| /* |
| * Copyright 2015-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.ui.table; |
| |
| /** |
| * Defines a comparator for cell values. |
| */ |
| public interface CellComparator { |
| |
| /** |
| * Compares its two arguments for order. Returns a negative integer, |
| * zero, or a positive integer as the first argument is less than, equal |
| * to, or greater than the second. |
| * <p> |
| * Note that nulls are permitted, and should be sorted to the beginning |
| * of an ascending sort; i.e. null is considered to be "smaller" than |
| * non-null values. |
| * |
| * @see java.util.Comparator#compare(Object, Object) |
| * |
| * @param o1 the first object to be compared |
| * @param o2 the second object to be compared |
| * @return an integer representing relative ordering |
| * @throws ClassCastException if the arguments' types prevent them from |
| * being compared by this comparator |
| */ |
| int compare(Object o1, Object o2); |
| |
| } |