org.neo4j.ogm.metadata.reflect

Class GenericUtils

java.lang.Object

org.neo4j.ogm.metadata.reflect.GenericUtils

public final class GenericUtils
extends Object

Contains a stripped down version of Jonathan Halterman's TypeResolver from Typetools.

Author:

Frantisek Hartman, Michael J. Simons

Method Summary

Modifier and Type	Method and Description
static Class	findFieldType(Field field, Class concreteClass) Tries to discover type of given field.
static boolean	isGenericField(Field field) Helper to check whether a given field is a generic field (A field described by a type variable).
static boolean	isParameterizedField(Field field) Helper to check whether a given field is a parameterized field (A field described by a type variable presenting a parameter type).

Methods inherited from class java.lang.Object

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

Method Detail

isGenericField

public static boolean isGenericField(Field field)

Helper to check whether a given field is a generic field (A field described by a type variable).

Parameters:

field - The field to check for a type variable

Returns:

True, if field is a generic field.

isParameterizedField

public static boolean isParameterizedField(Field field)

Helper to check whether a given field is a parameterized field (A field described by a type variable presenting a parameter type).

Parameters:

field - The field to check for a parameterized type

Returns:

True, if field is a parameterized field.

findFieldType

public static Class findFieldType(Field field,
                                  Class concreteClass)

Tries to discover type of given field. If the field ha a concrete type then there is nothing to do and it's type is returned. If the field has a generic type then it traverses class hierarchy of the concrete class to discover ParameterizedType with type parameter. If the field is parameterized but no parameter can be discovered, than Object.class will be returned.

Parameters:

field - field

concreteClass - concrete class that either declares the field or is a subclass of such class

Returns:

type of the field