utils

Class Utils

java.lang.Object

utils.Utils

public final class Utils
extends Object

Since:

9/12/20

Author:

Joseph Harvey Angeles - @{yev}

Method Summary

Modifier and Type	Method and Description
static <T> Optional<T>	getFirstElement(List<T> list)
static <T extends Entity> T	merge(T from, T to) Merges the field values of to onto from, replacing from's value with to's non-null value.

Methods inherited from class java.lang.Object

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

Method Detail

getFirstElement

public static <T> Optional<T> getFirstElement(List<T> list)

merge

public static <T extends Entity> T merge(T from,
                                         T to)

Merges the field values of to onto from, replacing from's value with to's non-null value. If to's value for a certain field is null, resulting return object will take from's value for that field.

This does not mutate the original objects.

Type Parameters:

T - Entity.class object should conform to Table.class and Column.class

Parameters:

from - object to replace values with

to - object whose values will be used to replace from's

Returns:

the resulting Entity object.

See Also:

Entity, Table, Column