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package org.frameworkset.nosql.hbase;
/**
 * Copyright 2008 biaoping.yin
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 

 * http://www.apache.org/licenses/LICENSE-2.0
 * 

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * 
Description: 
 * 
 * Copyright (c) 2018
 * @Date 2020/1/4 15:38
 * @author biaoping.yin
 * @version 1.0
 */
public class Objects {
	/**
	 * Checks that the specified object reference is not {@code null} and
	 * throws a customized {@link NullPointerException} if it is. This method
	 * is designed primarily for doing parameter validation in methods and
	 * constructors with multiple parameters, as demonstrated below:
	 * 	 * public Foo(Bar bar, Baz baz) {
	 *     this.bar = Objects.requireNonNull(bar, "bar must not be null");
	 *     this.baz = Objects.requireNonNull(baz, "baz must not be null");
	 * }
	 * 
	 *
	 * @param obj     the object reference to check for nullity
	 * @param message detail message to be used in the event that a {@code
	 *                NullPointerException} is thrown
	 * @param  the type of the reference
	 * @return {@code obj} if not {@code null}
	 * @throws NullPointerException if {@code obj} is {@code null}
	 */
	public static  T requireNonNull(T obj, String message) {
		if (obj == null)
			throw new NullPointerException(message);
		return obj;
	}
}