Having InMemoryDOMDatastore in its own bundle.To make it configurable
[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
deleted file mode 100644 (file)
index 227684a..0000000
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.md.sal.dom.store.impl.tree.data;
-
-import java.util.Collections;
-
-import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataTreeCandidateNode;
-import org.opendaylight.controller.md.sal.dom.store.impl.tree.ModificationType;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
-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
-        public ModificationType getModificationType() {
-            return ModificationType.UNMODIFIED;
-        }
-
-        @Override
-        public Iterable<DataTreeCandidateNode> getChildNodes() {
-            return Collections.emptyList();
-        }
-
-        @Override
-        public PathArgument getIdentifier() {
-            throw new IllegalStateException("Attempted to read identifier of the no-operation change");
-        }
-
-        @Override
-        public Optional<NormalizedNode<?, ?>> getDataAfter() {
-            return Optional.absent();
-        }
-
-        @Override
-        public Optional<NormalizedNode<?, ?>> getDataBefore() {
-            return Optional.absent();
-        }
-    };
-
-    protected NoopDataTreeCandidate(final InstanceIdentifier rootPath, final ModifiedNode modificationRoot) {
-        super(rootPath);
-        Preconditions.checkArgument(modificationRoot.getType() == ModificationType.UNMODIFIED);
-    }
-
-    @Override
-    public DataTreeCandidateNode getRootNode() {
-        return ROOT;
-    }
-}