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/**
 * The FreeBSD Copyright
 * Copyright 1994-2008 The FreeBSD Project. All rights reserved.
 * Copyright (C) 2013-2016 Philip Helger philip[at]helger[dot]com
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *    1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD PROJECT OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation
 * are those of the authors and should not be interpreted as representing
 * official policies, either expressed or implied, of the FreeBSD Project.
 */
package com.helger.as2lib.partner.xml;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import com.helger.as2lib.exception.OpenAS2Exception;
import com.helger.as2lib.partner.IPartnershipFactory;
import com.helger.commons.annotation.ReturnsMutableCopy;
import com.helger.commons.collection.ext.ICommonsList;
import com.helger.commons.collection.ext.ICommonsSet;
import com.helger.commons.state.EChange;

/**
 * This partnership factory extends {@link IPartnershipFactory} by adding
 * "partners". This can be used for providing certain fixed value on a
 * per-partner basis (e.g. email address or X509 certificate alias to the
 * keystore) without having redundancy data in all partnerships.
 *
 * @author Philip Helger
 */
public interface IPartnershipFactoryWithPartners extends IPartnershipFactory
{
  /**
   * Add a partner.
   *
   * @param aNewPartner
   *        The partner data to be used. May not be null.
   * @throws OpenAS2Exception
   *         Generic error
   */
  void addPartner (@Nonnull Partner aNewPartner) throws OpenAS2Exception;

  /**
   * Remove a partner.
   *
   * @param sPartnerName
   *        The name of the partner to be removed.
   * @return {@link EChange#CHANGED} if the partner was successfully removed,
   *         {@link EChange#UNCHANGED} if no such partner exists.
   * @throws OpenAS2Exception
   *         Generic error
   */
  @Nonnull
  EChange removePartner (@Nullable String sPartnerName) throws OpenAS2Exception;

  /**
   * Get all the partner data of the partner with the given name.
   *
   * @param sPartnerName
   *        Partner name to search. May be null.
   * @return null if no such partner exists.
   */
  @Nullable
  IPartner getPartnerOfName (@Nullable String sPartnerName);

  /**
   * @return A set with all contained partner names. Never null but
   *         maybe empty.
   */
  @Nonnull
  @ReturnsMutableCopy
  ICommonsSet  getAllPartnerNames ();

  /**
   * @return An (unordered) list of all contained partner data.
   */
  @Nonnull
  @ReturnsMutableCopy
  ICommonsList  getAllPartners ();
}