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.transaction;
  
  import java.util.Map;
  
  import org.apache.bigtop.datagenerators.bigpetstore.Constants;
  import org.apache.bigtop.datagenerators.bigpetstore.datamodels.Product;
  
  import com.google.common.collect.ImmutableMap;
  import com.google.common.collect.Maps;
  
  public class CustomerInventory
  {
  	final private ImmutableMap<String, ProductCategoryInventory> productCategoryInventories;
  
  	public CustomerInventory(Map<String, ProductCategoryInventory> productCategoryInventories)
  	{
  		this.productCategoryInventories = ImmutableMap.copyOf(productCategoryInventories);
  	}
  
  	public void simulatePurchase(double time, Product product) throws Exception
  	{
  		String category = product.getFieldValueAsString(Constants.PRODUCT_CATEGORY);
  		ProductCategoryInventory inventory = productCategoryInventories.get(category);
  		inventory.simulatePurchase(time, product);
  	}
  
  	public ImmutableMap<String, Double> getInventoryAmounts(double time)
  	{
  		Map<String, Double> amounts = Maps.newHashMap();
  		for(String category : productCategoryInventories.keySet())
  		{
  			double amount = productCategoryInventories.get(category).findRemainingAmount(time);
  			amounts.put(category, amount);
  		}
  
  		return ImmutableMap.copyOf(amounts);
  	}
  
  	public ImmutableMap<String, Double> getExhaustionTimes()
  	{
  		Map<String, Double> times = Maps.newHashMap();
  		for(String category : productCategoryInventories.keySet())
  		{
  			double time = productCategoryInventories.get(category).findExhaustionTime();
  			times.put(category, time);
  		}
  
  		return ImmutableMap.copyOf(times);
  	}
  }
  