Merge pull request #194 from svladykin/prepare

minor refactoring of IndexCursor

h2/src/main/org/h2/index/IndexCursor.java

@@ -68,12 +68,12 @@ public class IndexCursor implements Cursor {
     }
 
     /**
-     * Re-evaluate the start and end values of the index search for rows.
+     * Prepare this index cursor to make a lookup in index.
      *
-     * @param s the session
-     * @param indexConditions the index conditions
+     * @param s Session.
+     * @param indexConditions Index conditions.
      */
-    public void find(Session s, ArrayList<IndexCondition> indexConditions) {
+    public void prepare(Session s, ArrayList<IndexCondition> indexConditions) {
         this.session = s;
         alwaysFalse = false;
         start = end = null;
@@ -148,6 +148,16 @@ public class IndexCursor implements Cursor {
                 }
             }
         }
+    }
+
+    /**
+     * Re-evaluate the start and end values of the index search for rows.
+     *
+     * @param s the session
+     * @param indexConditions the index conditions
+     */
+    public void find(Session s, ArrayList<IndexCondition> indexConditions) {
+        prepare(s, indexConditions);
         if (inColumn != null) {
             return;
         }
@@ -252,6 +262,24 @@ public class IndexCursor implements Cursor {
         return alwaysFalse;
     }
 
+    /**
+     * Get start search row.
+     *
+     * @return search row
+     */
+    public SearchRow getStart() {
+        return start;
+    }
+
+    /**
+     * Get end search row.
+     *
+     * @return search row
+     */
+    public SearchRow getEnd() {
+        return end;
+    }
+
     @Override
     public Row get() {
         if (cursor == null) {