<Swing Dev> Swing and imageio-related types that are candidates to be FunctionalInterfaces in JDK 8

[Brian Goetz]

There is no automagic use of parallelism as part of either the Lambda 
language features or new libraries.  All parallelism is explicit (though 
unobtrusive).  So I think this comment optimizes down to "" :)

On 2/11/2013 5:21 PM, Phil Race wrote:
> Joe,
>
> Note that Swing is a single threaded API. You can't update the UI from
> any thread other than the EDT.
> Where any automatic usage of processing in parallel from additional threads
> is performed by the lambda implementation it will violate that requirement.
> So you should be circumspect in tagging Swing classes.
>
> -phil.
>
> On 2/5/2013 2:41 PM, Joe Darcy wrote:
>> Hello,
>>
>> As part of Project Lambda, a FunctionalInterface annotation type was
>> added to the platform to mark interfaces that are intended to be used
>> in lambda expressions.  I've sent out a code review request to add
>> this annotation to types in the core-libs area [1].
>>
>> To assist the swing team in adding analogous annotations to your
>> types, the list of candidate types in for swing and imageio-related
>> classes in java.* and javax.* is given below.  I recommend sub-tasks
>> of JDK-8005297 "Add FunctionalInterface support to the platform" be
>> used to track the work of adding @FunctionalInterface annotations to
>> swing types.
>>
>> Thanks,
>>
>> -Joe
>>
>> [1]
>> http://mail.openjdk.java.net/pipermail/core-libs-dev/2013-February/014292.html
>>
>>
>> jdk/src/share/classes/javax/print/FlavorException.java:39: Note:
>> Candidate functional interface
>> public interface FlavorException {
>>        ^
>> jdk/src/share/classes/javax/print/event/PrintServiceAttributeListener.java:37:
>> Note: Candidate functional interface
>> public interface PrintServiceAttributeListener {
>>        ^
>> jdk/src/share/classes/javax/print/event/PrintJobAttributeListener.java:34:
>> Note: Candidate functional interface
>> public interface PrintJobAttributeListener {
>>        ^
>> jdk/src/share/classes/javax/swing/TransferHandler.java:128: Note:
>> Candidate functional interface
>>     interface HasGetTransferHandler {
>>     ^
>> jdk/src/share/classes/javax/swing/tree/TreeCellRenderer.java:42: Note:
>> Candidate functional interface
>> public interface TreeCellRenderer {
>>        ^
>> jdk/src/share/classes/javax/swing/tree/RowMapper.java:36: Note:
>> Candidate functional interface
>> public interface RowMapper
>>        ^
>> jdk/src/share/classes/javax/swing/table/TableCellRenderer.java:38:
>> Note: Candidate functional interface
>> public interface TableCellRenderer {
>>        ^
>> jdk/src/share/classes/javax/swing/event/ChangeListener.java:36: Note:
>> Candidate functional interface
>> public interface ChangeListener extends EventListener {
>>        ^
>> jdk/src/share/classes/javax/swing/event/HyperlinkListener.java:35:
>> Note: Candidate functional interface
>> public interface HyperlinkListener extends EventListener {
>>        ^
>> jdk/src/share/classes/javax/swing/event/RowSorterListener.java:34:
>> Note: Candidate functional interface
>> public interface RowSorterListener extends java.util.EventListener {
>>        ^
>> jdk/src/share/classes/javax/swing/event/CaretListener.java:36: Note:
>> Candidate functional interface
>> public interface CaretListener extends EventListener {
>>        ^
>> jdk/src/share/classes/javax/swing/event/ListSelectionListener.java:41:
>> Note: Candidate functional interface
>> public interface ListSelectionListener extends EventListener
>>        ^
>> jdk/src/share/classes/javax/swing/event/UndoableEditListener.java:37:
>> Note: Candidate functional interface
>> public interface UndoableEditListener extends java.util.EventListener {
>>        ^
>> jdk/src/share/classes/javax/swing/event/TableModelListener.java:38:
>> Note: Candidate functional interface
>> public interface TableModelListener extends java.util.EventListener
>>        ^
>> jdk/src/share/classes/javax/swing/event/TreeSelectionListener.java:43:
>> Note: Candidate functional interface
>> public interface TreeSelectionListener extends EventListener
>>        ^
>> jdk/src/share/classes/javax/swing/ListCellRenderer.java:89: Note:
>> Candidate functional interface
>> public interface ListCellRenderer<E>
>>        ^
>> jdk/src/share/classes/javax/swing/text/html/CSSBorder.java:257: Note:
>> Candidate functional interface
>>     interface BorderPainter {
>>     ^
>> jdk/src/share/classes/javax/swing/text/html/Map.java:234: Note:
>> Candidate functional interface
>>     interface RegionContainment {
>>     ^
>> jdk/src/share/classes/javax/swing/text/TabExpander.java:34: Note:
>> Candidate functional interface
>> public interface TabExpander {
>>        ^
>> jdk/src/share/classes/javax/swing/text/ViewFactory.java:36: Note:
>> Candidate functional interface
>> public interface ViewFactory {
>>        ^
>> jdk/src/share/classes/javax/swing/text/Position.java:49: Note:
>> Candidate functional interface
>> public interface Position {
>>        ^
>> jdk/src/share/classes/javax/swing/text/Highlighter.java:112: Note:
>> Candidate functional interface
>>     public interface HighlightPainter {
>>            ^
>> jdk/src/share/classes/javax/swing/Painter.java:63: Note: Candidate
>> functional interface
>> public interface Painter<T> {
>>        ^
>> jdk/src/share/classes/javax/swing/plaf/basic/DragRecognitionSupport.java:52:
>> Note: Candidate functional interface
>>     public static interface BeforeDrag {
>>                   ^
>> jdk/src/share/classes/javax/swing/UIDefaults.java:951: Note: Candidate
>> functional interface
>>     public interface LazyValue {
>>            ^
>> jdk/src/share/classes/javax/swing/UIDefaults.java:984: Note: Candidate
>> functional interface
>>     public interface ActiveValue {
>>            ^
>> jdk/src/share/classes/javax/swing/JComboBox.java:1484: Note: Candidate
>> functional interface
>>     public interface KeySelectionManager {
>>            ^
>> jdk/src/share/classes/javax/imageio/IIOParamController.java:99: Note:
>> Candidate functional interface
>> public interface IIOParamController {
>>        ^
>> jdk/src/share/classes/javax/imageio/event/IIOWriteWarningListener.java:46:
>> Note: Candidate functional interface
>> public interface IIOWriteWarningListener extends EventListener {
>>        ^
>> jdk/src/share/classes/javax/imageio/event/IIOReadWarningListener.java:46:
>> Note: Candidate functional interface
>> public interface IIOReadWarningListener extends EventListener {
>>        ^
>> jdk/src/share/classes/javax/imageio/metadata/IIOMetadataController.java:67:
>> Note: Candidate functional interface
>> public interface IIOMetadataController {
>>        ^
>> jdk/src/share/classes/javax/imageio/spi/ServiceRegistry.java:464:
>> Note: Candidate functional interface
>>     public interface Filter {
>