[rules-users] working with arraylist in drools application jboss

[wasim.khan318]

public static class Item 
        { 
private String CustomerId; 
private String Item; 
} 

public static class Data 
{ 
        public ArrayList<Item> items = new ArrayList<Item>(); 
        
        public ArrayList<Item>  GetData() 
        {Item item1 = new Item(); 
// some code 
from database 
item1.CustomerId=rs.getString("CustomerId"); 
  item1.Price=rs.getString("item"); 
                   items.add(item); 
return item1 
} 
1.how to write rule how to find customer of a perticular Item
2. what i have written
 $D:Data();
	  	$I:Item();

	   
	  $R:Item(item =="I1"  )from $D.GetData() ;
	  
	  
	then
	System.out.println("hello");
	 

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