yang/rfc8528-data-util/src/main/java/org/opendaylight/yangtools/rcf8528/data/util/ImmutableMountPointContext.java

   1 /*
   2  * Copyright (c) 2019 PANTHEON.tech s.r.o. 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.rcf8528.data.util;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.base.MoreObjects.ToStringHelper;
  13 import com.google.common.collect.ImmutableMap;
  14 import com.google.common.collect.Maps;
  15 import java.util.Optional;
  16 import java.util.function.Function;
  17 import org.opendaylight.yangtools.concepts.Immutable;
  18 import org.opendaylight.yangtools.rcf8528.data.util.AbstractMountPointContextFactory.MountPointDefinition;
  19 import org.opendaylight.yangtools.rfc8528.data.api.MountPointContext;
  20 import org.opendaylight.yangtools.rfc8528.data.api.MountPointContextFactory;
  21 import org.opendaylight.yangtools.rfc8528.data.api.MountPointIdentifier;
  22 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  23 import org.opendaylight.yangtools.yang.model.util.AbstractSchemaContextProvider;
  24
  25 final class ImmutableMountPointContext extends AbstractSchemaContextProvider implements Immutable, MountPointContext {
  26     private final ImmutableMap<MountPointIdentifier, MountPointDefinition> mountPoints;
  27     private final Function<MountPointDefinition, MountPointContextFactory> createFactory;
  28
  29     ImmutableMountPointContext(final SchemaContext schemaContext, final Iterable<MountPointDefinition> mountPoints,
  30             final Function<MountPointDefinition, MountPointContextFactory> createFactory) {
  31         super(schemaContext);
  32         this.mountPoints = Maps.uniqueIndex(mountPoints, MountPointDefinition::getIdentifier);
  33         this.createFactory = requireNonNull(createFactory);
  34     }
  35
  36     @Override
  37     public Optional<MountPointContextFactory> findMountPoint(final MountPointIdentifier label) {
  38         final MountPointDefinition def = mountPoints.get(requireNonNull(label));
  39         return def == null ? Optional.empty() : Optional.of(createFactory.apply(def));
  40     }
  41
  42     @Override
  43     protected ToStringHelper addToStringAttributes(final ToStringHelper helper) {
  44         return super.addToStringAttributes(helper).add("mountPoints", mountPoints);
  45     }
  46 }