| /* |
| * 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.net.config.basics; |
| |
| import org.onosproject.net.config.Config; |
| |
| /** |
| * Base abstraction for configuring feature on subject. |
| * |
| * @param <S> Subject type |
| */ |
| public abstract class BasicFeatureConfig<S> extends Config<S> { |
| |
| private static final String ENABLED = "enabled"; |
| |
| private final boolean defaultValue; |
| |
| protected BasicFeatureConfig(boolean defaultValue) { |
| this.defaultValue = defaultValue; |
| } |
| |
| /** |
| * Indicates whether the feature for the subject is enabled. |
| * |
| * @return true if feature is enabled |
| */ |
| public boolean enabled() { |
| return get(ENABLED, defaultValue); |
| } |
| |
| /** |
| * Specifies whether the feature for the subject is to be enabled. |
| * |
| * @param enabled true to enable; false to disable; null to clear |
| * @return self |
| */ |
| public BasicFeatureConfig<S> enabled(Boolean enabled) { |
| return (BasicFeatureConfig<S>) setOrClear(ENABLED, enabled); |
| } |
| |
| } |