001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.commons.rng.sampling; 019 020import org.apache.commons.rng.UniformRandomProvider; 021 022/** 023 * Applies to samplers that can share state between instances. Samplers can be created with a 024 * new source of randomness that sample from the same state. 025 * 026 * @param <R> Type of the sampler. 027 * @since 1.3 028 */ 029public interface SharedStateSampler<R> { 030 /** 031 * Create a new instance of the sampler with the same underlying state using the given 032 * uniform random provider as the source of randomness. 033 * 034 * @param rng Generator of uniformly distributed random numbers. 035 * @return the sampler 036 */ 037 R withUniformRandomProvider(UniformRandomProvider rng); 038}