Module javafx.base

Package javafx.beans.binding

Class IntegerExpression

java.lang.Object

javafx.beans.binding.NumberExpressionBase

javafx.beans.binding.IntegerExpression

All Implemented Interfaces:

NumberExpression, Observable, ObservableIntegerValue, ObservableNumberValue, ObservableValue<Number>

Direct Known Subclasses:

IntegerBinding, ReadOnlyIntegerProperty

public abstract class IntegerExpression
extends NumberExpressionBase
implements ObservableIntegerValue

IntegerExpression is an ObservableIntegerValue plus additional convenience methods to generate bindings in a fluent style.

A concrete sub-class of IntegerExpression has to implement the method ObservableIntegerValue.get(), which provides the actual value of this expression.

Since:

JavaFX 2.0

Constructor Summary

Constructors

Constructor	Description
IntegerExpression()	Creates a default IntegerExpression.

Method Summary

Modifier and Type	Method	Description
DoubleBinding	add(double other)	Creates a new NumberBinding that calculates the sum of this NumberExpression and a constant value.
FloatBinding	add(float other)	Creates a new NumberBinding that calculates the sum of this NumberExpression and a constant value.
IntegerBinding	add(int other)	Creates a new NumberBinding that calculates the sum of this NumberExpression and a constant value.
LongBinding	add(long other)	Creates a new NumberBinding that calculates the sum of this NumberExpression and a constant value.
ObjectExpression<Integer>	asObject()	Creates an ObjectExpression that holds the value of this IntegerExpression.
DoubleBinding	divide(double other)	Creates a new NumberBinding that calculates the division of this NumberExpression and a constant value.
FloatBinding	divide(float other)	Creates a new NumberBinding that calculates the division of this NumberExpression and a constant value.
IntegerBinding	divide(int other)	Creates a new NumberBinding that calculates the division of this NumberExpression and a constant value.
LongBinding	divide(long other)	Creates a new NumberBinding that calculates the division of this NumberExpression and a constant value.
double	doubleValue()	Returns the value of this ObservableNumberValue as a double.
float	floatValue()	Returns the value of this ObservableNumberValue as a float.
Integer	getValue()	Returns the current value of this ObservableValue
static IntegerExpression	integerExpression(ObservableIntegerValue value)	Returns a IntegerExpression that wraps a ObservableIntegerValue.
static <T extends Number> IntegerExpression	integerExpression(ObservableValue<T> value)	Returns an IntegerExpression that wraps an ObservableValue.
int	intValue()	Returns the value of this ObservableNumberValue as an int .
long	longValue()	Returns the value of this ObservableNumberValue as a long .
DoubleBinding	multiply(double other)	Creates a new NumberBinding that calculates the product of this NumberExpression and a constant value.
FloatBinding	multiply(float other)	Creates a new NumberBinding that calculates the product of this NumberExpression and a constant value.
IntegerBinding	multiply(int other)	Creates a new NumberBinding that calculates the product of this NumberExpression and a constant value.
LongBinding	multiply(long other)	Creates a new NumberBinding that calculates the product of this NumberExpression and a constant value.
IntegerBinding	negate()	Creates a new NumberBinding that calculates the negation of NumberExpression.
DoubleBinding	subtract(double other)	Creates a new NumberBinding that calculates the difference of this NumberExpression and a constant value.
FloatBinding	subtract(float other)	Creates a new NumberBinding that calculates the difference of this NumberExpression and a constant value.
IntegerBinding	subtract(int other)	Creates a new NumberBinding that calculates the difference of this NumberExpression and a constant value.
LongBinding	subtract(long other)	Creates a new NumberBinding that calculates the difference of this NumberExpression and a constant value.

Methods declared in class javafx.beans.binding.NumberExpressionBase

add, asString, asString, asString, 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, numberExpression, subtract

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods declared in interface javafx.beans.Observable

addListener, removeListener, subscribe

Methods declared in interface javafx.beans.value.ObservableIntegerValue

get

Methods declared in interface javafx.beans.value.ObservableValue

addListener, flatMap, map, orElse, removeListener, subscribe, subscribe, when

Constructor Details

IntegerExpression

public IntegerExpression()

Creates a default IntegerExpression.

Method Details

intValue

public int intValue()

Description copied from interface: ObservableNumberValue

Returns the value of this ObservableNumberValue as an int . If the value is not an int, a standard cast is performed.

Specified by:

intValue in interface ObservableNumberValue

Returns:

The value of this ObservableNumberValue as an int

longValue

public long longValue()

Description copied from interface: ObservableNumberValue

Returns the value of this ObservableNumberValue as a long . If the value is not a long, a standard cast is performed.

