2 * Copyright (c) 2019 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.data.spi.node;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.collect.Interner;
13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
14 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
15 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode.Builder;
18 * A {@link Builder} interning {@link LeafNode}s via an {@link Interner}.
20 * @param <T> value type
22 public final class InterningLeafNodeBuilder<T> implements Builder<T> {
23 private final Interner<LeafNode<T>> interner;
24 private final Builder<T> delegate;
26 public InterningLeafNodeBuilder(final Builder<T> delegate, final Interner<LeafNode<T>> interner) {
27 this.delegate = requireNonNull(delegate);
28 this.interner = requireNonNull(interner);
32 public Builder<T> withValue(final T value) {
33 delegate.withValue(value);
38 public Builder<T> withNodeIdentifier(final NodeIdentifier nodeIdentifier) {
39 delegate.withNodeIdentifier(nodeIdentifier);
44 public LeafNode<T> build() {
45 return interner.intern(delegate.build());