Class PropBinding
- java.lang.Object
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- org.apache.tapestry5.ioc.BaseLocatable
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- org.apache.tapestry5.internal.bindings.AbstractBinding
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- org.apache.tapestry5.internal.bindings.PropBinding
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- All Implemented Interfaces:
Binding,Binding2,AnnotationProvider,Locatable,InternalPropBinding
public class PropBinding extends AbstractBinding implements InternalPropBinding
Base class for bindings created by thePropBindingFactory. A subclass of this is created at runtime.
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Constructor Summary
Constructors Constructor Description PropBinding(Location location, java.lang.Object root, PropertyConduit conduit, java.lang.String expression, java.lang.String toString)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Objectget()The default implementation of get() will throw a TapestryException (binding is write only).<T extends java.lang.annotation.Annotation>
TgetAnnotation(java.lang.Class<T> annotationClass)Always returns null.java.lang.reflect.TypegetBindingGenericType()Get the generic type from the underlying propertyjava.lang.ClassgetBindingType()Returns the actual class, by invokingBinding.get().java.lang.StringgetExpression()java.lang.StringgetPropertyName()Returns the name of the property, if exists.booleanisInvariant()Almost always returns false, unless the conduit provides theInvariantannotation.voidset(java.lang.Object value)Updates the current value.java.lang.StringtoString()-
Methods inherited from class org.apache.tapestry5.ioc.BaseLocatable
getLocation
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Constructor Detail
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PropBinding
public PropBinding(Location location, java.lang.Object root, PropertyConduit conduit, java.lang.String expression, java.lang.String toString)
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Method Detail
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get
public java.lang.Object get()
The default implementation of get() will throw a TapestryException (binding is write only). The fabricated subclass may override this method (as well as set()).
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set
public void set(java.lang.Object value)
Description copied from interface:BindingUpdates the current value. Most types of bindings are read-only, and this method will throw a runtime exception. It is the caller's responsibility to ensure that the value passed in is of the appropriate type.- Specified by:
setin interfaceBinding- Overrides:
setin classAbstractBinding
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toString
public java.lang.String toString()
- Overrides:
toStringin classjava.lang.Object
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isInvariant
public boolean isInvariant()
Almost always returns false, unless the conduit provides theInvariantannotation.- Specified by:
isInvariantin interfaceBinding- Overrides:
isInvariantin classAbstractBinding
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getBindingType
public java.lang.Class getBindingType()
Description copied from class:AbstractBindingReturns the actual class, by invokingBinding.get(). Subclasses may override this method to work more efficiently (say, when the binding type is known statically).- Specified by:
getBindingTypein interfaceBinding- Overrides:
getBindingTypein classAbstractBinding
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getBindingGenericType
public java.lang.reflect.Type getBindingGenericType()
Get the generic type from the underlying property- Specified by:
getBindingGenericTypein interfaceBinding2- Overrides:
getBindingGenericTypein classAbstractBinding- See Also:
PropertyConduit2.getPropertyGenericType()
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getAnnotation
public <T extends java.lang.annotation.Annotation> T getAnnotation(java.lang.Class<T> annotationClass)
Description copied from class:AbstractBindingAlways returns null. Bindings that provide access to a method or field will override this method to return the appropriate annotation.- Specified by:
getAnnotationin interfaceAnnotationProvider- Overrides:
getAnnotationin classAbstractBinding- Parameters:
annotationClass- used to select the annotation to return- Returns:
- the annotation, or null if not found
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getPropertyName
public java.lang.String getPropertyName()
Description copied from interface:InternalPropBindingReturns the name of the property, if exists.- Specified by:
getPropertyNamein interfaceInternalPropBinding
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getExpression
public java.lang.String getExpression()
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