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

   1 package org.opendaylight.yangtools.yang.data.impl.schema.tree;
   2
   3 import static com.google.common.base.Preconditions.checkArgument;
   4
   5 import com.google.common.base.Optional;
   6 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
   7 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
   8 import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
   9 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  10 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeContainerBuilder;
  11 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableOrderedMapNodeBuilder;
  12 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  13
  14 final class OrderedMapModificationStrategy extends AbstractNodeContainerModificationStrategy {
  15     private final Optional<ModificationApplyOperation> entryStrategy;
  16
  17     OrderedMapModificationStrategy(final ListSchemaNode schema, final TreeType treeType) {
  18         super(OrderedMapNode.class, treeType);
  19         entryStrategy = Optional.<ModificationApplyOperation> of(new ListEntryModificationStrategy(schema, treeType));
  20     }
  21
  22     @Override
  23     protected ChildTrackingPolicy getChildPolicy() {
  24         return ChildTrackingPolicy.ORDERED;
  25     }
  26
  27     @SuppressWarnings("rawtypes")
  28     @Override
  29     protected NormalizedNodeContainerBuilder createBuilder(final NormalizedNode<?, ?> original) {
  30         checkArgument(original instanceof OrderedMapNode);
  31         return ImmutableOrderedMapNodeBuilder.create((OrderedMapNode) original);
  32     }
  33
  34     @Override
  35     public Optional<ModificationApplyOperation> getChild(final YangInstanceIdentifier.PathArgument identifier) {
  36         if (identifier instanceof YangInstanceIdentifier.NodeIdentifierWithPredicates) {
  37             return entryStrategy;
  38         }
  39         return Optional.absent();
  40     }
  41
  42     @Override
  43     public String toString() {
  44         return "OrderedMapModificationStrategy [entry=" + entryStrategy + "]";
  45     }
  46 }