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| <pre><span class="sourceLineNo">001</span>//***************************************************************************************************************************<a name="line.1"></a> |
| <span class="sourceLineNo">002</span>//* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file *<a name="line.2"></a> |
| <span class="sourceLineNo">003</span>//* distributed with this work for additional information regarding copyright ownership. The ASF licenses this file *<a name="line.3"></a> |
| <span class="sourceLineNo">004</span>//* to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance *<a name="line.4"></a> |
| <span class="sourceLineNo">005</span>//* with the License. You may obtain a copy of the License at *<a name="line.5"></a> |
| <span class="sourceLineNo">006</span>//* *<a name="line.6"></a> |
| <span class="sourceLineNo">007</span>//* http://www.apache.org/licenses/LICENSE-2.0 *<a name="line.7"></a> |
| <span class="sourceLineNo">008</span>//* *<a name="line.8"></a> |
| <span class="sourceLineNo">009</span>//* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span>//* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span>//* specific language governing permissions and limitations under the License. *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span>//***************************************************************************************************************************<a name="line.12"></a> |
| <span class="sourceLineNo">013</span>package org.apache.juneau.internal;<a name="line.13"></a> |
| <span class="sourceLineNo">014</span><a name="line.14"></a> |
| <span class="sourceLineNo">015</span>import java.util.*;<a name="line.15"></a> |
| <span class="sourceLineNo">016</span>import java.util.function.*;<a name="line.16"></a> |
| <span class="sourceLineNo">017</span><a name="line.17"></a> |
| <span class="sourceLineNo">018</span>/**<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> * A function that takes in 4 arguments.<a name="line.19"></a> |
| <span class="sourceLineNo">020</span> *<a name="line.20"></a> |
| <span class="sourceLineNo">021</span> * <ul class='seealso'><a name="line.21"></a> |
| <span class="sourceLineNo">022</span> * <li class='extlink'>{@source}<a name="line.22"></a> |
| <span class="sourceLineNo">023</span> * </ul><a name="line.23"></a> |
| <span class="sourceLineNo">024</span> *<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> * @param <A> The first argument.<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * @param <B> The second argument.<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * @param <C> The third argument.<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * @param <D> The fourth argument.<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * @param <R> The return type.<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> */<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>@SuppressWarnings("javadoc")<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>@FunctionalInterface<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>public interface Function4<A,B,C,D,R> {<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span> R apply(A a, B b, C c, D d);<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> default <V> Function4<A, B, C, D, V> andThen(Function<? super R, ? extends V> after) {<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> Objects.requireNonNull(after);<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> return (A a, B b, C c, D d) -> after.apply(apply(a, b, c ,d));<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> }<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>}<a name="line.41"></a> |
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