static void assertReadMethod(Method readMethod,
 Class<? extends Annotation> annotationClass)

isMap

public static boolean isMap(Type type)

Parameters:

type - never null

Returns:

true if it is a Map

isList

public static boolean isList(Type type)

Parameters:

type - never null

Returns:

true if it is a List

transformArrayToList

public static List<Object> transformArrayToList(Object arrayObject)