--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pathfinder/mergetest/SelectorSimulator.java	Tue Aug 05 15:09:39 2008 +0900
@@ -0,0 +1,56 @@
+package pathfinder.mergetest;
+
+import java.util.ArrayList;
+import java.util.Set;
+
+public class SelectorSimulator<P> {
+	
+	private ArrayList<SelectionKeySimulator<P>> keyList;
+	private NetworkSimulator<P> ns;
+	private ArrayList<SelectionKeySimulator<P>> selectedKeys;
+	
+	public SelectorSimulator(NetworkSimulator<P> _ns) {
+		// TODO Auto-generated constructor stub
+		ns = _ns;
+		keyList = new ArrayList<SelectionKeySimulator<P>>();
+	}
+
+	public int select(){
+		selectedKeys = new ArrayList<SelectionKeySimulator<P>>();
+		
+		synchronized(ns){
+			boolean empty = false;
+			for(SelectionKeySimulator<P> key : keyList){
+				ChannelSimulator<P> channel = key.channel();
+				if(channel.readQisEmpty()){
+					empty = true;
+				}else{
+					empty = false;
+					//selectedKeys = key;
+					selectedKeys.add(key);
+					break;
+				}
+			}
+			
+			try {
+				if(empty) ns.wait();
+			} catch (InterruptedException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+		}
+		return selectedKeys.size();
+	}
+	
+	public SelectionKeySimulator<P> register(ChannelSimulator<P> cs){
+		SelectionKeySimulator<P> key = new SelectionKeySimulator<P>(cs);
+		keyList.add(new SelectionKeySimulator<P>(cs));
+		return key;
+	}
+
+	public ArrayList<SelectionKeySimulator<P>> selectedKeys() {
+		
+		return selectedKeys;
+	}
+
+}