Update of /var/cvs/src/org/mmbase/bridge/util
In directory james.mmbase.org:/tmp/cvs-serv15432
Modified Files:
Tag: MMBase-1_8
Queries.java
Log Message:
also added a 'removeFromResult'
See also: http://cvs.mmbase.org/viewcvs/src/org/mmbase/bridge/util
Index: Queries.java
===================================================================
RCS file: /var/cvs/src/org/mmbase/bridge/util/Queries.java,v
retrieving revision 1.77.2.8
retrieving revision 1.77.2.9
diff -u -b -r1.77.2.8 -r1.77.2.9
--- Queries.java 1 Apr 2008 12:00:02 -0000 1.77.2.8
+++ Queries.java 14 Apr 2008 15:27:48 -0000 1.77.2.9
@@ -17,6 +17,8 @@
import org.mmbase.module.core.MMBase;
import org.mmbase.storage.search.*;
import org.mmbase.storage.search.implementation.BasicSortOrder;
+import org.mmbase.storage.search.implementation.BasicStep;
+import org.mmbase.storage.search.implementation.BasicStepField;
import org.mmbase.storage.search.legacy.ConstraintParser;
import org.mmbase.util.*;
import org.mmbase.util.logging.*;
@@ -27,7 +29,7 @@
* methods are put here.
*
* @author Michiel Meeuwissen
- * @version $Id: Queries.java,v 1.77.2.8 2008/04/01 12:00:02 michiel Exp $
+ * @version $Id: Queries.java,v 1.77.2.9 2008/04/14 15:27:48 michiel Exp $
* @see org.mmbase.bridge.Query
* @since MMBase-1.7
*/
@@ -1317,7 +1319,7 @@
Cloud cloud = n.getCloud();
SortedSet startNodes = startStep.getNodes();
NodeManager nextManager = cloud.getNodeManager(((Step) steps.get(start
+ 2)).getTableName());
- if (startNodes.size() > 0 && (nextManager.equals(n.getNodeManager())
|| nextManager.getDescendants().contains(nextManager))) {
+ if (startNodes.size() > 0 && (nextManager.equals(n.getNodeManager())
|| nextManager.getDescendants().contains(n.getNodeManager()))) {
Node startNode = cloud.getNode(((Integer)
startNodes.iterator().next()).intValue());
RelationStep rel = (RelationStep) steps.get(start + 1);
String role =
cloud.getNode(rel.getRole().intValue()).getStringValue("sname");
@@ -1336,10 +1338,64 @@
}
return result;
} else {
+ // deeper queries not yet supported
throw new UnsupportedOperationException();
}
}
+
+ /**
+ * Explores a query object, and creates a certain new relation object,
which would make the
+ * given node appear in the query's result.
+ *
+ * You can read this as 'the query object is a related nodes query, and is
used to contain information
+ * about the relation (role, startnodes)'. This currently is also the only
implemented part of
+ * this method.
+
+ * @throw UnsupportedOperationException If it cannot be determined how the
node should be related.
+ *
+ * @since MMBase-1.8.6
+ * @returns Newly created node(s)
+ */
+ public static NodeList removeFromResult(Query q, Node n) {
+ List steps = q.getSteps();
+
+ if (steps.size() < 3) throw new UnsupportedOperationException();
+
+ NodeList result = q.getCloud().createNodeList();
+
+ // First, try if the node is related to a startNode.
+ int start = 0;
+ Step startStep = (Step) steps.get(start);
+ Cloud cloud = n.getCloud();
+ for (int step = 2; step < steps.size(); step += 2) {
+ Step nextStep = (Step) steps.get(step);
+ NodeManager manager =
cloud.getNodeManager(nextStep.getTableName());
+ if (manager.equals(n.getNodeManager()) ||
manager.getDescendants().contains(n.getNodeManager())) {
+ Query clone = q.cloneWithoutFields();
+ BasicStep nextStepClone = (BasicStep)
clone.getSteps().get(step);
+ nextStepClone.addNode(n.getNumber());
+ RelationStep relationStep = (RelationStep)
clone.getSteps().get(step - 1); // (also + 1?)
+ BasicStepField relField = (BasicStepField)
clone.addField(relationStep,
cloud.getNodeManager(relationStep.getTableName()).getField("number"));
+ String alias = relField.getAlias();
+ if (alias == null) {
+ alias = relationStep.getAlias() + ".number";
+ }
+ NodeList list = cloud.getList(clone);
+ NodeIterator ni = list.nodeIterator();
+ while (ni.hasNext()) {
+ Node virtual = ni.nextNode();
+ Node r = cloud.getNode(virtual.getIntValue(alias));
+ result.add(r);
+ r.delete();
+
+ }
+
+ }
+ }
+ return result;
+ }
+
public static void main(String[] argv) {
System.out.println(ConstraintParser.convertClauseToDBS("(([cpsettings.status]='[A]'
OR [cpsettings.status]='I') AND [users.account] != '') and
(lower([users.account]) LIKE '%t[est%' OR lower([users.email]) LIKE '%te]st%'
OR lower([users.firstname]) LIKE '%t[e]st%' OR lower([users.lastname]) LIKE
'%]test%')"));
}
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