Add override annotations

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

diff --git a/src/main/java/org/z3950/zing/cql/CQLRelation.java b/src/main/java/org/z3950/zing/cql/CQLRelation.java
index 9e17d27..44a55e6 100644 (file)
--- a/src/main/java/org/z3950/zing/cql/CQLRelation.java
+++ b/src/main/java/org/z3950/zing/cql/CQLRelation.java
@@ -43,6 +43,7 @@ public class CQLRelation extends CQLNode {
        return ms.getModifiers();
     }
 
+    @Override
     public String toXCQL(int level, List<CQLPrefix> prefixes,
       List<ModifierSet> sortkeys) {
        if (sortkeys != null)
@@ -51,14 +52,17 @@ public class CQLRelation extends CQLNode {
        return ms.toXCQL(level, "relation");
     }
 
+    @Override
     public String toCQL() {
        return ms.toCQL();
     }
 
+    @Override
     public String toPQF(Properties config) throws PQFTranslationException {
        throw new Error("CQLRelation.toPQF() can never be called");
     }
 
+    @Override
     public byte[] toType1BER(Properties config) {
        throw new Error("CQLRelation.toType1BER() can never be called");
     }