1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.rng.sampling; 19 20 import org.apache.commons.rng.UniformRandomProvider; 21 22 /** 23 * Applies to samplers that can share state between instances. Samplers can be created with a 24 * new source of randomness that sample from the same state. 25 * 26 * @param <R> Type of the sampler. 27 * @since 1.3 28 */ 29 public interface SharedStateSampler<R> { 30 /** 31 * Create a new instance of the sampler with the same underlying state using the given 32 * uniform random provider as the source of randomness. 33 * 34 * @param rng Generator of uniformly distributed random numbers. 35 * @return the sampler 36 */ 37 R withUniformRandomProvider(UniformRandomProvider rng); 38 }