ConfigurationRecordDto.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.common.dto;

import com.fasterxml.jackson.annotation.JsonIgnore;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class ConfigurationRecordDto extends StructureRecordDto<ConfigurationDto>
        implements Serializable, Comparable<ConfigurationRecordDto> {

  private static final long serialVersionUID = 5838762122987694212L;

  public ConfigurationRecordDto() {
    super();
  }

  public ConfigurationRecordDto(
          ConfigurationDto activeConfiguration, ConfigurationDto inactiveConfiguration) {
    super(activeConfiguration, inactiveConfiguration);
  }

  /**
   * Converts a configuration into a configuration record.
   *
   * @param configurations the configurations for converting
   * @return converted configurations
   */
  public static List<ConfigurationRecordDto> convertToConfigurationRecords(
          Collection<ConfigurationDto> configurations) {
    Map<String, ConfigurationRecordDto> configurationRecordsMap = new HashMap<>();
    for (ConfigurationDto configuration : configurations) {
      ConfigurationRecordDto configurationRecord = configurationRecordsMap
              .get(configuration.getSchemaId());
      if (configurationRecord == null) {
        configurationRecord = new ConfigurationRecordDto();
        configurationRecordsMap.put(configuration.getSchemaId(), configurationRecord);
      }
      if (configuration.getStatus() == UpdateStatus.ACTIVE) {
        configurationRecord.setActiveStructureDto(configuration);
      } else if (configuration.getStatus() == UpdateStatus.INACTIVE) {
        configurationRecord.setInactiveStructureDto(configuration);
      }
    }
    return new ArrayList<>(configurationRecordsMap.values());
  }

  @JsonIgnore
  public int getSchemaVersion() {
    return activeStructureDto != null ? activeStructureDto.getSchemaVersion() :
            inactiveStructureDto.getSchemaVersion();
  }

  @JsonIgnore
  public String getSchemaId() {
    return activeStructureDto != null ? activeStructureDto.getSchemaId() :
            inactiveStructureDto.getSchemaId();
  }

  @Override
  public int compareTo(ConfigurationRecordDto configurationRecordDto) {
    return this.getSchemaVersion() - configurationRecordDto.getSchemaVersion();
  }

  @Override
  public boolean equals(Object obj) {
    return super.equals(obj);
  }

  @Override
  public int hashCode() {
    return super.hashCode();
  }
}