Examples of java.beans.PropertyChangeSupport.firePropertyChange()

java.beans.PropertyChangeSupport.firePropertyChange()
Report a bound property update to any registered listeners. No event is fired if old and new are equal and non-null.
This is merely a convenience wrapper around the more general firePropertyChange method that takes {@code PropertyChangeEvent} value. @param propertyName The programmatic name of the propertythat was changed. @param oldValue The old value of the property. @param newValue The new value of the property.

                "myProp", oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange("myProp", oldValue, newValue);
        l1.assertCalled();
        l2.assertCalled();
        l4.assertCalled();
    }

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                "myProp", oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange("myProp", oldValue, newValue);
        l1.assertCalled();
        l2.assertCalled();
        l4.assertCalled();
    }

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                "myProp", oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange("myProp", oldValue, newValue);
        l1.assertCalled();
        l2.assertCalled();
        l4.assertCalled();
    }

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                null, oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange(null, oldValue, newValue);
        l1.assertCalled();
        l2.assertNotCalled();
        l4.assertNotCalled();
    }

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        PropertyChangeSupport sup = new PropertyChangeSupport(src);
        Object newValue = new Object();
        Object oldValue = new Object();


        sup.addPropertyChangeListener(null);
        sup.firePropertyChange("myProp", oldValue, newValue);
    }


    /*
     * Test the method firePropertyChange(PropertyChangeEvent) with normal
     * parameters, when there is a listener for all properties and another for

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                "myProp", oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange(event);
        l1.assertCalled();
        l2.assertCalled();
        l4.assertCalled();
    }

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                "myProp", oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange(event);
        l1.assertNotCalled();
        l2.assertNotCalled();
        l4.assertNotCalled();
    }

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                "myProp", oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange(event);
        l1.assertCalled();
        l2.assertCalled();
        l4.assertCalled();
    }

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                "myProp", oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange(event);
        l1.assertCalled();
        l2.assertCalled();
        l4.assertCalled();
    }

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                "myProp", oldValue, newValue);
        sup.addPropertyChangeListener(l1);
        sup.addPropertyChangeListener(l3);
        sup.addPropertyChangeListener("myProp", l4);


        sup.firePropertyChange(event);
        l1.assertCalled();
        l2.assertCalled();
        l4.assertCalled();
    }

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