TicketsAcceptableProvider.java

/**
 * diqube: Distributed Query Base.
 *
 * Copyright (C) 2015 Bastian Gloeckle
 *
 * This file is part of diqube.
 *
 * diqube is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.diqube.ui.ticket;

import org.diqube.thrift.base.thrift.Ticket;

/**
 * Provides decision if any tickets are allowed to be accepted by the UI.
 *
 * @author Bastian Gloeckle
 */
public interface TicketsAcceptableProvider {
  /**
   * @return <code>true</code> if {@link Ticket}s may be accepted by the UI, <code>false</code> if no {@link Ticket}s at
   *         all must be accepted currently. Note that even when this method returns <code>true</code>, the
   *         corresponding {@link Ticket}s' validity has still to be checked!
   */
  public boolean areTicketsAcceptable();
}