org.bonitasoft.engine.execution.NormalStateTransitionsManager Maven / Gradle / Ivy
/**
* Copyright (C) 2015 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 java.util.Map;
import org.bonitasoft.engine.core.process.instance.api.states.FlowNodeState;
import org.bonitasoft.engine.core.process.instance.model.SFlowNodeInstance;
/**
* @author Elias Ricken de Medeiros
*/
public class NormalStateTransitionsManager {
protected final Map stateTransitions;
private final SFlowNodeInstance flowNodeInstance;
public NormalStateTransitionsManager(Map stateTransitions, SFlowNodeInstance flowNodeInstance) {
this.stateTransitions = stateTransitions;
this.flowNodeInstance = flowNodeInstance;
}
public FlowNodeState getNextState(final FlowNodeState currentState) throws SIllegalStateTransition {
FlowNodeState nextState = getNextStateFromMap(currentState);
if (nextState == null) {
throw new SIllegalStateTransition(getMessage(currentState));
}
return nextState;
}
private String getMessage(FlowNodeState currentState) {
return "no state found after " + currentState.getClass().getName() + " for flow node of type " + flowNodeInstance.getClass().getName()
+ " in state category " + flowNodeInstance.getStateCategory() + ". Flow node instance: " + flowNodeInstance.toString();
}
protected FlowNodeState getNextStateFromMap(FlowNodeState currentState) {
return stateTransitions.get(currentState.getId());
}
}