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.model.api.ListSchemaNode;
  21
  22 class ListEntryModificationStrategy extends DataNodeContainerModificationStrategy<ListSchemaNode> {
  23     private static final class EnforcingMandatory extends ListEntryModificationStrategy {
  24         private final MandatoryLeafEnforcer enforcer;
  25
  26         EnforcingMandatory(final ListSchemaNode schemaNode, final DataTreeConfiguration treeConfig,
  27                 final MandatoryLeafEnforcer enforcer) {
  28             super(schemaNode, treeConfig);
  29             this.enforcer = requireNonNull(enforcer);
  30         }
  31
  32         @Override
  33         void additionalVerifyValueChildren(final NormalizedNode<?, ?> writtenValue) {
  34             enforcer.enforceOnData(writtenValue);
  35         }
  36
  37         @Override
  38         protected TreeNode applyMerge(final ModifiedNode modification, final TreeNode currentMeta,
  39                 final Version version) {
  40             final TreeNode ret = super.applyMerge(modification, currentMeta, version);
  41             enforcer.enforceOnTreeNode(ret);
  42             return ret;
  43         }
  44
  45         @Override
  46         protected TreeNode applyWrite(final ModifiedNode modification, final NormalizedNode<?, ?> newValue,
  47                 final Optional<TreeNode> currentMeta, final Version version) {
  48             final TreeNode ret = super.applyWrite(modification, newValue, currentMeta, version);
  49             enforcer.enforceOnTreeNode(ret);
  50             return ret;
  51         }
  52
  53         @Override
  54         protected TreeNode applyTouch(final ModifiedNode modification, final TreeNode currentMeta,
  55                 final Version version) {
  56             final TreeNode ret = super.applyTouch(modification, currentMeta, version);
  57             enforcer.enforceOnTreeNode(ret);
  58             return ret;
  59         }
  60     }
  61
  62     private static final NormalizedNodeContainerSupport<NodeIdentifierWithPredicates, MapEntryNode> SUPPORT =
  63             new NormalizedNodeContainerSupport<>(MapEntryNode.class, ImmutableMapEntryNodeBuilder::create,
  64                     ImmutableMapEntryNodeBuilder::create);
  65
  66     ListEntryModificationStrategy(final ListSchemaNode schema, final DataTreeConfiguration treeConfig) {
  67         super(SUPPORT, schema, treeConfig);
  68     }
  69
  70     static ListEntryModificationStrategy of(final ListSchemaNode schema, final DataTreeConfiguration treeConfig) {
  71         final Optional<MandatoryLeafEnforcer> enforcer = MandatoryLeafEnforcer.forContainer(schema, treeConfig);
  72         return enforcer.isPresent() ? new EnforcingMandatory(schema, treeConfig, enforcer.get())
  73                 : new ListEntryModificationStrategy(schema, treeConfig);
  74     }
  75 }