+++ /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.binding.impl;
-
-import java.util.Collections;
-import java.util.Map.Entry;
-
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.Identifiable;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.base.Optional;
-import com.google.common.collect.Iterables;
-import com.google.common.util.concurrent.CheckedFuture;
-
-/**
- *
- * Abstract Base Transaction for transactions which are backed by
- * {@link DOMDataWriteTransaction}
- */
-public class AbstractWriteTransaction<T extends DOMDataWriteTransaction> extends
- AbstractForwardedTransaction<T> {
-
- private static final Logger LOG = LoggerFactory.getLogger(AbstractWriteTransaction.class);
-
- protected AbstractWriteTransaction(final T delegate,
- final BindingToNormalizedNodeCodec codec) {
- super(delegate, codec);
- }
-
- protected final void doPut(final LogicalDatastoreType store,
- final InstanceIdentifier<?> path, final DataObject data) {
- final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> normalized = getCodec()
- .toNormalizedNode(path, data);
- ensureListParentIfNeeded(store,path,normalized);
- getDelegate().put(store, normalized.getKey(), normalized.getValue());
- }
-
-
- /**
- *
- * Ensures list parent if item is list, otherwise noop.
- *
- * <p>
- * One of properties of binding specification is that it is imposible
- * to represent list as a whole and thus it is impossible to write
- * empty variation of MapNode without creating parent node, with
- * empty list.
- *
- * <p>
- * This actually makes writes such as
- * <pre>
- * put("Nodes", new NodesBuilder().build());
- * put("Nodes/Node[key]", new NodeBuilder().setKey("key").build());
- * </pre>
- * To result in three DOM operations:
- * <pre>
- * put("/nodes",domNodes);
- * merge("/nodes/node",domNodeList);
- * put("/nodes/node/node[key]",domNode);
- * </pre>
- *
- *
- * In order to allow that to be inserted if necessary, if we know
- * item is list item, we will try to merge empty MapNode or OrderedNodeMap
- * to ensure list exists.
- *
- * @param store Data Store type
- * @param path Path to data (Binding Aware)
- * @param normalized Normalized version of data to be written
- */
- private void ensureListParentIfNeeded(final LogicalDatastoreType store, final InstanceIdentifier<?> path,
- final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> normalized) {
- if(Identifiable.class.isAssignableFrom(path.getTargetType())) {
- org.opendaylight.yangtools.yang.data.api.InstanceIdentifier parentMapPath = getParent(normalized.getKey()).get();
- NormalizedNode<?, ?> emptyParent = getCodec().getDefaultNodeFor(parentMapPath);
- getDelegate().merge(store, parentMapPath, emptyParent);
- }
-
- }
-
- // FIXME (should be probaly part of InstanceIdentifier)
- protected static Optional<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier> getParent(
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier child) {
-
- Iterable<PathArgument> mapEntryItemPath = child.getPathArguments();
- int parentPathSize = Iterables.size(mapEntryItemPath) - 1;
- if(parentPathSize > 1) {
- return Optional.of(org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.create(Iterables.limit(mapEntryItemPath, parentPathSize)));
- } else if(parentPathSize == 0) {
- return Optional.of(org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.create(Collections.<PathArgument>emptyList()));
- } else {
- return Optional.absent();
- }
- }
-
- protected final void doMerge(final LogicalDatastoreType store,
- final InstanceIdentifier<?> path, final DataObject data) {
-
- final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> normalized = getCodec()
- .toNormalizedNode(path, data);
- ensureListParentIfNeeded(store,path,normalized);
- getDelegate().merge(store, normalized.getKey(), normalized.getValue());
- }
-
- protected final void doDelete(final LogicalDatastoreType store,
- final InstanceIdentifier<?> path) {
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized = getCodec().toNormalized(path);
- getDelegate().delete(store, normalized);
- }
-
- protected final CheckedFuture<Void,TransactionCommitFailedException> doSubmit() {
- return getDelegate().submit();
- }
-
- protected final boolean doCancel() {
- return getDelegate().cancel();
- }
-
-}
Code Review / controller.git / blobdiff