Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright 2008-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package griffon.javafx.beans.binding;
import javafx.beans.binding.BooleanBinding;
import javafx.beans.binding.DoubleBinding;
import javafx.beans.binding.FloatBinding;
import javafx.beans.binding.IntegerBinding;
import javafx.beans.binding.LongBinding;
import javafx.beans.binding.ObjectBinding;
import javafx.beans.binding.StringBinding;
import javafx.beans.value.ObservableBooleanValue;
import javafx.beans.value.ObservableDoubleValue;
import javafx.beans.value.ObservableFloatValue;
import javafx.beans.value.ObservableIntegerValue;
import javafx.beans.value.ObservableLongValue;
import javafx.beans.value.ObservableObjectValue;
import javafx.beans.value.ObservableStringValue;
import javafx.beans.value.ObservableValue;
import javafx.collections.ObservableList;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.function.BiFunction;
import java.util.function.Function;
import java.util.function.Supplier;
import static java.util.Objects.requireNonNull;
import static javafx.beans.binding.Bindings.createBooleanBinding;
import static javafx.beans.binding.Bindings.createDoubleBinding;
import static javafx.beans.binding.Bindings.createFloatBinding;
import static javafx.beans.binding.Bindings.createIntegerBinding;
import static javafx.beans.binding.Bindings.createLongBinding;
import static javafx.beans.binding.Bindings.createObjectBinding;
import static javafx.beans.binding.Bindings.createStringBinding;
/**
* @author Andres Almiray
* @since 2.10.0
*/
public final class MappingBindings {
private static final String ERROR_MAPPER_NULL = "Argument 'mapper' must not be null";
private static final String ERROR_SUPPLIER_NULL = "Argument 'supplier' must not be null";
private static final String ERROR_OBSERVABLE_NULL = "Argument 'observable' must not be null";
private static final String ERROR_OBSERVABLE1_NULL = "Argument 'observable1' must not be null";
private static final String ERROR_OBSERVABLE2_NULL = "Argument 'observable2' must not be null";
private static final String ERROR_DEFAULT_VALUE_NULL = "Argument 'defaultValue' must not be null";
private MappingBindings() {
// prevent instantiation
}
/**
* Converts an observable into an object binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return an object binding.
*
* @since 2.11.0
*/
@Nonnull
public static ObjectBinding mapAsObject(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createObjectBinding(() -> mapper.apply(observable.getValue()), observable);
}
/**
* Converts an observable into an object binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return an object binding.
*
* @since 2.11.0
*/
@Nonnull
public static ObjectBinding mapAsObject(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createObjectBinding(() -> {
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return mapperValue.apply(observable.getValue());
}, observable);
}
/**
* Converts an observable into a boolean binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a boolean binding.
*
* @since 2.11.0
*/
@Nonnull
public static BooleanBinding mapAsBoolean(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createBooleanBinding(() -> mapper.apply(observable.getValue()), observable);
}
/**
* Converts an observable into a boolean binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a boolean binding.
*
* @since 2.11.0
*/
@Nonnull
public static BooleanBinding mapAsBoolean(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createBooleanBinding(() -> {
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return mapperValue.apply(observable.getValue());
}, observable);
}
/**
* Converts an observable into an integer binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return an integer binding.
*
* @since 2.11.0
*/
@Nonnull
public static IntegerBinding mapAsInteger(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createIntegerBinding(() -> mapper.apply(observable.getValue()), observable);
}
/**
* Converts an observable into an integer binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return an integer binding.
*
* @since 2.11.0
*/
@Nonnull
public static IntegerBinding mapAsInteger(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createIntegerBinding(() -> {
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return mapperValue.apply(observable.getValue());
}, observable);
}
/**
* Converts an observable into a long binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a long binding.
*
* @since 2.11.0
*/
@Nonnull
public static LongBinding mapAsLong(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createLongBinding(() -> mapper.apply(observable.getValue()), observable);
}
/**
* Converts an observable into a long binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a long binding.
*
* @since 2.11.0
*/
@Nonnull
public static LongBinding mapAsLong(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createLongBinding(() -> {
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return mapperValue.apply(observable.getValue());
}, observable);
}
/**
* Converts an observable into a float binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a float binding.
