Module javafx.base

Class LongExpression

    • Constructor Detail

      • LongExpression

        public LongExpression​()
    • Method Detail

      • 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
      • longExpression

        public static LongExpression longExpression​(ObservableLongValue value)
        Returns a LongExpression that wraps a ObservableLongValue. If the ObservableLongValue is already a LongExpression, it will be returned. Otherwise a new LongBinding is created that is bound to the ObservableLongValue.
        Parameters:
        value - The source ObservableLongValue
        Returns:
        A LongExpression that wraps the ObservableLongValue if necessary
        Throws:
        NullPointerException - if value is null
      • longExpression

        public static <T extends NumberLongExpression longExpression​(ObservableValue<T> value)
        Returns a LongExpression that wraps an ObservableValue. If the ObservableValue is already a LongExpression, it will be returned. Otherwise a new LongBinding 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 LongExpression, which is essentially an ObservableValue<Number>. See sample below.

           LongProperty longProperty = new SimpleLongProperty(1L);
           ObjectProperty<Long> objectProperty = new SimpleObjectProperty<>(2L);
           BooleanBinding binding = longProperty.greaterThan(LongExpression.longExpression(objectProperty));
         
        Note: null values will be interpreted as 0L
        Type Parameters:
        T - The type of Number to be wrapped
        Parameters:
        value - The source ObservableValue
        Returns:
        A LongExpression that wraps the ObservableValue if necessary
        Throws:
        NullPointerException - if value is null
        Since:
        JavaFX 8.0
      • 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 LongBinding 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 LongBinding 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 LongBinding 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 LongBinding 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<Long> asObject​()
        Creates an ObjectExpression that holds the value of this LongExpression. If the value of this LongExpression changes, the value of the ObjectExpression will be updated automatically.
        Returns:
        the new ObjectExpression
        Since:
        JavaFX 8.0