Finish (more or less) to CQL-to-PQF translator.

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

diff --git a/src/org/z3950/zing/cql/CQLRelation.java b/src/org/z3950/zing/cql/CQLRelation.java
index f82b91e..0d98674 100644 (file)
--- a/src/org/z3950/zing/cql/CQLRelation.java
+++ b/src/org/z3950/zing/cql/CQLRelation.java
@@ -1,4 +1,4 @@
-// $Id: CQLRelation.java,v 1.4 2002-11-06 00:14:32 mike Exp $
+// $Id: CQLRelation.java,v 1.5 2002-11-06 20:13:45 mike Exp $
 
 package org.z3950.zing.cql;
 import java.util.Vector;
@@ -7,9 +7,8 @@ import java.lang.StringBuffer;
 
 /**
  * Represents a relation between a CQL qualifier and term.
- * ##
  *
- * @version    $Id: CQLRelation.java,v 1.4 2002-11-06 00:14:32 mike Exp $
+ * @version    $Id: CQLRelation.java,v 1.5 2002-11-06 20:13:45 mike Exp $
  */
 public class CQLRelation extends CQLNode {
     ModifierSet ms;
@@ -26,7 +25,15 @@ public class CQLRelation extends CQLNode {
        ms.addModifier(null, modifier);
     }
 
-    // ### should have a public method to retrieve all modifiers
+    public String[] getModifiers() {
+       Vector[] v = ms.getModifiers();
+       int n = v.length;
+       String[] s = new String[n];
+       for (int i = 0; i < n; i++) {
+           s[i] = (String) v[i].get(1);
+       }
+       return s;
+    }
 
     public String toXCQL(int level) {
        return ms.toXCQL(level, "relation");
@@ -36,8 +43,7 @@ public class CQLRelation extends CQLNode {
        return ms.toCQL();
     }
 
-    public String toPQF(Properties config)
-       throws UnknownQualifierException, UnknownRelationException {
-       throw Error("CQLRelation.toPQF() can never be called");
+    public String toPQF(Properties config) throws PQFTranslationException {
+       throw new Error("CQLRelation.toPQF() can never be called");
     }
 }