+++ /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.model.api.SchemaContext;
-
-/**
- * Interface representing a data tree which can be modified in an MVCC fashion.
- */
-public interface DataTree {
- /**
- * Take a read-only point-in-time snapshot of the tree.
- *
- * @return Data tree snapshot.
- */
- DataTreeSnapshot takeSnapshot();
-
- /**
- * Make the data tree use a new schema context. The context will be used
- * only by subsequent operations.
- *
- * @param newSchemaContext new SchemaContext
- * @throws IllegalArgumentException if the new context is incompatible
- */
- void setSchemaContext(SchemaContext newSchemaContext);
-
- /**
- * Validate whether a particular modification can be applied to the data tree.
- */
- void validate(DataTreeModification modification) throws DataValidationFailedException;
-
- /**
- * Prepare a modification for commit.
- *
- * @param modification
- * @return candidate data tree
- */
- DataTreeCandidate prepare(DataTreeModification modification);
-
- /**
- * Commit a data tree candidate.
- *
- * @param candidate data tree candidate
- */
- void commit(DataTreeCandidate candidate);
-}