com.github.jonpereiradev.diffobjects.builder

Class DiffReflections

java.lang.Object

com.github.jonpereiradev.diffobjects.builder.DiffReflections

public final class DiffReflections
extends Object

Common reflections operations to execute the diff.

Since:

1.0

Author:

Jonathan Pereira

Constructor Summary

Constructors

Constructor and Description
DiffReflections()

Method Summary

Modifier and Type	Method and Description
static Method	discoverGetter(Class<?> diffClass, String fieldOrMethodName) Discover the public non-args method for access a field value.
static <T> T	invoke(Object instance, Method method) Calls the method for the object and returns the value.
static DiffConfiguration	mapAnnotations(Class<?> diffClass) Map the methods of the object that has the annotations for diff and stores in cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

DiffReflections

public DiffReflections()

Method Detail

mapAnnotations

public static DiffConfiguration mapAnnotations(Class<?> diffClass)

Map the methods of the object that has the annotations for diff and stores in cache.

Parameters:

diffClass - class that have the diff annotations.

Returns:

the diff mappings of the class.

discoverGetter

public static Method discoverGetter(Class<?> diffClass,
                                    String fieldOrMethodName)

Discover the public non-args method for access a field value.

Parameters:

diffClass - the class that has the getter method.

fieldOrMethodName - the name of the field for discover or the name of the getter method.

Returns:

the getter method to get the value.

invoke

public static <T> T invoke(Object instance,
                           Method method)

Calls the method for the object and returns the value.

Type Parameters:

T - the type of value returned by the method.

Parameters:

instance - the object instance that have the method.

method - the getter method to get the value.

Returns:

the value returned by the getter method.