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/*
* Copyright 2015 Open Networking Laboratory
* Originally created by Pengfei Lu, Network and Cloud Computing Laboratory, Dalian University of Technology, China
* Advisers: Keqiu Li and Heng Qi
* This work is supported by the State Key Program of National Natural Science of China(Grant No. 61432002)
* and Prospective Research Project on Future Networks in Jiangsu Future Networks Innovation Institute.
*
* 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.acl;
/**
* ACL rule identifier suitable as an external key.
* <p>This class is immutable.</p>
*/
public final class RuleId {
private final long value;
/**
* Creates an ACL rule identifier from the specified long value.
*
* @param value long value
* @return ACL rule identifier
*/
public static RuleId valueOf(long value) {
return new RuleId(value);
}
/**
* Constructor for serializer.
*/
RuleId() {
this.value = 0;
}
/**
* Constructs the ID corresponding to a given long value.
*
* @param value the underlying value of this ID
*/
RuleId(long value) {
this.value = value;
}
/**
* Returns the backing value.
*
* @return the value
*/
public long fingerprint() {
return value;
}
@Override
public int hashCode() {
return Long.hashCode(value);
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof RuleId)) {
return false;
}
RuleId that = (RuleId) obj;
return this.value == that.value;
}
@Override
public String toString() {
return "0x" + Long.toHexString(value);
}
}
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