org.activiti.rest.service.api.runtime.SignalResource Maven / Gradle / Ivy
/* 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.activiti.rest.service.api.runtime;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletResponse;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.RuntimeService;
import org.activiti.rest.service.api.RestResponseFactory;
import org.activiti.rest.service.api.engine.variable.RestVariable;
import org.activiti.rest.service.api.runtime.process.SignalEventReceivedRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
/**
* Resource for notifying the engine a signal event has been received, independent of an execution.
*
* @author Frederik Heremans
*/
@RestController
public class SignalResource {
@Autowired
protected RestResponseFactory restResponseFactory;
@Autowired
protected RuntimeService runtimeService;
@RequestMapping(value="/runtime/signals", method = RequestMethod.POST)
public void signalEventReceived(@RequestBody SignalEventReceivedRequest signalRequest, HttpServletResponse response) {
if (signalRequest.getSignalName() == null) {
throw new ActivitiIllegalArgumentException("signalName is required");
}
Map signalVariables = null;
if (signalRequest.getVariables() != null) {
signalVariables = new HashMap();
for (RestVariable variable : signalRequest.getVariables()) {
if (variable.getName() == null) {
throw new ActivitiIllegalArgumentException("Variable name is required.");
}
signalVariables.put(variable.getName(), restResponseFactory.getVariableValue(variable));
}
}
if (signalRequest.isAsync()) {
if(signalVariables != null) {
throw new ActivitiIllegalArgumentException("Async signals cannot take variables as payload");
}
if (signalRequest.isCustomTenantSet()) {
runtimeService.signalEventReceivedAsyncWithTenantId(signalRequest.getSignalName(), signalRequest.getTenantId());
} else {
runtimeService.signalEventReceivedAsync(signalRequest.getSignalName());
}
response.setStatus(HttpStatus.ACCEPTED.value());
} else {
if (signalRequest.isCustomTenantSet()) {
runtimeService.signalEventReceivedWithTenantId(signalRequest.getSignalName(), signalVariables, signalRequest.getTenantId());
} else {
runtimeService.signalEventReceived(signalRequest.getSignalName(), signalVariables);
}
response.setStatus(HttpStatus.NO_CONTENT.value());
}
}
}