Add override annotations

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

diff --git a/src/main/java/org/z3950/zing/cql/CQLBooleanNode.java b/src/main/java/org/z3950/zing/cql/CQLBooleanNode.java
index dafb19b..465b725 100644 (file)
--- a/src/main/java/org/z3950/zing/cql/CQLBooleanNode.java
+++ b/src/main/java/org/z3950/zing/cql/CQLBooleanNode.java
@@ -44,6 +44,7 @@ public abstract class CQLBooleanNode extends CQLNode {
        this.ms = ms;
     }
 
+    @Override
     public String toXCQL(int level, List<CQLPrefix> prefixes,
                         List<ModifierSet> sortkeys) {
        return (indent(level) + "<triple>\n" +
@@ -59,6 +60,7 @@ public abstract class CQLBooleanNode extends CQLNode {
                indent(level) + "</triple>\n");
     }
 
+    @Override
     public String toCQL() {
        // ### We don't always need parens around the operands
        return ("(" + left.toCQL() + ")" +
@@ -66,6 +68,7 @@ public abstract class CQLBooleanNode extends CQLNode {
                "(" + right.toCQL() + ")");
     }
 
+    @Override
     public String toPQF(Properties config) throws PQFTranslationException {
        return ("@" + opPQF() +
                " " + left.toPQF(config) +
@@ -75,6 +78,7 @@ public abstract class CQLBooleanNode extends CQLNode {
     // represents the operation for PQF: overridden for CQLProxNode
     String opPQF() { return ms.getBase(); }
 
+    @Override
     public byte[] toType1BER(Properties config) throws PQFTranslationException {
         System.out.println("in CQLBooleanNode.toType1BER(): PQF=" +
                           toPQF(config));