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/* 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.common.engine.impl.interceptor.Command;
import org.flowable.common.engine.impl.interceptor.CommandContext;
import org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.flowable.engine.impl.util.CommandContextUtil;
import org.flowable.entitylink.api.history.HistoricEntityLinkService;

public class DeleteRelatedDataOfRemovedHistoricProcessInstancesCmd implements Command, Serializable {

    private static final long serialVersionUID = 1L;

    @Override
    public Object execute(CommandContext commandContext) {
        ProcessEngineConfigurationImpl processEngineConfiguration = CommandContextUtil.getProcessEngineConfiguration(commandContext);
        processEngineConfiguration.getIdentityLinkServiceConfiguration().getHistoricIdentityLinkService().deleteHistoricProcessIdentityLinksForNonExistingInstances();
        processEngineConfiguration.getIdentityLinkServiceConfiguration().getHistoricIdentityLinkService().deleteHistoricTaskIdentityLinksForNonExistingInstances();
        if (processEngineConfiguration.isEnableEntityLinks()) {
            HistoricEntityLinkService historicEntityLinkService = processEngineConfiguration.getEntityLinkServiceConfiguration().getHistoricEntityLinkService();
            if (historicEntityLinkService != null) {
                historicEntityLinkService.deleteHistoricEntityLinksForNonExistingProcessInstances();
            }
        }
        processEngineConfiguration.getTaskServiceConfiguration().getHistoricTaskService().deleteHistoricTaskLogEntriesForNonExistingProcessInstances();
        processEngineConfiguration.getVariableServiceConfiguration().getHistoricVariableService().deleteHistoricVariableInstancesForNonExistingProcessInstances();
        processEngineConfiguration.getHistoricDetailEntityManager().deleteHistoricDetailForNonExistingProcessInstances();

        return null;
    }

}
    

    

    
            
    
            







    
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