*/
package org.opendaylight.yangtools.yang.data.impl.schema.tree;
-import com.google.common.base.Objects;
-import com.google.common.base.Optional;
+import com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
-import java.util.Collections;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
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.tree.DataTree;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
+import org.opendaylight.yangtools.yang.data.util.DataSchemaContextNode;
+import org.opendaylight.yangtools.yang.data.util.DataSchemaContextTree;
+import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Read-only snapshot of the data tree.
*/
-final class InMemoryDataTree implements DataTree {
- private static final YangInstanceIdentifier PUBLIC_ROOT_PATH = YangInstanceIdentifier.create(Collections.<PathArgument>emptyList());
+final class InMemoryDataTree extends AbstractDataTreeTip implements TipProducingDataTree {
private static final AtomicReferenceFieldUpdater<InMemoryDataTree, DataTreeState> STATE_UPDATER =
AtomicReferenceFieldUpdater.newUpdater(InMemoryDataTree.class, DataTreeState.class, "state");
private static final Logger LOG = LoggerFactory.getLogger(InMemoryDataTree.class);
+ private final YangInstanceIdentifier rootPath;
+ private final TreeType treeType;
+
/**
* Current data store state generation.
*/
private volatile DataTreeState state;
- public InMemoryDataTree(final TreeNode rootNode, final SchemaContext schemaContext) {
+ public InMemoryDataTree(final TreeNode rootNode, final TreeType treeType, final YangInstanceIdentifier rootPath, final SchemaContext schemaContext) {
+ this.treeType = Preconditions.checkNotNull(treeType, "treeType");
+ this.rootPath = Preconditions.checkNotNull(rootPath, "rootPath");
state = DataTreeState.createInitial(rootNode);
if (schemaContext != null) {
setSchemaContext(schemaContext);
public synchronized void setSchemaContext(final SchemaContext newSchemaContext) {
Preconditions.checkNotNull(newSchemaContext);
- LOG.info("Attempting to install schema contexts");
LOG.debug("Following schema contexts will be attempted {}", newSchemaContext);
- final SchemaAwareApplyOperation operation = SchemaAwareApplyOperation.from(newSchemaContext);
+ final DataSchemaContextTree contextTree = DataSchemaContextTree.from(newSchemaContext);
+ final DataSchemaContextNode<?> rootContextNode = contextTree.getChild(rootPath);
+ if (rootContextNode == null) {
+ LOG.debug("Could not find root {} in new schema context, not upgrading", rootPath);
+ return;
+ }
+
+ final DataSchemaNode rootSchemaNode = rootContextNode.getDataSchemaNode();
+ if (!(rootSchemaNode instanceof DataNodeContainer)) {
+ LOG.warn("Root {} resolves to non-container type {}, not upgrading", rootPath, rootSchemaNode);
+ return;
+ }
+
+ final ModificationApplyOperation rootNode;
+ if (rootSchemaNode instanceof ContainerSchemaNode) {
+ // FIXME: real root needs to enfore presence, but that require pre-population
+ rootNode = new ContainerModificationStrategy((ContainerSchemaNode) rootSchemaNode, treeType);
+ } else {
+ rootNode = SchemaAwareApplyOperation.from(rootSchemaNode, treeType);
+ }
DataTreeState currentState, newState;
do {
currentState = state;
- newState = currentState.withSchemaContext(newSchemaContext, operation);
+ newState = currentState.withSchemaContext(newSchemaContext, rootNode);
} while (!STATE_UPDATER.compareAndSet(this, currentState, newState));
}
return state.newSnapshot();
}
- @Override
- public void validate(final DataTreeModification modification) throws DataValidationFailedException {
- Preconditions.checkArgument(modification instanceof InMemoryDataTreeModification, "Invalid modification class %s", modification.getClass());
- final InMemoryDataTreeModification m = (InMemoryDataTreeModification)modification;
-
- m.getStrategy().checkApplicable(PUBLIC_ROOT_PATH, m.getRootModification(), Optional.<TreeNode>of(state.getRoot()));
- }
-
- @Override
- public DataTreeCandidate prepare(final DataTreeModification modification) {
- Preconditions.checkArgument(modification instanceof InMemoryDataTreeModification, "Invalid modification class %s", modification.getClass());
-
- final InMemoryDataTreeModification m = (InMemoryDataTreeModification)modification;
- final ModifiedNode root = m.getRootModification();
-
- if (root.getType() == ModificationType.UNMODIFIED) {
- return new NoopDataTreeCandidate(PUBLIC_ROOT_PATH, root);
- }
-
- final TreeNode currentRoot = state.getRoot();
- final Optional<TreeNode> newRoot = m.getStrategy().apply(m.getRootModification(),
- Optional.<TreeNode>of(currentRoot), m.getVersion());
- Preconditions.checkState(newRoot.isPresent(), "Apply strategy failed to produce root node");
- return new InMemoryDataTreeCandidate(PUBLIC_ROOT_PATH, root, currentRoot, newRoot.get());
- }
-
@Override
public void commit(final DataTreeCandidate candidate) {
if (candidate instanceof NoopDataTreeCandidate) {
return;
}
-
Preconditions.checkArgument(candidate instanceof InMemoryDataTreeCandidate, "Invalid candidate class %s", candidate.getClass());
final InMemoryDataTreeCandidate c = (InMemoryDataTreeCandidate)candidate;
if (LOG.isTraceEnabled()) {
- LOG.trace("Data Tree is {}", StoreUtils.toStringTree(c.getAfterRoot().getData()));
+ LOG.trace("Data Tree is {}", NormalizedNodes.toStringTree(c.getTipRoot().getData()));
}
- final TreeNode newRoot = c.getAfterRoot();
+ final TreeNode newRoot = c.getTipRoot();
DataTreeState currentState, newState;
do {
currentState = state;
} while (!STATE_UPDATER.compareAndSet(this, currentState, newState));
}
+ @Override
+ public YangInstanceIdentifier getRootPath() {
+ return rootPath;
+ }
+
@Override
public String toString() {
- return Objects.toStringHelper(this).add("object", super.toString()).add("state", state).toString();
+ return MoreObjects.toStringHelper(this).
+ add("object", super.toString()).
+ add("rootPath", rootPath).
+ add("state", state).
+ toString();
+ }
+
+ @Override
+ protected TreeNode getTipRoot() {
+ return state.getRoot();
}
}