Examples of org.apache.commons.scxml2.Evaluator.evalCond()

Class org.apache.commons.scxml2.Evaluator

Examples of org.apache.commons.scxml2.Evaluator.evalCond()

org.apache.commons.scxml2.Evaluator.evalCond()
Evaluate a condition. Manifests as "cond" attributes of <transition>, <if> and <elseif> elements. @param ctx variable context @param expr expression @return true/false @throws SCXMLExpressionException A malformed exception

        Context ctx = exctx.getContext(parentState);
        Evaluator eval = exctx.getEvaluator();
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        Boolean rslt;
        try {
            rslt = eval.evalCond(ctx, cond);
            if (rslt == null) {
                if (exctx.getAppLog().isDebugEnabled()) {
                    exctx.getAppLog().debug("Treating as false because the cond expression was evaluated as null: '"
                            + cond + "'");
                }

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                break;
            } else if (aa instanceof Else) {
                execute = true;
            } else if (aa instanceof ElseIf) {
                ctx.setLocal(getNamespacesKey(), getNamespaces());
                execute = eval.evalCond(ctx, ((ElseIf) aa).getCond());
                ctx.setLocal(getNamespacesKey(), null);
            }
        }
    }

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