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

Mike Duigou mike.duigou at oracle.com
Tue Feb 5 22:34:56 UTC 2013


Looks fine to me.

Mike 

On Feb 5 2013, at 14:16 , 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 {
> 




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