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    • nyla.solutions.core.data.NumberNamed Maven / Gradle / Ivy

    package nyla.solutions.core.data;

import nyla.solutions.core.util.Text;

import java.io.Serializable;
import java.util.*;


public class NumberNamed extends Named 
implements Comparable, Mappable, Serializable, Nameable, Numbered
{

   /**
    * 
    * Constructor for NumberNamed initializes internal
    * 
    * data settings.
    *  
    */
   public NumberNamed()
   {
   }

   public static class NumberComparator
   implements Comparator, Serializable
   {

      public int compare(Object first, Object second)
      {

         if (first == null)
         {

            return 1;

         }
         else
         {

            NumberNamed vo1 = (NumberNamed) first;

            NumberNamed vo2 = (NumberNamed) second;

            return Integer.compare(vo1.number, vo2.number);
         }

      }

      public NumberComparator()
      {

      }
      
      static final long serialVersionUID = NumberComparator.class.getName()
      .hashCode();

   }

   public NumberNamed(String name, int number)
   {
      super(name);
      this.number = -1;
      setNumber(number);

   }

   public final int getNumber()
   {
      return number;
   }

   public final void setNumber(int number)
   {
       if (this.number != number) {

           this.number = number;
       }

       return;
   }

   public static Collection sortByNumber(Collection namedVOs)
   {

      List list;

      if (namedVOs instanceof List)
         list = (List) namedVOs;
      else
         list = new ArrayList(namedVOs);

      Collections.sort(list, new NumberComparator());

      return list;

   }//--------------------------------------------

   /**
    * 
    * @see java.lang.Comparable#compareTo(java.lang.Object)
    */
   public int compareTo(Object object)
   {

      if (object == null || !(object instanceof NumberNamed))
      {
         return -1;
      }
      else if (super.equals(object))
      {
         return 0;
      }
      else
      {

         NumberNamed vo = (NumberNamed) object;

         return Integer.compare(getNumber(), vo.getNumber());
         
      }

   }

   /**
    * 
    * @see nyla.solutions.core.data.Mappable#getKey()
    */
   public Object getKey()
   {
      return Integer.valueOf(number);

   }

   /**
    * 
    * this.setPrimaryKey(Integer.valueOf(aKey.toString()));
    * @param key the key to set
    */
   public void setKey(Object key)
   {
      if (key == null)
         throw new IllegalArgumentException("aKey required in NumberedProperty.setKey");
      
      
      if (!Text.isInteger(key.toString()))
         throw new IllegalArgumentException("Integer aKey required in NumberedProperty.setKey key="+key);
      
      this.setNumber(Integer.parseInt(key.toString()));
   }//--------------------------------------------
   
   /**
    * 
    * @return super.getText()
    * 
    * @see nyla.solutions.core.data.Mappable#getKey()
    *  
    */
   public Object getValue()
   {
      return super.getText();

   }//--------------------------------------------
   
   /**
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode()
	{
		final int prime = 31;
		int result = super.hashCode();
		result = prime * result + number;
		return result;
	}
	
	/**
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj)
	{
		if (this == obj)
			return true;
		if (!super.equals(obj))
			return false;
		if (getClass() != obj.getClass())
			return false;
		NumberNamed other = (NumberNamed) obj;
		if (number != other.number)
			return false;
		return true;
	}

private int number;
   static final long serialVersionUID = NumberNamed.class.getName().hashCode();
}
    
    
    
    

    




    
    
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