- java.lang.Object
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- javafx.beans.binding.NumberExpressionBase
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- javafx.beans.binding.IntegerExpression
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- All Implemented Interfaces:
NumberExpression,Observable,ObservableIntegerValue,ObservableNumberValue,ObservableValue<Number>
- Direct Known Subclasses:
IntegerBinding,ReadOnlyIntegerProperty
public abstract class IntegerExpression extends NumberExpressionBase implements ObservableIntegerValue
IntegerExpressionis anObservableIntegerValueplus additional convenience methods to generate bindings in a fluent style.A concrete sub-class of
IntegerExpressionhas to implement the methodObservableIntegerValue.get(), which provides the actual value of this expression.- Since:
- JavaFX 2.0
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Constructor Summary
Constructors Constructor Description IntegerExpression()Creates a defaultIntegerExpression.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description ObjectExpression<Integer>asObject()Creates anObjectExpressionthat holds the value of thisIntegerExpression.static IntegerExpressionintegerExpression(ObservableIntegerValue value)Returns aIntegerExpressionthat wraps aObservableIntegerValue.static <T extends Number>
IntegerExpressionintegerExpression(ObservableValue<T> value)Returns anIntegerExpressionthat wraps anObservableValue.-
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, toString, wait, wait, wait
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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 interface javafx.beans.Observable
addListener, removeListener
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Methods declared in interface javafx.beans.value.ObservableIntegerValue
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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Method Detail
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integerExpression
public static IntegerExpression integerExpression(ObservableIntegerValue value)
Returns aIntegerExpressionthat wraps aObservableIntegerValue. If theObservableIntegerValueis already aIntegerExpression, it will be returned. Otherwise a newIntegerBindingis created that is bound to theObservableIntegerValue.- Parameters:
value- The sourceObservableIntegerValue- Returns:
- A
IntegerExpressionthat wraps theObservableIntegerValueif necessary - Throws:
NullPointerException- ifvalueisnull
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integerExpression
public static <T extends Number> IntegerExpression integerExpression(ObservableValue<T> value)
Returns anIntegerExpressionthat wraps anObservableValue. If theObservableValueis already aIntegerExpression, it will be returned. Otherwise a newIntegerBindingis created that is bound to theObservableValue.Note: this method can be used to convert an
ObjectExpressionorObjectPropertyof specific number type to IntegerExpression, which is essentially anObservableValue<Number>. See sample below.
Note: null values will be interpreted as 0IntegerProperty integerProperty = new SimpleIntegerProperty(1); ObjectProperty<Integer> objectProperty = new SimpleObjectProperty<>(2); BooleanBinding binding = integerProperty.greaterThan(IntegerExpression.integerExpression(objectProperty));
- Type Parameters:
T- The type of Number to be wrapped- Parameters:
value- The sourceObservableValue- Returns:
- A
IntegerExpressionthat wraps theObservableValueif necessary - Throws:
NullPointerException- ifvalueisnull- Since:
- JavaFX 8.0
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asObject
public ObjectExpression<Integer> asObject()
Creates anObjectExpressionthat holds the value of thisIntegerExpression. If the value of thisIntegerExpressionchanges, the value of theObjectExpressionwill be updated automatically.- Returns:
- the new
ObjectExpression - Since:
- JavaFX 8.0
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