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
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   */
  package org.apache.bigtop.datagenerators.bigpetstore.generators.transaction;
  
  import java.util.Arrays;
  
  import org.apache.bigtop.datagenerators.bigpetstore.Constants;
  import org.apache.bigtop.datagenerators.bigpetstore.datamodels.PetSpecies;
  import org.apache.bigtop.datagenerators.samplers.SeedFactory;
  import org.apache.bigtop.datagenerators.samplers.samplers.BoundedMultiModalGaussianSampler;
  import org.apache.bigtop.datagenerators.samplers.samplers.RouletteWheelSampler;
  import org.apache.bigtop.datagenerators.samplers.samplers.Sampler;
  import org.apache.bigtop.datagenerators.samplers.samplers.UniformIntSampler;
  
  public class CustomerTransactionParametersSamplerBuilder
  {
  	final private SeedFactory seedFactory;
  
  	public CustomerTransactionParametersSamplerBuilder(SeedFactory seedFactory)
  	{
  		this.seedFactory = seedFactory;
  	}
  
  	public Sampler<CustomerTransactionParameters> build()
  	{
  		Sampler<Integer> nPetsSampler = new UniformIntSampler(Constants.MIN_PETS, Constants.MAX_PETS, seedFactory);
  
  		Sampler<PetSpecies> petSpeciesSampler = RouletteWheelSampler.createUniform(Arrays.asList(PetSpecies.values()), seedFactory);
  
  		Sampler<Double> transactionTriggerTimeSampler = new BoundedMultiModalGaussianSampler(Constants.TRANSACTION_TRIGGER_TIME_GAUSSIANS,
  					Constants.TRANSACTION_TRIGGER_TIME_MIN, Constants.TRANSACTION_TRIGGER_TIME_MAX,
  					seedFactory);
  
  		Sampler<Double> purchaseTriggerTimeSampler = new BoundedMultiModalGaussianSampler(Constants.PURCHASE_TRIGGER_TIME_GAUSSIANS,
  				Constants.PURCHASE_TRIGGER_TIME_MIN, Constants.PURCHASE_TRIGGER_TIME_MAX,
  				seedFactory);
  
  		return new CustomerTransactionParametersSampler(nPetsSampler, petSpeciesSampler,
  				transactionTriggerTimeSampler, purchaseTriggerTimeSampler);
  	}
  
  }
  