org.camunda.bpm.engine.rest.impl.history.HistoricTaskInstanceRestServiceImpl Maven / Gradle / Ivy
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* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.rest.impl.history;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.history.HistoricTaskInstance;
import org.camunda.bpm.engine.history.HistoricTaskInstanceQuery;
import org.camunda.bpm.engine.history.HistoricTaskInstanceReportResult;
import org.camunda.bpm.engine.history.ReportResult;
import org.camunda.bpm.engine.rest.dto.AbstractReportDto;
import org.camunda.bpm.engine.rest.dto.CountResultDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricTaskInstanceDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricTaskInstanceQueryDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricTaskInstanceReportQueryDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricTaskInstanceReportResultDto;
import org.camunda.bpm.engine.rest.dto.history.ReportResultDto;
import org.camunda.bpm.engine.rest.exception.InvalidRequestException;
import org.camunda.bpm.engine.rest.history.HistoricTaskInstanceRestService;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import java.util.ArrayList;
import java.util.List;
/**
* @author Roman Smirnov
*
*/
public class HistoricTaskInstanceRestServiceImpl implements HistoricTaskInstanceRestService {
protected ObjectMapper objectMapper;
protected ProcessEngine processEngine;
public HistoricTaskInstanceRestServiceImpl(ObjectMapper objectMapper, ProcessEngine processEngine) {
this.objectMapper = objectMapper;
this.processEngine = processEngine;
}
@Override
public List getHistoricTaskInstances(UriInfo uriInfo, Integer firstResult, Integer maxResults) {
HistoricTaskInstanceQueryDto queryDto = new HistoricTaskInstanceQueryDto(objectMapper, uriInfo.getQueryParameters());
return queryHistoricTaskInstances(queryDto, firstResult, maxResults);
}
@Override
public List queryHistoricTaskInstances(HistoricTaskInstanceQueryDto queryDto, Integer firstResult, Integer maxResults) {
queryDto.setObjectMapper(objectMapper);
HistoricTaskInstanceQuery query = queryDto.toQuery(processEngine);
List match;
if (firstResult != null || maxResults != null) {
match = executePaginatedQuery(query, firstResult, maxResults);
} else {
match = query.list();
}
List result = new ArrayList();
for (HistoricTaskInstance taskInstance : match) {
HistoricTaskInstanceDto taskInstanceDto = HistoricTaskInstanceDto.fromHistoricTaskInstance(taskInstance);
result.add(taskInstanceDto);
}
return result;
}
private List executePaginatedQuery(HistoricTaskInstanceQuery query, Integer firstResult, Integer maxResults) {
if (firstResult == null) {
firstResult = 0;
}
if (maxResults == null) {
maxResults = Integer.MAX_VALUE;
}
return query.listPage(firstResult, maxResults);
}
@Override
public CountResultDto getHistoricTaskInstancesCount(UriInfo uriInfo) {
HistoricTaskInstanceQueryDto queryDto = new HistoricTaskInstanceQueryDto(objectMapper, uriInfo.getQueryParameters());
return queryHistoricTaskInstancesCount(queryDto);
}
@Override
public CountResultDto queryHistoricTaskInstancesCount(HistoricTaskInstanceQueryDto queryDto) {
queryDto.setObjectMapper(objectMapper);
HistoricTaskInstanceQuery query = queryDto.toQuery(processEngine);
long count = query.count();
CountResultDto result = new CountResultDto();
result.setCount(count);
return result;
}
@Override
public Response getHistoricTaskInstanceReport(UriInfo uriInfo) {
HistoricTaskInstanceReportQueryDto queryDto = new HistoricTaskInstanceReportQueryDto(objectMapper, uriInfo.getQueryParameters());
Response response;
if (AbstractReportDto.REPORT_TYPE_DURATION.equals(queryDto.getReportType())) {
List reportResults = queryDto.executeReport(processEngine);
response = Response.ok(generateDurationDto(reportResults)).build();
} else if (AbstractReportDto.REPORT_TYPE_COUNT.equals(queryDto.getReportType())) {
List reportResults = queryDto.executeCompletedReport(processEngine);
response = Response.ok(generateCountDto(reportResults)).build();
} else {
throw new InvalidRequestException(Response.Status.BAD_REQUEST, "Parameter reportType is not set.");
}
return response;
}
protected List generateCountDto(List results) {
List dtoList = new ArrayList();
for( HistoricTaskInstanceReportResult result : results ) {
dtoList.add(HistoricTaskInstanceReportResultDto.fromHistoricTaskInstanceReportResult(result));
}
return dtoList;
}
protected List generateDurationDto(List results) {
List dtoList = new ArrayList();
for( ReportResult result : results ) {
dtoList.add(ReportResultDto.fromReportResult(result));
}
return dtoList;
}
}