Here you can find the source of nvl(final T t, final T def)
Parameter | Description |
---|---|
t | the desired field |
def | the default field |
public final static <T> T nvl(final T t, final T def)
//package com.java2s; /**/*from ww w . j a va2 s . c om*/ * The contents of this file are subject to the Regenstrief Public License * Version 1.0 (the "License"); you may not use this file except in compliance with the License. * Please contact Regenstrief Institute if you would like to obtain a copy of the license. * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * Copyright (C) Regenstrief Institute. All Rights Reserved. */ public class Main { /** * Like Oracle's nvl, which is like coalesce with only two arguments * * @param t the desired field * @param def the default field * @return t if not null, otherwise def */ public final static <T> T nvl(final T t, final T def) { return t == null ? def : t; } }