java.lang.Object
javax.lang.model.util.AbstractElementVisitor6<R,P>
javax.lang.model.util.ElementScanner6<R,P>
javax.lang.model.util.ElementScanner7<R,P>
javax.lang.model.util.ElementScanner8<R,P>
javax.lang.model.util.ElementScanner9<R,P>
- Type Parameters:
R
- the return type of this visitor's methods. UseVoid
for visitors that do not need to return results.P
- the type of the additional parameter to this visitor's methods. UseVoid
for visitors that do not need an additional parameter.
- All Implemented Interfaces:
ElementVisitor<R,
P>
- Direct Known Subclasses:
ElementScanner14
A scanning visitor of program elements with default behavior
appropriate for source versions
RELEASE_9
through RELEASE_14
.
The visitXyz
methods in this class scan their
component elements by calling scan
on their enclosed elements, parameters, etc., as indicated in the individual method
specifications. A subclass can control the order elements are
visited by overriding the visitXyz
methods.
Note that clients of a scanner may get the desired behavior by
invoking v.scan(e, p)
rather than v.visit(e, p)
on
the root objects of interest.
When a subclass overrides a visitXyz
method, the
new method can cause the enclosed elements to be scanned in the
default way by calling super.visitXyz
. In this
fashion, the concrete visitor can control the ordering of traversal
over the component elements with respect to the additional
processing; for example, consistently calling
super.visitXyz
at the start of the overridden
methods will yield a preorder traversal, etc. If the component
elements should be traversed in some other order, instead of
calling super.visitXyz
, an overriding visit method
should call scan
with the elements in the desired order.
- API Note:
- Methods in this class may be overridden subject to their general contract.
- Since:
- 9
- See Also:
-
Field Summary
Fields declared in class javax.lang.model.util.ElementScanner6
DEFAULT_VALUE
-
Constructor Summary
ModifierConstructorDescriptionprotected
Constructor for concrete subclasses; usesnull
for the default value.protected
ElementScanner9
(R defaultValue) Constructor for concrete subclasses; uses the argument for the default value. -
Method Summary
Methods declared in class javax.lang.model.util.ElementScanner7
visitVariable
Methods declared in class javax.lang.model.util.ElementScanner6
scan, scan, scan, visitExecutable, visitPackage, visitType, visitTypeParameter
Methods declared in class javax.lang.model.util.AbstractElementVisitor6
visit, visit, visitRecordComponent, visitUnknown
-
Constructor Details
-
ElementScanner9
protected ElementScanner9()Constructor for concrete subclasses; usesnull
for the default value. -
ElementScanner9
Constructor for concrete subclasses; uses the argument for the default value.- Parameters:
defaultValue
- the default value
-
-
Method Details
-
visitModule
Visits a module element.- Specified by:
visitModule
in interfaceElementVisitor<R,
P> - Overrides:
visitModule
in classAbstractElementVisitor6<R,
P> - Implementation Requirements:
- This implementation scans the enclosed elements.
- Parameters:
e
- the element to visitp
- a visitor-specified parameter- Returns:
- the result of the scan
-