/* * (c) Copyright 2010-2011 AgileBirds * * This file is part of OpenFlexo. * * OpenFlexo is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * OpenFlexo 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>. * */ package org.openflexo.foundation.exec; import java.util.Vector; import java.util.logging.Logger; import org.openflexo.antar.ControlGraph; import org.openflexo.antar.Procedure; import org.openflexo.antar.ProcedureCall; import org.openflexo.foundation.bindings.BindingAssignment; import org.openflexo.foundation.wkf.edge.ExternalMessageInEdge; import org.openflexo.foundation.wkf.edge.FlexoPostCondition; import org.openflexo.foundation.wkf.node.AbstractActivityNode; import org.openflexo.foundation.wkf.node.ActionNode; import org.openflexo.foundation.wkf.node.ActivityNode; import org.openflexo.foundation.wkf.node.FlexoNode; import org.openflexo.foundation.wkf.node.NodeType; import org.openflexo.foundation.wkf.node.OperationNode; import org.openflexo.foundation.wkf.node.SelfExecutableActionNode; import org.openflexo.foundation.wkf.node.SelfExecutableActivityNode; import org.openflexo.foundation.wkf.node.SelfExecutableOperationNode; import org.openflexo.foundation.wkf.node.SubProcessNode; import org.openflexo.localization.FlexoLocalization; import org.openflexo.logging.FlexoLogger; import org.openflexo.toolbox.ToolBox; public abstract class NodeDesactivation<N extends FlexoNode> extends ControlGraphBuilder { @SuppressWarnings("unused") private static final Logger logger = FlexoLogger.getLogger(NodeDesactivation.class.getPackage().getName()); private N node; /** * Returns control graph associated to desactivation of supplied node * * @param node * @return the computed control graph * @throws NotSupportedException * when an element contained in the model is not currently supported by execution model * @throws InvalidModelException * when the model is not conform (validation should have failed) and thus workflow cannot be computed */ public static ControlGraph desactivateNode(FlexoNode node, boolean interprocedural) throws NotSupportedException, InvalidModelException { ControlGraphBuilder cgBuilder = getDesactivationNodeBuilder(node); if (cgBuilder != null) { if (interprocedural) { Procedure procedure = cgBuilder.makeProcedure(); ProcedureCall returned = new ProcedureCall(procedure); returned.appendHeaderComment("Node " + node.getName() + " is desactivating", true); return returned; } else { ControlGraph returned = cgBuilder.makeControlGraph(interprocedural); returned.appendHeaderComment("Node " + node.getName() + " is desactivating", true); return returned; } } else { throw new NotSupportedException("Dont know what to do with a " + node); } } public static ControlGraphBuilder getDesactivationNodeBuilder(FlexoNode node) throws NotSupportedException, InvalidModelException { if (node instanceof AbstractActivityNode) { if (node instanceof SubProcessNode) { return new SubProcessActivityNodeDesactivation((SubProcessNode) node); } else if (node instanceof ActivityNode) { if (node instanceof SelfExecutableActivityNode) { return new SelfExecutableActivityNodeDesactivation((SelfExecutableActivityNode) node); } else { if (node.getNodeType() == NodeType.BEGIN) { return new BeginActivityNodeDesactivation((ActivityNode) node); } else if (node.getNodeType() == NodeType.END) { return new EndActivityNodeDesactivation((ActivityNode) node); } else { // Normal node return new NormalActivityNodeDesactivation((ActivityNode) node); } } } } else if (node instanceof OperationNode) { if (node instanceof SelfExecutableOperationNode) { return new SelfExecutableOperationNodeDesactivation((SelfExecutableOperationNode) node); } else { if (node.getNodeType() == NodeType.BEGIN) { return new