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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.sub.externaltask.impl;
import javax.ws.rs.core.Response.Status;
import org.camunda.bpm.engine.BadUserRequestException;
import org.camunda.bpm.engine.ExternalTaskService;
import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.exception.NotFoundException;
import org.camunda.bpm.engine.externaltask.ExternalTask;
import org.camunda.bpm.engine.rest.dto.VariableValueDto;
import org.camunda.bpm.engine.rest.dto.externaltask.CompleteExternalTaskDto;
import org.camunda.bpm.engine.rest.dto.externaltask.ExtendLockOnExternalTaskDto;
import org.camunda.bpm.engine.rest.dto.externaltask.ExternalTaskBpmnError;
import org.camunda.bpm.engine.rest.dto.externaltask.ExternalTaskDto;
import org.camunda.bpm.engine.rest.dto.externaltask.ExternalTaskFailureDto;
import org.camunda.bpm.engine.rest.dto.externaltask.LockExternalTaskDto;
import org.camunda.bpm.engine.rest.dto.runtime.PriorityDto;
import org.camunda.bpm.engine.rest.dto.runtime.RetriesDto;
import org.camunda.bpm.engine.rest.exception.InvalidRequestException;
import org.camunda.bpm.engine.rest.exception.RestException;
import org.camunda.bpm.engine.rest.sub.externaltask.ExternalTaskResource;
import org.camunda.bpm.engine.variable.VariableMap;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* @author Thorben Lindhauer
*
*/
public class ExternalTaskResourceImpl implements ExternalTaskResource {
protected ProcessEngine engine;
protected String externalTaskId;
protected ObjectMapper objectMapper;
public ExternalTaskResourceImpl(ProcessEngine engine, String externalTaskId, ObjectMapper objectMapper) {
this.engine = engine;
this.externalTaskId = externalTaskId;
this.objectMapper = objectMapper;
}
@Override
public ExternalTaskDto getExternalTask() {
ExternalTask task = engine
.getExternalTaskService()
.createExternalTaskQuery()
.externalTaskId(externalTaskId)
.singleResult();
if (task == null) {
throw new RestException(Status.NOT_FOUND, "External task with id " + externalTaskId + " does not exist");
}
return ExternalTaskDto.fromExternalTask(task);
}
@Override
public String getErrorDetails() {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
try {
return externalTaskService.getExternalTaskErrorDetails(externalTaskId);
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
}
}
@Override
public void setRetries(RetriesDto dto) {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
Integer retries = dto.getRetries();
if (retries == null) {
throw new InvalidRequestException(Status.BAD_REQUEST, "The number of retries cannot be null.");
}
try {
externalTaskService.setRetries(externalTaskId, retries);
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
}
}
@Override
public void setPriority(PriorityDto dto) {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
try {
externalTaskService.setPriority(externalTaskId, dto.getPriority());
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
}
}
@Override
public void complete(CompleteExternalTaskDto dto) {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
VariableMap variables = VariableValueDto.toMap(dto.getVariables(), engine, objectMapper);
VariableMap localVariables = VariableValueDto.toMap(dto.getLocalVariables(), engine, objectMapper);
try {
externalTaskService.complete(externalTaskId, dto.getWorkerId(), variables, localVariables);
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
} catch (BadUserRequestException e) {
throw new RestException(Status.BAD_REQUEST, e, e.getMessage());
}
}
@Override
public void handleFailure(ExternalTaskFailureDto dto) {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
try {
externalTaskService.handleFailure(externalTaskId,
dto.getWorkerId(),
dto.getErrorMessage(),
dto.getErrorDetails(),
dto.getRetries(),
dto.getRetryTimeout(),
VariableValueDto.toMap(dto.getVariables(), engine, objectMapper),
VariableValueDto.toMap(dto.getLocalVariables(), engine, objectMapper));
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
} catch (BadUserRequestException e) {
throw new RestException(Status.BAD_REQUEST, e, e.getMessage());
}
}
@Override
public void handleBpmnError(ExternalTaskBpmnError dto) {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
try {
externalTaskService.handleBpmnError(externalTaskId, dto.getWorkerId(), dto.getErrorCode(), dto.getErrorMessage(), VariableValueDto.toMap(dto.getVariables(), engine, objectMapper));
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
} catch (BadUserRequestException e) {
throw new RestException(Status.BAD_REQUEST, e, e.getMessage());
}
}
@Override
public void lock(LockExternalTaskDto lockExternalTaskDto) {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
try {
externalTaskService
.lock(externalTaskId, lockExternalTaskDto.getWorkerId(), lockExternalTaskDto.getLockDuration());
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
} catch (BadUserRequestException e) {
throw new RestException(Status.BAD_REQUEST, e, e.getMessage());
}
}
@Override
public void extendLock(ExtendLockOnExternalTaskDto extendLockDto) {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
try {
externalTaskService.extendLock(externalTaskId, extendLockDto.getWorkerId(), extendLockDto.getNewDuration());
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
} catch (BadUserRequestException e) {
throw new RestException(Status.BAD_REQUEST, e, e.getMessage());
}
}
@Override
public void unlock() {
ExternalTaskService externalTaskService = engine.getExternalTaskService();
try {
externalTaskService.unlock(externalTaskId);
} catch (NotFoundException e) {
throw new RestException(Status.NOT_FOUND, e, "External task with id " + externalTaskId + " does not exist");
}
}
}
