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8257845: Integrate JEP 390

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8254047: [JEP 390] Revise "value-based class" & apply to wrappers
8252181: [JEP 390] Define & apply annotation jdk.internal.ValueBased
8252183: [JEP 390] Add 'lint' warning for @ValueBased classes
8257027: [JEP 390] Diagnose synchronization on @ValueBased classes
8252180: [JEP 390] Deprecate wrapper class constructors for removal

Co-authored-by: Roger Riggs <rriggs@openjdk.org>
Co-authored-by: Srikanth Adayapalam <sadayapalam@openjdk.org>
Co-authored-by: Lois Foltan <lfoltan@openjdk.org>
Reviewed-by: rriggs, hseigel, mchung, darcy
This commit is contained in:
Dan Smith 2020-12-08 23:04:01 +00:00
parent ed4c4ee73b
commit 48d8650ae1
113 changed files with 695 additions and 327 deletions
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13
src/java.base/share/classes/java/lang/ProcessHandle.java
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@ -81,16 +81,17 @@ import java.util.stream.Stream;
* <p>
* The {@code ProcessHandle} static factory methods return instances that are
* <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">value-based</a>,
* immutable and thread-safe.
* Use of identity-sensitive operations (including reference equality
* ({@code ==}), identity hash code, or synchronization) on these instances of
* {@code ProcessHandle} may have unpredictable results and should be avoided.
* Use {@link #equals(Object) equals} or
* {@link #compareTo(ProcessHandle) compareTo} methods to compare ProcessHandles.
* immutable and thread-safe. Programmers should treat instances that are
* {@linkplain #equals(Object) equal} as interchangeable and should not
* use instances for synchronization, or unpredictable behavior may occur.
* For example, in a future release, synchronization may fail.
* Use the {@code equals} or {@link #compareTo(ProcessHandle) compareTo} methods
* to compare ProcessHandles.
*
* @see Process
* @since 9
*/
@jdk.internal.ValueBased
public interface ProcessHandle extends Comparable<ProcessHandle> {
/**