| /* |
| * Copyright 2014 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.onlab.onos.net.intent; |
| |
| import org.onlab.onos.net.flow.BatchOperationTarget; |
| |
| /** |
| * Intent identifier suitable as an external key. |
| * <p>This class is immutable.</p> |
| */ |
| public final class IntentId implements BatchOperationTarget { |
| |
| private final long fingerprint; |
| |
| /** |
| * Creates an intent identifier from the specified string representation. |
| * |
| * @param fingerprint long value |
| * @return intent identifier |
| */ |
| public static IntentId valueOf(long fingerprint) { |
| return new IntentId(fingerprint); |
| } |
| |
| /** |
| * Constructor for serializer. |
| */ |
| IntentId() { |
| this.fingerprint = 0; |
| } |
| |
| /** |
| * Constructs the ID corresponding to a given long value. |
| * |
| * @param fingerprint the underlying value of this ID |
| */ |
| IntentId(long fingerprint) { |
| this.fingerprint = fingerprint; |
| } |
| |
| /** |
| * Returns the backing fingerprint. |
| * |
| * @return the fingerprint |
| */ |
| public long fingerprint() { |
| return fingerprint; |
| } |
| |
| @Override |
| public int hashCode() { |
| return (int) (fingerprint ^ (fingerprint >>> 32)); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if (!(obj instanceof IntentId)) { |
| return false; |
| } |
| IntentId that = (IntentId) obj; |
| return this.fingerprint == that.fingerprint; |
| } |
| |
| @Override |
| public String toString() { |
| return "0x" + Long.toHexString(fingerprint); |
| } |
| |
| } |