--- a/src/main/java/jp/ac/u_ryukyu/cr/ie/tatsuki/bbs/JuGrix.java	Mon Oct 27 10:40:29 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/cr/ie/tatsuki/bbs/JuGrix.java	Mon Oct 27 12:06:11 2014 +0900
@@ -772,10 +772,71 @@
 		return targetId;
 	}
 
-
-
-
+	public Iterator<String> roleDescriptionElementIds(String id, LinkedList<String> filterIds) {
+		
+		 Iterator<String> orgIds = deepParentOrganizationIdsPlus(id, filterIds);
+		 
+		 LinkedList<String> rdeIds = new LinkedList<String>();
+		 
+		for (;orgIds.hasNext();) {
+			String orgId = orgIds.next();
+			Iterator<String> roleIds =  roleIds(orgId);
+			for (;roleIds.hasNext();) {
+				String roleId = roleIds.next();
+				String rdeId = getRde(roleId);
+				String[] rdeSplit = rdeId.split(" ");
+				for (String rde : rdeSplit) {
+					if (!rde.equals(""))
+						rdeIds.add(rde);
+				}
+			}
+		}
+		
+		return rdeIds.iterator();
+	}
 
-
+	private String getRde(String roleId) {
+		
+		InterfaceTraverser traverser = roleTree.getTraverser();
+		
+		Iterator<Pair<TreeNode,NodePath>> roleIterator = traverser.find(
+				(TreeNode node) -> {
+					String element = node.getAttributes().getString("element");
+					if (element == null)
+						return false;
+					if (!element.equals("Role")) 
+						return false;
+					String id = node.getAttributes().getString("id");
+					if (id == null)
+						return false;
+					if (id.equals(roleId))
+						return true;
+					return false;
+				});
+		
+		if (!roleIterator.hasNext())
+			return "";
+		
+		TreeNode roleNode = roleIterator.next().left();
+		
+		Iterator<Pair<TreeNode,NodePath>> rdeIterator = traverser.find(
+				(TreeNode node) -> {
+					String element = node.getAttributes().getString("element");
+					if (element == null)
+						return false;
+					if (!element.equals("roleDescriptionElementRefIds")) 
+						return false;
+					String rde = node.getAttributes().getString("text");
+					if (rde != null)
+						return true;
+					return false;
+				},roleNode);
+		
+		if (!rdeIterator.hasNext())
+			return "";
+		
+		return rdeIterator.next().left().getAttributes().getString("text");
+	}
 
+	
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/java/jp/ac/u_ryukyu/cr/ie/tatsuki/functionTest/roleDescriptionElementIdsTest.java	Mon Oct 27 12:06:11 2014 +0900
@@ -0,0 +1,25 @@
+package jp.ac.u_ryukyu.cr.ie.tatsuki.functionTest;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+
+import jp.ac.u_ryukyu.cr.ie.tatsuki.bbs.JuGrix;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.Jungle;
+import junit.framework.Assert;
+
+import org.junit.Test;
+
+public class roleDescriptionElementIdsTest {
+
+	@Test
+	public void roleDescriptionElementIdsTest(){
+		JuGrix jugrix = new JuGrix();
+		LinkedList<String> ids = new LinkedList<String>();
+		//ids.add("o:34");
+		Iterator<String> rdeIds = jugrix.roleDescriptionElementIds("o:2",ids);
+		Assert.assertEquals(rdeIds.next(),"rde:3");
+		Assert.assertEquals(rdeIds.next(),"rde:2");
+		Assert.assertEquals(rdeIds.next(),"rde:1");
+		Assert.assertEquals(rdeIds.next(),"rde:10");
+	}
+}