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/**
 * Copyright (C) 2019 Bonitasoft S.A.
 * Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301, USA.
 **/
package org.bonitasoft.engine.execution.state;

import org.bonitasoft.engine.commons.exceptions.SBonitaException;
import org.bonitasoft.engine.core.expression.control.model.SExpressionContext;
import org.bonitasoft.engine.core.operation.OperationService;
import org.bonitasoft.engine.core.process.definition.model.SCallActivityDefinition;
import org.bonitasoft.engine.core.process.definition.model.SFlowElementContainerDefinition;
import org.bonitasoft.engine.core.process.definition.model.SProcessDefinition;
import org.bonitasoft.engine.core.process.instance.api.ProcessInstanceService;
import org.bonitasoft.engine.core.process.instance.api.exceptions.SActivityStateExecutionException;
import org.bonitasoft.engine.core.process.instance.model.SActivityInstance;
import org.bonitasoft.engine.core.process.instance.model.SFlowNodeInstance;
import org.bonitasoft.engine.core.process.instance.model.SProcessInstance;
import org.bonitasoft.engine.data.instance.api.DataInstanceContainer;
import org.bonitasoft.engine.execution.StateBehaviors;
import org.bonitasoft.engine.execution.archive.BPMArchiverService;
import org.springframework.stereotype.Component;

@Component
public class CompletingCallActivityState extends CompletingActivityState {

    private final OperationService operationService;
    private final ProcessInstanceService processInstanceService;
    private final BPMArchiverService bpmArchiverService;

    public CompletingCallActivityState(StateBehaviors stateBehaviors, OperationService operationService,
            ProcessInstanceService processInstanceService,
            BPMArchiverService bpmArchiverService) {
        super(stateBehaviors);
        this.operationService = operationService;
        this.processInstanceService = processInstanceService;
        this.bpmArchiverService = bpmArchiverService;
    }

    @Override
    protected void beforeConnectors(final SProcessDefinition processDefinition,
            final SFlowNodeInstance flowNodeInstance)
            throws SActivityStateExecutionException {
        executeDataOutputOperations(processDefinition, flowNodeInstance);
        stateBehaviors.executeOperations(processDefinition, (SActivityInstance) flowNodeInstance);
    }

    private void executeDataOutputOperations(final SProcessDefinition processDefinition,
            final SFlowNodeInstance instance)
            throws SActivityStateExecutionException {
        final SFlowElementContainerDefinition processContainer = processDefinition.getProcessContainer();
        final SCallActivityDefinition callActivityDef = (SCallActivityDefinition) processContainer
                .getFlowNode(instance.getFlowNodeDefinitionId());
        try {
            final SProcessInstance childProcInst = processInstanceService.getChildOfActivity(instance.getId());
            final SExpressionContext expressionContext = new SExpressionContext(childProcInst.getId(),
                    DataInstanceContainer.PROCESS_INSTANCE.name(),
                    childProcInst.getProcessDefinitionId());
            expressionContext.setParentProcessDefinitionId(instance.getProcessDefinitionId());
            operationService.execute(callActivityDef.getDataOutputOperations(), instance.getId(),
                    DataInstanceContainer.ACTIVITY_INSTANCE.name(),
                    expressionContext);
            // archive child process instance
            bpmArchiverService.archiveAndDeleteProcessInstance(childProcInst);
        } catch (final SBonitaException e) {
            throw new SActivityStateExecutionException(e);
        }
    }

    @Override
    public int getId() {
        return 30;
    }

}