import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataTree;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataTreeCandidate;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataTreeModification;
+import org.opendaylight.controller.md.sal.dom.store.impl.tree.ModificationType;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.StoreUtils;
import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
private static final InstanceIdentifier PUBLIC_ROOT_PATH = InstanceIdentifier.builder().build();
private final ReadWriteLock rwLock = new ReentrantReadWriteLock(true);
- private StoreMetadataNode rootNode;
+ private ModificationApplyOperation applyOper = new AlwaysFailOperation();
private SchemaContext currentSchemaContext;
+ private StoreMetadataNode rootNode;
public InMemoryDataTree(StoreMetadataNode rootNode, final SchemaContext schemaContext) {
this.rootNode = Preconditions.checkNotNull(rootNode);
- this.currentSchemaContext = schemaContext;
+
+ if (schemaContext != null) {
+ // Also sets applyOper
+ setSchemaContext(schemaContext);
+ }
}
@Override
- public synchronized void setSchemaContext(final SchemaContext newSchemaContext) {
+ public synchronized void setSchemaContext(final SchemaContext newSchemaContext) {
Preconditions.checkNotNull(newSchemaContext);
LOG.info("Attepting to install schema context {}", newSchemaContext);
* whether they are compatible here. Reject incompatible changes.
*/
+ // Instantiate new apply operation, this still may fail
+ final ModificationApplyOperation newApplyOper = SchemaAwareApplyOperation.from(newSchemaContext);
+
// Ready to change the context now, make sure no operations are running
rwLock.writeLock().lock();
try {
+ this.applyOper = newApplyOper;
this.currentSchemaContext = newSchemaContext;
} finally {
rwLock.writeLock().unlock();
}
@Override
- public InMemoryDataTreeSnapshot takeSnapshot() {
+ public InMemoryDataTreeSnapshot takeSnapshot() {
rwLock.readLock().lock();
try {
- return new InMemoryDataTreeSnapshot(currentSchemaContext, rootNode);
+ return new InMemoryDataTreeSnapshot(currentSchemaContext, rootNode, applyOper);
} finally {
rwLock.readLock().unlock();
}
}
- @Override
- public void validate(DataTreeModification modification) throws DataPreconditionFailedException {
- Preconditions.checkArgument(modification instanceof InMemoryDataTreeModification, "Invalid modification class %s", modification.getClass());
+ @Override
+ public void validate(DataTreeModification modification) throws DataPreconditionFailedException {
+ 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.of(rootNode));
- }
+ final InMemoryDataTreeModification m = (InMemoryDataTreeModification)modification;
+ m.getStrategy().checkApplicable(PUBLIC_ROOT_PATH, m.getRootModification(), Optional.of(rootNode));
+ }
- @Override
- public synchronized DataTreeCandidate prepare(DataTreeModification modification) {
- Preconditions.checkArgument(modification instanceof InMemoryDataTreeModification, "Invalid modification class %s", modification.getClass());
+ @Override
+ public synchronized DataTreeCandidate prepare(DataTreeModification modification) {
+ Preconditions.checkArgument(modification instanceof InMemoryDataTreeModification, "Invalid modification class %s", modification.getClass());
- final InMemoryDataTreeModification m = (InMemoryDataTreeModification)modification;
- final NodeModification root = m.getRootModification();
+ final InMemoryDataTreeModification m = (InMemoryDataTreeModification)modification;
+ final NodeModification root = m.getRootModification();
if (root.getModificationType() == ModificationType.UNMODIFIED) {
- return new NoopDataTreeCandidate(PUBLIC_ROOT_PATH, root);
+ return new NoopDataTreeCandidate(PUBLIC_ROOT_PATH, root);
}
rwLock.writeLock().lock();
try {
- // FIXME: rootNode needs to be a read-write snapshot here...
- final Optional<StoreMetadataNode> newRoot = m.getStrategy().apply(m.getRootModification(), Optional.of(rootNode), StoreUtils.increase(rootNode.getSubtreeVersion()));
- Preconditions.checkState(newRoot.isPresent(), "Apply strategy failed to produce root node");
- return new InMemoryDataTreeCandidate(PUBLIC_ROOT_PATH, root, rootNode, newRoot.get());
+ // FIXME: rootNode needs to be a read-write snapshot here...
+ final Optional<StoreMetadataNode> newRoot = m.getStrategy().apply(m.getRootModification(), Optional.of(rootNode), StoreUtils.increase(rootNode.getSubtreeVersion()));
+ Preconditions.checkState(newRoot.isPresent(), "Apply strategy failed to produce root node");
+ return new InMemoryDataTreeCandidate(PUBLIC_ROOT_PATH, root, rootNode, newRoot.get());
} finally {
- rwLock.writeLock().unlock();
+ rwLock.writeLock().unlock();
}
- }
+ }
- @Override
- public synchronized void commit(DataTreeCandidate candidate) {
- if (candidate instanceof NoopDataTreeCandidate) {
- return;
- }
+ @Override
+ public synchronized void commit(DataTreeCandidate candidate) {
+ if (candidate instanceof NoopDataTreeCandidate) {
+ return;
+ }
- Preconditions.checkArgument(candidate instanceof InMemoryDataTreeCandidate, "Invalid candidate class %s", candidate.getClass());
- final InMemoryDataTreeCandidate c = (InMemoryDataTreeCandidate)candidate;
+ Preconditions.checkArgument(candidate instanceof InMemoryDataTreeCandidate, "Invalid candidate class %s", candidate.getClass());
+ final InMemoryDataTreeCandidate c = (InMemoryDataTreeCandidate)candidate;
LOG.debug("Updating Store snapshot version: {} with version:{}", rootNode.getSubtreeVersion(), c.getAfterRoot().getSubtreeVersion());
rwLock.writeLock().lock();
try {
Preconditions.checkState(c.getBeforeRoot() == rootNode,
- String.format("Store snapshot %s and transaction snapshot %s differ.", rootNode, c.getBeforeRoot()));
+ String.format("Store tree %s and candidate base %s differ.", rootNode, c.getBeforeRoot()));
this.rootNode = c.getAfterRoot();
} finally {
rwLock.writeLock().unlock();
}
- }
+ }
}