From 3a8f9306bdc10823da2802165904c5e894a03c10 Mon Sep 17 00:00:00 2001
From: Tom Morris <tfmorris@gmail.com>
Date: Mon, 29 Nov 2010 06:24:50 +0000
Subject: [PATCH] Add some toString() methods to help with debugging

git-svn-id: http://google-refine.googlecode.com/svn/trunk@1941 7d457c2a-affb-35e4-300a-418c747d4874
---
 .../google/refine/importers/TreeImportUtilities.java | 12 ++++++++++++
 main/src/com/google/refine/model/Column.java         |  4 ++++
 main/src/com/google/refine/model/ColumnGroup.java    |  4 ++++
 3 files changed, 20 insertions(+)

diff --git a/main/src/com/google/refine/importers/TreeImportUtilities.java b/main/src/com/google/refine/importers/TreeImportUtilities.java
index 0c149711b..83cc2725e 100644
--- a/main/src/com/google/refine/importers/TreeImportUtilities.java
+++ b/main/src/com/google/refine/importers/TreeImportUtilities.java
@@ -35,6 +35,7 @@ package com.google.refine.importers;
 
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
@@ -42,6 +43,7 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -59,6 +61,10 @@ public abstract class TreeImportUtilities {
     static protected class RecordElementCandidate {
         String[] path;
         int count;
+        
+        public String toString() {
+            return Arrays.toString(path);
+        }
     }
 
 
@@ -88,6 +94,12 @@ public abstract class TreeImportUtilities {
                 nonBlankCount = Math.max(nonBlankCount, g.nonBlankCount);
             }
         }
+        
+        public String toString() {
+            return String.format("name=%s, columns={%s}, subgroups={{%s}}",
+                    name,StringUtils.join(columns.keySet(), ','),
+                    StringUtils.join(subgroups.keySet(),','));
+        }
     }
 
     /**
diff --git a/main/src/com/google/refine/model/Column.java b/main/src/com/google/refine/model/Column.java
index 089e366cc..35b554b50 100644
--- a/main/src/com/google/refine/model/Column.java
+++ b/main/src/com/google/refine/model/Column.java
@@ -153,4 +153,8 @@ public class Column implements Jsonizable {
         
         return column;
     }
+    
+    public String toString() {
+        return _name;
+    }
 }
diff --git a/main/src/com/google/refine/model/ColumnGroup.java b/main/src/com/google/refine/model/ColumnGroup.java
index b3e931cbf..434e9ab5f 100644
--- a/main/src/com/google/refine/model/ColumnGroup.java
+++ b/main/src/com/google/refine/model/ColumnGroup.java
@@ -106,4 +106,8 @@ public class ColumnGroup implements Jsonizable {
     protected void internalInitialize() {
         subgroups = new LinkedList<ColumnGroup>();
     }
+    
+    public String toString() {
+        return String.format("%d:%d:k=%d",startColumnIndex,columnSpan,keyColumnIndex);
+    }
 }