properties.java

P2P模拟器P2Psim的程序源码

package graph;

import java.util.LinkedList;
import java.util.Hashtable;
import java.util.ListIterator;
import java.util.Iterator;

import java.awt.Color;

import java.io.Serializable;

public class Properties implements Serializable
{

	private Hashtable allInformation;
	private String name;
	private Color color;
	
	public Properties(String label)
	{
		setName(label);
		allInformation = new Hashtable();
		setColor(Color.red);
	}
	
	public String toString()
	{
		if (getName() != null)
		{
			return getName();
		}
		else
		{
			return new String("edge");
		}
	}
	
	public String getName()
	{
		return name;
	}
	
	public void setName(String newName)
	{
		name = newName;
	}
	
	public Color getColor()
	{
		return color;
	}
	
	public void setColor(Color newColor)
	{
		color = newColor;
	}
	
	// Add Information
	
	private void addInformationType(String type)
	{
		allInformation.put(type, new LinkedList());	
	}
	
	private void removeInformationType(String type)
	{
		allInformation.remove(type);
	}
	
	public void addInformation(String type, Object o)
	{
		if (allInformation.get(type)==null)
		{
			addInformationType(type);		
		}
		
		((LinkedList)allInformation.get(type)).add(o);
	}
	
	public void removeInformation(String type, Object o)
	{
		if (allInformation.get(type)==null)
		{}
		else
		{
			((LinkedList)allInformation.get(type)).remove(o);
			
			if (((LinkedList)allInformation.get(type)).size()==0)
			{
				removeInformationType(type);
			}
			
		}	
	}
	
	public ListIterator getInformation(String type)
	{
		if (allInformation.containsKey(type))
		{
			return ((LinkedList)allInformation.get(type)).listIterator();
		}
		else
		{
			return null;
		}
	}
	
	public LinkedList getListInformation(String type)
	{
		if (allInformation.containsKey(type))
		{
			return ((LinkedList)allInformation.get(type));
		}
		else
		{
			return null;
		}
	}
 
	public Iterator getInformationTypes()
	{
		return allInformation.keySet().iterator();
	}

}