BeginOperationNodeDesactivation((OperationNode) node); } else if (node.getNodeType() == NodeType.END) { return new EndOperationNodeDesactivation((OperationNode) node); } else { // Normal node return new NormalOperationNodeDesactivation((OperationNode) node); } } } else if (node instanceof ActionNode) { if (node instanceof SelfExecutableActionNode) { return new SelfExecutableActionNodeDesactivation((SelfExecutableActionNode) node); } else { if (node.getNodeType() == NodeType.BEGIN) { return new BeginActionNodeDesactivation((ActionNode) node); } else if (node.getNodeType() == NodeType.END) { return new EndActionNodeDesactivation((ActionNode) node); } else { // Normal node return new NormalActionNodeDesactivation((ActionNode) node); } } } throw new NotSupportedException("Dont know what to do with a " + node); } public NodeDesactivation(N node) { super(); this.node = node; } @Override protected String getProcedureComment() { return FlexoLocalization.localizedForKeyWithParams("this_method_represents_code_to_be_executed_when_node_($0)_is_desactivated", getNode().getName()); } @Override public final ControlGraph makeControlGraph(boolean interprocedural) throws InvalidModelException, NotSupportedException { ControlGraph returned = makeSequentialControlGraph(makeControlGraphCommonPrelude(interprocedural), makeSpecificControlGraph(interprocedural), makeControlGraphCommonPostlude(interprocedural)); return returned; } public abstract ControlGraph makeSpecificControlGraph(boolean interprocedural) throws InvalidModelException, NotSupportedException; protected final ControlGraph makeControlGraphCommonPrelude(boolean interprocedural) { ControlGraph EXECUTE_DESACTIVATION_PRIMITIVE = null; ControlGraph EXECUTE_DESACTIVATION_ASSIGNMENTS = null; if (getNode().getDesactivationPrimitive() != null) { EXECUTE_DESACTIVATION_PRIMITIVE = makeControlGraphForExecutionPrimitive(getNode().getDesactivationPrimitive()); EXECUTE_DESACTIVATION_PRIMITIVE.setHeaderComment("Call desactivation primitive for node " + getNode().getName()); } if (getNode().getDesactivationAssignments().size() > 0) { Vector<ControlGraph> allAssignments = new Vector<ControlGraph>(); for (BindingAssignment assignment : getNode().getDesactivationAssignments()) { allAssignments.add(makeControlGraphForAssignment(assignment)); } EXECUTE_DESACTIVATION_ASSIGNMENTS = makeSequentialControlGraph(allAssignments); EXECUTE_DESACTIVATION_ASSIGNMENTS.setHeaderComment("Perform assignments declared for desactivation of node " + getNode().getName()); } return makeSequentialControlGraph(EXECUTE_DESACTIVATION_PRIMITIVE, EXECUTE_DESACTIVATION_ASSIGNMENTS); } protected ControlGraph makeControlGraphCommonPostlude(boolean interprocedural) throws InvalidModelException, NotSupportedException { Vector<ControlGraph> sendTokensStatements = new Vector<ControlGraph>(); for (FlexoPostCondition edge : getNode().getOutgoingPostConditions()) { sendTokensStatements.add(SendToken.sendToken(edge, interprocedural)); } ControlGraph SEND_TOKENS = makeFlowControlGraph(sendTokensStatements); Vector<ControlGraph> sendMessagesStatements = new Vector<ControlGraph>(); for (FlexoPostCondition edge : getNode().getOutgoingPostConditions()) { if (edge instanceof ExternalMessageInEdge) { sendMessagesStatements.add(SendMessage.sendMessage((ExternalMessageInEdge) edge, interprocedural)); } } ControlGraph SEND_MESSAGES = makeFlowControlGraph(sendMessagesStatements); ControlGraph returned = makeSequentialControlGraph(SEND_MESSAGES, SEND_TOKENS); return returned; } @Override protected String getProcedureName() { return "deactivate_" + ToolBox.capitalize(ToolBox.getJavaName(getNode().getName())) + "_" + getNode().getFlexoID(); } public N getNode() { return node; } public void setNode(N node) { this.node = node; } }