*
* @since 2.11.0
*/
@Nonnull
public static FloatBinding mapAsFloat(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createFloatBinding(() -> mapper.apply(observable.getValue()), observable);
}
/**
* Converts an observable into a float binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a float binding.
*
* @since 2.11.0
*/
@Nonnull
public static FloatBinding mapAsFloat(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createFloatBinding(() -> {
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return mapperValue.apply(observable.getValue());
}, observable);
}
/**
* Converts an observable into a double binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a double binding.
*
* @since 2.11.0
*/
@Nonnull
public static DoubleBinding mapAsDouble(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createDoubleBinding(() -> mapper.apply(observable.getValue()), observable);
}
/**
* Converts an observable into a double binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a double binding.
*
* @since 2.11.0
*/
@Nonnull
public static DoubleBinding mapAsDouble(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createDoubleBinding(() -> {
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return mapperValue.apply(observable.getValue());
}, observable);
}
/**
* Converts an observable into a string binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a string binding.
*
* @since 2.11.0
*/
@Nonnull
public static StringBinding mapAsString(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createStringBinding(() -> mapper.apply(observable.getValue()), observable);
}
/**
* Converts an observable into a string binding.
*
* @param observable the observable to be converted.
* @param mapper a non-interfering, stateless function to apply to the observable value.
*
* @return a string binding.
*
* @since 2.11.0
*/
@Nonnull
public static StringBinding mapAsString(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createStringBinding(() -> {
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return mapperValue.apply(observable.getValue());
}, observable);
}
/**
* Converts a string object observable value into an object binding.
*
* @param observable the observable to be converted.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapToObject(@Nonnull final ObservableStringValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createObjectBinding(observable::get, observable);
}
/**
* Converts a boolean object observable value into an object binding.
*
* @param observable the observable to be converted.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapToObject(@Nonnull final ObservableBooleanValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createObjectBinding(observable::get, observable);
}
/**
* Converts a integer object observable value into an object binding.
*
* @param observable the observable to be converted.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapToObject(@Nonnull final ObservableIntegerValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createObjectBinding(observable::get, observable);
}
/**
* Converts a long object observable value into an object binding.
*
* @param observable the observable to be converted.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapToObject(@Nonnull final ObservableLongValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createObjectBinding(observable::get, observable);
}
/**
* Converts a float object observable value into an object binding.
*
* @param observable the observable to be converted.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapToObject(@Nonnull final ObservableFloatValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createObjectBinding(observable::get, observable);
}
/**
* Converts a double object observable value into an object binding.
*
* @param observable the observable to be converted.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapToObject(@Nonnull final ObservableDoubleValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createObjectBinding(observable::get, observable);
}
/**
* Converts a boolean object observable value into a boolean binding.
*
* @param observable the observable to be converted.
*
* @return a boolean binding.
*/
@Nonnull
public static BooleanBinding mapToBoolean(@Nonnull final ObservableObjectValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createBooleanBinding(observable::get, observable);
}
/**
* Converts a integer object observable value into a integer binding.
*
* @param observable the observable to be converted.
*
* @return a integer binding.
*/
@Nonnull
public static IntegerBinding mapToInteger(@Nonnull final ObservableObjectValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createIntegerBinding(observable::get, observable);
}
/**
* Converts a long object observable value into a long binding.
*
* @param observable the observable to be converted.
*
* @return a long binding.
*/
@Nonnull
public static LongBinding mapToLong(@Nonnull final ObservableObjectValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createLongBinding(observable::get, observable);
}
/**
* Converts a float object observable value into a float binding.
*
* @param observable the observable to be converted.
*
* @return a float binding.
*/
@Nonnull
public static FloatBinding mapToFloat(@Nonnull final ObservableObjectValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createFloatBinding(observable::get, observable);
}
/**
* Converts a double object observable value into a double binding.
*
* @param observable the observable to be converted.
*
* @return a double binding.
*/
@Nonnull
public static DoubleBinding mapToDouble(@Nonnull final ObservableObjectValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createDoubleBinding(observable::get, observable);
}
/**
* Converts a literal object observable value into a string binding.
