Examples of org.apache.tapestry5.services.Heartbeat

org.apache.tapestry5.services.Heartbeat
Allows for deferred execution of logic, useful when trying to get multiple components to coordinate behavior. A component may add a command to be executed " {@linkplain #end() at the end of the heartbeat}". The classic example of this is a Label and the field it labels; since we don't know which order the two will render, we can't tell if the field's id is correct until after both have rendered.
The Heartbeat is injected into components via the {@link org.apache.tapestry5.annotations.Environmental} annotation.

        FieldComponent field = newFieldComponent();
        MessageFormatter formatter = mockMessageFormatter();
        Object inputValue = new Object();
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();
        FormSupport fs = mockFormSupport();


        Map<String, Validator> map = singletonMap("required", validator);


        train_getConstraintType(validator, null);

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        Messages messages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();
        Object inputValue = new Object();
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();
        FormSupport fs = mockFormSupport();


        Map<String, Validator> map = singletonMap("minlength", validator);


        train_getConstraintType(validator, Integer.class);

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        Messages messages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();
        Object inputValue = new Object();
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();
        FormSupport fs = mockFormSupport();


        Map<String, Validator> map = singletonMap("minlength", validator);


        train_getConstraintType(validator, Integer.class);

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        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();
        FormSupport fs = mockFormSupport();


        Map<String, Validator> map = singletonMap("minlength", validator);


        train_getConstraintType(validator, Integer.class);

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        Messages messages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();
        Object inputValue = new Object();
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();
        FormSupport fs = mockFormSupport();


        Map<String, Validator> map = singletonMap("required", validator);


        train_getFormValidationId(fs, "myform");

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        MessageFormatter minLengthFormatter = mockMessageFormatter();
        Object inputValue = "input value";
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();
        Integer fifteen = 15;
        FormSupport fs = mockFormSupport();


        Map<String, Validator> map = newMap();


        map.put("required", required);
        map.put("minLength", minLength);

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        MessageFormatter formatter = mockMessageFormatter();
        Object inputValue = new Object();
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();
        Integer five = 5;
        FormSupport fs = mockFormSupport();


        Map<String, Validator> map = singletonMap("minLength", validator);


        train_getConstraintType(validator, Integer.class);

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        environment.push(ValidationTracker.class, activeTracker);
        environment.push(FormSupport.class, formSupport);
        environment.push(BeanValidationContext.class, new BeanValidationContextImpl(validate));


        Heartbeat heartbeat = new HeartbeatImpl();


        environment.push(Heartbeat.class, heartbeat);


        heartbeat.begin();


        try
        {
            resources.triggerContextEvent(EventConstants.PREPARE_FOR_SUBMIT, context, eventCallback);


            if (eventCallback.isAborted())
                return true;


            resources.triggerContextEvent(EventConstants.PREPARE, context, eventCallback);


            if (eventCallback.isAborted())
                return true;


            executeStoredActions();


            heartbeat.end();


            formSupport.executeDeferred();


            fireValidateFormEvent(context, eventCallback);

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public class LoopTest extends InternalBaseTestCase
{
    @Test
    public void non_empty_iterator()
    {
        Heartbeat hb = mockHeartbeat();
        MarkupWriter writer = mockMarkupWriter();


        // Really hard to test the exact timing of all this; it will have to
        // be "proven" by integration tests.


        hb.begin();
        EasyMock.expectLastCall().times(3);


        hb.end();
        EasyMock.expectLastCall().times(3);


        replay();


        Loop loop = new Loop();

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    @Test
    public void trigger_immediate()
    {
        FormSupport support = mockFormSupport();
        ComponentResources resources = mockComponentResources();
        Heartbeat heartbeat = new HeartbeatImpl();
        Request request = mockRequest();


        String elementName = "myname";


        train_getParameter(request, Form.SUBMITTING_ELEMENT_ID, null);
        train_getParameter(request, elementName, "login");


        replay();


        heartbeat.begin();


        Submit submit = new Submit(request);


        TestBase.set(submit, "resources", resources, "formSupport", support, "heartbeat", heartbeat, "defer", false);


        submit.processSubmission("xyz", elementName);


        verify();


        expect(resources.triggerEvent(EventConstants.SELECTED, null, null)).andReturn(false);


        replay();


        heartbeat.end();


        verify();
    }

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