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

Class ReflectionHelper

  • public final class ReflectionHelper
extends Object
    Avoids the usage of Introspector to work on Android too.

    • Method Detail

      • 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)