Hide some memebers as private, add getters

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

diff --git a/src/main/java/org/z3950/zing/cql/CQLPrefixNode.java b/src/main/java/org/z3950/zing/cql/CQLPrefixNode.java
index dd01d85..10cff1a 100644 (file)
--- a/src/main/java/org/z3950/zing/cql/CQLPrefixNode.java
+++ b/src/main/java/org/z3950/zing/cql/CQLPrefixNode.java
@@ -15,13 +15,21 @@ public class CQLPrefixNode extends CQLNode {
     /**
      * The prefix definition that governs the subtree.
      */
-    public CQLPrefix prefix;
+    private CQLPrefix prefix;
+
+    public CQLPrefix getPrefix() {
+        return prefix;
+    }
 
     /**
      * The root of a parse-tree representing the part of the query
      * that is governed by this prefix definition.
      */ 
-    public CQLNode subtree;
+    private CQLNode subtree;
+
+    public CQLNode getSubtree() {
+      return subtree;
+    }
 
     /**
      * Creates a new CQLPrefixNode inducing a mapping from the