| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.base.Objects; |
| import org.onlab.util.Identifier; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Representation of global unique ID for ResourceConsumer object. |
| */ |
| public class ResourceConsumerId { |
| private final String className; |
| private final long value; |
| |
| // Constructor for serializer. |
| protected ResourceConsumerId() { |
| this.className = null; |
| this.value = 0L; |
| } |
| |
| /** |
| * Constructor with specifying every fields. |
| * |
| * @param value ID value unique within the given class |
| * @param cls class of ResourceConsumer implementation |
| */ |
| ResourceConsumerId(long value, Class<?> cls) { |
| this.className = checkNotNull(cls.getName()); |
| this.value = value; |
| } |
| |
| /** |
| * Checks if the consumer is an instance of given class. |
| * |
| * @param cls class object |
| * @return result of check |
| */ |
| public boolean isClassOf(Class<?> cls) { |
| return checkNotNull(cls).getName().equals(className); |
| } |
| |
| /** |
| * Returns class name of the consumer. |
| * |
| * @return class name of the consumer in String |
| */ |
| public String consumerClass() { |
| return className; |
| } |
| |
| /** |
| * Returns ID value. |
| * |
| * @return ID value |
| */ |
| public long value() { |
| return value; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| ResourceConsumerId that = (ResourceConsumerId) o; |
| return Objects.equal(className, that.className) && |
| Objects.equal(value, that.value); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(className, value); |
| } |
| |
| /** |
| * Creates ResourceConsumerId from given value and class. |
| * |
| * @param <T> resource consumer class type |
| * @param value ID value unique within the given class |
| * @param cls class of ResourceConsumer implementation |
| * @return created ResourceConsumerId object |
| */ |
| public static <T extends ResourceConsumer> ResourceConsumerId of(long value, Class<T> cls) { |
| return new ResourceConsumerId(value, cls); |
| } |
| |
| /** |
| * Creates ResourceConsumerId instance from Identifier object. |
| * |
| * @param <T> resource consumer class type |
| * @param id identifier object backed by Long value |
| * @return created ResourceConsumerId object |
| */ |
| public static <T extends Identifier<Long> & ResourceConsumer> ResourceConsumerId of(T id) { |
| return new ResourceConsumerId(id.id(), id.getClass()); |
| } |
| } |