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

   1 /*
   2  * Copyright (c) 2014 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.tree;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import java.util.Optional;
  13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  14 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  15 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  16 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
  17 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
  18 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
  19 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapEntryNodeBuilder;
  20 import org.opendaylight.yangtools.yang.data.impl.schema.tree.NormalizedNodeContainerSupport.Single;
  21 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  22
  23 class ListEntryModificationStrategy extends DataNodeContainerModificationStrategy<ListSchemaNode> {
  24     private static final class EnforcingMandatory extends ListEntryModificationStrategy {
  25         private final MandatoryLeafEnforcer enforcer;
  26
  27         EnforcingMandatory(final ListSchemaNode schemaNode, final DataTreeConfiguration treeConfig,
  28                 final MandatoryLeafEnforcer enforcer) {
  29             super(schemaNode, treeConfig);
  30             this.enforcer = requireNonNull(enforcer);
  31         }
  32
  33         @Override
  34         void verifyStructure(final NormalizedNode<?, ?> writtenValue, final boolean verifyChildren) {
  35             super.verifyStructure(writtenValue, verifyChildren);
  36             if (verifyChildren) {
  37                 enforcer.enforceOnData(writtenValue);
  38             }
  39         }
  40
  41         @Override
  42         protected TreeNode applyMerge(final ModifiedNode modification, final TreeNode currentMeta,
  43                 final Version version) {
  44             final TreeNode ret = super.applyMerge(modification, currentMeta, version);
  45             enforcer.enforceOnTreeNode(ret);
  46             return ret;
  47         }
  48
  49         @Override
  50         protected TreeNode applyWrite(final ModifiedNode modification, final NormalizedNode<?, ?> newValue,
  51                 final Optional<TreeNode> currentMeta, final Version version) {
  52             final TreeNode ret = super.applyWrite(modification, newValue, currentMeta, version);
  53             enforcer.enforceOnTreeNode(ret);
  54             return ret;
  55         }
  56
  57         @Override
  58         protected TreeNode applyTouch(final ModifiedNode modification, final TreeNode currentMeta,
  59                 final Version version) {
  60             final TreeNode ret = super.applyTouch(modification, currentMeta, version);
  61             enforcer.enforceOnTreeNode(ret);
  62             return ret;
  63         }
  64     }
  65
  66     private static final Single<NodeIdentifierWithPredicates, MapEntryNode> SUPPORT = new Single<>(MapEntryNode.class,
  67             ImmutableMapEntryNodeBuilder::create, ImmutableMapEntryNodeBuilder::create);
  68
  69     ListEntryModificationStrategy(final ListSchemaNode schema, final DataTreeConfiguration treeConfig) {
  70         super(SUPPORT, schema, treeConfig);
  71     }
  72
  73     static ListEntryModificationStrategy of(final ListSchemaNode schema, final DataTreeConfiguration treeConfig) {
  74         final Optional<MandatoryLeafEnforcer> enforcer = MandatoryLeafEnforcer.forContainer(schema, treeConfig);
  75         return enforcer.isPresent() ? new EnforcingMandatory(schema, treeConfig, enforcer.get())
  76                 : new ListEntryModificationStrategy(schema, treeConfig);
  77     }
  78 }