Specified by:

longValue in interface ObservableNumberValue

Returns:

The value of this ObservableNumberValue as a long

floatValue

public float floatValue()

Description copied from interface: ObservableNumberValue

Returns the value of this ObservableNumberValue as a float. If the value is not a float, a standard cast is performed.

Specified by:

floatValue in interface ObservableNumberValue

Returns:

The value of this ObservableNumberValue as a float

doubleValue

public double doubleValue()

Description copied from interface: ObservableNumberValue

Returns the value of this ObservableNumberValue as a double. If the value is not a double, a standard cast is performed.

Specified by:

doubleValue in interface ObservableNumberValue

Returns:

The value of this ObservableNumberValue as a double

getValue

public Integer getValue()

Description copied from interface: ObservableValue

Returns the current value of this ObservableValue

Specified by:

getValue in interface ObservableValue<Number>

Returns:

The current value

integerExpression

public static IntegerExpression integerExpression(ObservableIntegerValue value)

Returns a IntegerExpression that wraps a ObservableIntegerValue. If the ObservableIntegerValue is already a IntegerExpression, it will be returned. Otherwise a new IntegerBinding is created that is bound to the ObservableIntegerValue.

Parameters:

value - The source ObservableIntegerValue

Returns:

A IntegerExpression that wraps the ObservableIntegerValue if necessary

Throws:

NullPointerException - if value is null

integerExpression

public static <T extends Number> IntegerExpression integerExpression(ObservableValue<T> value)

Returns an IntegerExpression that wraps an ObservableValue. If the ObservableValue is already a IntegerExpression, it will be returned. Otherwise a new IntegerBinding is created that is bound to the ObservableValue.

Note: this method can be used to convert an ObjectExpression or ObjectProperty of specific number type to IntegerExpression, which is essentially an ObservableValue<Number>. See sample below.

   IntegerProperty integerProperty = new SimpleIntegerProperty(1);
   ObjectProperty<Integer> objectProperty = new SimpleObjectProperty<>(2);
   BooleanBinding binding = integerProperty.greaterThan(IntegerExpression.integerExpression(objectProperty));
 

Note: null values will be interpreted as 0

Type Parameters:

T - The type of Number to be wrapped

Parameters:

value - The source ObservableValue

Returns:

A IntegerExpression that wraps the ObservableValue if necessary

Throws:

NullPointerException - if value is null

Since:

JavaFX 8.0

negate

public IntegerBinding negate()

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the negation of NumberExpression.

Specified by:

negate in interface NumberExpression

Returns:

the new NumberBinding

add

public DoubleBinding add(double other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the sum of this NumberExpression and a constant value.

Specified by:

add in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

add

public FloatBinding add(float other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the sum of this NumberExpression and a constant value.

Specified by:

add in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

add

public LongBinding add(long other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the sum of this NumberExpression and a constant value.

Specified by:

add in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

add

public IntegerBinding add(int other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the sum of this NumberExpression and a constant value.

Specified by:

add in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

subtract

public DoubleBinding subtract(double other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the difference of this NumberExpression and a constant value.

Specified by:

subtract in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

subtract

public FloatBinding subtract(float other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the difference of this NumberExpression and a constant value.

Specified by:

subtract in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

subtract

public LongBinding subtract(long other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the difference of this NumberExpression and a constant value.

Specified by:

subtract in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

subtract

public IntegerBinding subtract(int other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the difference of this NumberExpression and a constant value.

Specified by:

subtract in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

multiply

public DoubleBinding multiply(double other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the product of this NumberExpression and a constant value.

Specified by:

multiply in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

multiply

public FloatBinding multiply(float other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the product of this NumberExpression and a constant value.

Specified by:

multiply in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

multiply

public LongBinding multiply(long other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the product of this NumberExpression and a constant value.

Specified by:

multiply in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

multiply

public IntegerBinding multiply(int other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the product of this NumberExpression and a constant value.

Specified by:

multiply in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

divide

public DoubleBinding divide(double other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the division of this NumberExpression and a constant value.

Specified by:

divide in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

divide

public FloatBinding divide(float other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the division of this NumberExpression and a constant value.

Specified by:

divide in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

divide

public LongBinding divide(long other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the division of this NumberExpression and a constant value.

Specified by:

divide in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

divide

public IntegerBinding divide(int other)

Description copied from interface: NumberExpression

Creates a new NumberBinding that calculates the division of this NumberExpression and a constant value.

Specified by:

divide in interface NumberExpression

Parameters:

other - the constant value

Returns:

the new NumberBinding

asObject

public ObjectExpression<Integer> asObject()

Creates an ObjectExpression that holds the value of this IntegerExpression. If the value of this IntegerExpression changes, the value of the ObjectExpression will be updated automatically.

Returns:

the new ObjectExpression

Since:

JavaFX 8.0