Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / org.argeo.slc.repo / src / org / argeo / slc / repo / NodeIndexerVisitor.java

diff --git a/org.argeo.slc.repo/src/org/argeo/slc/repo/NodeIndexerVisitor.java b/org.argeo.slc.repo/src/org/argeo/slc/repo/NodeIndexerVisitor.java
new file mode 100644 (file)
index 0000000..c0f90d1
--- /dev/null
+++ b/org.argeo.slc.repo/src/org/argeo/slc/repo/NodeIndexerVisitor.java
@@ -0,0 +1,48 @@
+package org.argeo.slc.repo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.jcr.ItemVisitor;
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.Property;
+import javax.jcr.RepositoryException;
+
+/**
+ * Recursively visit a sub tree and apply the list of node indexer on supported
+ * nodes.
+ */
+public class NodeIndexerVisitor implements ItemVisitor {
+       /** order may be important */
+       private List<NodeIndexer> nodeIndexers = new ArrayList<NodeIndexer>();
+
+       public NodeIndexerVisitor() {
+       }
+
+       /** Convenience constructor */
+       public NodeIndexerVisitor(NodeIndexer nodeIndexer) {
+               nodeIndexers.add(nodeIndexer);
+       }
+
+       public NodeIndexerVisitor(List<NodeIndexer> nodeIndexers) {
+               this.nodeIndexers = nodeIndexers;
+       }
+
+       public void visit(Node node) throws RepositoryException {
+               for (NodeIndexer nodeIndexer : nodeIndexers)
+                       if (nodeIndexer.support(node.getPath()))
+                               nodeIndexer.index(node);
+
+               for (NodeIterator it = node.getNodes(); it.hasNext();)
+                       visit(it.nextNode());
+       }
+
+       public void visit(Property property) throws RepositoryException {
+       }
+
+       public void setNodeIndexers(List<NodeIndexer> nodeIndexers) {
+               this.nodeIndexers = nodeIndexers;
+       }
+
+}