Update of /var/cvs/src/org/mmbase/datatypes/processors
In directory james.mmbase.org:/tmp/cvs-serv14177
Modified Files:
Related.java
Log Message:
did not quite work yet
See also: http://cvs.mmbase.org/viewcvs/src/org/mmbase/datatypes/processors
Index: Related.java
===================================================================
RCS file: /var/cvs/src/org/mmbase/datatypes/processors/Related.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -b -r1.3 -r1.4
--- Related.java 11 Nov 2008 13:29:34 -0000 1.3
+++ Related.java 11 Nov 2008 18:34:21 -0000 1.4
@@ -16,19 +16,21 @@
import org.mmbase.util.logging.*;
/**
- * The set- and get- processors implemented in this file can be used to make a
virtual node field which
- * act as one related node. Often you could just as well use a real node field.
+ * The set- and get- processors implemented in this file can be used to make a
virtual field which
+ * act as a a node field, but actually is a related node.
+ *
+ * In case just one related node is desired, this makes it easy to just create
a drop-down for it.
*
* @author Michiel Meeuwissen
* @since MMBase-1.8.7
- * @version $Id: Related.java,v 1.3 2008/11/11 13:29:34 michiel Exp $
+ * @version $Id: Related.java,v 1.4 2008/11/11 18:34:21 michiel Exp $
*/
public class Related {
private static final Logger log = Logging.getLoggerInstance(Related.class);
- private static abstract class AbstractProcessor implements Processor {
+ public abstract static class AbstractProcessor implements Processor {
protected String role = "related";
protected String type = "object";
@@ -48,25 +50,35 @@
private static final long serialVersionUID = 1L;
public Object process(Node node, Field field, Object value) {
- if (node.getChanged().contains(field.getName())) {
- RelationList nl = node.getRelations(role,
node.getCloud().getNodeManager(type), searchDir);
- for (Relation r : nl) {
- r.delete();
+ if (log.isDebugEnabled()) {
+ log.debug("Setting " + value);
}
+ RelationList rl = node.getRelations(role,
node.getCloud().getNodeManager(type), searchDir);
+
if (value != null) {
Cloud cloud = node.getCloud();
+ Node dest = Casting.toNode(value, cloud);
+ NodeList nl = node.getRelatedNodes(type, role, searchDir);
+ if (nl.contains(dest)) {
+ // nothing changed
+ } else {
+ for (Relation r : rl) {
+ r.delete();
+ }
RelationManager rel =
cloud.getRelationManager(node.getNodeManager(),
cloud.getNodeManager(type),
role);
- Node dest = Casting.toNode(value, node.getCloud());
- node.createRelation(dest, rel);
+ Relation newrel = node.createRelation(dest, rel);
+ newrel.commit();
+ }
return dest;
} else {
- return null;
+ for (Relation r : rl) {
+ r.delete();
}
- } else {
- return value;
+ return null;
}
+
}
}
@@ -74,6 +86,9 @@
private static final long serialVersionUID = 1L;
public Object process(Node node, Field field, Object value) {
+ if (log.isDebugEnabled()) {
+ log.debug("getting " + node);
+ }
NodeList nl = node.getRelatedNodes(type, role, searchDir);
if (nl.size() == 0) {
return null;
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