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Axolotl library for Java

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/**
 * Copyright (C) 2014-2015 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 .
 */
package org.whispersystems.libaxolotl.groups;

import org.whispersystems.libaxolotl.AxolotlAddress;

/**
 * A representation of a (groupId + senderId + deviceId) tuple.
 */
public class SenderKeyName {

  private final String         groupId;
  private final AxolotlAddress sender;

  public SenderKeyName(String groupId, AxolotlAddress sender) {
    this.groupId  = groupId;
    this.sender   = sender;
  }

  public String getGroupId() {
    return groupId;
  }

  public AxolotlAddress getSender() {
    return sender;
  }

  public String serialize() {
    return groupId + "::" + sender.getName() + "::" + String.valueOf(sender.getDeviceId());
  }

  @Override
  public boolean equals(Object other) {
    if (other == null)                     return false;
    if (!(other instanceof SenderKeyName)) return false;

    SenderKeyName that = (SenderKeyName)other;

    return
        this.groupId.equals(that.groupId) &&
        this.sender.equals(that.sender);
  }

  @Override
  public int hashCode() {
    return this.groupId.hashCode() ^ this.sender.hashCode();
  }

}