Package org.apache.commons.beanutils
Interface DynaClass
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- All Known Subinterfaces:
MutableDynaClass
- All Known Implementing Classes:
BasicDynaClass
,JDBCDynaClass
,LazyDynaClass
,LazyDynaMap
,ResultSetDynaClass
,RowSetDynaClass
,WrapDynaClass
public interface DynaClass
A DynaClass is a simulation of the functionality of
java.lang.Class
for classes implementing theDynaBean
interface. DynaBean instances that share the same DynaClass all have the same set of available properties, along with any associated data types, read-only states, and write-only states.- Version:
- $Id: DynaClass.java 1454597 2013-03-08 21:58:12Z britter $
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description DynaProperty[]
getDynaProperties()
Return an array ofProperyDescriptors
for the properties currently defined in this DynaClass.DynaProperty
getDynaProperty(java.lang.String name)
Return a property descriptor for the specified property, if it exists; otherwise, returnnull
.java.lang.String
getName()
Return the name of this DynaClass (analogous to thegetName()
method ofjava.lang.Class
DynaClass implementation class to support different dynamic classes, with different sets of properties.DynaBean
newInstance()
Instantiate and return a new DynaBean instance, associated with this DynaClass.
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Method Detail
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getName
java.lang.String getName()
Return the name of this DynaClass (analogous to thegetName()
method ofjava.lang.Class
DynaClass implementation class to support different dynamic classes, with different sets of properties.- Returns:
- the name of the DynaClass
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getDynaProperty
DynaProperty getDynaProperty(java.lang.String name)
Return a property descriptor for the specified property, if it exists; otherwise, returnnull
.- Parameters:
name
- Name of the dynamic property for which a descriptor is requested- Returns:
- The descriptor for the specified property
- Throws:
java.lang.IllegalArgumentException
- if no property name is specified
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getDynaProperties
DynaProperty[] getDynaProperties()
Return an array of
ProperyDescriptors
for the properties currently defined in this DynaClass. If no properties are defined, a zero-length array will be returned.FIXME - Should we really be implementing
getBeanInfo()
instead, which returns property descriptors and a bunch of other stuff?- Returns:
- the set of properties for this DynaClass
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newInstance
DynaBean newInstance() throws java.lang.IllegalAccessException, java.lang.InstantiationException
Instantiate and return a new DynaBean instance, associated with this DynaClass.- Returns:
- A new
DynaBean
instance - Throws:
java.lang.IllegalAccessException
- if the Class or the appropriate constructor is not accessiblejava.lang.InstantiationException
- if this Class represents an abstract class, an array class, a primitive type, or void; or if instantiation fails for some other reason
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