Interest.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2024 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program 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.turro.interest;
 
import java.util.Objects;
import java.util.Optional;
import org.turro.entities.IElephantEntity;
import org.turro.participation.ParticipationReason;
 
public class Interest {
  
  private final ParticipationReason reason;
  private final IElephantEntity entity;
  private final boolean reversed;
 
  public Interest(ParticipationReason reason, IElephantEntity entity, boolean reversed) {
    this.reason = reason;
    this.entity = entity;
    this.reversed = reversed;
  }
 
  public ParticipationReason getReason() {
    return reason;
  }
 
  public IElephantEntity getEntity() {
    return entity;
  }
 
  public boolean isReversed() {
    return reversed;
  }
  
  public String getLabel() {
    return Optional.ofNullable(entity)
            .map(e -> e.getLabel())
            .orElse("**");
  }
  
  /* Utils */
 
  @Override
  public int hashCode() {
    int hash = 7;
    hash = 71 * hash + Objects.hashCode(this.reason);
    hash = 71 * hash + Objects.hashCode(this.entity.getPath());
    return hash;
  }
 
  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    final Interest other = (Interest) obj;
    if (this.reason != other.reason) {
      return false;
    }
    return Objects.equals(this.entity.getPath(), other.entity.getPath());
  }
  
}