package org.opendaylight.controller.cluster.datastore.utils;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ForwardingObject;
import java.io.IOException;
+import java.util.Optional;
import org.opendaylight.controller.cluster.datastore.node.utils.transformer.NormalizedNodePruner;
+import org.opendaylight.controller.cluster.datastore.util.AbstractDataTreeModificationCursor;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
/**
* The PruningDataTreeModification first removes all entries from the data which do not belong in the schemaContext
- * before delegating it to the actual DataTreeModification
+ * before delegating it to the actual DataTreeModification.
*/
-public class PruningDataTreeModification implements DataTreeModification {
+public class PruningDataTreeModification extends ForwardingObject implements DataTreeModification {
private static final Logger LOG = LoggerFactory.getLogger(PruningDataTreeModification.class);
private DataTreeModification delegate;
private final SchemaContext schemaContext;
private final DataTree dataTree;
- public PruningDataTreeModification(DataTreeModification delegate, DataTree dataTree, SchemaContext schemaContext) {
- this.delegate = delegate;
- this.dataTree = dataTree;
- this.schemaContext = schemaContext;
+ public PruningDataTreeModification(final DataTreeModification delegate, final DataTree dataTree,
+ final SchemaContext schemaContext) {
+ this.delegate = Preconditions.checkNotNull(delegate);
+ this.dataTree = Preconditions.checkNotNull(dataTree);
+ this.schemaContext = Preconditions.checkNotNull(schemaContext);
}
@Override
- public void delete(YangInstanceIdentifier yangInstanceIdentifier) {
+ public DataTreeModification delegate() {
+ return delegate;
+ }
+
+ @Override
+ public void delete(final YangInstanceIdentifier yangInstanceIdentifier) {
try {
delegate.delete(yangInstanceIdentifier);
- } catch(SchemaValidationFailedException e){
+ } catch (SchemaValidationFailedException e) {
LOG.warn("Node at path : {} does not exist ignoring delete", yangInstanceIdentifier);
}
}
@Override
- public void merge(YangInstanceIdentifier yangInstanceIdentifier, NormalizedNode<?, ?> normalizedNode) {
+ public void merge(final YangInstanceIdentifier yangInstanceIdentifier, final NormalizedNode<?, ?> normalizedNode) {
try {
- if(YangInstanceIdentifier.EMPTY.equals(yangInstanceIdentifier)){
+ if (YangInstanceIdentifier.EMPTY.equals(yangInstanceIdentifier)) {
pruneAndMergeNode(yangInstanceIdentifier, normalizedNode);
} else {
delegate.merge(yangInstanceIdentifier, normalizedNode);
}
- } catch (SchemaValidationFailedException e){
+ } catch (SchemaValidationFailedException e) {
LOG.warn("Node at path {} was pruned during merge due to validation error: {}",
yangInstanceIdentifier, e.getMessage());
}
- private void pruneAndMergeNode(YangInstanceIdentifier yangInstanceIdentifier, NormalizedNode<?, ?> normalizedNode) {
+ private void pruneAndMergeNode(final YangInstanceIdentifier yangInstanceIdentifier,
+ final NormalizedNode<?, ?> normalizedNode) {
NormalizedNode<?,?> pruned = pruneNormalizedNode(yangInstanceIdentifier, normalizedNode);
- if(pruned != null) {
+ if (pruned != null) {
delegate.merge(yangInstanceIdentifier, pruned);
}
}
@Override
- public void write(YangInstanceIdentifier yangInstanceIdentifier, NormalizedNode<?, ?> normalizedNode) {
+ public void write(final YangInstanceIdentifier yangInstanceIdentifier, final NormalizedNode<?, ?> normalizedNode) {
try {
- if(YangInstanceIdentifier.EMPTY.equals(yangInstanceIdentifier)){
+ if (YangInstanceIdentifier.EMPTY.equals(yangInstanceIdentifier)) {
