Signal-Android/jobqueue/src/main/java/org/whispersystems/jobqueue/requirements/Requirement.java

30 wiersze
1015 B
Java

/**
* Copyright (C) 2014 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whispersystems.jobqueue.requirements;
import java.io.Serializable;
/**
* A Requirement that must be satisfied before a Job can run.
*/
public interface Requirement extends Serializable {
/**
* @return true if the requirement is satisfied, false otherwise.
*/
public boolean isPresent();
}