X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-dom-broker%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fstore%2Fimpl%2Ftree%2Fdata%2FNoopDataTreeCandidate.java;h=227684ae35ee1f6bdbc8685df670c9cc157881af;hb=d3d2323ad9ad332d71dc6b956e4a3d3daa525902;hp=2ef85cbcb7e548cb6fa1ccd932e7dddbb651ace3;hpb=aefe82b158bc1694fe633053d04f2364bcbe67d9;p=controller.git

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/data/NoopDataTreeCandidate.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/data/NoopDataTreeCandidate.java
index 2ef85cbcb7..227684ae35 100644
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/data/NoopDataTreeCandidate.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/data/NoopDataTreeCandidate.java
@@ -18,6 +18,11 @@ import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 
+/**
+ * Internal utility class for an empty candidate. We instantiate this class
+ * for empty modifications, saving memory and processing speed. Instances
+ * of this class are explicitly recognized and processing of them is skipped.
+ */
 final class NoopDataTreeCandidate extends AbstractDataTreeCandidate {
     private static final DataTreeCandidateNode ROOT = new DataTreeCandidateNode() {
         @Override