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