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

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method and 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 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)

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