/*
 * Copyright 2015 Collective, 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 com.collective.celos.trigger;

import com.collective.celos.ScheduledTime;
import com.collective.celos.database.StateDatabaseConnection;

/**
 * Trivial trigger that always signals data availability,
 * for use when a workflow doesn't have any data dependencies
 * and simply needs to run at every scheduled time. 
 */
public class AlwaysTrigger extends Trigger {

    public AlwaysTrigger() {    
    }

    @Override
    public TriggerStatus getTriggerStatus(StateDatabaseConnection connection, ScheduledTime now, ScheduledTime scheduledTime) throws Exception {
        return makeTriggerStatus(true, "Always ready");
    }

}