| /* |
| * Copyright 2014-present 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.event; |
| |
| import org.joda.time.LocalDateTime; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| |
| /** |
| * Base event implementation. |
| */ |
| public class AbstractEvent<T extends Enum, S> implements Event<T, S> { |
| |
| private final long time; |
| private final T type; |
| private final S subject; |
| |
| /** |
| * Creates an event of a given type and for the specified subject and the |
| * current time. |
| * |
| * @param type event type |
| * @param subject event subject |
| */ |
| protected AbstractEvent(T type, S subject) { |
| this(type, subject, System.currentTimeMillis()); |
| } |
| |
| /** |
| * Creates an event of a given type and for the specified subject and time. |
| * |
| * @param type event type |
| * @param subject event subject |
| * @param time occurrence time |
| */ |
| protected AbstractEvent(T type, S subject, long time) { |
| this.type = type; |
| this.subject = subject; |
| this.time = time; |
| } |
| |
| @Override |
| public long time() { |
| return time; |
| } |
| |
| @Override |
| public T type() { |
| return type; |
| } |
| |
| @Override |
| public S subject() { |
| return subject; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(this) |
| .add("time", new LocalDateTime(time)) |
| .add("type", type()) |
| .add("subject", subject()) |
| .toString(); |
| } |
| } |