JDK 8 code review request for 8005623: Retrofit FunctionalInterface annotations to core platform interfaces

Wed Feb 6 09:20:29 UTC 2013

Not Thread itself, but the UncaughtExceptionHandler interface declared 
inside thread :-)  (I wasn't positive this was meaningfully a functional 
interface though.)

-Joe

On 2/6/2013 12:42 AM, David Holmes wrote:
> I don't think Thread belongs in there. ;-)
>
> David
>
> On 6/02/2013 8:16 AM, Joe Darcy wrote:
>> Hello,
>>
>> As a follow-up to adding the FunctionalInterface annotation type to the
>> platform, the time has come to annotate JDK classes with the annotation.
>>
>> I ran an annotation processor over the sources in the jdk repo to look
>> for candidates to be marked as FunctionalInterfaces and for a first cut
>> I have added the annotation to 34 types, including all of the types in
>> java.util.function:
>>
>> src/share/classes/java/io/Closeable.java
>> src/share/classes/java/io/FileFilter.java
>> src/share/classes/java/io/FilenameFilter.java
>> src/share/classes/java/io/Flushable.java
>> src/share/classes/java/lang/AutoCloseable.java
>> src/share/classes/java/lang/Comparable.java
>> src/share/classes/java/lang/Iterable.java
>> src/share/classes/java/lang/Readable.java
>> src/share/classes/java/lang/Runnable.java
>> src/share/classes/java/lang/Thread.java
>> src/share/classes/java/util/Comparator.java
>> src/share/classes/java/util/function/BinaryOperator.java
>> src/share/classes/java/util/function/Block.java
>> src/share/classes/java/util/function/DoubleBinaryOperator.java
>> src/share/classes/java/util/function/DoubleBlock.java
>> src/share/classes/java/util/function/DoubleFunction.java
>> src/share/classes/java/util/function/DoubleSupplier.java
>> src/share/classes/java/util/function/DoubleUnaryOperator.java
>> src/share/classes/java/util/function/Function.java
>> src/share/classes/java/util/function/IntBinaryOperator.java
>> src/share/classes/java/util/function/IntBlock.java
>> src/share/classes/java/util/function/IntFunction.java
>> src/share/classes/java/util/function/IntSupplier.java
>> src/share/classes/java/util/function/IntUnaryOperator.java
>> src/share/classes/java/util/function/LongBinaryOperator.java
>> src/share/classes/java/util/function/LongBlock.java
>> src/share/classes/java/util/function/LongFunction.java
>> src/share/classes/java/util/function/LongSupplier.java
>> src/share/classes/java/util/function/LongUnaryOperator.java
>> src/share/classes/java/util/function/Predicate.java
>> src/share/classes/java/util/function/Supplier.java
>> src/share/classes/java/util/function/UnaryOperator.java
>> src/share/classes/java/util/logging/Filter.java
>> src/share/classes/java/util/prefs/PreferenceChangeListener.java
>>
>> Webrev:
>> http://cr.openjdk.java.net/~darcy/8005623.0/
>>
>> This review is both to cover the addition of @FunctionalInterface to the
>> types above and also to query if the annotation should be included in
>> any of the other types below under the same bug. The sub-areas I have
>> not annotated yet include:
>>
>> * xml
>> * jdbc
>> * JSR 310
>> * JNDI
>> * RMI
>> * Beans
>> * networking
>> * JMX/management
>> * java.util.concurrent
>>
>> The annotation can be added in these areas separately later as well; if
>> that is done, I recommend sub-tasks of JDK-8005297 "Add
>> FunctionalInterface support to the platform" be used to track the work.
>>
>> I'll separately be sending email to the security and awt/swing teams
>> about the functional interface candidates in their areas.
