org.flowable.app.engine.impl.cmd.RemoveVariableCmd 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.app.engine.impl.cmd;
import org.flowable.app.engine.impl.util.CommandContextUtil;
import org.flowable.common.engine.api.FlowableException;
import org.flowable.common.engine.api.FlowableIllegalArgumentException;
import org.flowable.common.engine.api.scope.ScopeTypes;
import org.flowable.common.engine.impl.interceptor.Command;
import org.flowable.common.engine.impl.interceptor.CommandContext;
import org.flowable.variable.service.VariableService;
import org.flowable.variable.service.impl.persistence.entity.VariableInstanceEntity;
/**
* @author Tijs Rademakers
*/
public class RemoveVariableCmd implements Command {
protected String appDefinitionId;
protected String variableName;
public RemoveVariableCmd(String appDefinitionId, String variableName) {
this.appDefinitionId = appDefinitionId;
this.variableName = variableName;
}
@Override
public Void execute(CommandContext commandContext) {
if (appDefinitionId == null) {
throw new FlowableIllegalArgumentException("appDefinitionId is null");
}
if (variableName == null) {
throw new FlowableIllegalArgumentException("variableName is null");
}
VariableService variableService = CommandContextUtil.getVariableService(commandContext);
VariableInstanceEntity variableInstance = variableService.findVariableInstanceByScopeIdAndScopeTypeAndName(appDefinitionId, ScopeTypes.APP, variableName);
if (variableInstance == null) {
throw new FlowableException("Variable not found");
}
variableService.deleteVariableInstance(variableInstance);
return null;
}
}