Examples of org.apache.tapestry5.services.Heartbeat.begin()

Class org.apache.tapestry5.services.Heartbeat

Examples of org.apache.tapestry5.services.Heartbeat.begin()

org.apache.tapestry5.services.Heartbeat.begin()
Begins a new Heartbeat. Heartbeats nest. Every call to begin() should be matched by a call to {@link #end()}.


            boolean isVoid = sig.getReturnType().equals("void");


            BodyBuilder builder = new BodyBuilder();


            builder.begin();


            if (!isVoid)
                builder.add("return ");


            builder.add("$1.%s(", sig.getMethodName());

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            // this does nothing. but for primitive types, it will unwrap
            // the wrapper type back to a primitive.


            BodyBuilder builder = new BodyBuilder();


            builder.begin();


            builder.addln("%s result = ($r) ((%s) %s.get());", type, cast, conduitFieldName);


            if (developmentMode)
            {

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        builder.begin();


        builder.addln("if ($1.isAborted()) return $_;");


        builder.addln("try");
        builder.begin();


        for (TransformMethodSignature method : methods)
            addCodeForMethod(builder, method, transformation, model);


        builder.end(); // try

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        if (cache)
        {
            builder.clear();


            builder.addln("if (! %s.isInvariant())", accessFieldName);
            builder.begin();
            builder.addln("%s = %s;", fieldName, defaultFieldName);
            builder.addln("%s = false;", cachedFieldName);
            builder.end();


            // Clean up after the component renders.

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                                 String parameterName,
                                 String fieldType, String resourcesFieldName,
                                 ClassTransformation transformation)
    {
        BodyBuilder builder = new BodyBuilder();
        builder.begin();


        // Before the component is loaded, updating the property sets the default value
        // for the parameter. The value is stored in the field, but will be
        // rolled into default field inside containingPageDidLoad().

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        // Before the component is loaded, updating the property sets the default value
        // for the parameter. The value is stored in the field, but will be
        // rolled into default field inside containingPageDidLoad().


        builder.addln("if (! %s.isLoaded())", resourcesFieldName);
        builder.begin();
        builder.addln("%s = $1;", fieldName);
        builder.addln("return;");
        builder.end();


        // Always start by updating the parameter; this will implicitly check for

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    private void addReaderMethod(String fieldName, String cachedFieldName, String accessFieldName, boolean cache,
                                 String parameterName, String fieldType, String resourcesFieldName,
                                 ClassTransformation transformation)
    {
        BodyBuilder builder = new BodyBuilder();
        builder.begin();


        // While the component is still loading, or when the value for the component is cached,
        // or if the value is not bound, then return the current value of the field.


        builder.addln("if (%s || ! %s.isLoaded() || ! %s.isBound()) return %s;", cachedFieldName,

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        builder.add("if (%s.isInvariant()", accessFieldName);


        if (cache) builder.add(" || %s.isRendering()", resourcesFieldName);


        builder.addln(")");
        builder.begin();
        builder.addln("%s = result;", fieldName);
        builder.addln("%s = true;", cachedFieldName);
        builder.end();


        builder.addln("return result;");

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        if (methods.isEmpty()) return;


        model.addRenderPhase(methodAnnotation);


        BodyBuilder builder = new BodyBuilder();
        builder.begin();


        // If in a subclass, and in normal order mode, invoke the super class version first.


        if (!(reverse || model.isRootClass()))
        {

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        Iterator<TransformMethodSignature> i = reverse ? InternalUtils.reverseIterator(methods) : methods
                .iterator();


        builder.addln("try");
        builder.begin();


        while (i.hasNext())
            addMethodCallToBody(builder, i.next(), transformation);


        // In reverse order in a a subclass, invoke the super method last.

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