org.activiti.engine.impl.cmd.GetProcessDefinitionInfoCmd 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.engine.impl.cmd;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.deploy.DeploymentManager;
import org.activiti.engine.impl.persistence.deploy.ProcessDefinitionInfoCacheObject;
import org.activiti.engine.repository.ProcessDefinition;
import java.io.Serializable;
/**
*/
public class GetProcessDefinitionInfoCmd implements Command, Serializable {
private static final long serialVersionUID = 1L;
protected String processDefinitionId;
public GetProcessDefinitionInfoCmd(String processDefinitionId) {
this.processDefinitionId = processDefinitionId;
}
public ObjectNode execute(CommandContext commandContext) {
if (processDefinitionId == null) {
throw new ActivitiIllegalArgumentException("process definition id is null");
}
ObjectNode resultNode = null;
DeploymentManager deploymentManager = commandContext.getProcessEngineConfiguration().getDeploymentManager();
// make sure the process definition is in the cache
ProcessDefinition processDefinition = deploymentManager.findDeployedProcessDefinitionById(processDefinitionId);
ProcessDefinitionInfoCacheObject definitionInfoCacheObject = deploymentManager.getProcessDefinitionInfoCache().get(processDefinitionId);
if (definitionInfoCacheObject != null) {
resultNode = definitionInfoCacheObject.getInfoNode();
}
return resultNode;
}
}