*
* @param observable the observable to be converted.
*
* @return a string binding.
*/
@Nonnull
public static StringBinding mapToString(@Nonnull final ObservableObjectValue observable) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
return createStringBinding(observable::get, observable);
}
/**
* Creates an observable list where all elements of the source list are mapped by the supplied function.
*
* @param source the source list.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return an observable list.
*/
@Nonnull
public static ObservableList mapList(@Nonnull final ObservableList source, @Nonnull final Function mapper) {
return new griffon.javafx.support.MappingObservableList<>((ObservableList) source, mapper);
}
/**
* Creates an observable list where all elements of the source list are mapped by the supplied function.
*
* @param source the source list.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return an observable list.
*/
@Nonnull
public static ObservableList mapList(@Nonnull final ObservableList source, @Nonnull final ObservableValue> mapper) {
return new griffon.javafx.support.MappingObservableList<>(source, mapper);
}
/**
* Creates an object binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapObject(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
return mapObject(observable, mapper, (R) null);
}
/**
* Creates an object binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapObject(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nullable final R defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createObjectBinding(() -> {
T sourceValue = observable.getValue();
return sourceValue == null ? defaultValue : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates an object binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapObject(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createObjectBinding(() -> {
T sourceValue = observable.getValue();
return sourceValue == null ? supplier.get() : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates an object binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapObject(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
return mapObject(observable, mapper, (R) null);
}
/**
* Creates an object binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapObject(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nullable final R defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createObjectBinding(() -> {
T sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? defaultValue : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates an object binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return an object binding.
*/
@Nonnull
public static ObjectBinding mapObject(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createObjectBinding(() -> {
T sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? supplier.get() : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a boolean binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a boolean binding.
*/
@Nonnull
public static BooleanBinding mapBoolean(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
return mapBoolean(observable, mapper, false);
}
/**
* Creates a boolean binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a boolean binding.
*/
@Nonnull
public static BooleanBinding mapBoolean(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Boolean defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createBooleanBinding(() -> {
Boolean sourceValue = observable.getValue();
return sourceValue == null ? defaultValue : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a boolean binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a boolean binding.
*/
@Nonnull
public static BooleanBinding mapBoolean(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createBooleanBinding(() -> {
Boolean sourceValue = observable.getValue();
return sourceValue == null ? supplier.get() : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a boolean binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a boolean binding.
*/
@Nonnull
public static BooleanBinding mapBoolean(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
return mapBoolean(observable, mapper, false);
}
/**
* Creates a boolean binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a boolean binding.
*/
@Nonnull
public static BooleanBinding mapBoolean(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Boolean defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createBooleanBinding(() -> {
Boolean sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? defaultValue : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a boolean binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a boolean binding.
*/
@Nonnull
public static BooleanBinding mapBoolean(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createBooleanBinding(() -> {
Boolean sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? supplier.get() : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates an integer binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return an integer binding.
*/
@Nonnull
public static IntegerBinding mapInteger(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
return mapInteger(observable, mapper, 0);
}
/**
* Creates an integer binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return an integer binding.
*/
@Nonnull
public static IntegerBinding mapInteger(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Integer defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createIntegerBinding(() -> {
Integer sourceValue = observable.getValue();
return sourceValue == null ? defaultValue : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates an integer binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return an integer binding.
*/
@Nonnull
public static IntegerBinding mapInteger(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createIntegerBinding(() -> {
Integer sourceValue = observable.getValue();
return sourceValue == null ? supplier.get() : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates an integer binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return an integer binding.
*/
@Nonnull
public static IntegerBinding mapInteger(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
return mapInteger(observable, mapper, 0);
}
/**
* Creates an integer binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return an integer binding.
*/
@Nonnull
public static IntegerBinding mapInteger(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Integer defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createIntegerBinding(() -> {
Integer sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? defaultValue : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates an integer binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return an integer binding.
*/
@Nonnull
public static IntegerBinding mapInteger(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createIntegerBinding(() -> {
Integer sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? supplier.get() : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a long binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a long binding.
