-// $Id: CQLNode.java,v 1.13 2002-11-08 16:32:01 mike Exp $
+// $Id: CQLNode.java,v 1.14 2002-11-17 23:29:02 mike Exp $
package org.z3950.zing.cql;
import java.util.Properties;
/**
* Represents a node in a CQL parse-tree.
*
- * @version $Id: CQLNode.java,v 1.13 2002-11-08 16:32:01 mike Exp $
+ * @version $Id: CQLNode.java,v 1.14 2002-11-17 23:29:02 mike Exp $
*/
public abstract class CQLNode {
CQLNode() {} // prevent javadoc from documenting this
* >Chapter 7 (Supporting Tools)</A> of the
* <A href="http://indexdata.dk/yaz/">YAZ</A> manual.
* <P>
+ * @param config
+ * A <TT>Properties</TT> object containing configuration
+ * information that specifies the mapping from CQL qualifiers,
+ * relations, etc. to Type-1 attributes. The mapping
+ * specification is described in the cql-java distribution's
+ * sample PQF-mapping configuration file,
+ * <TT>etc/pqf.properties</TT>, which see.
* @return
* A String containing a PQF query equivalent to the parse-tree
* whose root is this node. This may be fed into the tool of