net.esper.event.property
Class DynamicIndexedPropertyGetter
java.lang.Object
net.esper.event.property.DynamicPropertyGetterBase
net.esper.event.property.DynamicIndexedPropertyGetter
- All Implemented Interfaces:
- EventPropertyGetter
public class DynamicIndexedPropertyGetter
- extends DynamicPropertyGetterBase
- implements EventPropertyGetter
Getter for a dynamic indexed property (syntax field.indexed[0]?), using vanilla reflection.
Method Summary |
protected Object |
call(DynamicPropertyDescriptor descriptor,
Object underlying)
Call the getter to obtains the return result object, or null if no such method exists. |
protected Method |
determineMethod(Class clazz)
To be implemented to return the method required, or null to indicate an appropriate method could not be found. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DynamicIndexedPropertyGetter
public DynamicIndexedPropertyGetter(String fieldName,
int index)
- Ctor.
- Parameters:
fieldName
- property nameindex
- index to get the element at
determineMethod
protected Method determineMethod(Class clazz)
- Description copied from class:
DynamicPropertyGetterBase
- To be implemented to return the method required, or null to indicate an appropriate method could not be found.
- Specified by:
determineMethod
in class DynamicPropertyGetterBase
- Parameters:
clazz
- to search for a matching method
- Returns:
- method if found, or null if no matching method exists
call
protected Object call(DynamicPropertyDescriptor descriptor,
Object underlying)
- Description copied from class:
DynamicPropertyGetterBase
- Call the getter to obtains the return result object, or null if no such method exists.
- Specified by:
call
in class DynamicPropertyGetterBase
- Parameters:
descriptor
- provides method information for the classunderlying
- is the underlying object to ask for the property value
- Returns:
- underlying