+++ /dev/null
-/*
- * 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;
-
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-
-import com.google.common.base.Optional;
-
-/**
- * Read-only snapshot of a {@link DataTree}. The snapshot is stable and isolated,
- * e.g. data tree changes occurring after the snapshot has been taken are not
- * visible through the snapshot.
- */
-public interface DataTreeSnapshot {
- /**
- * Read a particular node from the snapshot.
- *
- * @param path Path of the node
- * @return Optional result encapsulating the presence and value of the node
- */
- Optional<NormalizedNode<?, ?>> readNode(InstanceIdentifier path);
-
- /**
- * Create a new data tree modification based on this snapshot, using the
- * specified data application strategy.
- *
- * @param strategy data modification strategy
- * @return A new data tree modification
- */
- DataTreeModification newModification();
-}