+/*
+ * 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.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.Optional;
-import com.google.common.base.Preconditions;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import java.util.Optional;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.CursorAwareDataTreeSnapshot;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshotCursor;
import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
-import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeUtils;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-
-final class InMemoryDataTreeSnapshot implements DataTreeSnapshot {
- private final ModificationApplyOperation applyOper;
- private final SchemaContext schemaContext;
- private final TreeNode rootNode;
-
- InMemoryDataTreeSnapshot(final SchemaContext schemaContext, final TreeNode rootNode,
- final ModificationApplyOperation applyOper) {
- this.schemaContext = Preconditions.checkNotNull(schemaContext);
- this.rootNode = Preconditions.checkNotNull(rootNode);
- this.applyOper = Preconditions.checkNotNull(applyOper);
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContextProvider;
+
+final class InMemoryDataTreeSnapshot extends AbstractCursorAware implements CursorAwareDataTreeSnapshot,
+ EffectiveModelContextProvider {
+ private final @NonNull RootApplyStrategy applyOper;
+ private final @NonNull EffectiveModelContext schemaContext;
+ private final @NonNull TreeNode rootNode;
+
+ InMemoryDataTreeSnapshot(final EffectiveModelContext schemaContext, final TreeNode rootNode,
+ final RootApplyStrategy applyOper) {
+ this.schemaContext = requireNonNull(schemaContext);
+ this.rootNode = requireNonNull(rootNode);
+ this.applyOper = requireNonNull(applyOper);
}
TreeNode getRootNode() {
return rootNode;
}
- SchemaContext getSchemaContext() {
+ @Override
+ public EffectiveModelContext getEffectiveModelContext() {
return schemaContext;
}
@Override
- public Optional<NormalizedNode<?, ?>> readNode(final InstanceIdentifier path) {
- return NormalizedNodeUtils.findNode(rootNode.getData(), path);
+ public Optional<NormalizedNode<?, ?>> readNode(final YangInstanceIdentifier path) {
+ return NormalizedNodes.findNode(rootNode.getData(), path);
}
@Override
return new InMemoryDataTreeModification(this, applyOper);
}
+ @Override
+ public Optional<DataTreeSnapshotCursor> openCursor(final YangInstanceIdentifier path) {
+ return NormalizedNodes.findNode(rootNode.getData(), path).map(root -> {
+ checkArgument(root instanceof NormalizedNodeContainer, "Child %s is not a container", path);
+ return openCursor(new InMemoryDataTreeSnapshotCursor(this, path, (NormalizedNodeContainer<?, ?, ?>)root));
+ });
+ }
+
@Override
public String toString() {
return rootNode.getSubtreeVersion().toString();
}
-
-}
\ No newline at end of file
+}