Package nl.jqno.equalsverifier.internal.reflection

Class FieldModifier

java.lang.Object

nl.jqno.equalsverifier.internal.reflection.FieldModifier

public final class FieldModifier
extends Object

Method Summary

Modifier and Type	Method	Description
void	changeField(PrefabValues prefabValues, TypeTag enclosingType)	Changes the field's value to something else.
void	copyTo(Object to)	Copies field's value to the corresponding field in the specified object.
void	defaultField()	Tries to make the field null.
void	defaultStaticField()	Tries to make the field null.
static FieldModifier	of(Field field, Object object)	Factory method.
void	set(Object value)	Tries to set the field to the specified value.

Methods inherited from class java.lang.Object

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

Method Detail

of

public static FieldModifier of(Field field,
                               Object object)

Factory method.

Parameters:

field - The field to modify.

object - An object that contains the field we want to modify.

Returns:

A FieldModifier for field in object.

set

public void set(Object value)

Tries to set the field to the specified value.

Includes static fields but ignores fields that can't be modified reflectively.

Parameters:

value - The value that the field should get.

Throws:

ReflectionException - If the operation fails.

defaultField

public void defaultField()

Tries to make the field null. Ignores static fields and fields that can't be modified reflectively.

Throws:

ReflectionException - If the operation fails.

defaultStaticField

public void defaultStaticField()

Tries to make the field null. Includes static fields but ignores fields that can't be modified reflectively.

Throws:

ReflectionException - If the operation fails.

copyTo

public void copyTo(Object to)

Copies field's value to the corresponding field in the specified object.

Ignores static fields and fields that can't be modified reflectively.

Parameters:

to - The object into which to copy the field.

Throws:

ReflectionException - If the operation fails.

changeField

public void changeField(PrefabValues prefabValues,
                        TypeTag enclosingType)

Changes the field's value to something else. The new value will never be null. Other than that, the precise value is undefined.

Ignores static fields and fields that can't be modified reflectively.

Parameters:

prefabValues - If the field is of a type contained within prefabValues, the new value will be taken from it.

enclosingType - A tag for the type that contains the field. Needed to determine a generic type, if it has one..

Throws:

ReflectionException - If the operation fails.