Examples of org.apache.tapestry5.services.UpdateListenerHub

org.apache.tapestry5.services.ValidationMessagesSource
Manages a set of {@link org.apache.tapestry5.services.UpdateListener}s. Periodically (say, every request during development, or every minute or so during production), request processing is locked down so that only a single thread is active, and the active thread invokes {@link #fireCheckForUpdates()}. Various services that are dependent on external resource files (such as classes or template files) can check to see if any file they've used has changed. If so, the service can invalidate its internal cache, or notify other services (typically via {@link org.apache.tapestry5.services.InvalidationListener} that they should do the same.
Note that this interface has moved from module tapestry-core to tapestry-ioc, but has kept the same package (for backwards compatibility reasons).
A weak reference to the listener is kept; this ensures that registering as a listener will not prevent a listener instance from being reclaimed by the garbage collector (this is useful as proxies created by {@link ObjectLocator#proxy(Class,Class)} may register as listeners, but still be ephemeral).
Starting in Tapestry 5.3, this services does nothing in production mode. @since 5.1.0.0

            // Keep re-writing the file until we see the DTM change.
        }


        // Detect the change and clear out the internal caches


        UpdateListenerHub hub = registry.getService("UpdateListenerHub", UpdateListenerHub.class);


        hub.fireCheckForUpdates();


        // This will be the new version of the class


        named = (Named) createComponent(SYNTH_COMPONENT_CLASSNAME);

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    }


    @Test
    public void unknown_validator_type()
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();

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    @SuppressWarnings("unchecked")
    @Test
    public void validator_with_no_constraint() throws Exception
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        Messages messages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();

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    @SuppressWarnings("unchecked")
    @Test
    public void component_messages_overrides_validator_messages() throws Exception
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        MessageFormatter formatter = mockMessageFormatter();
        Object inputValue = new Object();

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    }


    @Test
    public void component_messages_overrides_validator_messages_per_form() throws Exception
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        MessageFormatter formatter = mockMessageFormatter();
        Object inputValue = new Object();

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    @SuppressWarnings("unchecked")
    @Test
    public void constraint_value_from_message_catalog_per() throws Exception
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        Messages messages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();

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    @SuppressWarnings("unchecked")
    @Test
    public void constraint_value_from_message_catalog_per_form() throws Exception
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        Messages messages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();

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    @SuppressWarnings("unchecked")
    @Test
    public void missing_field_validator_constraint() throws Exception
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        ComponentResources resources = mockComponentResources();
        Messages containerMessages = mockMessages();

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    @SuppressWarnings("unchecked")
    @Test
    public void single_validator_via_specification() throws Exception
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator validator = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        Messages messages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();

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    @SuppressWarnings("unchecked")
    @Test
    public void multiple_validators_via_specification() throws Exception
    {
        ValidationMessagesSource messagesSource = mockValidationMessagesSource();
        Validator required = mockValidator();
        Validator minLength = mockValidator();
        TypeCoercer coercer = mockTypeCoercer();
        FieldComponent field = newFieldComponent();
        Messages messages = mockMessages();

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