/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.airavata.metascheduler.core.api;

/**
 * Provides interfaces for Process related scheduling operations
 */
public interface ProcessScheduler {

    /**
     * This method checks experiment can be instantly scheduled to a computer resource,
     * If it can be scheduled, Processes are updated with selected Scheduling resource otherwise all are
     *  moved to Queued state
     * @param experimentId
     * @return boolean
     */
    boolean canLaunch(String experimentId);

    /**
     * This method can be used to reschedule a failed experiment.
     * If experiment can be scheduled instantly, Processes are updated with scheduling resources, otherwise
     * is moved to Queued state
     * @param experimentId
     * @return boolean
     */
    boolean reschedule(String experimentId);
}
