Java tutorial
/* * #%L * ********************************************************************************************************************* * * These Foolish Things - Miscellaneous utilities * http://thesefoolishthings.tidalwave.it - git clone git@bitbucket.org:tidalwave/thesefoolishthings-src.git * %% * Copyright (C) 2009 - 2018 Tidalwave s.a.s. (http://tidalwave.it) * %% * ********************************************************************************************************************* * * 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. * * ********************************************************************************************************************* * * $Id$ * * ********************************************************************************************************************* * #L% */ package it.tidalwave.actor; import javax.annotation.Nonnull; import javax.annotation.concurrent.Immutable; import it.tidalwave.actor.annotation.Message; import lombok.EqualsAndHashCode; import lombok.ToString; import org.joda.time.DateTime; import org.joda.time.Duration; /*********************************************************************************************************************** * * This message notifies that a {@link Collaboration} has been completed. * * @author Fabrizio Giudici * @version $Id$ * **********************************************************************************************************************/ @Message @Immutable @EqualsAndHashCode @ToString(callSuper = false) public class CollaborationCompletedMessage extends MessageSupport { private final long endTime = System.currentTimeMillis(); /******************************************************************************************************************* * * * ******************************************************************************************************************/ private CollaborationCompletedMessage(final @Nonnull Collaboration collaboration) { super(collaboration); } /******************************************************************************************************************* * * Creates a new instance for the given {@link Collaboration}. * * @param collaboration the {@code Collaboration} * @return the new instance * ******************************************************************************************************************/ @Nonnull public static CollaborationCompletedMessage forCollaboration(final @Nonnull Collaboration collaboration) { return new CollaborationCompletedMessage(collaboration); } /******************************************************************************************************************* * * Returns the time when the {@link Collaboration} has been started. * * @return the start time * ******************************************************************************************************************/ @Nonnull public DateTime getStartTime() { return collaboration.getStartTime(); } /******************************************************************************************************************* * * Returns the time when the {@link Collaboration} has been completed. * * @return the end time * ******************************************************************************************************************/ @Nonnull public DateTime getEndTime() { return new DateTime(endTime); } /******************************************************************************************************************* * * Returns the time this {@link Collaboration} took to complete. * * @return the duration * ******************************************************************************************************************/ @Nonnull public Duration getDuration() { return new Duration(getStartTime().getMillis(), endTime); } }