>>
>> Thanks,
>>
>> -Joe
>>
>> misc core
>> ========
>>
>> jdk/src/share/classes/java/lang/annotation/Annotation.java:40: Note:
>> Candidate functional interface
>> public interface Annotation {
>> ^
>> jdk/src/share/classes/java/io/ObjectInputValidation.java:38: Note:
>> Candidate functional interface
>> public interface ObjectInputValidation {
>> ^
>> jdk/src/share/classes/java/util/ResourceBundle.java:690: Note: Candidate
>> functional interface
>> private static interface CacheKeyReference {
>> ^
>> jdk/src/share/classes/java/util/spi/ResourceBundleControlProvider.java:51: 
>>
>> Note: Candidate functional interface
>> public interface ResourceBundleControlProvider {
>> ^
>> jdk/src/share/classes/java/util/Formattable.java:119: Note: Candidate
>> functional interface
>> public interface Formattable {
>> ^
>> jdk/src/share/classes/java/util/Observer.java:35: Note: Candidate
>> functional interface
>> public interface Observer {
>> ^
>> jdk/src/share/classes/java/nio/file/WatchEvent.java:76: Note: Candidate
>> functional interface
>> public static interface Modifier {
>> ^
>> jdk/src/share/classes/java/nio/file/attribute/AttributeView.java:38:
>> Note: Candidate functional interface
>> public interface AttributeView {
>> ^
>> jdk/src/share/classes/java/nio/file/attribute/FileStoreAttributeView.java:35: 
>>
>> Note: Candidate functional interface
>> public interface FileStoreAttributeView
>> ^
>> jdk/src/share/classes/java/nio/file/attribute/FileAttributeView.java:39:
>> Note: Candidate functional interface
>> public interface FileAttributeView
>> ^
>> jdk/src/share/classes/java/nio/file/attribute/UserPrincipal.java:54:
>> Note: Candidate functional interface
>> public interface UserPrincipal extends Principal { }
>> ^
>> jdk/src/share/classes/java/nio/file/attribute/GroupPrincipal.java:42:
>> Note: Candidate functional interface
>> public interface GroupPrincipal extends UserPrincipal { }
>> ^
>> jdk/src/share/classes/java/nio/file/PathMatcher.java:38: Note: Candidate
>> functional interface
>> public interface PathMatcher {
>> ^
>> jdk/src/share/classes/java/nio/file/DirectoryStream.java:133: Note:
>> Candidate functional interface
>> public static interface Filter<T> {
>> ^
>> jdk/src/share/classes/javax/accessibility/Accessible.java:39: Note:
>> Candidate functional interface
>> public interface Accessible {
>> ^
>>
>> jdk/src/share/classes/org/jcp/xml/dsig/internal/dom/ApacheData.java:37:
>> Note: Candidate functional interface
>> public interface ApacheData extends Data {
>>
>> reflection
>> =============
>>
>> jdk/src/share/classes/java/lang/reflect/GenericArrayType.java:33: Note:
>> Candidate functional interface
>> public interface GenericArrayType extends Type {
>> ^
>>
>> jdk/src/share/classes/java/lang/reflect/GenericDeclaration.java:33:
>> Note: Candidate functional interface
>> public interface GenericDeclaration {
>> ^
>> jdk/src/share/classes/java/lang/reflect/InvocationHandler.java:41: Note:
>> Candidate functional interface
>> public interface InvocationHandler {
>> ^
>>
>>
>> xml
>> =====
>>
>> jdk/src/share/classes/javax/xml/crypto/KeySelectorResult.java:46: Note:
>> Candidate functional interface
>> public interface KeySelectorResult {
>> ^
>> jdk/src/share/classes/javax/xml/crypto/URIDereferencer.java:55: Note:
>> Candidate functional interface
>> public interface URIDereferencer {
>> ^
>> jdk/src/share/classes/javax/xml/crypto/NodeSetData.java:42: Note:
>> Candidate functional interface
>> public interface NodeSetData extends Data {
>> ^
>> jdk/src/share/classes/javax/xml/crypto/XMLStructure.java:39: Note:
>> Candidate functional interface
>> public interface XMLStructure {
>> ^
>>
>> JDBC - Assuming this will be handled separately under JDBC maintenance
>> ======
>>
>> jdk/src/share/classes/java/sql/RowId.java:63: Note: Candidate functional
>> interface
>> public interface RowId {
>> ^
>> jdk/src/share/classes/javax/sql/RowSetReader.java:41: Note: Candidate
>> functional interface
>> public interface RowSetReader {
>> ^
>> jdk/src/share/classes/javax/sql/RowSetWriter.java:49: Note: Candidate
>> functional interface
>> public interface RowSetWriter {
>> ^
>> JSR 310 - Assuming this will be handled separately under JSR 310 
>> evolution
>> =========
>>
>> jdk/src/share/classes/java/time/temporal/TemporalAdjuster.java:96: Note:
