/*******************************************************************************
* 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.ide.api.machine.events;
import com.google.gwt.event.shared.EventHandler;
import com.google.gwt.event.shared.GwtEvent;
import org.eclipse.che.ide.api.machine.MachineEntity;
/**
* Event that describes the fact that machine state has been changed.
*
* @author Artem Zatsarynnyi
*/
public class MachineStateEvent extends GwtEvent<MachineStateEvent.Handler> {
public interface Handler extends EventHandler {
/**
* Is called when creating a machine.
*
* @param event
* state event
*/
void onMachineCreating(MachineStateEvent event);
/**
* Called when machine has been run.
*
* @param event
* the fired {@link MachineStateEvent}
*/
void onMachineRunning(MachineStateEvent event);
/**
* Called when machine has been destroyed.
*
* @param event
* the fired {@link MachineStateEvent}
*/
void onMachineDestroyed(MachineStateEvent event);
}
/**
* Type class used to register this event.
*/
public static final Type<MachineStateEvent.Handler> TYPE = new Type<>();
private final MachineEntity machine;
private final MachineAction machineAction;
/**
* Create new {@link MachineStateEvent}.
*
* @param machine
* machine
* @param machineAction
* the type of action
*/
public MachineStateEvent(MachineEntity machine, MachineAction machineAction) {
this.machine = machine;
this.machineAction = machineAction;
}
@Override
public Type<MachineStateEvent.Handler> getAssociatedType() {
return TYPE;
}
public MachineEntity getMachine() {
return machine;
}
public String getMachineId() {
return machine.getId();
}
@Override
protected void dispatch(MachineStateEvent.Handler handler) {
switch (machineAction) {
case CREATING:
handler.onMachineCreating(this);
break;
case RUNNING:
handler.onMachineRunning(this);
break;
case DESTROYED:
handler.onMachineDestroyed(this);
break;
}
}
/**
* Set of possible type of machine actions.
*/
public enum MachineAction {
CREATING,
RUNNING,
DESTROYED
}
}