Examples with RuleConstraintEvaluator org.jbpm.process.instance.impl.RuleConstraintEvaluator used on opensource projects

Example 1 with RuleConstraintEvaluator

use of org.jbpm.process.instance.impl.RuleConstraintEvaluator in project jbpm by kiegroup.

the class MultiConditionalSequenceFlowNodeBuilder method build.

public void build(Process process, ProcessDescr processDescr, ProcessBuildContext context, Node node) {
    Map<ConnectionRef, Constraint> constraints = ((NodeImpl) node).getConstraints();
    // exclude split as it is handled with separate builder and nodes with non conditional sequence flows
    if (node instanceof Split || constraints.size() == 0) {
        return;
    }
    // we need to clone the map, so we can update the original while iterating.
    Map<ConnectionRef, Constraint> map = new HashMap<ConnectionRef, Constraint>(constraints);
    for (Iterator<Map.Entry<ConnectionRef, Constraint>> it = map.entrySet().iterator(); it.hasNext(); ) {
        Map.Entry<ConnectionRef, Constraint> entry = it.next();
        ConnectionRef connection = entry.getKey();
        ConstraintImpl constraint = (ConstraintImpl) entry.getValue();
        Connection outgoingConnection = null;
        for (Connection out : ((NodeImpl) node).getDefaultOutgoingConnections()) {
            if (out.getToType().equals(connection.getToType()) && out.getTo().getId() == connection.getNodeId()) {
                outgoingConnection = out;
            }
        }
        if (outgoingConnection == null) {
            throw new IllegalArgumentException("Could not find outgoing connection");
        }
        if ("rule".equals(constraint.getType())) {
            RuleConstraintEvaluator ruleConstraint = new RuleConstraintEvaluator();
            ruleConstraint.setDialect(constraint.getDialect());
            ruleConstraint.setName(constraint.getName());
            ruleConstraint.setPriority(constraint.getPriority());
            ruleConstraint.setDefault(constraint.isDefault());
            ((NodeImpl) node).setConstraint(outgoingConnection, ruleConstraint);
        } else if ("code".equals(constraint.getType())) {
            ReturnValueConstraintEvaluator returnValueConstraint = new ReturnValueConstraintEvaluator();
            returnValueConstraint.setDialect(constraint.getDialect());
            returnValueConstraint.setName(constraint.getName());
            returnValueConstraint.setPriority(constraint.getPriority());
            returnValueConstraint.setDefault(constraint.isDefault());
            ((NodeImpl) node).setConstraint(outgoingConnection, returnValueConstraint);
            ReturnValueDescr returnValueDescr = new ReturnValueDescr();
            returnValueDescr.setText(constraint.getConstraint());
            returnValueDescr.setResource(processDescr.getResource());
            ProcessDialect dialect = ProcessDialectRegistry.getDialect(constraint.getDialect());
            dialect.getReturnValueEvaluatorBuilder().build(context, returnValueConstraint, returnValueDescr, (NodeImpl) node);
        }
    }
}

Example 2 with RuleConstraintEvaluator

use of org.jbpm.process.instance.impl.RuleConstraintEvaluator in project jbpm by kiegroup.

the class SplitNodeBuilder method build.

public void build(Process process, ProcessDescr processDescr, ProcessBuildContext context, Node node) {
    Split splitNode = (Split) node;
    if (splitNode.getType() != Split.TYPE_XOR && splitNode.getType() != Split.TYPE_OR) {
        // we only process or/xor
        return;
    }
    // we need to clone the map, so we can update the original while iterating.
    Map<ConnectionRef, Constraint> map = new HashMap<ConnectionRef, Constraint>(splitNode.getConstraints());
    for (Iterator<Map.Entry<ConnectionRef, Constraint>> it = map.entrySet().iterator(); it.hasNext(); ) {
        Map.Entry<ConnectionRef, Constraint> entry = it.next();
        ConnectionRef connection = entry.getKey();
        ConstraintImpl constraint = (ConstraintImpl) entry.getValue();
        Connection outgoingConnection = null;
        for (Connection out : splitNode.getDefaultOutgoingConnections()) {
            if (out.getToType().equals(connection.getToType()) && out.getTo().getId() == connection.getNodeId()) {
                outgoingConnection = out;
            }
        }
        if (outgoingConnection == null) {
            throw new IllegalArgumentException("Could not find outgoing connection");
        }
        if (constraint == null && splitNode.isDefault(outgoingConnection)) {
        // do nothing since conditions are ignored for default sequence flow
        } else if (constraint != null && "rule".equals(constraint.getType())) {
            RuleConstraintEvaluator ruleConstraint = new RuleConstraintEvaluator();
            ruleConstraint.setDialect(constraint.getDialect());
            ruleConstraint.setName(constraint.getName());
            ruleConstraint.setPriority(constraint.getPriority());
            ruleConstraint.setDefault(constraint.isDefault());
            ruleConstraint.setType(constraint.getType());
            ruleConstraint.setConstraint(constraint.getConstraint());
            splitNode.setConstraint(outgoingConnection, ruleConstraint);
        } else if (constraint != null && "code".equals(constraint.getType())) {
            ReturnValueConstraintEvaluator returnValueConstraint = new ReturnValueConstraintEvaluator();
            returnValueConstraint.setDialect(constraint.getDialect());
            returnValueConstraint.setName(constraint.getName());
            returnValueConstraint.setPriority(constraint.getPriority());
            returnValueConstraint.setDefault(constraint.isDefault());
            returnValueConstraint.setType(constraint.getType());
            returnValueConstraint.setConstraint(constraint.getConstraint());
            splitNode.setConstraint(outgoingConnection, returnValueConstraint);
            ReturnValueDescr returnValueDescr = new ReturnValueDescr();
            returnValueDescr.setText(constraint.getConstraint());
            returnValueDescr.setResource(processDescr.getResource());
            ProcessDialect dialect = ProcessDialectRegistry.getDialect(constraint.getDialect());
            dialect.getReturnValueEvaluatorBuilder().build(context, returnValueConstraint, returnValueDescr, (NodeImpl) node);
        }
    }
}