- java.lang.Object
-
- javafx.beans.binding.NumberExpressionBase
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- javafx.beans.binding.LongExpression
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- javafx.beans.property.ReadOnlyLongProperty
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- javafx.beans.property.LongProperty
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- All Implemented Interfaces:
NumberExpression
,Observable
,Property<Number>
,ReadOnlyProperty<Number>
,ObservableLongValue
,ObservableNumberValue
,ObservableValue<Number>
,WritableLongValue
,WritableNumberValue
,WritableValue<Number>
- Direct Known Subclasses:
JavaBeanLongProperty
,LongPropertyBase
public abstract class LongProperty extends ReadOnlyLongProperty implements Property<Number>, WritableLongValue
This class defines aProperty
wrapping along
value.The value of a
LongProperty
can be get and set withObservableLongValue.get()
,ObservableValue.getValue()
,WritableLongValue.set(long)
, andWritableLongValue.setValue(Number)
.A property can be bound and unbound unidirectional with
Property.bind(ObservableValue)
andProperty.unbind()
. Bidirectional bindings can be created and removed withProperty.bindBidirectional(Property)
andProperty.unbindBidirectional(Property)
.The context of a
LongProperty
can be read withReadOnlyProperty.getBean()
andReadOnlyProperty.getName()
.Note: setting or binding this property to a null value will set the property to "0.0". See
WritableLongValue.setValue(java.lang.Number)
.- Since:
- JavaFX 2.0
- See Also:
ObservableLongValue
,WritableLongValue
,ReadOnlyLongProperty
,Property
-
-
Constructor Summary
Constructors Constructor Description LongProperty()
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description ObjectProperty<Long>
asObject()
Creates anObjectProperty
that bidirectionally bound to thisLongProperty
.static LongProperty
longProperty(Property<Long> property)
Returns aLongProperty
that wraps aProperty
and is bidirectionally bound to it.String
toString()
Returns a string representation of thisLongProperty
object.-
Methods declared in class javafx.beans.binding.LongExpression
longExpression, longExpression
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Methods declared in interface javafx.beans.binding.NumberExpression
add, add, add, add, add, asString, asString, asString, divide, divide, divide, divide, divide, greaterThan, greaterThan, greaterThan, greaterThan, greaterThan, greaterThanOrEqualTo, greaterThanOrEqualTo, greaterThanOrEqualTo, greaterThanOrEqualTo, greaterThanOrEqualTo, isEqualTo, isEqualTo, isEqualTo, isEqualTo, isEqualTo, isEqualTo, isEqualTo, isEqualTo, isNotEqualTo, isNotEqualTo, isNotEqualTo, isNotEqualTo, isNotEqualTo, isNotEqualTo, isNotEqualTo, isNotEqualTo, lessThan, lessThan, lessThan, lessThan, lessThan, lessThanOrEqualTo, lessThanOrEqualTo, lessThanOrEqualTo, lessThanOrEqualTo, lessThanOrEqualTo, multiply, multiply, multiply, multiply, multiply, negate, subtract, subtract, subtract, subtract, subtract
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Methods declared in class javafx.beans.binding.NumberExpressionBase
numberExpression
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Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods declared in interface javafx.beans.Observable
addListener, removeListener
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Methods declared in interface javafx.beans.value.ObservableLongValue
get
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Methods declared in interface javafx.beans.value.ObservableNumberValue
doubleValue, floatValue, intValue, longValue
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Methods declared in interface javafx.beans.value.ObservableValue
addListener, getValue, removeListener
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Methods declared in interface javafx.beans.property.Property
bind, bindBidirectional, isBound, unbind, unbindBidirectional
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Methods declared in class javafx.beans.property.ReadOnlyLongProperty
readOnlyLongProperty
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Methods declared in interface javafx.beans.property.ReadOnlyProperty
getBean, getName
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Methods declared in interface javafx.beans.value.WritableLongValue
get, set, setValue
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Methods declared in interface javafx.beans.value.WritableValue
getValue
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-
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Method Detail
-
toString
public String toString()
Returns a string representation of thisLongProperty
object.- Overrides:
toString
in classReadOnlyLongProperty
- Returns:
- a string representation of this
LongProperty
object.
-
longProperty
public static LongProperty longProperty(Property<Long> property)
Returns aLongProperty
that wraps aProperty
and is bidirectionally bound to it. Changing this property will result in a change of the original property.This is very useful when bidirectionally binding an ObjectProperty<Long> and a LongProperty.
Another approach is to convert the LongProperty to ObjectProperty usingLongProperty longProperty = new SimpleLongProperty(1L); ObjectProperty<Long> objectProperty = new SimpleObjectProperty<>(2L); // Need to keep the reference as bidirectional binding uses weak references LongProperty objectAsLong = LongProperty.longProperty(objectProperty); longProperty.bindBidirectional(objectAsLong);
asObject()
method.Note: null values in the source property will be interpreted as 0L
- Parameters:
property
- The sourceProperty
- Returns:
- A
LongProperty
that wraps theProperty
- Throws:
NullPointerException
- ifproperty
isnull
- Since:
- JavaFX 8.0
- See Also:
asObject()
-
asObject
public ObjectProperty<Long> asObject()
Creates anObjectProperty
that bidirectionally bound to thisLongProperty
. If the value of thisLongProperty
changes, the value of theObjectProperty
will be updated automatically and vice-versa.Can be used for binding an ObjectProperty to LongProperty.
LongProperty longProperty = new SimpleLongProperty(1L); ObjectProperty<Long> objectProperty = new SimpleObjectProperty<>(2L); objectProperty.bind(longProperty.asObject());
- Overrides:
asObject
in classReadOnlyLongProperty
- Returns:
- the new
ObjectProperty
- Since:
- JavaFX 8.0
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-