*/
package org.opendaylight.yangtools.yang.data.impl.schema.tree;
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.base.MoreObjects;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import java.util.Collections;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
+import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
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.DataTreeConfiguration;
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.ListSchemaNode;
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 DataTree {
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 DataTreeConfiguration treeConfig;
+ private final boolean maskMandatory;
+
/**
* Current data store state generation.
*/
private volatile DataTreeState state;
- public InMemoryDataTree(final TreeNode rootNode, final SchemaContext schemaContext) {
+ InMemoryDataTree(final TreeNode rootNode, final DataTreeConfiguration treeConfig,
+ final SchemaContext schemaContext) {
+ this.treeConfig = requireNonNull(treeConfig, "treeConfig");
+ maskMandatory = true;
state = DataTreeState.createInitial(rootNode);
if (schemaContext != null) {
setSchemaContext(schemaContext);
}
}
+ InMemoryDataTree(final TreeNode rootNode, final DataTreeConfiguration treeConfig,
+ final SchemaContext schemaContext, final DataSchemaNode rootSchemaNode, final boolean maskMandatory) {
+ this.treeConfig = requireNonNull(treeConfig, "treeConfig");
+ this.maskMandatory = maskMandatory;
+
+ state = DataTreeState.createInitial(rootNode).withSchemaContext(schemaContext, getOperation(rootSchemaNode));
+ }
+
+ private ModificationApplyOperation getOperation(final DataSchemaNode rootSchemaNode) {
+ if (rootSchemaNode instanceof ContainerSchemaNode && maskMandatory) {
+ return new ContainerModificationStrategy((ContainerSchemaNode) rootSchemaNode, treeConfig);
+ }
+ if (rootSchemaNode instanceof ListSchemaNode) {
+ final PathArgument arg = treeConfig.getRootPath().getLastPathArgument();
+ if (arg instanceof NodeIdentifierWithPredicates) {
+ return maskMandatory ? new ListEntryModificationStrategy((ListSchemaNode) rootSchemaNode, treeConfig)
+ : ListEntryModificationStrategy.of((ListSchemaNode) rootSchemaNode, treeConfig);
+ }
+ }
+
+ return SchemaAwareApplyOperation.from(rootSchemaNode, treeConfig);
+ }
+
/*
* This method is synchronized to guard against user attempting to install
* multiple contexts. Otherwise it runs in a lock-free manner.
*/
@Override
public synchronized void setSchemaContext(final SchemaContext newSchemaContext) {
- Preconditions.checkNotNull(newSchemaContext);
+ requireNonNull(newSchemaContext);
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(getRootPath());
+ if (rootContextNode == null) {
+ LOG.warn("Could not find root {} in new schema context, not upgrading", getRootPath());
+ return;
+ }
- DataTreeState currentState, newState;
+ final DataSchemaNode rootSchemaNode = rootContextNode.getDataSchemaNode();
+ if (!(rootSchemaNode instanceof DataNodeContainer)) {
+ LOG.warn("Root {} resolves to non-container type {}, not upgrading", getRootPath(), rootSchemaNode);
+ return;
+ }
+
+ final ModificationApplyOperation rootNode = getOperation(rootSchemaNode);
+ DataTreeState currentState;
+ DataTreeState 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.getOperation() == LogicalOperation.NONE) {
- 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());
+ checkArgument(candidate instanceof InMemoryDataTreeCandidate, "Invalid candidate class %s",
+ candidate.getClass());
final InMemoryDataTreeCandidate c = (InMemoryDataTreeCandidate)candidate;
if (LOG.isTraceEnabled()) {
- LOG.trace("Data Tree is {}", NormalizedNodes.toStringTree(c.getAfterRoot().getData()));
+ LOG.trace("Data Tree is {}", NormalizedNodes.toStringTree(c.getTipRoot().getData()));
}
- final TreeNode newRoot = c.getAfterRoot();
- DataTreeState currentState, newState;
+ final TreeNode newRoot = c.getTipRoot();
+ DataTreeState currentState;
+ DataTreeState newState;
do {
currentState = state;
final TreeNode currentRoot = currentState.getRoot();
LOG.debug("Updating datastore from {} to {}", currentRoot, newRoot);
final TreeNode oldRoot = c.getBeforeRoot();
- Preconditions.checkState(oldRoot == currentRoot, "Store tree %s and candidate base %s differ.", currentRoot, oldRoot);
+ if (oldRoot != currentRoot) {
+ final String oldStr = simpleToString(oldRoot);
+ final String currentStr = simpleToString(currentRoot);
+ throw new IllegalStateException("Store tree " + currentStr + " and candidate base " + oldStr
+ + " differ.");
+ }
newState = currentState.withRoot(newRoot);
LOG.trace("Updated state from {} to {}", currentState, newState);
} while (!STATE_UPDATER.compareAndSet(this, currentState, newState));
}
+ private static String simpleToString(final Object obj) {
+ return obj.getClass().getName() + "@" + Integer.toHexString(obj.hashCode());
+ }
+
+ @Override
+ public YangInstanceIdentifier getRootPath() {
+ return treeConfig.getRootPath();
+ }
+
@Override
public String toString() {
- return MoreObjects.toStringHelper(this).add("object", super.toString()).add("state", state).toString();
+ return MoreObjects.toStringHelper(this)
+ .add("object", super.toString())
+ .add("config", treeConfig)
+ .add("state", state)
+ .toString();
+ }
+
+ @Override
+ @Nonnull
+ protected TreeNode getTipRoot() {
+ return state.getRoot();
}
}
Code Review / yangtools.git / blobdiff