>> Candidate functional interface
>> public interface TemporalAdjuster {
>> ^
>> jdk/src/share/classes/java/time/temporal/TemporalQuery.java:101: Note:
>> Candidate functional interface
>> public interface TemporalQuery<R> {
>> ^
>> jdk/src/share/classes/java/time/temporal/TemporalAdder.java:95: Note:
>> Candidate functional interface
>> public interface TemporalAdder {
>> ^
>> jdk/src/share/classes/java/time/temporal/TemporalSubtractor.java:95:
>> Note: Candidate functional interface
>> public interface TemporalSubtractor {
>> ^
>>
>> JNDI
>> ======
>>
>> jdk/src/share/classes/javax/naming/event/NamingListener.java:57: Note:
>> Candidate functional interface
>> public interface NamingListener extends java.util.EventListener {
>> ^
>> jdk/src/share/classes/javax/naming/ldap/HasControls.java:60: Note:
>> Candidate functional interface
>> public interface HasControls {
>> ^
>> jdk/src/share/classes/javax/naming/Referenceable.java:49: Note:
>> Candidate functional interface
>> public interface Referenceable {
>> ^
>> jdk/src/share/classes/javax/naming/NameParser.java:45: Note: Candidate
>> functional interface
>> public interface NameParser {
>> ^
>> jdk/src/share/classes/javax/naming/spi/StateFactory.java:80: Note:
>> Candidate functional interface
>> public interface StateFactory {
>> ^
>> jdk/src/share/classes/javax/naming/spi/ObjectFactoryBuilder.java:57:
>> Note: Candidate functional interface
>> public interface ObjectFactoryBuilder {
>> ^
>> jdk/src/share/classes/javax/naming/spi/ObjectFactory.java:70: Note:
>> Candidate functional interface
>> public interface ObjectFactory {
>> ^
>> jdk/src/share/classes/javax/naming/spi/InitialContextFactoryBuilder.java:54: 
>>
>> Note: Candidate functional interface
>> public interface InitialContextFactoryBuilder {
>> ^
>> jdk/src/share/classes/javax/naming/spi/InitialContextFactory.java:53:
>> Note: Candidate functional interface
>> public interface InitialContextFactory {
>> ^
>>
>> RMI
>> =====
>>
>> jdk/src/share/classes/java/rmi/activation/ActivationInstantiator.java:42: 
>> Note:
>> Candidate functional interface
>> public interface ActivationInstantiator extends Remote {
>> ^
>> jdk/src/share/classes/java/rmi/activation/Activator.java:64: Note:
>> Candidate functional interface
>> public interface Activator extends Remote {
>> ^
>> jdk/src/share/classes/java/rmi/server/RMIServerSocketFactory.java:61:
>> Note: Candidate functional interface
>> public interface RMIServerSocketFactory {
>> ^
>> jdk/src/share/classes/java/rmi/server/RMIFailureHandler.java:40: Note:
>> Candidate functional interface
>> public interface RMIFailureHandler {
>> ^
>> jdk/src/share/classes/java/rmi/server/RMIClientSocketFactory.java:62:
>> Note: Candidate functional interface
>> public interface RMIClientSocketFactory {
>> ^
>> jdk/src/share/classes/java/rmi/server/Unreferenced.java:37: Note:
>> Candidate functional interface
>> public interface Unreferenced {
>> ^
>> Beans
>> ========
>>
>> jdk/src/share/classes/java/beans/PropertyChangeListener.java:34: Note:
>> Candidate functional interface
>> public interface PropertyChangeListener extends 
>> java.util.EventListener {
>> ^
>> jdk/src/share/classes/java/beans/VetoableChangeListener.java:33: Note:
>> Candidate functional interface
>> public interface VetoableChangeListener extends 
>> java.util.EventListener {
>> ^
>> jdk/src/share/classes/java/beans/ExceptionListener.java:34: Note:
>> Candidate functional interface
>> public interface ExceptionListener {
>> ^
>> jdk/src/share/classes/java/beans/beancontext/BeanContextServiceRevokedListener.java:37: 
>>
>> Note: Candidate functional interface
>> public interface BeanContextServiceRevokedListener extends 
>> EventListener {
>> ^
>> jdk/src/share/classes/java/beans/beancontext/BeanContextProxy.java:76:
>> Note: Candidate functional interface
>> public interface BeanContextProxy {
>> ^
>> jdk/src/share/classes/java/beans/beancontext/BeanContextContainerProxy.java:43: 
>>
>> Note: Candidate functional interface
>> public interface BeanContextContainerProxy {
>> ^
>> jdk/src/share/classes/java/beans/beancontext/BeanContextChildComponentProxy.java:44: 
>>
>> Note: Candidate functional interface
>> public interface BeanContextChildComponentProxy {
>> ^
>> networking
