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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,
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package org.apache.commons.collections4;

/**
 * Defines a functor interface implemented by classes that create objects.
 * 

* A Factory creates an object without using an input parameter. * If an input parameter is required, then {@link Transformer} is more appropriate. *

* Standard implementations of common factories are provided by * {@link FactoryUtils}. These include factories that return a constant, * a copy of a prototype or a new instance. * * @param the type that the factory creates * * @since 2.1 * @version $Id: Factory.java 1543256 2013-11-19 00:45:38Z ggregory $ */ public interface Factory { /** * Create a new object. * * @return a new object * @throws FunctorException (runtime) if the factory cannot create an object */ T create(); }





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