Hide some memebers as private, add getters

[cql-java-moved-to-github.git] / src / main / java / org / z3950 / zing / cql / CQLSortNode.java

diff --git a/src/main/java/org/z3950/zing/cql/CQLSortNode.java b/src/main/java/org/z3950/zing/cql/CQLSortNode.java
index 6e7f21d..53c7ef1 100644 (file)
--- a/src/main/java/org/z3950/zing/cql/CQLSortNode.java
+++ b/src/main/java/org/z3950/zing/cql/CQLSortNode.java
@@ -15,7 +15,7 @@ public class CQLSortNode extends CQLNode {
      * The root of a subtree representing the query whose result is to
      * be sorted.
      */ 
-    public CQLNode subtree;
+    private CQLNode subtree;
 
     /**
      * The set of sort keys by which results are to be sorted,
@@ -24,6 +24,10 @@ public class CQLSortNode extends CQLNode {
      */ 
     Vector<ModifierSet> keys;
 
+    public CQLNode getSubtree() {
+        return subtree;
+    }
+
     public CQLSortNode(CQLNode subtree) {
        this.subtree = subtree;
        keys = new Vector<ModifierSet>();