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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package org.apache.logging.log4j.util;

/**
 * Consider this class private.
 * Classes implementing this interface know how to supply a value.
 *
 * 

This is a functional * interface intended to support lambda expressions in log4j 2. * *

Implementors are free to cache values or return a new or distinct value each time the supplier is invoked. * *

DEPRECATED: this class will be removed in 3.0 to be replaced with the Java 8 interface.

* * @param the type of values returned by this supplier * * @since 2.4 */ public interface Supplier { /** * Gets a value. * * @return a value */ T get(); }




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