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/*
* Copyright 2015 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.newresource;
import com.google.common.annotations.Beta;
import com.google.common.base.MoreObjects;
import java.util.Objects;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Represents allocation of resource which is identified by the specifier.
*/
@Beta
public class ResourceAllocation {
private final ResourcePath resource;
private final ResourceConsumer consumer;
/**
* Creates an instance with the specified subject, resource and consumer.
*
* @param resource resource of the subject
* @param consumer consumer ot this resource
*/
public ResourceAllocation(ResourcePath resource, ResourceConsumer consumer) {
this.resource = checkNotNull(resource);
this.consumer = consumer;
}
// for serialization
private ResourceAllocation() {
this.resource = null;
this.consumer = null;
}
/**
* Returns the specifier of the resource this allocation uses.
*
* @return the specifier of the resource this allocation uses
*/
public ResourcePath resource() {
return resource;
}
/**
* Returns the consumer of this resource.
*
* @return the consumer of this resource
*/
public ResourceConsumer consumer() {
return consumer;
}
@Override
public int hashCode() {
return Objects.hash(resource, consumer);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof ResourceAllocation)) {
return false;
}
final ResourceAllocation that = (ResourceAllocation) obj;
return Objects.equals(this.resource, that.resource)
&& Objects.equals(this.consumer, that.consumer);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("resource", resource)
.add("consumer", consumer)
.toString();
}
}
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