/* 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.HistoricCaseActivityInstance;
import org.camunda.bpm.engine.history.HistoricCaseActivityInstanceQuery;
import org.camunda.bpm.engine.rest.dto.CountResultDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricCaseActivityInstanceDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricCaseActivityInstanceQueryDto;
import org.camunda.bpm.engine.rest.history.HistoricCaseActivityInstanceRestService;
import org.camunda.bpm.engine.rest.sub.history.HistoricCaseActivityInstanceResource;
import org.camunda.bpm.engine.rest.sub.history.impl.HistoricCaseActivityInstanceResourceImpl;
import org.codehaus.jackson.map.ObjectMapper;
public class HistoricCaseActivityInstanceRestServiceImpl implements HistoricCaseActivityInstanceRestService {
protected ProcessEngine processEngine;
protected ObjectMapper objectMapper;
public HistoricCaseActivityInstanceRestServiceImpl(ObjectMapper objectMapper, ProcessEngine processEngine) {
this.objectMapper = objectMapper;
this.processEngine = processEngine;
}
public HistoricCaseActivityInstanceResource getHistoricCaseInstance(String caseActivityInstanceId) {
return new HistoricCaseActivityInstanceResourceImpl(processEngine, caseActivityInstanceId);
}
public List<HistoricCaseActivityInstanceDto> getHistoricCaseActivityInstances(UriInfo uriInfo, Integer firstResult, Integer maxResults) {
HistoricCaseActivityInstanceQueryDto queryHistoricCaseActivityInstanceDto = new HistoricCaseActivityInstanceQueryDto(objectMapper, uriInfo.getQueryParameters());
return queryHistoricCaseActivityInstances(queryHistoricCaseActivityInstanceDto, firstResult, maxResults);
}
public List<HistoricCaseActivityInstanceDto> queryHistoricCaseActivityInstances(HistoricCaseActivityInstanceQueryDto queryDto, Integer firstResult, Integer maxResults) {
HistoricCaseActivityInstanceQuery query = queryDto.toQuery(processEngine);
List<HistoricCaseActivityInstance> matchingHistoricCaseActivityInstances;
if (firstResult != null || maxResults != null) {
matchingHistoricCaseActivityInstances = executePaginatedQuery(query, firstResult, maxResults);
} else {
matchingHistoricCaseActivityInstances = query.list();
}
List<HistoricCaseActivityInstanceDto> historicCaseActivityInstanceResults = new ArrayList<HistoricCaseActivityInstanceDto>();
for (HistoricCaseActivityInstance historicCaseActivityInstance : matchingHistoricCaseActivityInstances) {
HistoricCaseActivityInstanceDto resultHistoricCaseActivityInstance = HistoricCaseActivityInstanceDto.fromHistoricCaseActivityInstance(historicCaseActivityInstance);
historicCaseActivityInstanceResults.add(resultHistoricCaseActivityInstance);
}
return historicCaseActivityInstanceResults;
}
private List<HistoricCaseActivityInstance> executePaginatedQuery(HistoricCaseActivityInstanceQuery 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 getHistoricCaseActivityInstancesCount(UriInfo uriInfo) {
HistoricCaseActivityInstanceQueryDto queryDto = new HistoricCaseActivityInstanceQueryDto(objectMapper, uriInfo.getQueryParameters());
return queryHistoricCaseActivityInstancesCount(queryDto);
}
public CountResultDto queryHistoricCaseActivityInstancesCount(HistoricCaseActivityInstanceQueryDto queryDto) {
HistoricCaseActivityInstanceQuery query = queryDto.toQuery(processEngine);
long count = query.count();
return new CountResultDto(count);
}
}