+++ /dev/null
-/*
- * Copyright (c) 2019 PANTHEON.tech, s.r.o. 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.nodes;
-
-import static com.google.common.base.Verify.verify;
-import static java.util.Objects.requireNonNull;
-
-import com.google.common.annotations.Beta;
-import java.util.Map;
-import org.eclipse.jdt.annotation.NonNull;
-import org.eclipse.jdt.annotation.Nullable;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
-import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
-
-/**
- * Support utilities for dealing with Maps which would normally hold {@link DataContainerChild} values, but are modified
- * to eliminate {@link LeafNode} instances.
- */
-@Beta
-public final class LazyLeafOperations {
- private LazyLeafOperations() {
- // Hidden on purpose
- }
-
- public static @Nullable DataContainerChild getChild(final Map<PathArgument, Object> map, final PathArgument key) {
- final Object value = map.get(key);
- return value == null ? null : decodeChild(key, value);
- }
-
- public static void putChild(final Map<PathArgument, Object> map, final DataContainerChild child) {
- final DataContainerChild node = requireNonNull(child);
- map.put(node.getIdentifier(), encodeExpendableChild(node));
- }
-
- static @NonNull LeafNode<?> coerceLeaf(final PathArgument key, final Object value) {
- verify(key instanceof NodeIdentifier, "Unexpected value %s for child %s", value, key);
- return ImmutableNodes.leafNode((NodeIdentifier) key, value);
- }
-
- private static @Nullable DataContainerChild decodeChild(final PathArgument key, final @NonNull Object value) {
- return decodeExpendableChild(key, value);
- }
-
- private static @NonNull DataContainerChild decodeExpendableChild(final PathArgument key,
- final @NonNull Object value) {
- return value instanceof DataContainerChild ? (DataContainerChild) value : coerceLeaf(key, value);
- }
-
- private static @NonNull Object encodeExpendableChild(final @NonNull DataContainerChild node) {
- return node instanceof LeafNode ? verifyEncode(((LeafNode<?>) node).body()) : node;
- }
-
- private static @NonNull Object verifyEncode(final @NonNull Object value) {
- verify(!(value instanceof DataContainerChild), "Unexpected leaf value %s", value);
- return value;
- }
-}