*/
@Nonnull
public static LongBinding mapLong(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
return mapLong(observable, mapper, 0L);
}
/**
* Creates a long binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a long binding.
*/
@Nonnull
public static LongBinding mapLong(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Long defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createLongBinding(() -> {
Long sourceValue = observable.getValue();
return sourceValue == null ? defaultValue : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a long binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a long binding.
*/
@Nonnull
public static LongBinding mapLong(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createLongBinding(() -> {
Long sourceValue = observable.getValue();
return sourceValue == null ? supplier.get() : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a long binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a long binding.
*/
@Nonnull
public static LongBinding mapLong(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
return mapLong(observable, mapper, 0L);
}
/**
* Creates a long binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a long binding.
*/
@Nonnull
public static LongBinding mapLong(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Long defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createLongBinding(() -> {
Long sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? defaultValue : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a long binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a long binding.
*/
@Nonnull
public static LongBinding mapLong(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createLongBinding(() -> {
Long sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? supplier.get() : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a float binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a float binding.
*/
@Nonnull
public static FloatBinding mapFloat(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
return mapFloat(observable, mapper, 0f);
}
/**
* Creates a float binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a float binding.
*/
@Nonnull
public static FloatBinding mapFloat(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Float defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createFloatBinding(() -> {
Float sourceValue = observable.getValue();
return sourceValue == null ? defaultValue : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a float binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a float binding.
*/
@Nonnull
public static FloatBinding mapFloat(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createFloatBinding(() -> {
Float sourceValue = observable.getValue();
return sourceValue == null ? supplier.get() : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a float binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a float binding.
*/
@Nonnull
public static FloatBinding mapFloat(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
return mapFloat(observable, mapper, 0f);
}
/**
* Creates a float binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a float binding.
*/
@Nonnull
public static FloatBinding mapFloat(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nullable final Float defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createFloatBinding(() -> {
Float sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? defaultValue : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a float binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a float binding.
*/
@Nonnull
public static FloatBinding mapFloat(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createFloatBinding(() -> {
Float sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? supplier.get() : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a double binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a double binding.
*/
@Nonnull
public static DoubleBinding mapDouble(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
return mapDouble(observable, mapper, 0d);
}
/**
* Creates a double binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a double binding.
*/
@Nonnull
public static DoubleBinding mapDouble(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nullable final Double defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createDoubleBinding(() -> {
Double sourceValue = observable.getValue();
return sourceValue == null ? defaultValue : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a double binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a double binding.
*/
@Nonnull
public static DoubleBinding mapDouble(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createDoubleBinding(() -> {
Double sourceValue = observable.getValue();
return sourceValue == null ? supplier.get() : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a double binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a double binding.
*/
@Nonnull
public static DoubleBinding mapDouble(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
return mapDouble(observable, mapper, 0d);
}
/**
* Creates a double binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a double binding.
*/
@Nonnull
public static DoubleBinding mapDouble(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Double defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createDoubleBinding(() -> {
Double sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? defaultValue : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a double binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a double binding.
*/
@Nonnull
public static DoubleBinding mapDouble(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createDoubleBinding(() -> {
Double sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? supplier.get() : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a string binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a string binding.
*/
@Nonnull
public static StringBinding mapString(@Nonnull final ObservableValue observable, @Nonnull final Function mapper) {
return mapString(observable, mapper, "");
}
/**
* Creates a string binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a string binding.
*/
@Nonnull
public static StringBinding mapString(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final String defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createStringBinding(() -> {
String sourceValue = observable.getValue();
return sourceValue == null ? defaultValue : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a string binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a string binding.
*/
@Nonnull
public static StringBinding mapString(@Nonnull final ObservableValue observable, @Nonnull final Function mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createStringBinding(() -> {
String sourceValue = observable.getValue();
return sourceValue == null ? supplier.get() : mapper.apply(sourceValue);
}, observable);
}
/**
* Creates a string binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
*
* @return a string binding.
*/
@Nonnull
public static StringBinding mapString(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper) {
return mapString(observable, mapper, "");
}
/**
* Creates a string binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param defaultValue the value to be returned if there is no value present, may be null.
*
* @return a string binding.
