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package javafx.beans.value;

A common interface of all sub-interfaces of ObservableValue that wrap a number. 
See Also:
ObservableValue
ObservableDoubleValue
ObservableFloatValue
ObservableIntegerValue
ObservableLongValue
Since:
JavaFX 2.0/**
 * A common interface of all sub-interfaces of {@link ObservableValue} that wrap
 * a number.
 *
 * @see ObservableValue
 * @see ObservableDoubleValue
 * @see ObservableFloatValue
 * @see ObservableIntegerValue
 * @see ObservableLongValue
 *
 *
 * @since JavaFX 2.0
 */
public interface ObservableNumberValue extends ObservableValue<Number> {

    
Returns the value of this ObservableNumberValue as an int . If the value is not an int, a standard cast is performed. 
Returns:
The value of this ObservableNumberValue as an int/**
     * Returns the value of this {@code ObservableNumberValue} as an {@code int}
     * . If the value is not an {@code int}, a standard cast is performed.
     *
     * @return The value of this {@code ObservableNumberValue} as an {@code int}
     */
    int intValue();

    
Returns the value of this ObservableNumberValue as a long . If the value is not a long, a standard cast is performed. 
Returns:
The value of this ObservableNumberValue as a long/**
     * Returns the value of this {@code ObservableNumberValue} as a {@code long}
     * . If the value is not a {@code long}, a standard cast is performed.
     *
     * @return The value of this {@code ObservableNumberValue} as a {@code long}
     */
    long longValue();

    
Returns the value of this ObservableNumberValue as a float. If the value is not a float, a standard cast is performed. 
Returns:
The value of this ObservableNumberValue as a float/**
     * Returns the value of this {@code ObservableNumberValue} as a
     * {@code float}. If the value is not a {@code float}, a standard cast is
     * performed.
     *
     * @return The value of this {@code ObservableNumberValue} as a
     *         {@code float}
     */
    float floatValue();

    
Returns the value of this ObservableNumberValue as a double. If the value is not a double, a standard cast is performed. 
Returns:
The value of this ObservableNumberValue as a double/**
     * Returns the value of this {@code ObservableNumberValue} as a
     * {@code double}. If the value is not a {@code double}, a standard cast is
     * performed.
     *
     * @return The value of this {@code ObservableNumberValue} as a
     *         {@code double}
     */
    double doubleValue();

}