X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Forg%2Fz3950%2Fzing%2Fcql%2FCQLRelation.java;h=36fae4ad65c80adb0448894c7771bf0222c4d46f;hb=394625a21876d096000c4940049305c27de90321;hp=ff8db8f48c04eec4a17dc4fce933dc5ec6f40cf8;hpb=f8154c71944186a9b64ddb782082a2026c5a912f;p=cql-java-moved-to-github.git
diff --git a/src/org/z3950/zing/cql/CQLRelation.java b/src/org/z3950/zing/cql/CQLRelation.java
index ff8db8f..36fae4a 100644
--- a/src/org/z3950/zing/cql/CQLRelation.java
+++ b/src/org/z3950/zing/cql/CQLRelation.java
@@ -1,26 +1,64 @@
-// $Id: CQLRelation.java,v 1.2 2002-10-31 22:22:01 mike Exp $
+// $Id: CQLRelation.java,v 1.6 2002-11-17 23:29:02 mike Exp $
package org.z3950.zing.cql;
import java.util.Vector;
+import java.util.Properties;
import java.lang.StringBuffer;
/**
* Represents a relation between a CQL qualifier and term.
- * ##
*
- * @version $Id: CQLRelation.java,v 1.2 2002-10-31 22:22:01 mike Exp $
+ * @version $Id: CQLRelation.java,v 1.6 2002-11-17 23:29:02 mike Exp $
*/
public class CQLRelation extends CQLNode {
ModifierSet ms;
+ /**
+ * Creates a new CQLRelation with the specified base relation.
+ * Typical base relations include the usual six ordering relations
+ * (<=, >, etc.), the text
+ * relations any, all and exact and the
+ * server-choice relation scr.
+ */
public CQLRelation(String base) {
ms = new ModifierSet(base);
}
+ /**
+ * Returns the base relation with which the CQLRelation was
+ * originally created.
+ */
+ public String getBase() {
+ return ms.getBase();
+ }
+
+ /**
+ * Adds a new relation modifier to the specified CQLRelation.
+ * Typical relation modifiers include relevant,
+ * fuzzy, stem and phonetic. On the
+ * whole, these modifiers have a meaningful interpretation only
+ * for the text relations.
+ */
public void addModifier(String modifier) {
ms.addModifier(null, modifier);
}
+ /**
+ * Returns an array of the modifiers associated with a CQLRelation.
+ * @return
+ * An array of zero or more Strings, each representing a
+ * modifier associated with the specified CQLRelation.
+ */
+ 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");
}
@@ -28,4 +66,8 @@ public class CQLRelation extends CQLNode {
public String toCQL() {
return ms.toCQL();
}
+
+ public String toPQF(Properties config) throws PQFTranslationException {
+ throw new Error("CQLRelation.toPQF() can never be called");
+ }
}