EndpointGroup.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kaaproject.kaa.server.common.dao.model.sql;

import static org.kaaproject.kaa.server.common.dao.DaoConstants.DESCRIPTION_ROW_LENGTH;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_APPLICATION_ID;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_CREATED_TIME;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_CREATED_USERNAME;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_DESCRIPTION;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_ENDPOINT_COUNT;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_NAME;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_SEQUENCE_NUMBER;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_TABLE_NAME;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ENDPOINT_GROUP_WEIGHT;
import static org.kaaproject.kaa.server.common.dao.model.sql.ModelUtils.getLongId;
import static org.kaaproject.kaa.server.common.dao.model.sql.ModelUtils.getTopic;
import static org.kaaproject.kaa.server.common.dao.model.sql.ModelUtils.getTopicIds;

import org.hibernate.annotations.OnDelete;
import org.hibernate.annotations.OnDeleteAction;
import org.kaaproject.kaa.common.dto.EndpointGroupDto;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;

@Entity
@Table(name = ENDPOINT_GROUP_TABLE_NAME, uniqueConstraints = {
    @UniqueConstraint(columnNames = {ENDPOINT_GROUP_WEIGHT, ENDPOINT_GROUP_APPLICATION_ID}),
    @UniqueConstraint(columnNames = {ENDPOINT_GROUP_NAME, ENDPOINT_GROUP_APPLICATION_ID})})
public class EndpointGroup extends GenericModel<EndpointGroupDto> implements Serializable {

  private static final long serialVersionUID = -2160369956685033697L;

  @Column(name = ENDPOINT_GROUP_NAME)
  private String name;

  @Column(name = ENDPOINT_GROUP_SEQUENCE_NUMBER)
  private int sequenceNumber;

  @Column(name = ENDPOINT_GROUP_WEIGHT)
  private int weight;

  @Column(name = ENDPOINT_GROUP_ENDPOINT_COUNT)
  private long endpointCount;

  @Column(name = ENDPOINT_GROUP_DESCRIPTION, length = DESCRIPTION_ROW_LENGTH)
  private String description;

  @Column(name = ENDPOINT_GROUP_CREATED_USERNAME)
  private String createdUsername;

  @Column(name = ENDPOINT_GROUP_CREATED_TIME)
  private long createdTime;

  @ManyToOne(fetch = FetchType.LAZY)
  @JoinColumn(name = ENDPOINT_GROUP_APPLICATION_ID, nullable = false)
  @OnDelete(action = OnDeleteAction.CASCADE)
  private Application application;

  @ManyToMany(mappedBy = "endpointGroups")
  private Set<Topic> topics = new HashSet<>();

  public EndpointGroup() {
  }

  public EndpointGroup(Long id) {
    this.id = id;
  }

  /**
   * Create instance of <code>EndpointGroup</code>.
   *
   * @param dto data transfer object
   */
  public EndpointGroup(EndpointGroupDto dto) {
    if (dto != null) {
      this.id = getLongId(dto);
      this.name = dto.getName();
      this.sequenceNumber = dto.getSequenceNumber();
      this.weight = dto.getWeight();
      this.description = dto.getDescription();
      this.createdUsername = dto.getCreatedUsername();
      this.createdTime = dto.getCreatedTime();
      Long appId = getLongId(dto.getApplicationId());
      this.application = appId != null ? new Application(appId) : null;
      this.topics = getTopic(dto.getTopics());
    }
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  public int getSequenceNumber() {
    return sequenceNumber;
  }

  public void setSequenceNumber(int sequenceNumber) {
    this.sequenceNumber = sequenceNumber;
  }

  public int getWeight() {
    return weight;
  }

  public void setWeight(int weight) {
    this.weight = weight;
  }

  public long getEndpointCount() {
    return endpointCount;
  }

  public void setEndpointCount(long endpointCount) {
    this.endpointCount = endpointCount;
  }

  public String getDescription() {
    return description;
  }

  public void setDescription(String description) {
    this.description = description;
  }

  public String getCreatedUsername() {
    return createdUsername;
  }

  public void setCreatedUsername(String createdUsername) {
    this.createdUsername = createdUsername;
  }

  public long getCreatedTime() {
    return createdTime;
  }

  public void setCreatedTime(long createdTime) {
    this.createdTime = createdTime;
  }

  public Application getApplication() {
    return application;
  }

  public void setApplication(Application application) {
    this.application = application;
  }

  public Set<Topic> getTopics() {
    return topics;
  }

  public void setTopics(Set<Topic> topics) {
    this.topics = topics;
  }

  public String getApplicationId() {
    return application != null ? application.getStringId() : null;
  }

  @Override
  public String toString() {
    return "EndpointGroup [name=" + name + ", sequenceNumber=" + sequenceNumber + ", weight="
            + weight + ", endpointCount=" + endpointCount + ", description=" + description
            + ", createdUsername=" + createdUsername + ", createdTime=" + createdTime + ", id="
            + id + "]";
  }

  protected EndpointGroupDto createDto() {
    return new EndpointGroupDto();
  }

  @Override
  protected GenericModel<EndpointGroupDto> newInstance(Long id) {
    return new EndpointGroup(id);
  }

  @Override
  public EndpointGroupDto toDto() {
    EndpointGroupDto dto = createDto();
    dto.setId(getStringId());
    dto.setDescription(description);
    dto.setCreatedUsername(createdUsername);
    dto.setCreatedTime(createdTime);
    if (application != null) {
      dto.setApplicationId(application.getStringId());
    }
    dto.setName(name);
    dto.setSequenceNumber(sequenceNumber);
    dto.setWeight(weight);
    dto.setTopics(getTopicIds(topics));
    return dto;
  }

  @Override
  public int hashCode() {
    final int prime = 39;
    int result = 1;
    result = prime * result + ((id == null) ? 0 : id.hashCode());
    result = prime * result + ((name == null) ? 0 : name.hashCode());
    result = prime * result + sequenceNumber;
    result = prime * result + weight;
    result = prime * result + Long.valueOf(endpointCount).hashCode();
    result = prime * result + ((description == null) ? 0 : description.hashCode());
    result = prime * result + ((createdUsername == null) ? 0 : createdUsername.hashCode());
    result = prime * result + Long.valueOf(createdTime).hashCode();
    result = prime * result + ((application == null) ? 0 : application.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    EndpointGroup other = (EndpointGroup) obj;
    if (id == null) {
      if (other.id != null) {
        return false;
      }
    } else if (!id.equals(other.id)) {
      return false;
    }
    if (name == null) {
      if (other.name != null) {
        return false;
      }
    } else if (!name.equals(other.name)) {
      return false;
    }
    if (sequenceNumber != other.sequenceNumber) {
      return false;
    }
    if (weight != other.weight) {
      return false;
    }
    if (endpointCount != other.endpointCount) {
      return false;
    }
    if (description == null) {
      if (other.description != null) {
        return false;
      }
    } else if (!description.equals(other.description)) {
      return false;
    }
    if (createdUsername == null) {
      if (other.createdUsername != null) {
        return false;
      }
    } else if (!createdUsername.equals(other.createdUsername)) {
      return false;
    }
    if (createdTime != other.createdTime) {
      return false;
    }
    if (application == null) {
      if (other.application != null) {
        return false;
      }
    } else if (!application.equals(other.application)) {
      return false;
    }
    return true;
  }
}