/**
* Copyright 2008 Google Inc.
*
* 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.waveprotocol.wave.client.scheduler;
import com.google.gwt.user.client.Command;
/**
* Interface for command queues.
*
*/
public interface CommandQueue {
/**
* Command queue that uses our {@link ScheduleCommand} scheduler.
*/
public static final CommandQueue HIGH_PRIORITY = new CommandQueue() {
/** Schedule */
public void addCommand(final Command command) {
SchedulerInstance.getHighPriorityTimer().schedule(new Scheduler.Task() {
public void execute() {
command.execute();
}
});
}
};
/**
* Adds a command to this queue.
*
* @param c
*/
// TODO(user): rename to just add().
void addCommand(Command c);
}