*/
@Nonnull
public static StringBinding mapString(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final String defaultValue) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createStringBinding(() -> {
String sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? defaultValue : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Creates a string binding containing the value of the mapper function applied to the source observable.
*
* @param observable the source observable.
* @param mapper a non-interfering, stateless function to apply to the reduced value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
*
* @return a string binding.
*/
@Nonnull
public static StringBinding mapString(@Nonnull final ObservableValue observable, @Nonnull final ObservableValue> mapper, @Nonnull final Supplier supplier) {
requireNonNull(observable, ERROR_OBSERVABLE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
return createStringBinding(() -> {
String sourceValue = observable.getValue();
Function mapperValue = mapper.getValue();
requireNonNull(mapperValue, ERROR_MAPPER_NULL);
return sourceValue == null ? supplier.get() : mapperValue.apply(sourceValue);
}, observable, mapper);
}
/**
* Returns a boolean binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there are no values present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a boolean binding
*/
@Nonnull
public static BooleanBinding mapBooleans(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Boolean defaultValue, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createBooleanBinding(() -> {
Boolean value1 = observable1.getValue();
Boolean value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return defaultValue;
}, observable1, observable2);
}
/**
* Returns a boolean binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a boolean binding
*/
@Nonnull
public static BooleanBinding mapBooleans(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createBooleanBinding(() -> {
Boolean value1 = observable1.getValue();
Boolean value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2);
}
/**
* Returns a boolean binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there is no value present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a boolean binding
*/
@Nonnull
public static BooleanBinding mapBooleans(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Boolean defaultValue, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createBooleanBinding(() -> {
Boolean value1 = observable1.getValue();
Boolean value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return defaultValue;
}, observable1, observable2, mapper);
}
/**
* Returns a boolean binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a boolean binding
*/
@Nonnull
public static BooleanBinding mapBooleans(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createBooleanBinding(() -> {
Boolean value1 = observable1.getValue();
Boolean value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2, mapper);
}
/**
* Returns an integer binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there are no values present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return an integer binding
*/
@Nonnull
public static IntegerBinding mapIntegers(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Integer defaultValue, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createIntegerBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return defaultValue;
}, observable1, observable2);
}
/**
* Returns an integer binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return an integer binding
*/
@Nonnull
public static IntegerBinding mapIntegers(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createIntegerBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2);
}
/**
* Returns an integer binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there is no value present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return an integer binding
*/
@Nonnull
public static IntegerBinding mapIntegers(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Integer defaultValue, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createIntegerBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return defaultValue;
}, observable1, observable2, mapper);
}
/**
* Returns an integer binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return an integer binding
*/
@Nonnull
public static IntegerBinding mapIntegers(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createIntegerBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2, mapper);
}
/**
* Returns a long binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there are no values present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a long binding
*/
@Nonnull
public static LongBinding mapLongs(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Long defaultValue, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createLongBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return defaultValue;
}, observable1, observable2);
}
/**
* Returns a long binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a long binding
*/
@Nonnull
public static LongBinding mapLongs(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createLongBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2);
}
/**
* Returns a long binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there is no value present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a long binding
*/
@Nonnull
public static LongBinding mapLongs(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Long defaultValue, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createLongBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return defaultValue;
}, observable1, observable2, mapper);
}
/**
* Returns a long binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a long binding
*/
@Nonnull
public static LongBinding mapLongs(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createLongBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2, mapper);
}
/**
* Returns a float binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there are no values present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a float binding
*/
@Nonnull
public static FloatBinding mapFloats(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Float defaultValue, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createFloatBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return defaultValue;
}, observable1, observable2);
}
/**
* Returns a float binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a float binding
*/
@Nonnull
public static FloatBinding mapFloats(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createFloatBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2);
}
/**
* Returns a float binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there is no value present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a float binding
*/
@Nonnull
