org.flowable.engine.impl.cmd.GetDataObjectCmd 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.flowable.engine.impl.cmd;
import java.io.Serializable;
import org.flowable.bpmn.model.BpmnModel;
import org.flowable.bpmn.model.SubProcess;
import org.flowable.bpmn.model.ValuedDataObject;
import org.flowable.common.engine.api.FlowableIllegalArgumentException;
import org.flowable.common.engine.api.FlowableObjectNotFoundException;
import org.flowable.common.engine.impl.interceptor.Command;
import org.flowable.common.engine.impl.interceptor.CommandContext;
import org.flowable.engine.DynamicBpmnConstants;
import org.flowable.engine.compatibility.Flowable5CompatibilityHandler;
import org.flowable.engine.impl.DataObjectImpl;
import org.flowable.engine.impl.context.BpmnOverrideContext;
import org.flowable.engine.impl.persistence.entity.ExecutionEntity;
import org.flowable.engine.impl.util.CommandContextUtil;
import org.flowable.engine.impl.util.Flowable5Util;
import org.flowable.engine.impl.util.ProcessDefinitionUtil;
import org.flowable.engine.runtime.DataObject;
import org.flowable.engine.runtime.Execution;
import org.flowable.variable.api.persistence.entity.VariableInstance;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
public class GetDataObjectCmd implements Command, Serializable {
private static final long serialVersionUID = 1L;
protected String executionId;
protected String dataObjectName;
protected boolean isLocal;
protected String locale;
protected boolean withLocalizationFallback;
public GetDataObjectCmd(String executionId, String dataObjectName, boolean isLocal) {
this.executionId = executionId;
this.dataObjectName = dataObjectName;
this.isLocal = isLocal;
}
public GetDataObjectCmd(String executionId, String dataObjectName, boolean isLocal, String locale, boolean withLocalizationFallback) {
this.executionId = executionId;
this.dataObjectName = dataObjectName;
this.isLocal = isLocal;
this.locale = locale;
this.withLocalizationFallback = withLocalizationFallback;
}
@Override
public DataObject execute(CommandContext commandContext) {
if (executionId == null) {
throw new FlowableIllegalArgumentException("executionId is null");
}
if (dataObjectName == null) {
throw new FlowableIllegalArgumentException("dataObjectName is null");
}
ExecutionEntity execution = CommandContextUtil.getExecutionEntityManager(commandContext).findById(executionId);
if (execution == null) {
throw new FlowableObjectNotFoundException("execution " + executionId + " doesn't exist", Execution.class);
}
DataObject dataObject = null;
VariableInstance variableEntity = null;
if (Flowable5Util.isFlowable5ProcessDefinitionId(commandContext, execution.getProcessDefinitionId())) {
Flowable5CompatibilityHandler compatibilityHandler = Flowable5Util.getFlowable5CompatibilityHandler();
variableEntity = compatibilityHandler.getExecutionVariableInstance(executionId, dataObjectName, isLocal);
} else {
if (isLocal) {
variableEntity = execution.getVariableInstanceLocal(dataObjectName, false);
} else {
variableEntity = execution.getVariableInstance(dataObjectName, false);
}
}
String localizedName = null;
String localizedDescription = null;
if (variableEntity != null) {
ExecutionEntity executionEntity = CommandContextUtil.getExecutionEntityManager(commandContext).findById(variableEntity.getExecutionId());
while (!executionEntity.isScope()) {
executionEntity = executionEntity.getParent();
}
BpmnModel bpmnModel = ProcessDefinitionUtil.getBpmnModel(executionEntity.getProcessDefinitionId());
ValuedDataObject foundDataObject = null;
if (executionEntity.getParentId() == null) {
for (ValuedDataObject dataObjectDefinition : bpmnModel.getMainProcess().getDataObjects()) {
if (dataObjectDefinition.getName().equals(variableEntity.getName())) {
foundDataObject = dataObjectDefinition;
break;
}
}
} else {
SubProcess subProcess = (SubProcess) bpmnModel.getFlowElement(executionEntity.getActivityId());
for (ValuedDataObject dataObjectDefinition : subProcess.getDataObjects()) {
if (dataObjectDefinition.getName().equals(variableEntity.getName())) {
foundDataObject = dataObjectDefinition;
break;
}
}
}
if (locale != null && foundDataObject != null) {
ObjectNode languageNode = BpmnOverrideContext.getLocalizationElementProperties(locale, foundDataObject.getId(),
execution.getProcessDefinitionId(), withLocalizationFallback);
if (languageNode != null) {
JsonNode nameNode = languageNode.get(DynamicBpmnConstants.LOCALIZATION_NAME);
if (nameNode != null) {
localizedName = nameNode.asText();
}
JsonNode descriptionNode = languageNode.get(DynamicBpmnConstants.LOCALIZATION_DESCRIPTION);
if (descriptionNode != null) {
localizedDescription = descriptionNode.asText();
}
}
}
if (foundDataObject != null) {
dataObject = new DataObjectImpl(variableEntity.getId(), variableEntity.getProcessInstanceId(), variableEntity.getExecutionId(),
variableEntity.getName(), variableEntity.getValue(), foundDataObject.getDocumentation(),
foundDataObject.getType(), localizedName, localizedDescription, foundDataObject.getId());
}
}
return dataObject;
}
}