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modules/javafx.base/src/main/java/javafx/beans/property/adapter/JavaBeanLongProperty.java

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rev 10445 : [mq]: doc-v1-8177566-trampoline


  31 import com.sun.javafx.property.adapter.PropertyDescriptor;
  32 import javafx.beans.InvalidationListener;
  33 import javafx.beans.property.LongProperty;
  34 import javafx.beans.value.ChangeListener;
  35 import javafx.beans.value.ObservableValue;
  36 
  37 import java.lang.reflect.InvocationTargetException;
  38 import java.lang.reflect.UndeclaredThrowableException;
  39 
  40 import java.security.AccessControlContext;
  41 import java.security.AccessController;
  42 import java.security.PrivilegedAction;
  43 
  44 /**
  45  * A {@code JavaBeanLongProperty} provides an adapter between a regular
  46  * Java Bean property of type {@code long} or {@code Long} and a JavaFX
  47  * {@code LongProperty}. It cannot be created directly, but a
  48  * {@link JavaBeanLongPropertyBuilder} has to be used.
  49  * <p>
  50  * As a minimum, the Java Bean class must implement a getter and a setter for the
  51  * property. If the getter of an instance of this class is called, the property of


  52  * the Java Bean is returned. If the setter is called, the value will be passed
  53  * to the Java Bean property. If the Java Bean property is bound (i.e. it supports
  54  * PropertyChangeListeners), this {@code JavaBeanLongProperty} will be
  55  * aware of changes in the Java Bean. Otherwise it can be notified about
  56  * changes by calling {@link #fireValueChangedEvent()}. If the Java Bean property
  57  * is also constrained (i.e. it supports VetoableChangeListeners), this
  58  * {@code JavaBeanLongProperty} will reject changes, if it is bound to an
  59  * {@link javafx.beans.value.ObservableValue ObservableValue&lt;Long&gt;}.
  60  * </p>

  61  * <p>
  62  * The Java Bean class must be declared public. If that class is in a named
  63  * module, then the module must {@link Module#isOpen(String,Module) open}
  64  * the containing package to at least the {@code javafx.base} module
  65  * (or {@link Module#isExported(String) export} the containing package
  66  * unconditionally).















  67  * </p>
  68  *
  69  * @see javafx.beans.property.LongProperty
  70  * @see JavaBeanLongPropertyBuilder
  71  * @since JavaFX 2.1
  72  */
  73 public final class JavaBeanLongProperty extends LongProperty implements JavaBeanProperty<Number> {
  74 
  75     private final PropertyDescriptor descriptor;
  76     private final PropertyDescriptor.Listener<Number> listener;
  77 
  78     private ObservableValue<? extends Number> observable = null;
  79     private ExpressionHelper<Number> helper = null;
  80 
  81     private final AccessControlContext acc = AccessController.getContext();
  82 
  83     JavaBeanLongProperty(PropertyDescriptor descriptor, Object bean) {
  84         this.descriptor = descriptor;
  85         this.listener = descriptor.new Listener<Number>(bean, this);
  86         descriptor.addListener(listener);




  31 import com.sun.javafx.property.adapter.PropertyDescriptor;
  32 import javafx.beans.InvalidationListener;
  33 import javafx.beans.property.LongProperty;
  34 import javafx.beans.value.ChangeListener;
  35 import javafx.beans.value.ObservableValue;
  36 
  37 import java.lang.reflect.InvocationTargetException;
  38 import java.lang.reflect.UndeclaredThrowableException;
  39 
  40 import java.security.AccessControlContext;
  41 import java.security.AccessController;
  42 import java.security.PrivilegedAction;
  43 
  44 /**
  45  * A {@code JavaBeanLongProperty} provides an adapter between a regular
  46  * Java Bean property of type {@code long} or {@code Long} and a JavaFX
  47  * {@code LongProperty}. It cannot be created directly, but a
  48  * {@link JavaBeanLongPropertyBuilder} has to be used.
  49  * <p>
  50  * As a minimum, the Java Bean class must implement a getter and a setter for the
  51  * property.
  52  * The class, as well as the getter and a setter methods, must be declared public.
  53  * If the getter of an instance of this class is called, the property of
  54  * the Java Bean is returned. If the setter is called, the value will be passed
  55  * to the Java Bean property. If the Java Bean property is bound (i.e. it supports
  56  * PropertyChangeListeners), this {@code JavaBeanLongProperty} will be
  57  * aware of changes in the Java Bean. Otherwise it can be notified about
  58  * changes by calling {@link #fireValueChangedEvent()}. If the Java Bean property
  59  * is also constrained (i.e. it supports VetoableChangeListeners), this
  60  * {@code JavaBeanLongProperty} will reject changes, if it is bound to an
  61  * {@link javafx.beans.value.ObservableValue ObservableValue&lt;Long&gt;}.
  62  * </p>
  63  * <p><b>Deploying an Application as a Module</b></p>
  64  * <p>
  65  * If the Java Bean class is in a named module, then it must be reflectively
  66  * accessible to the {@code javafx.base} module.
  67  * A class is reflectively accessible if the module
  68  * {@link Module#isOpen(String,Module) opens} the containing package to at
  69  * least the {@code javafx.base} module.
  70  * </p>
  71  * <p>
  72  * For example, if {@code com.foo.MyBeanClass} is in the {@code foo.app} module,
  73  * the {@code module-info.java} might
  74  * look like this:
  75  * </p>
  76  *
  77 <pre>{@code module foo.app {
  78     opens com.foo to javafx.base;
  79 }}</pre>
  80  *
  81  * <p>
  82  * Alternatively, a class is reflectively accessible if the module
  83  * {@link Module#isExported(String) exports} the containing package
  84  * unconditionally.
  85  * </p>
  86  *
  87  * @see javafx.beans.property.LongProperty
  88  * @see JavaBeanLongPropertyBuilder
  89  * @since JavaFX 2.1
  90  */
  91 public final class JavaBeanLongProperty extends LongProperty implements JavaBeanProperty<Number> {
  92 
  93     private final PropertyDescriptor descriptor;
  94     private final PropertyDescriptor.Listener<Number> listener;
  95 
  96     private ObservableValue<? extends Number> observable = null;
  97     private ExpressionHelper<Number> helper = null;
  98 
  99     private final AccessControlContext acc = AccessController.getContext();
 100 
 101     JavaBeanLongProperty(PropertyDescriptor descriptor, Object bean) {
 102         this.descriptor = descriptor;
 103         this.listener = descriptor.new Listener<Number>(bean, this);
 104         descriptor.addListener(listener);


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