| /* |
| * Copyright 2014-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.intent; |
| |
| import com.google.common.annotations.Beta; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import org.onlab.util.Identifier; |
| import org.onosproject.net.resource.ResourceConsumer; |
| import org.onosproject.net.resource.ResourceConsumerId; |
| |
| /** |
| * Intent identifier suitable as an external key. |
| * <p>This class is immutable.</p> |
| */ |
| @Beta |
| public final class IntentId extends Identifier<Long> implements ResourceConsumer { |
| |
| private static final String HEX_PREFIX = "0x"; |
| |
| /** |
| * Creates an intent identifier from the specified long representation. |
| * |
| * @param value long value |
| * @return intent identifier |
| */ |
| public static IntentId valueOf(long value) { |
| return new IntentId(value); |
| } |
| |
| /** |
| * Creates an intent identifier from the specified String representation. |
| * |
| * @param id hexadecimal String prefixed with 0x |
| * @return intent identifier |
| */ |
| public static IntentId valueOf(String id) { |
| checkArgument(id.startsWith(HEX_PREFIX), "Invalid id: %s", id); |
| return valueOf(Long.parseUnsignedLong(id.substring(2), 16)); |
| } |
| |
| /** |
| * Constructor for serializer. |
| */ |
| IntentId() { |
| super(0L); |
| } |
| |
| /** |
| * Constructs the ID corresponding to a given long value. |
| * |
| * @param value the underlying value of this ID |
| */ |
| IntentId(long value) { |
| super(value); |
| } |
| |
| /** |
| * Returns the backing value. |
| * |
| * @return the value |
| */ |
| public long fingerprint() { |
| return identifier; |
| } |
| |
| @Override |
| public String toString() { |
| return HEX_PREFIX + Long.toHexString(identifier); |
| } |
| |
| @Override |
| public ResourceConsumerId consumerId() { |
| return ResourceConsumerId.of(this); |
| } |
| } |