| /* |
| * 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; |
| |
| import com.google.common.base.MoreObjects; |
| |
| /** |
| * Implementation of Lambda simply designated by an index number of wavelength. |
| */ |
| public class IndexedLambda implements Lambda { |
| |
| private final long index; |
| |
| /** |
| * Creates an instance representing the wavelength specified by the given index number. |
| * It is recommended to use {@link Lambda#indexedLambda(long)} unless you want to use the |
| * concrete type, IndexedLambda, directly. |
| * |
| * @param index index number of wavelength |
| */ |
| public IndexedLambda(long index) { |
| this.index = index; |
| } |
| |
| /** |
| * Returns the index number of lambda. |
| * |
| * @return the index number of lambda |
| */ |
| public long index() { |
| return index; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Long.hashCode(index); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof IndexedLambda)) { |
| return false; |
| } |
| |
| final IndexedLambda that = (IndexedLambda) obj; |
| return this.index == that.index; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(this) |
| .add("lambda", index) |
| .toString(); |
| } |
| } |