/* 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.camunda.bpm.engine.rest.impl.history;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.core.UriInfo;
import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.history.HistoricCaseInstance;
import org.camunda.bpm.engine.history.HistoricCaseInstanceQuery;
import org.camunda.bpm.engine.rest.dto.CountResultDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricCaseInstanceDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricCaseInstanceQueryDto;
import org.camunda.bpm.engine.rest.history.HistoricCaseInstanceRestService;
import org.camunda.bpm.engine.rest.sub.history.HistoricCaseInstanceResource;
import org.camunda.bpm.engine.rest.sub.history.impl.HistoricCaseInstanceResourceImpl;
import org.codehaus.jackson.map.ObjectMapper;
public class HistoricCaseInstanceRestServiceImpl implements HistoricCaseInstanceRestService {
protected ObjectMapper objectMapper;
protected ProcessEngine processEngine;
public HistoricCaseInstanceRestServiceImpl(ObjectMapper objectMapper, ProcessEngine processEngine) {
this.objectMapper = objectMapper;
this.processEngine = processEngine;
}
public HistoricCaseInstanceResource getHistoricCaseInstance(String caseInstanceId) {
return new HistoricCaseInstanceResourceImpl(processEngine, caseInstanceId);
}
public List<HistoricCaseInstanceDto> getHistoricCaseInstances(UriInfo uriInfo, Integer firstResult, Integer maxResults) {
HistoricCaseInstanceQueryDto queryHistoricCaseInstanceDto = new HistoricCaseInstanceQueryDto(objectMapper, uriInfo.getQueryParameters());
return queryHistoricCaseInstances(queryHistoricCaseInstanceDto, firstResult, maxResults);
}
public List<HistoricCaseInstanceDto> queryHistoricCaseInstances(HistoricCaseInstanceQueryDto queryDto, Integer firstResult, Integer maxResults) {
HistoricCaseInstanceQuery query = queryDto.toQuery(processEngine);
List<HistoricCaseInstance> matchingHistoricCaseInstances;
if (firstResult != null || maxResults != null) {
matchingHistoricCaseInstances = executePaginatedQuery(query, firstResult, maxResults);
} else {
matchingHistoricCaseInstances = query.list();
}
List<HistoricCaseInstanceDto> historicCaseInstanceDtoResults = new ArrayList<HistoricCaseInstanceDto>();
for (HistoricCaseInstance historicCaseInstance : matchingHistoricCaseInstances) {
HistoricCaseInstanceDto resultHistoricCaseInstanceDto = HistoricCaseInstanceDto.fromHistoricCaseInstance(historicCaseInstance);
historicCaseInstanceDtoResults.add(resultHistoricCaseInstanceDto);
}
return historicCaseInstanceDtoResults;
}
private List<HistoricCaseInstance> executePaginatedQuery(HistoricCaseInstanceQuery query, Integer firstResult, Integer maxResults) {
if (firstResult == null) {
firstResult = 0;
}
if (maxResults == null) {
maxResults = Integer.MAX_VALUE;
}
return query.listPage(firstResult, maxResults);
}
public CountResultDto getHistoricCaseInstancesCount(UriInfo uriInfo) {
HistoricCaseInstanceQueryDto queryDto = new HistoricCaseInstanceQueryDto(objectMapper, uriInfo.getQueryParameters());
return queryHistoricCaseInstancesCount(queryDto);
}
public CountResultDto queryHistoricCaseInstancesCount(HistoricCaseInstanceQueryDto queryDto) {
HistoricCaseInstanceQuery query = queryDto.toQuery(processEngine);
long count = query.count();
return new CountResultDto(count);
}
}