content: /**
   * 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.bigtop.datagenerators.bigpetstore.generators.purchase;
  
  import java.util.Map;
  
  import org.apache.bigtop.datagenerators.bigpetstore.datamodels.Product;
  import org.apache.bigtop.datagenerators.bigpetstore.datamodels.inputs.ProductCategory;
  import org.apache.bigtop.datagenerators.samplers.markovmodels.MarkovModel;
  import org.apache.bigtop.datagenerators.samplers.samplers.Sampler;
  
  import com.google.common.collect.Maps;
  
  public class MarkovPurchasingModelSampler implements Sampler<MarkovPurchasingModel>
  {
  	final Map<ProductCategory, Sampler<MarkovModel<Product>>> categorySamplers;
  
  	public MarkovPurchasingModelSampler(Map<ProductCategory, Sampler<MarkovModel<Product>>> categorySamplers)
  	{
  		this.categorySamplers = categorySamplers;
  	}
  
  	public MarkovPurchasingModel sample() throws Exception
  	{
  		Map<String, MarkovModel<Product>> markovModels = Maps.newHashMap();
  		for(ProductCategory productCategory : categorySamplers.keySet())
  		{
  			Sampler<MarkovModel<Product>> sampler = categorySamplers.get(productCategory);
  			markovModels.put(productCategory.getCategoryLabel(), sampler.sample());
  		}
  
  		return new MarkovPurchasingModel(markovModels);
  	}
  }
  