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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;

import org.bonitasoft.engine.commons.exceptions.SBonitaException;
import org.bonitasoft.engine.core.process.instance.api.exceptions.SFlowNodeExecutionException;
import org.bonitasoft.engine.core.process.instance.api.exceptions.SFlowNodeReadException;
import org.bonitasoft.engine.core.process.instance.api.states.FlowNodeState;
import org.bonitasoft.engine.core.process.instance.model.SFlowNodeInstance;

/**
 * @author Baptiste Mesta
 * @author Celine Souchet
 */
public interface ContainerExecutor {

    /**
     * Method called to notify this container executor that a child reached the given state
     *
     * @param processDefinitionId
     *        The identifier of the process definition
     * @param parentId
     *        The identifier of the parent of the flow node
     * @param childFlowNode
     * @throws SBonitaException
     */
    void childFinished(long processDefinitionId, long parentId, SFlowNodeInstance childFlowNode)
            throws SBonitaException;

    /**
     * Execute a flow node in the context of this container executor
     *
     * @param flowNodeInstance
     *        The flow node instance
     * @param executerId
     *        The identifier of the user which execute the flow node
     * @param executerSubstituteId
     *        The identifier of the delegated user which execute the flow node
     * @return The new state of the flow node after execution
     * @throws SFlowNodeReadException
     * @throws SFlowNodeExecutionException
     *         Throw if there is an error when execute the flow node
     */
    FlowNodeState executeFlowNode(SFlowNodeInstance flowNodeInstance,
            final Long executerId, final Long executerSubstituteId)
            throws SFlowNodeReadException, SFlowNodeExecutionException;

    /**
     * @return The handled type
     */
    String getHandledType();

}