content: /*************************************************************************
  *                                                                        *
  *  This file is part of the 20n/act project.                             *
  *  20n/act enables DNA prediction for synthetic biology/bioengineering.  *
  *  Copyright (C) 2017 20n Labs, Inc.                                     *
  *                                                                        *
  *  Please direct all queries to act@20n.com.                             *
  *                                                                        *
  *  This program is free software: you can redistribute it and/or modify  *
  *  it under the terms of the GNU General Public License as published by  *
  *  the Free Software Foundation, either version 3 of the License, or     *
  *  (at your option) any later version.                                   *
  *                                                                        *
  *  This program is distributed in the hope that it will be useful,       *
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  *  GNU General Public License for more details.                          *
  *                                                                        *
  *  You should have received a copy of the GNU General Public License     *
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  *                                                                        *
  *************************************************************************/
  
  package act.installer.reachablesexplorer;
  
  import com.fasterxml.jackson.annotation.JsonIgnore;
  import com.fasterxml.jackson.annotation.JsonProperty;
  
  import java.io.Serializable;
  import java.util.Collection;
  import java.util.HashSet;
  import java.util.Set;
  
  class PrecursorData implements Serializable {
      @JsonProperty("precursors")
      private Set<Precursor> precursors;
  
      public PrecursorData() {
          this.precursors = new HashSet<>();
      }
  
      public PrecursorData(Set<Precursor> precursors) {
          this.precursors = precursors;
      }
  
      @JsonIgnore
      public void addPrecursor(Precursor precursor) {
          if (this.precursors == null) {
              this.precursors = new HashSet<>();
          }
          this.precursors.add(precursor);
      }
  
      @JsonIgnore
      public void addPrecursors(Collection<Precursor> precursors) {
          precursors.stream().forEach(this::addPrecursor);
      }
  
      public Set<Precursor> getPrecursors() {
          return this.precursors;
      }
  
      public void setPrecursors(Collection<Precursor> precursors){
          this.precursors = new HashSet<>(precursors);
      }
  }
  