data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/InterningLeafSetNodeBuilder.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.yangtools.yang.data.impl.schema;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import java.util.Collection;
  13 import org.eclipse.jdt.annotation.Nullable;
  14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  16 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
  17 import org.opendaylight.yangtools.yang.data.api.schema.SystemLeafSetNode;
  18 import org.opendaylight.yangtools.yang.data.api.schema.builder.ListNodeBuilder;
  19 import org.opendaylight.yangtools.yang.data.api.schema.builder.NormalizedNodeContainerBuilder;
  20 import org.opendaylight.yangtools.yang.data.util.LeafsetEntryInterner;
  21 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  22 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
  23
  24 final class InterningLeafSetNodeBuilder<T> implements SystemLeafSetNode.Builder<T> {
  25     private final SystemLeafSetNode.Builder<T> delegate;
  26     private final LeafsetEntryInterner interner;
  27
  28     private InterningLeafSetNodeBuilder(final SystemLeafSetNode.Builder<T> delegate,
  29             final LeafsetEntryInterner interner) {
  30         this.delegate = requireNonNull(delegate);
  31         this.interner = requireNonNull(interner);
  32     }
  33
  34     private static @Nullable LeafsetEntryInterner getInterner(final @Nullable DataSchemaNode schema) {
  35         return schema instanceof LeafListSchemaNode leafListSchema ? LeafsetEntryInterner.forSchema(leafListSchema)
  36                 : null;
  37     }
  38
  39     static <T> ListNodeBuilder<T, SystemLeafSetNode<T>> create(final @Nullable DataSchemaNode schema) {
  40         final var delegate = Builders.<T>leafSetBuilder();
  41         final var interner = getInterner(schema);
  42         return interner == null ? delegate : new InterningLeafSetNodeBuilder<>(delegate, interner);
  43     }
  44
  45     static <T> ListNodeBuilder<T, SystemLeafSetNode<T>> create(final @Nullable DataSchemaNode schema,
  46             final int sizeHint) {
  47         final var delegate = Builders.<T>leafSetBuilder(sizeHint);
  48         final var interner = getInterner(schema);
  49         return interner == null ? delegate : new InterningLeafSetNodeBuilder<>(delegate, interner);
  50     }
  51
  52     @Override
  53     public ListNodeBuilder<T, SystemLeafSetNode<T>> withNodeIdentifier(final NodeIdentifier nodeIdentifier) {
  54         return delegate.withNodeIdentifier(nodeIdentifier);
  55     }
  56
  57     @Override
  58     public ListNodeBuilder<T, SystemLeafSetNode<T>> withValue(final Collection<LeafSetEntryNode<T>> value) {
  59         // FIXME: pass through interner
  60         return delegate.withValue(value);
  61     }
  62
  63     @Override
  64     public ListNodeBuilder<T, SystemLeafSetNode<T>> withChild(final LeafSetEntryNode<T> child) {
  65         return delegate.withChild(interner.intern(child));
  66     }
  67
  68     @Override
  69     public ListNodeBuilder<T, SystemLeafSetNode<T>> withoutChild(final PathArgument key) {
  70         return delegate.withoutChild(key);
  71     }
  72
  73     @Override
  74     public ListNodeBuilder<T, SystemLeafSetNode<T>> withChildValue(final T child) {
  75         // TODO Auto-generated method stub
  76         throw new UnsupportedOperationException();
  77     }
  78
  79     @Override
  80     public NormalizedNodeContainerBuilder<NodeIdentifier, PathArgument, LeafSetEntryNode<T>, SystemLeafSetNode<T>>
  81             addChild(final LeafSetEntryNode<T> child) {
  82         return withChild(child);
  83     }
  84
  85     @Override
  86     public NormalizedNodeContainerBuilder<NodeIdentifier, PathArgument, LeafSetEntryNode<T>, SystemLeafSetNode<T>>
  87             removeChild(final PathArgument key) {
  88         return withoutChild(key);
  89     }
  90
  91     @Override
  92     public SystemLeafSetNode<T> build() {
  93         return delegate.build();
  94     }
  95 }