EcfVersionDataProvider.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.admin.client.mvp.data;

import com.google.gwt.user.client.rpc.AsyncCallback;

import org.kaaproject.avro.ui.gwt.client.widget.grid.AbstractGrid;
import org.kaaproject.kaa.common.dto.event.EventClassDto;
import org.kaaproject.kaa.server.admin.client.KaaAdmin;
import org.kaaproject.kaa.server.admin.client.mvp.activity.grid.AbstractDataProvider;
import org.kaaproject.kaa.server.admin.client.util.HasErrorMessage;
import org.kaaproject.kaa.server.admin.shared.schema.EventClassViewDto;

import java.util.ArrayList;
import java.util.List;

public class EcfVersionDataProvider extends AbstractDataProvider<EventClassDto, String> {

  private String eventClassFamilyId;
  private int ecfVersion;
  private List<EventClassViewDto> eventClassViewDtoList;

  /**
   * All-args constructor.
   */
  public EcfVersionDataProvider(AbstractGrid<EventClassDto, String> dataGrid,
                                HasErrorMessage hasErrorMessage,
                                String eventClassFamilyId,
                                int ecfVersion,
                                List<EventClassViewDto> eventClassViewDtoList) {
    super(dataGrid, hasErrorMessage, false);
    this.eventClassFamilyId = eventClassFamilyId;
    this.ecfVersion = ecfVersion;
    this.eventClassViewDtoList = eventClassViewDtoList;
    addDataDisplay();
  }

  @Override
  protected void loadData(final LoadCallback callback) {

    if (ecfVersion > 0) {
      KaaAdmin.getDataSource().getEventClassesByFamilyIdVersionAndType(
          eventClassFamilyId,
          ecfVersion,
          null,
          new AsyncCallback<List<EventClassDto>>() {
            @Override
            public void onFailure(Throwable cause) {
              callback.onFailure(cause);
            }

            @Override
            public void onSuccess(List<EventClassDto> result) {
              callback.onSuccess(result);
            }
          });
    } else {
      if (eventClassViewDtoList != null) {
        List<EventClassDto> eventClassDtoList = new ArrayList<>();
        int cnt = 1;
        for (EventClassViewDto eventClassViewDto : eventClassViewDtoList) {
          if (eventClassViewDto.getSchema() != null) {
            EventClassDto eventClassDto = eventClassViewDto.getSchema();
            eventClassDto.setCreatedTime(System.currentTimeMillis());
            eventClassDto.setFqn(eventClassViewDto.getCtlSchemaForm().getMetaInfo().getFqn());
            eventClassDto.setVersion(eventClassViewDto.getCtlSchemaForm().getVersion());
            eventClassDto.setId(String.valueOf(cnt++));
            eventClassDtoList.add(eventClassDto);
          }
        }
        callback.onSuccess(eventClassDtoList);
      } else {
        callback.onSuccess(new ArrayList<EventClassDto>());
      }
    }
  }

}