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 org.apache.bigtop.datagenerators.bigpetstore.datamodels.PetSpecies;
  import org.apache.bigtop.datagenerators.samplers.samplers.Sampler;
  
  public class CustomerTransactionParametersSampler implements Sampler<CustomerTransactionParameters>
  {
  	final private Sampler<Integer> nPetsSampler;
  	final private Sampler<PetSpecies> petSpeciesSampler;
  	final private Sampler<Double> purchaseTriggerTimeSampler;
  	final private Sampler<Double> transactionTriggerTimeSampler;
  
  	public CustomerTransactionParametersSampler(Sampler<Integer> nPetsSampler,
  			Sampler<PetSpecies> petSpeciesSampler,
  			Sampler<Double> purchaseTriggerTimeSampler,
  			Sampler<Double> transactionTriggerTimeSampler)
  	{
  
  		this.nPetsSampler = nPetsSampler;
  		this.petSpeciesSampler = petSpeciesSampler;
  		this.purchaseTriggerTimeSampler = purchaseTriggerTimeSampler;
  		this.transactionTriggerTimeSampler = transactionTriggerTimeSampler;
  	}
  
  	protected void generatePets(CustomerTransactionParametersBuilder builder) throws Exception
  	{
  		int nPets = this.nPetsSampler.sample();
  
  		for(int i = 0; i < nPets; i++)
  		{
  			PetSpecies species = this.petSpeciesSampler.sample();
  			builder.addPet(species);
  		}
  	}
  
  	public CustomerTransactionParameters sample() throws Exception
  	{
  		CustomerTransactionParametersBuilder builder = new CustomerTransactionParametersBuilder();
  
  		this.generatePets(builder);
  		builder.setAveragePurchaseTriggerTime(this.purchaseTriggerTimeSampler.sample());
  		builder.setAverageTransactionTriggerTime(this.transactionTriggerTimeSampler.sample());
  
  		return builder.build();
  	}
  }
  