Examples of org.springframework.binding.value.ValueChangeDetector

Package org.springframework.binding.value

Examples of org.springframework.binding.value.ValueChangeDetector

org.springframework.binding.value.ValueChangeDetector
Defines the operations for determining if two values (an old and a new value) are different enough to indicate a change in the value model. An implementation of this interface can be registered in the application context configuration. The configured instance is used in several classes to determine if two object values are sufficiently different to trigger further logic, like firing a value changed event, updating conversion values, etc. @author Larry Streepy @see org.springframework.richclient.application.ApplicationServices @see org.springframework.binding.value.support.DefaultValueChangeDetector @see org.springframework.binding.value.support.EquivalenceValueChangeDetector

        testValueChangeSendsProperEvents(obj2a, obj2b, false); 
        testValueChangeSendsProperEvents(null, null,   false);
        
        // Now replace the default value change detector with one that
        // only uses true equivalence.
        ValueChangeDetector oldVCD = (ValueChangeDetector)ApplicationServicesLocator.services().getService(ValueChangeDetector.class);
        getApplicationServices().setValueChangeDetector(new StrictEquivalenceValueChangeDetector());
        testValueChangeSendsProperEvents(null, obj1,   true);
        testValueChangeSendsProperEvents(obj1, null,   true);
        testValueChangeSendsProperEvents(obj1, obj1,   false);
        testValueChangeSendsProperEvents(obj1, obj2a,  true);

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 * 
 */
public class DefaultApplicationServicesTests extends SpringRichTestCase {


    public void testRegisteredServiceIsReturned() {
        ValueChangeDetector vcd = new DefaultValueChangeDetector();
        getApplicationServices().setValueChangeDetector(vcd);
        assertSame("Expected same object back", vcd, getApplicationServices().getService(ValueChangeDetector.class));


        MessageSource msrc = new StaticMessageSource();
        getApplicationServices().setMessageSource(msrc);

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            ; // expected
        }
    }


    public void testSetRegistryEntries() {
        ValueChangeDetector vcd = new DefaultValueChangeDetector();
        MessageSource msrc = new StaticMessageSource();


        HashMap entries = new HashMap();
        entries.put("org.springframework.binding.value.ValueChangeDetector", vcd);
        entries.put("org.springframework.context.MessageSource", msrc);

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Related Classes of org.springframework.binding.value.ValueChangeDetector

org.springframework.binding.value.support.BufferedValueModelTests

org.springframework.richclient.application.support.DefaultApplicationServicesTests

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