/* 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;
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.rest.ExecutionRestService;
import org.camunda.bpm.engine.rest.dto.CountResultDto;
import org.camunda.bpm.engine.rest.dto.runtime.ExecutionDto;
import org.camunda.bpm.engine.rest.dto.runtime.ExecutionQueryDto;
import org.camunda.bpm.engine.rest.sub.runtime.ExecutionResource;
import org.camunda.bpm.engine.rest.sub.runtime.impl.ExecutionResourceImpl;
import org.camunda.bpm.engine.runtime.Execution;
import org.camunda.bpm.engine.runtime.ExecutionQuery;
import org.codehaus.jackson.map.ObjectMapper;
public class ExecutionRestServiceImpl extends AbstractRestProcessEngineAware implements ExecutionRestService {
public ExecutionRestServiceImpl(String engineName, ObjectMapper objectMapper) {
super(engineName, objectMapper);
}
@Override
public ExecutionResource getExecution(String executionId) {
return new ExecutionResourceImpl(getProcessEngine(), executionId, getObjectMapper());
}
@Override
public List<ExecutionDto> getExecutions(UriInfo uriInfo, Integer firstResult,
Integer maxResults) {
ExecutionQueryDto queryDto = new ExecutionQueryDto(getObjectMapper(), uriInfo.getQueryParameters());
return queryExecutions(queryDto, firstResult, maxResults);
}
@Override
public List<ExecutionDto> queryExecutions(
ExecutionQueryDto queryDto, Integer firstResult, Integer maxResults) {
ProcessEngine engine = getProcessEngine();
queryDto.setObjectMapper(getObjectMapper());
ExecutionQuery query = queryDto.toQuery(engine);
List<Execution> matchingExecutions;
if (firstResult != null || maxResults != null) {
matchingExecutions = executePaginatedQuery(query, firstResult, maxResults);
} else {
matchingExecutions = query.list();
}
List<ExecutionDto> executionResults = new ArrayList<ExecutionDto>();
for (Execution execution : matchingExecutions) {
ExecutionDto resultExecution = ExecutionDto.fromExecution(execution);
executionResults.add(resultExecution);
}
return executionResults;
}
private List<Execution> executePaginatedQuery(ExecutionQuery 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 getExecutionsCount(UriInfo uriInfo) {
ExecutionQueryDto queryDto = new ExecutionQueryDto(getObjectMapper(), uriInfo.getQueryParameters());
return queryExecutionsCount(queryDto);
}
@Override
public CountResultDto queryExecutionsCount(ExecutionQueryDto queryDto) {
ProcessEngine engine = getProcessEngine();
queryDto.setObjectMapper(getObjectMapper());
ExecutionQuery query = queryDto.toQuery(engine);
long count = query.count();
CountResultDto result = new CountResultDto();
result.setCount(count);
return result;
}
}