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8255013: implement Record Classes as a standard feature in Java, follow-up

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Co-authored-by: Vicente Romero <vromero@openjdk.org>
Co-authored-by: Harold Seigel <hseigel@openjdk.org>
Co-authored-by: Chris Hegarty <chegar@openjdk.org>
Reviewed-by: jlahoda
This commit is contained in:
Vicente Romero 2020-10-28 17:18:46 +00:00
parent 0425889885
commit 8bde2f4e3d
109 changed files with 294 additions and 822 deletions
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23
src/java.base/share/classes/java/lang/Class.java
View file

@ -2338,13 +2338,6 @@ public final class Class<T> implements java.io.Serializable,
}
/**
* {@preview Associated with records, a preview feature of the Java language.
*
* This method is associated with <i>records</i>, a preview
* feature of the Java language. Preview features
* may be removed in a future release, or upgraded to permanent
* features of the Java language.}
*
* Returns an array of {@code RecordComponent} objects representing all the
* record components of this record class, or {@code null} if this class is
* not a record class.
@ -2381,11 +2374,8 @@ public final class Class<T> implements java.io.Serializable,
* </ul>
*
* @jls 8.10 Record Types
* @since 14
* @since 16
*/
@jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS,
essentialAPI=false)
@SuppressWarnings("preview")
@CallerSensitive
public RecordComponent[] getRecordComponents() {
SecurityManager sm = System.getSecurityManager();
@ -3682,13 +3672,6 @@ public final class Class<T> implements java.io.Serializable,
}
/**
* {@preview Associated with records, a preview feature of the Java language.
*
* This method is associated with <i>records</i>, a preview
* feature of the Java language. Preview features
* may be removed in a future release, or upgraded to permanent
* features of the Java language.}
*
* Returns {@code true} if and only if this class is a record class.
*
* <p> The {@linkplain #getSuperclass() direct superclass} of a record
@ -3701,10 +3684,8 @@ public final class Class<T> implements java.io.Serializable,
*
* @return true if and only if this class is a record class, otherwise false
* @jls 8.10 Record Types
* @since 14
* @since 16
*/
@jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS,
essentialAPI=false)
public boolean isRecord() {
return getSuperclass() == JAVA_LANG_RECORD_CLASS && isRecord0();
}

12
src/java.base/share/classes/java/lang/Record.java
View file

@ -25,14 +25,6 @@
package java.lang;
/**
* {@preview Associated with records, a preview feature of the Java language.
*
* This class is associated with <i>records</i>, a preview
* feature of the Java language. Programs can only use this
* class when preview features are enabled. Preview features
* may be removed in a future release, or upgraded to permanent
* features of the Java language.}
*
* This is the common base class of all Java language record classes.
*
* <p>More information about records, including descriptions of the
@ -86,10 +78,8 @@ package java.lang;
* <a href="{@docRoot}/java.base/java/io/ObjectInputStream.html#record-serialization">record serialization</a>.
*
* @jls 8.10 Record Types
* @since 14
* @since 16
*/
@jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS,
essentialAPI=true)
public abstract class Record {
/**
* Constructor for record classes to call.

12
src/java.base/share/classes/java/lang/annotation/ElementType.java
View file

@ -118,22 +118,12 @@ public enum ElementType {
MODULE,
/**
* {@preview Associated with records, a preview feature of the Java language.
*
* This constant is associated with <i>records</i>, a preview
* feature of the Java language. Programs can only use this
* constant when preview features are enabled. Preview features
* may be removed in a future release, or upgraded to permanent
* features of the Java language.}
*
* Record component
*
* @jls 8.10.3 Record Members
* @jls 9.7.4 Where Annotations May Appear
*
* @since 14
* @since 16
*/
@jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS,
essentialAPI=true)
RECORD_COMPONENT;
}

11
src/java.base/share/classes/java/lang/reflect/RecordComponent.java
View file

@ -38,23 +38,14 @@ import java.util.Map;
import java.util.Objects;
/**
* {@preview Associated with records, a preview feature of the Java language.
*
* This class is associated with <i>records</i>, a preview
* feature of the Java language. Preview features
* may be removed in a future release, or upgraded to permanent
* features of the Java language.}
*
* A {@code RecordComponent} provides information about, and dynamic access to, a
* component of a record class.
*
* @see Class#getRecordComponents()
* @see java.lang.Record
* @jls 8.10 Record Types
* @since 14
* @since 16
*/
@jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS,
essentialAPI=false)
public final class RecordComponent implements AnnotatedElement {
// declaring class
private Class<?> clazz;

11
src/java.base/share/classes/java/lang/runtime/ObjectMethods.java
View file

@ -38,23 +38,14 @@ import java.util.List;
import java.util.Objects;
/**
* {@preview Associated with records, a preview feature of the Java language.
*
* This class is associated with <i>records</i>, a preview
* feature of the Java language. Preview features
* may be removed in a future release, or upgraded to permanent
* features of the Java language.}
*
* Bootstrap methods for state-driven implementations of core methods,
* including {@link Object#equals(Object)}, {@link Object#hashCode()}, and
* {@link Object#toString()}. These methods may be used, for example, by
* Java compiler implementations to implement the bodies of {@link Object}
* methods for record classes.
*
* @since 14
* @since 16
*/
@jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS,
essentialAPI=false)
public class ObjectMethods {
private ObjectMethods() { }