>> ==========
>>
>> jdk/src/share/classes/java/net/ContentHandlerFactory.java:41: Note:
>> Candidate functional interface
>> public interface ContentHandlerFactory {
>> ^
>> jdk/src/share/classes/java/net/HttpCookie.java:855: Note: Candidate
>> functional interface
>> static interface CookieAttributeAssignor {
>> ^
>> jdk/src/share/classes/java/net/SocketImplFactory.java:40: Note:
>> Candidate functional interface
>> interface SocketImplFactory {
>> ^
>> jdk/src/share/classes/java/net/CookiePolicy.java:38: Note: Candidate
>> functional interface
>> public interface CookiePolicy {
>> ^
>> jdk/src/share/classes/java/net/URLStreamHandlerFactory.java:40: Note:
>> Candidate functional interface
>> public interface URLStreamHandlerFactory {
>> ^
>> jdk/src/share/classes/java/net/DatagramSocketImplFactory.java:38: Note:
>> Candidate functional interface
>> interface DatagramSocketImplFactory {
>> ^
>> jdk/src/share/classes/java/net/FileNameMap.java:35: Note: Candidate
>> functional interface
>> public interface FileNameMap {
>> ^
>> jdk/src/share/classes/java/net/ProtocolFamily.java:34: Note: Candidate
>> functional interface
>> public interface ProtocolFamily {
>> ^
>> jdk/src/share/classes/javax/net/ssl/HostnameVerifier.java:46: Note:
>> Candidate functional interface
>> public interface HostnameVerifier {
>> ^
>> jdk/src/share/classes/javax/net/ssl/HandshakeCompletedListener.java:44:
>> Note: Candidate functional interface
>> public interface HandshakeCompletedListener extends EventListener
>> ^
>> jmx/management
>> ================
>>
>> jdk/src/share/classes/java/lang/management/PlatformManagedObject.java:52: 
>> Note:
>> Candidate functional interface
>> public interface PlatformManagedObject {
>> ^
>> jdk/src/share/classes/java/lang/management/PlatformComponent.java:279:
>> Note: Candidate functional interface
>> interface MXBeanFetcher<T extends PlatformManagedObject> {
>> ^
>> jdk/src/share/classes/java/lang/instrument/ClassFileTransformer.java:50:
>> Note: Candidate functional interface
>> public interface ClassFileTransformer {
>> ^
>> jdk/src/share/classes/javax/management/openmbean/CompositeDataView.java:109: 
>>
>> Note: Candidate functional interface
>> public interface CompositeDataView {
>> ^
>> jdk/src/share/classes/javax/management/NotificationFilter.java:35: Note:
>> Candidate functional interface
>> public interface NotificationFilter extends java.io.Serializable {
>> ^
>> jdk/src/share/classes/javax/management/remote/JMXAddressable.java:44:
>> Note: Candidate functional interface
>> public interface JMXAddressable {
>> ^
>> jdk/src/share/classes/javax/management/remote/JMXAuthenticator.java:52:
>> Note: Candidate functional interface
>> public interface JMXAuthenticator {
>> ^
>> jdk/src/share/classes/javax/management/remote/JMXConnectorServerProvider.java:42: 
>>
>> Note: Candidate functional interface
>> public interface JMXConnectorServerProvider {
>> ^
>> jdk/src/share/classes/javax/management/remote/JMXConnectorProvider.java:41: 
>>
>> Note: Candidate functional interface
>> public interface JMXConnectorProvider {
>> ^
>> jdk/src/share/classes/javax/management/NotificationListener.java:34:
>> Note: Candidate functional interface
>> public interface NotificationListener extends java.util.EventListener {
>> ^
>> jdk/src/share/classes/javax/management/DescriptorRead.java:33: Note:
>> Candidate functional interface
>> public interface DescriptorRead {
>> ^
>> concurrent - Assume this will be done first upstream in Doug's repos
>> ============
>>
>> jdk/src/share/classes/java/util/concurrent/ThreadFactory.java:58: Note:
>> Candidate functional interface
>> public interface ThreadFactory {
>> ^
>> jdk/src/share/classes/java/util/concurrent/ForkJoinPool.java:545: Note:
>> Candidate functional interface
>> public static interface ForkJoinWorkerThreadFactory {
>> ^
>> jdk/src/share/classes/java/util/concurrent/RejectedExecutionHandler.java:44: 
>>
>> Note: Candidate functional interface
>> public interface RejectedExecutionHandler {
>> ^
>> jdk/src/share/classes/java/util/concurrent/Callable.java:57: Note:
>> Candidate functional interface
>> public interface Callable<V> {
>> ^
>> jdk/src/share/classes/java/util/concurrent/Executor.java:128: Note:
>> Candidate functional interface
>> public interface Executor {
>>