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package javafx.beans.binding;

import java.util.Locale;

import javafx.beans.value.ObservableDoubleValue;
import javafx.beans.value.ObservableFloatValue;
import javafx.beans.value.ObservableIntegerValue;
import javafx.beans.value.ObservableLongValue;
import javafx.beans.value.ObservableNumberValue;

import com.sun.javafx.binding.StringFormatter;

/**
 * {@code NumberExpressionBase} contains convenience methods to generate bindings in a fluent style,
 * that are common to all NumberExpression subclasses.
 * 

* NumberExpressionBase serves as a place for common code of specific NumberExpression subclasses for the * specific number type. * @see IntegerExpression * @see LongExpression * @see FloatExpression * @see DoubleExpression * @since JavaFX 2.0 */ public abstract class NumberExpressionBase implements NumberExpression { /** * Creates a default {@code NumberExpressionBase}. */ public NumberExpressionBase() { } /** * Returns an {@code NumberExpressionBase} that wraps a * {@link javafx.beans.value.ObservableNumberValue}. If the * {@code ObservableNumberValue} is already an instance of * {@code NumberExpressionBase}, it will be returned. Otherwise a new * {@link javafx.beans.binding.NumberBinding} is created that is bound to * the {@code ObservableNumberValue}. * * @param The type of Number to be wrapped * @param value * The source {@code ObservableNumberValue} * @return An {@code NumberExpressionBase} that wraps the * {@code ObservableNumberValue} if necessary * @throws NullPointerException * if {@code value} is {@code null} */ public static NumberExpressionBase numberExpression( final ObservableNumberValue value) { if (value == null) { throw new NullPointerException("Value must be specified."); } NumberExpressionBase result = (NumberExpressionBase) ((value instanceof NumberExpressionBase) ? value : (value instanceof ObservableIntegerValue) ? IntegerExpression .integerExpression((ObservableIntegerValue) value) : (value instanceof ObservableDoubleValue) ? DoubleExpression .doubleExpression((ObservableDoubleValue) value) : (value instanceof ObservableFloatValue) ? FloatExpression .floatExpression((ObservableFloatValue) value) : (value instanceof ObservableLongValue) ? LongExpression .longExpression((ObservableLongValue) value) : null); if (result != null) { return result; } else { throw new IllegalArgumentException("Unsupported Type"); } } @Override public NumberBinding add(final ObservableNumberValue other) { return Bindings.add(this, other); } @Override public NumberBinding subtract(final ObservableNumberValue other) { return Bindings.subtract(this, other); } @Override public NumberBinding multiply(final ObservableNumberValue other) { return Bindings.multiply(this, other); } @Override public NumberBinding divide(final ObservableNumberValue other) { return Bindings.divide(this, other); } // =============================================================== // IsEqualTo @Override public BooleanBinding isEqualTo(final ObservableNumberValue other) { return Bindings.equal(this, other); } @Override public BooleanBinding isEqualTo(final ObservableNumberValue other, double epsilon) { return Bindings.equal(this, other, epsilon); } @Override public BooleanBinding isEqualTo(final double other, double epsilon) { return Bindings.equal(this, other, epsilon); } @Override public BooleanBinding isEqualTo(final float other, double epsilon) { return Bindings.equal(this, other, epsilon); } @Override public BooleanBinding isEqualTo(final long other) { return Bindings.equal(this, other); } @Override public BooleanBinding isEqualTo(final long other, double epsilon) { return Bindings.equal(this, other, epsilon); } @Override public BooleanBinding isEqualTo(final int other) { return Bindings.equal(this, other); } @Override public BooleanBinding isEqualTo(final int other, double epsilon) { return Bindings.equal(this, other, epsilon); } // =============================================================== // IsNotEqualTo @Override public BooleanBinding isNotEqualTo(final ObservableNumberValue other) { return Bindings.notEqual(this, other); } @Override public BooleanBinding isNotEqualTo(final ObservableNumberValue other, double epsilon) { return Bindings.notEqual(this, other, epsilon); } @Override public BooleanBinding isNotEqualTo(final double other, double epsilon) { return Bindings.notEqual(this, other, epsilon); } @Override public BooleanBinding isNotEqualTo(final float other, double epsilon) { return Bindings.notEqual(this, other, epsilon); } @Override public BooleanBinding isNotEqualTo(final long other) { return Bindings.notEqual(this, other); } @Override public BooleanBinding isNotEqualTo(final long other, double epsilon) { return Bindings.notEqual(this, other, epsilon); } @Override public BooleanBinding isNotEqualTo(final int other) { return Bindings.notEqual(this, other); } @Override public BooleanBinding isNotEqualTo(final int other, double epsilon) { return Bindings.notEqual(this, other, epsilon); } // =============================================================== // IsGreaterThan @Override public BooleanBinding greaterThan(final ObservableNumberValue other) { return Bindings.greaterThan(this, other); } @Override public BooleanBinding greaterThan(final double other) { return Bindings.greaterThan(this, other); } @Override public BooleanBinding greaterThan(final float other) { return Bindings.greaterThan(this, other); } @Override public BooleanBinding greaterThan(final long other) { return Bindings.greaterThan(this, other); } @Override public BooleanBinding greaterThan(final int other) { return Bindings.greaterThan(this, other); } // =============================================================== // IsLesserThan @Override public BooleanBinding lessThan(final ObservableNumberValue other) { return Bindings.lessThan(this, other); } @Override public BooleanBinding lessThan(final double other) { return Bindings.lessThan(this, other); } @Override public BooleanBinding lessThan(final float other) { return Bindings.lessThan(this, other); } @Override public BooleanBinding lessThan(final long other) { return Bindings.lessThan(this, other); } @Override public BooleanBinding lessThan(final int other) { return Bindings.lessThan(this, other); } // =============================================================== // IsGreaterThanOrEqualTo @Override public BooleanBinding greaterThanOrEqualTo(final ObservableNumberValue other) { return Bindings.greaterThanOrEqual(this, other); } @Override public BooleanBinding greaterThanOrEqualTo(final double other) { return Bindings.greaterThanOrEqual(this, other); } @Override public BooleanBinding greaterThanOrEqualTo(final float other) { return Bindings.greaterThanOrEqual(this, other); } @Override public BooleanBinding greaterThanOrEqualTo(final long other) { return Bindings.greaterThanOrEqual(this, other); } @Override public BooleanBinding greaterThanOrEqualTo(final int other) { return Bindings.greaterThanOrEqual(this, other); } // =============================================================== // IsLessThanOrEqualTo @Override public BooleanBinding lessThanOrEqualTo(final ObservableNumberValue other) { return Bindings.lessThanOrEqual(this, other); } @Override public BooleanBinding lessThanOrEqualTo(final double other) { return Bindings.lessThanOrEqual(this, other); } @Override public BooleanBinding lessThanOrEqualTo(final float other) { return Bindings.lessThanOrEqual(this, other); } @Override public BooleanBinding lessThanOrEqualTo(final long other) { return Bindings.lessThanOrEqual(this, other); } @Override public BooleanBinding lessThanOrEqualTo(final int other) { return Bindings.lessThanOrEqual(this, other); } // =============================================================== // String conversions @Override public StringBinding asString() { return (StringBinding) StringFormatter.convert(this); } @Override public StringBinding asString(String format) { return (StringBinding) Bindings.format(format, this); } @Override public StringBinding asString(Locale locale, String format) { return (StringBinding) Bindings.format(locale, format, this); } }