EventType.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.api.system.shared.event;

/**
 * Defines set of system event types.
 *
 * @author Yevhenii Voevodin
 */
public enum EventType {

    /**
     * Published when system status is changed.
     */
    STATUS_CHANGED,

    /**
     * Published when system is starting shutting down a service.
     * This is the first event published for a certain service.
     *
     * <pre>
     *     STOPPING_SERVICE -> (0..N)SERVICE_ITEM_STOPPED -> SERVICE_STOPPED
     * </pre>
     */
    STOPPING_SERVICE,

    /**
     * Published after service item is stopped.
     * Events of such type are published between {@link #STOPPING_SERVICE}
     * and {@link #SERVICE_STOPPED} events.
     */
    SERVICE_ITEM_STOPPED,

    /**
     * Published when shutting down of a service is finished.
     * The last event in the chain for a certain service.
     */
    SERVICE_STOPPED
}