+++ /dev/null
-/*
- * Copyright (c) 2015 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.yangtools.yang.data.impl.schema.tree;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Preconditions.checkState;
-
-import java.util.Optional;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeTip;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
-import org.opendaylight.yangtools.yang.data.spi.tree.TreeNode;
-
-abstract class AbstractDataTreeTip implements DataTreeTip {
- /**
- * Return the current root node of this tip.
- *
- * @return Current tip root node, may not be null.
- */
- protected abstract @NonNull TreeNode getTipRoot();
-
- abstract @NonNull YangInstanceIdentifier getRootPath();
-
- @Override
- public final void validate(final DataTreeModification modification) throws DataValidationFailedException {
- final InMemoryDataTreeModification m = checkedCast(modification);
- checkArgument(m.isSealed(), "Attempted to verify unsealed modification %s", m);
-
- m.getStrategy().checkApplicable(new ModificationPath(getRootPath()), m.getRootModification(),
- Optional.of(getTipRoot()), m.getVersion());
- }
-
- @Override
- public final DataTreeCandidateTip prepare(final DataTreeModification modification) {
- final InMemoryDataTreeModification m = checkedCast(modification);
- checkArgument(m.isSealed(), "Attempted to prepare unsealed modification %s", m);
-
- final ModifiedNode root = m.getRootModification();
-
- final TreeNode currentRoot = getTipRoot();
- if (root.getOperation() == LogicalOperation.NONE) {
- return new NoopDataTreeCandidate(YangInstanceIdentifier.empty(), root, currentRoot);
- }
-
- final Optional<? extends TreeNode> newRoot = m.getStrategy().apply(m.getRootModification(),
- Optional.of(currentRoot), m.getVersion());
- checkState(newRoot.isPresent(), "Apply strategy failed to produce root node for modification %s", modification);
- return new InMemoryDataTreeCandidate(YangInstanceIdentifier.empty(), root, currentRoot, newRoot.get());
- }
-
- private static InMemoryDataTreeModification checkedCast(final DataTreeModification mod) {
- checkArgument(mod instanceof InMemoryDataTreeModification, "Invalid modification class %s", mod.getClass());
- return (InMemoryDataTreeModification)mod;
- }
-}