public static FloatBinding mapFloats(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Float defaultValue, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createFloatBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return defaultValue;
}, observable1, observable2, mapper);
}
/**
* Returns a float binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a float binding
*/
@Nonnull
public static FloatBinding mapFloats(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createFloatBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2, mapper);
}
/**
* Returns a double binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there are no values present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a double binding
*/
@Nonnull
public static DoubleBinding mapDoubles(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Double defaultValue, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createDoubleBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return defaultValue;
}, observable1, observable2);
}
/**
* Returns a double binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a double binding
*/
@Nonnull
public static DoubleBinding mapDoubles(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createDoubleBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2);
}
/**
* Returns a double binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there is no value present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a double binding
*/
@Nonnull
public static DoubleBinding mapDoubles(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Double defaultValue, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(defaultValue, ERROR_DEFAULT_VALUE_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createDoubleBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return defaultValue;
}, observable1, observable2, mapper);
}
/**
* Returns a double binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no value is present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a double binding
*/
@Nonnull
public static DoubleBinding mapDoubles(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createDoubleBinding(() -> {
Number value1 = observable1.getValue();
Number value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return requireNonNull(supplier.get(), ERROR_DEFAULT_VALUE_NULL);
}, observable1, observable2, mapper);
}
/**
* Returns an object binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there are no values present, may be null.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return an object binding
*/
@Nonnull
public static ObjectBinding mapObjects(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nullable final R defaultValue, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createObjectBinding(() -> {
A value1 = observable1.getValue();
B value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return defaultValue;
}, observable1, observable2);
}
/**
* Returns an object binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returnedif no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return an object binding
*/
@Nonnull
public static ObjectBinding mapObjects(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createObjectBinding(() -> {
A value1 = observable1.getValue();
B value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return supplier.get();
}, observable1, observable2);
}
/**
* Returns an object binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there is no value present, may be null.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return an object binding
*/
@Nonnull
public static ObjectBinding mapObjects(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nullable final R defaultValue, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createObjectBinding(() -> {
A value1 = observable1.getValue();
B value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return defaultValue;
}, observable1, observable2, mapper);
}
/**
* Returns an object binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return an object binding
*/
@Nonnull
public static ObjectBinding mapObjects(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createObjectBinding(() -> {
A value1 = observable1.getValue();
B value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return supplier.get();
}, observable1, observable2, mapper);
}
/**
* Returns a string binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there are no values present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a string binding
*/
@Nonnull
public static StringBinding mapStrings(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nullable final String defaultValue, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createStringBinding(() -> {
String value1 = observable1.getValue();
String value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return defaultValue;
}, observable1, observable2);
}
/**
* Returns a string binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a string binding
*/
@Nonnull
public static StringBinding mapStrings(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final BiFunction mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createStringBinding(() -> {
String value1 = observable1.getValue();
String value2 = observable2.getValue();
if (value1 != null && value2 != null) {
return mapper.apply(value1, value2);
}
return supplier.get();
}, observable1, observable2);
}
/**
* Returns a string binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param defaultValue the value to be returned if there is no value present, may be null.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a string binding
*/
@Nonnull
public static StringBinding mapStrings(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nullable final String defaultValue, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createStringBinding(() -> {
String value1 = observable1.getValue();
String value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction function = mapper.getValue();
return requireNonNull(function, ERROR_MAPPER_NULL).apply(value1, value2);
}
return defaultValue;
}, observable1, observable2, mapper);
}
/**
* Returns a string binding whose value is the combination of two observable values.
*
* @param observable1 the first observable value.
* @param observable2 the second observable value.
* @param supplier a {@code Supplier} whose result is returned if no values are present.
* @param mapper a non-interfering, stateless function to apply to the supplied values.
*
* @return a string binding
*/
@Nonnull
public static StringBinding mapStrings(@Nonnull final ObservableValue observable1, @Nonnull final ObservableValue observable2, @Nonnull final Supplier supplier, @Nonnull final ObservableValue> mapper) {
requireNonNull(observable1, ERROR_OBSERVABLE1_NULL);
requireNonNull(observable2, ERROR_OBSERVABLE2_NULL);
requireNonNull(supplier, ERROR_SUPPLIER_NULL);
requireNonNull(mapper, ERROR_MAPPER_NULL);
return createStringBinding(() -> {
String value1 = observable1.getValue();
String value2 = observable2.getValue();
if (value1 != null && value2 != null) {
BiFunction
