/
NumberExpressionBase.java
334 lines (276 loc) · 10.6 KB
/
NumberExpressionBase.java
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/*
* Copyright (c) 2010, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
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.
* <p>
* 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 <S> 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 <S extends Number> 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);
}
}