Merge "Bug:1238 - Revert changes to SshClientAdapter."

[controller.git] / opendaylight / md-sal / sal-dom-broker / src / main / java / org / opendaylight / controller / md / sal / dom / store / impl / tree / data / NoopDataTreeCandidate.java

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 2ef85cbcb7e548cb6fa1ccd932e7dddbb651ace3..227684ae35ee1f6bdbc8685df670c9cc157881af 100644 (file)
--- 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