content: /**
   * Copyright (c) 2017 Siemens AG
   * All rights reserved.
   * 
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   * 
   * 1) Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   * 
   * 2) Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   * 
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package at.ac.tuwien.kr.alpha.core.solver.heuristics.activity;
  
  import org.apache.commons.collections4.MultiValuedMap;
  
  import java.util.Map;
  
  public final class BodyActivityProviderFactory {
  
  	public enum BodyActivityType {
  		DEFAULT, SUM, AVG, MAX, MIN
  	}
  
  	public static BodyActivityProvider getInstance(BodyActivityType type, MultiValuedMap<Integer, Integer> bodyToLiterals, Map<Integer, Double> activityCounters,
  			double defaultActivity) {
  		switch (type) {
  		case DEFAULT:
  			return new DefaultBodyActivityProvider(bodyToLiterals, activityCounters, defaultActivity);
  		case SUM:
  			return new SumBodyActivityProvider(bodyToLiterals, activityCounters, defaultActivity);
  		case AVG:
  			return new AvgBodyActivityProvider(bodyToLiterals, activityCounters, defaultActivity);
  		case MAX:
  			return new MaxBodyActivityProvider(bodyToLiterals, activityCounters, defaultActivity);
  		case MIN:
  			return new MinBodyActivityProvider(bodyToLiterals, activityCounters, defaultActivity);
  		default:
  			throw new IllegalArgumentException("Unknown body activity type requested.");
  		}
  	}
  
  }
  