| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.net.resource; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.collect.ImmutableList; |
| |
| import java.util.Objects; |
| import java.util.Optional; |
| |
| /** |
| * ResourceId for {@link ContinuousResource}. |
| */ |
| @Beta |
| public final class ContinuousResourceId extends ResourceId { |
| private final ImmutableList<Object> components; |
| |
| // for printing purpose only (used in toString() implementation) |
| private final String name; |
| |
| ContinuousResourceId(ImmutableList.Builder<Object> parentComponents, Class<?> last) { |
| this.components = parentComponents.add(last.getCanonicalName()).build(); |
| this.name = last.getSimpleName(); |
| } |
| |
| // for serializer |
| ContinuousResourceId() { |
| this.components = ImmutableList.of(); |
| this.name = ""; |
| } |
| |
| @Override |
| ImmutableList<Object> components() { |
| return components; |
| } |
| |
| @Override |
| String simpleTypeName() { |
| return name; |
| } |
| |
| @Override |
| boolean isTypeOf(Class<?> type) { |
| String typeName = (String) lastComponent(); |
| return typeName.equals(type.getCanonicalName()); |
| } |
| |
| @Override |
| boolean isSubTypeOf(Class<?> ancestor) { |
| String typeName = (String) lastComponent(); |
| boolean foundInLeaf = typeName.equals(ancestor.getCanonicalName()); |
| boolean foundInAncestor = components.subList(0, components.size()).stream() |
| .anyMatch(x -> ancestor.isAssignableFrom(x.getClass())); |
| return foundInAncestor || foundInLeaf; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * A child of a continuous-type resource is prohibited. |
| * {@link UnsupportedOperationException} is always thrown. |
| */ |
| @Override |
| public DiscreteResourceId child(Object child) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * A child of a continuous-type resource is prohibited. |
| * {@link UnsupportedOperationException} is always thrown. |
| */ |
| @Override |
| public ContinuousResourceId child(Class<?> child) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Optional<DiscreteResourceId> parent() { |
| if (components.isEmpty()) { |
| return Optional.empty(); |
| } |
| if (components.size() == 1) { |
| return Optional.of(ROOT); |
| } else { |
| return Optional.of(new DiscreteResourceId(components.subList(0, components.size() - 1))); |
| } |
| } |
| |
| private Object lastComponent() { |
| return components.get(components.size() - 1); |
| } |
| |
| @Override |
| public int hashCode() { |
| return components.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| final ContinuousResourceId other = (ContinuousResourceId) obj; |
| return Objects.equals(this.components, other.components); |
| } |
| |
| @Override |
| public String toString() { |
| // due to performance consideration, the value might need to be stored in a field |
| return ImmutableList.builder() |
| .addAll(components.subList(0, components.size() - 1)) |
| .add(name) |
| .build().toString(); |
| } |
| } |