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diff --git a/org.argeo.cms.e4/src/org/argeo/cms/e4/monitoring/BundleNode.java b/org.argeo.cms.e4/src/org/argeo/cms/e4/monitoring/BundleNode.java
new file mode 100644
index 000000000..962ad386e
--- /dev/null
+++ b/org.argeo.cms.e4/src/org/argeo/cms/e4/monitoring/BundleNode.java
@@ -0,0 +1,46 @@
+package org.argeo.cms.e4.monitoring;
+
+import org.argeo.eclipse.ui.TreeParent;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.ServiceReference;
+
+/** A tree element representing a {@link Bundle} */
+class BundleNode extends TreeParent {
+	private final Bundle bundle;
+
+	public BundleNode(Bundle bundle) {
+		this(bundle, false);
+	}
+
+	@SuppressWarnings("rawtypes")
+	public BundleNode(Bundle bundle, boolean hasChildren) {
+		super(bundle.getSymbolicName());
+		this.bundle = bundle;
+
+		if (hasChildren) {
+			// REFERENCES
+			ServiceReference[] usedServices = bundle.getServicesInUse();
+			if (usedServices != null) {
+				for (ServiceReference sr : usedServices) {
+					if (sr != null)
+						addChild(new ServiceReferenceNode(sr, false));
+				}
+			}
+
+			// SERVICES
+			ServiceReference[] registeredServices = bundle
+					.getRegisteredServices();
+			if (registeredServices != null) {
+				for (ServiceReference sr : registeredServices) {
+					if (sr != null)
+						addChild(new ServiceReferenceNode(sr, true));
+				}
+			}
+		}
+
+	}
+
+	Bundle getBundle() {
+		return bundle;
+	}
+}