Algorithm:
If factory is null, then create object internally()
Otherwise try to create object through factory
If null returned from factory, then create object internally
This allows the factory to selectively create objects, also allows for
the common possibility that a factory is not configured.
isFinal() -
Method in class com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.IterateContext
isFirst() -
Method in class com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.IterateContext
Deprecated.This method should not be used to decide whether or not to
add prepend and open text to the generated statement. Rather, use the
methods isPrependEnabled() and someSubElementsHaveContent().