pruneAndWriteNode(yangInstanceIdentifier, normalizedNode);
} else {
delegate.write(yangInstanceIdentifier, normalizedNode);
}
- } catch (SchemaValidationFailedException e){
+ } catch (SchemaValidationFailedException e) {
LOG.warn("Node at path : {} was pruned during write due to validation error: {}",
yangInstanceIdentifier, e.getMessage());
}
}
- private void pruneAndWriteNode(YangInstanceIdentifier yangInstanceIdentifier, NormalizedNode<?, ?> normalizedNode) {
+ private void pruneAndWriteNode(final YangInstanceIdentifier yangInstanceIdentifier,
+ final NormalizedNode<?, ?> normalizedNode) {
NormalizedNode<?,?> pruned = pruneNormalizedNode(yangInstanceIdentifier, normalizedNode);
- if(pruned != null) {
+ if (pruned != null) {
delegate.write(yangInstanceIdentifier, pruned);
}
}
}
@Override
- public void applyToCursor(DataTreeModificationCursor dataTreeModificationCursor) {
+ public void applyToCursor(final DataTreeModificationCursor dataTreeModificationCursor) {
delegate.applyToCursor(dataTreeModificationCursor);
}
@Override
- public Optional<NormalizedNode<?, ?>> readNode(YangInstanceIdentifier yangInstanceIdentifier) {
+ public Optional<NormalizedNode<?, ?>> readNode(final YangInstanceIdentifier yangInstanceIdentifier) {
return delegate.readNode(yangInstanceIdentifier);
}
}
@VisibleForTesting
- NormalizedNode<?, ?> pruneNormalizedNode(YangInstanceIdentifier path, NormalizedNode<?,?> input) {
+ NormalizedNode<?, ?> pruneNormalizedNode(final YangInstanceIdentifier path, final NormalizedNode<?,?> input) {
NormalizedNodePruner pruner = new NormalizedNodePruner(path, schemaContext);
try {
NormalizedNodeWriter.forStreamWriter(pruner).write(input);
return pruner.normalizedNode();
}
- public DataTreeModification getResultingModification(){
- return delegate;
- }
-
private static class PruningDataTreeModificationCursor extends AbstractDataTreeModificationCursor {
private final DataTreeModification toModification;
private final PruningDataTreeModification pruningModification;
- PruningDataTreeModificationCursor(DataTreeModification toModification,
- PruningDataTreeModification pruningModification) {
+ PruningDataTreeModificationCursor(final DataTreeModification toModification,
+ final PruningDataTreeModification pruningModification) {
this.toModification = toModification;
this.pruningModification = pruningModification;
}
@Override
- public void write(PathArgument child, NormalizedNode<?, ?> data) {
- YangInstanceIdentifier path = next(child);
+ public void write(final PathArgument child, final NormalizedNode<?, ?> data) {
+ YangInstanceIdentifier path = current().node(child);
NormalizedNode<?, ?> prunedNode = pruningModification.pruneNormalizedNode(path, data);
- if(prunedNode != null) {
+ if (prunedNode != null) {
toModification.write(path, prunedNode);
}
}
@Override
- public void merge(PathArgument child, NormalizedNode<?, ?> data) {
- YangInstanceIdentifier path = next(child);
+ public void merge(final PathArgument child, final NormalizedNode<?, ?> data) {
+ YangInstanceIdentifier path = current().node(child);
NormalizedNode<?, ?> prunedNode = pruningModification.pruneNormalizedNode(path, data);
- if(prunedNode != null) {
+ if (prunedNode != null) {
toModification.merge(path, prunedNode);
}
}
@Override
- public void delete(PathArgument child) {
+ public void delete(final PathArgument child) {
try {
- toModification.delete(next(child));
- } catch(SchemaValidationFailedException e) {
+ toModification.delete(current().node(child));
+ } catch (SchemaValidationFailedException e) {
// Ignoring since we would've already logged this in the call to the original modification.
}
}