EventMapDataProvider.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.ApplicationEventAction;
import org.kaaproject.kaa.common.dto.event.ApplicationEventMapDto;
import org.kaaproject.kaa.common.dto.event.EcfInfoDto;
import org.kaaproject.kaa.common.dto.event.EventClassDto;
import org.kaaproject.kaa.common.dto.event.EventClassType;
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 java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class EventMapDataProvider extends AbstractDataProvider<ApplicationEventMapDto, String> {

  private EcfInfoDto ecf;
  private List<ApplicationEventMapDto> eventMaps;

  public EventMapDataProvider(AbstractGrid<ApplicationEventMapDto, String> dataGrid,
                              HasErrorMessage hasErrorMessage) {
    super(dataGrid, hasErrorMessage);
  }

  public void setEcf(EcfInfoDto ecf) {
    this.ecf = ecf;
  }

  public void setEventMaps(List<ApplicationEventMapDto> eventMaps) {
    this.eventMaps = eventMaps;
  }

  @Override
  protected void loadData(final LoadCallback callback) {
    if (this.eventMaps == null && ecf != null) {
      KaaAdmin.getDataSource()
          .getEventClassesByFamilyIdVersionAndType(
              ecf.getEcfId(), ecf.getVersion(), EventClassType.EVENT,
              new AsyncCallback<List<EventClassDto>>() {
                @Override
                public void onFailure(Throwable caught) {
                  callback.onFailure(caught);
                }

                @Override
                public void onSuccess(List<EventClassDto> result) {
                  List<ApplicationEventMapDto> eventMaps = new ArrayList<>(result.size());
                  for (EventClassDto eventClass : result) {
                    ApplicationEventMapDto eventMap = new ApplicationEventMapDto();
                    eventMap.setEventClassId(eventClass.getId());
                    eventMap.setFqn(eventClass.getFqn());
                    eventMap.setAction(ApplicationEventAction.BOTH);
                    eventMaps.add(eventMap);
                  }
                  callback.onSuccess(eventMaps);
                }
              });
    } else if (this.eventMaps != null) {
      callback.onSuccess(this.eventMaps);
    } else {
      List<ApplicationEventMapDto> data = Collections.emptyList();
      callback.onSuccess(data);
    }
  }

}