| /* |
| * Copyright 2016-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.impl.topo.cli; |
| |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.ui.model.topo.UiElement; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Base class for model cache CLI commands. |
| */ |
| abstract class AbstractUiCacheElementCommand extends AbstractShellCommand { |
| |
| /** |
| * Built in comparator for elements. |
| */ |
| private static final Comparator<UiElement> ELEMENT_COMPARATOR = |
| (o1, o2) -> o1.idAsString().compareTo(o2.idAsString()); |
| |
| /** |
| * Returns the given elements in a list, sorted by string representation |
| * of the identifiers. |
| * |
| * @param elements the elements to sort |
| * @return the sorted elements |
| */ |
| protected List<UiElement> sorted(Set<? extends UiElement> elements) { |
| List<UiElement> list = new ArrayList<>(elements); |
| Collections.sort(list, ELEMENT_COMPARATOR); |
| return list; |
| } |
| } |