Relocate Source to proper directory.

src/main/java/appeng/me/cache/helpers/TunnelCollection.java

@@ -0,0 +1,47 @@
+package appeng.me.cache.helpers;
+
+import java.util.Collection;
+import java.util.Iterator;
+
+import appeng.parts.p2p.PartP2PTunnel;
+import appeng.util.iterators.NullIterator;
+
+public class TunnelCollection<T extends PartP2PTunnel> implements Iterable<T>
+{
+
+	final Class clz;
+	Collection<T> tunnelsource;
+
+	public TunnelCollection(Collection<T> src, Class c) {
+		tunnelsource = src;
+		clz = c;
+	}
+
+	@Override
+	public Iterator<T> iterator()
+	{
+		if ( tunnelsource == null )
+			return new NullIterator();
+		return new TunnelIterator( tunnelsource, clz );
+	}
+
+	public void setSource(Collection<T> c)
+	{
+		tunnelsource = c;
+	}
+
+	public boolean isEmpty()
+	{
+		return !iterator().hasNext();
+	}
+
+	public boolean matches(Class<? extends PartP2PTunnel> c)
+	{
+		return clz == c;
+	}
+
+	public Class<? extends PartP2PTunnel> getClz()
+	{
+		return clz;
+	}
+}