8249647: Many classes in package javafx.beans.binding in module javaf…

…x.base have implicit no-arg constructors

Reviewed-by: nlisker, kcr

modules/javafx.base/src/main/java/javafx/beans/binding/BooleanBinding.java

@@ -60,7 +60,7 @@ public abstract class BooleanBinding extends BooleanExpression implements
         Binding<Boolean> {
 
     /**
-     * Sole constructor
+     * Creates a default {@code BooleanBinding}.
      */
     public BooleanBinding() {
     }

modules/javafx.base/src/main/java/javafx/beans/binding/BooleanExpression.java

@@ -45,7 +45,7 @@
 public abstract class BooleanExpression implements ObservableBooleanValue {
 
     /**
-     * Sole constructor
+     * Creates a default {@code BooleanExpression}.
      */
     public BooleanExpression() {
     }

modules/javafx.base/src/main/java/javafx/beans/binding/DoubleBinding.java

@@ -116,6 +116,12 @@ public abstract class DoubleBinding extends DoubleExpression implements
     private BindingHelperObserver observer;
     private ExpressionHelper<Number> helper = null;
 
+    /**
+     * Creates a default {@code DoubleBinding}.
+     */
+    public DoubleBinding() {
+    }
+
     @Override
     public void addListener(InvalidationListener listener) {
         helper = ExpressionHelper.addListener(helper, this, listener);

modules/javafx.base/src/main/java/javafx/beans/binding/DoubleExpression.java

@@ -44,6 +44,12 @@
 public abstract class DoubleExpression extends NumberExpressionBase implements
         ObservableDoubleValue {
 
+    /**
+     * Creates a default {@code DoubleExpression}.
+     */
+    public DoubleExpression() {
+    }
+
     @Override
     public int intValue() {
         return (int) get();

modules/javafx.base/src/main/java/javafx/beans/binding/FloatBinding.java

@@ -66,6 +66,12 @@ public abstract class FloatBinding extends FloatExpression implements
     private BindingHelperObserver observer;
     private ExpressionHelper<Number> helper = null;
 
+    /**
+     * Creates a default {@code FloatBinding}.
+     */
+    public FloatBinding() {
+    }
+
     @Override
     public void addListener(InvalidationListener listener) {
         helper = ExpressionHelper.addListener(helper, this, listener);

modules/javafx.base/src/main/java/javafx/beans/binding/FloatExpression.java

@@ -43,6 +43,12 @@
 public abstract class FloatExpression extends NumberExpressionBase implements
         ObservableFloatValue {
 
+    /**
+     * Creates a default {@code FloatExpression}.
+     */
+    public FloatExpression() {
+    }
+
     @Override
     public int intValue() {
         return (int) get();

modules/javafx.base/src/main/java/javafx/beans/binding/IntegerBinding.java

@@ -66,6 +66,12 @@ public abstract class IntegerBinding extends IntegerExpression implements
     private BindingHelperObserver observer;
     private ExpressionHelper<Number> helper = null;
 
+    /**
+     * Creates a default {@code IntegerBinding}.
+     */
+    public IntegerBinding() {
+    }
+
     @Override
     public void addListener(InvalidationListener listener) {
         helper = ExpressionHelper.addListener(helper, this, listener);

modules/javafx.base/src/main/java/javafx/beans/binding/IntegerExpression.java

@@ -43,6 +43,12 @@
 public abstract class IntegerExpression extends NumberExpressionBase implements
         ObservableIntegerValue {
 
+    /**
+     * Creates a default {@code IntegerExpression}.
+     */
+    public IntegerExpression() {
+    }
+
     @Override
     public int intValue() {
         return get();

modules/javafx.base/src/main/java/javafx/beans/binding/ListBinding.java

@@ -64,6 +64,12 @@
  */
 public abstract class ListBinding<E> extends ListExpression<E> implements Binding<ObservableList<E>> {
 
+    /**
+     * Creates a default {@code ListBinding}.
+     */
+    public ListBinding() {
+    }
+
     private final ListChangeListener<E> listChangeListener = new ListChangeListener<E>() {
         @Override
         public void onChanged(Change<? extends E> change) {

modules/javafx.base/src/main/java/javafx/beans/binding/ListExpression.java

@@ -57,6 +57,12 @@ public abstract class ListExpression<E> implements ObservableListValue<E> {
 
     private static final ObservableList EMPTY_LIST = FXCollections.emptyObservableList();
 
+    /**
+     * Creates a default {@code ListExpression}.
+     */
+    public ListExpression() {
+    }
+
     @Override
     public ObservableList<E> getValue() {
         return get();

modules/javafx.base/src/main/java/javafx/beans/binding/LongBinding.java

@@ -66,6 +66,12 @@ public abstract class LongBinding extends LongExpression implements
     private BindingHelperObserver observer;
     private ExpressionHelper<Number> helper = null;
 
