Package es.kukenan.smartfi.common.service.mapper

Class EntityPatcher

java.lang.Object

es.kukenan.smartfi.common.service.mapper.EntityPatcher

@Component
public class EntityPatcher
extends Object

Entity patcher utility, see patch(Object, Object).

Constructor Summary

Constructors

Constructor	Description
EntityPatcher()

Method Summary

Modifier and Type	Method	Description
private Object	invokeGetter(Object object, Method method)	Helper util to invoke a method capturing, controlling and logging any exception thrown.
private Object	invokeSetter(Object object, String methodName, Object argument)	Helper util to invoke a method capturing, controlling and logging any exception thrown.
<T> T	patch(T original, T overrides)	Patch a given entity overriding its fields with the non-null values from a second given entity.

Methods inherited from class java.lang.Object

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

Constructor Details

EntityPatcher

public EntityPatcher()

Method Details

patch

public <T> T patch(T original,
 T overrides)

Patch a given entity overriding its fields with the non-null values from a second given entity.

Type Parameters:

T - Entity type.

Parameters:

original - the entity to patch.

overrides - the entity with the values to override in the origin entity.

Returns:

the patched entity (the same object instance as the original argument).

invokeGetter

private Object invokeGetter(Object object,
 Method method)

Helper util to invoke a method capturing, controlling and logging any exception thrown.

Parameters:

object - the object which method will be invoked.

method - the method.

Returns:

the method invocation result or null if any exception is captured.

invokeSetter

private Object invokeSetter(Object object,
 String methodName,
 Object argument)

Helper util to invoke a method capturing, controlling and logging any exception thrown.

Parameters:

object - the object which method will be invoked.

methodName - the name of the method to invoke.

argument - the setter argument.

Returns:

the method invocation result or null if any exception is captured.