+/*
+ * Copyright (c) 2020 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.mdsal.binding.dom.adapter.query;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.Map.Entry;
+import java.util.Spliterator;
+import java.util.function.Consumer;
+import org.eclipse.jdt.annotation.NonNullByDefault;
+import org.eclipse.jdt.annotation.Nullable;
+import org.opendaylight.mdsal.binding.api.query.QueryResult;
+import org.opendaylight.mdsal.binding.api.query.QueryResult.Item;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+@NonNullByDefault
+final class DefaultQueryResultSpliterator<T extends DataObject> implements Spliterator<QueryResult.Item<T>> {
+ private final Spliterator<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> domSpliterator;
+ private final DefaultQueryResult<T> result;
+
+ DefaultQueryResultSpliterator(final DefaultQueryResult<T> result,
+ final Spliterator<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> domSpliterator) {
+ this.result = requireNonNull(result);
+ this.domSpliterator = requireNonNull(domSpliterator);
+ }
+
+ @Override
+ public boolean tryAdvance(final @Nullable Consumer<? super Item<T>> action) {
+ return domSpliterator.tryAdvance(dom -> action.accept(new DefaultQueryResultItem<>(result, dom)));
+ }
+
+ @Override
+ public @Nullable Spliterator<Item<T>> trySplit() {
+ final Spliterator<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> split =
+ domSpliterator.trySplit();
+ return split == null ? null : new DefaultQueryResultSpliterator<>(result, split);
+ }
+
+ @Override
+ public long estimateSize() {
+ return domSpliterator.estimateSize();
+ }
+
+ @Override
+ public long getExactSizeIfKnown() {
+ return domSpliterator.getExactSizeIfKnown();
+ }
+
+ @Override
+ public int characteristics() {
+ return domSpliterator.characteristics();
+ }
+}