+    /**
+     * Creates a default {@code LongBinding}.
+     */
+    public LongBinding() {
+    }
+
     @Override
     public void addListener(InvalidationListener listener) {
         helper = ExpressionHelper.addListener(helper, this, listener);

modules/javafx.base/src/main/java/javafx/beans/binding/LongExpression.java

@@ -42,6 +42,12 @@
 public abstract class LongExpression extends NumberExpressionBase implements
         ObservableLongValue {
 
+    /**
+     * Creates a default {@code LongExpression}.
+     */
+    public LongExpression() {
+    }
+
     @Override
     public int intValue() {
         return (int) get();

modules/javafx.base/src/main/java/javafx/beans/binding/MapBinding.java

@@ -84,6 +84,12 @@ public void onChanged(Change<? extends K, ? extends V> change) {
     private SizeProperty size0;
     private EmptyProperty empty0;
 
+    /**
+     * Creates a default {@code MapBinding}.
+     */
+    public MapBinding() {
+    }
+
     @Override
     public ReadOnlyIntegerProperty sizeProperty() {
         if (size0 == null) {

modules/javafx.base/src/main/java/javafx/beans/binding/MapExpression.java

@@ -91,6 +91,12 @@ public ObservableMap<K, V> getValue() {
         return get();
     }
 
+    /**
+     * Creates a default {@code MapExpression}.
+     */
+    public MapExpression() {
+    }
+
     /**
      * Returns a {@code MapExpression} that wraps a
      * {@link javafx.beans.value.ObservableMapValue}. If the

modules/javafx.base/src/main/java/javafx/beans/binding/NumberExpressionBase.java

@@ -49,6 +49,12 @@
  */
 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

modules/javafx.base/src/main/java/javafx/beans/binding/ObjectBinding.java

@@ -66,6 +66,12 @@ public abstract class ObjectBinding<T> extends ObjectExpression<T> implements
     private BindingHelperObserver observer;
     private ExpressionHelper<T> helper = null;
 
+    /**
+     * Creates a default {@code ObjectBinding}.
+     */
+    public ObjectBinding() {
+    }
+
     @Override
     public void addListener(InvalidationListener listener) {
         helper = ExpressionHelper.addListener(helper, this, listener);

modules/javafx.base/src/main/java/javafx/beans/binding/ObjectExpression.java

@@ -49,6 +49,12 @@ public T getValue() {
         return get();
     }
 
+    /**
+     * Creates a default {@code ObjectExpression}.
+     */
+    public ObjectExpression() {
+    }
+
     /**
      * Returns an {@code ObjectExpression} that wraps an
      * {@link javafx.beans.value.ObservableObjectValue}. If the

modules/javafx.base/src/main/java/javafx/beans/binding/SetBinding.java

@@ -65,6 +65,12 @@
  */
 public abstract class SetBinding<E> extends SetExpression<E> implements Binding<ObservableSet<E>> {
 
+    /**
+     * Creates a default {@code SetBinding}.
+     */
+    public SetBinding() {
+    }
+
     private final SetChangeListener<E> setChangeListener = new SetChangeListener<E>() {
         @Override
         public void onChanged(Change<? extends E> change) {

modules/javafx.base/src/main/java/javafx/beans/binding/SetExpression.java

@@ -57,6 +57,12 @@
  */
 public abstract class SetExpression<E> implements ObservableSetValue<E> {
 
+    /**
+     * Creates a default {@code SetExpression}.
+     */
+    public SetExpression() {
+    }
+
     private static final ObservableSet EMPTY_SET = new EmptyObservableSet();
 
     private static class EmptyObservableSet<E> extends AbstractSet<E> implements ObservableSet<E> {

modules/javafx.base/src/main/java/javafx/beans/binding/StringBinding.java

@@ -65,6 +65,12 @@ public abstract class StringBinding extends StringExpression implements
     private BindingHelperObserver observer;
     private ExpressionHelper<String> helper = null;
 
+    /**
+     * Creates a default {@code StringBinding}.
+     */
+    public StringBinding() {
+    }
+
     @Override
     public void addListener(InvalidationListener listener) {
         helper = ExpressionHelper.addListener(helper, this, listener);

modules/javafx.base/src/main/java/javafx/beans/binding/StringExpression.java

@@ -46,6 +46,12 @@
  */
 public abstract class StringExpression implements ObservableStringValue {
 
+    /**
+     * Creates a default {@code StringExpression}.
+     */
+    public StringExpression() {
+    }
+
     @Override
     public String getValue() {
         return get();