Statements (456)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Java_2_Platform
gptkb:JEP |
| gptkbp:addresses |
API usability
thread stack management |
| gptkbp:aims_to |
improve observability
reduce pause times during garbage collection simplify API usage simplify type checks and casts |
| gptkbp:allows |
custom event types
|
| gptkbp:api |
Introduces new classes and methods.
|
| gptkbp:approves |
December 2019
JDK Release Committee |
| gptkbp:author |
gptkb:Brian_Goetz
gptkb:Alex_Buckley gptkb:Mark_Reinhold Gavin Bierman JDK Release Team Jeppe Cramon. Jérôme Lacoste |
| gptkbp:benefits |
Improved performance.
None identified. Achieved. developers and operators Enhanced performance. Considered a success. Performance improvements. Improved performance on mac OS. Improves performance of constant pool. Outcomes evaluated. |
| gptkbp:budget |
Budget allocated.
|
| gptkbp:cause |
Java EE and CORBA are no longer widely used.
|
| gptkbp:challenges |
Complexity in implementation.
None significant. Challenges documented. |
| gptkbp:collaborative_projects |
Collaborative effort.
Collaboration encouraged. |
| gptkbp:community_feedback |
Positive.
Positive feedback from the Java community. |
| gptkbp:community_involvement |
Active community participation.
Active community discussions. |
| gptkbp:community_support |
Strong community support.
|
| gptkbp:compatibility |
Maintains backward compatibility with existing Java code.
Backward compatible with existing reflection. Maintains backward compatibility. |
| gptkbp:concluded_on |
Deprecation is a step towards removal.
|
| gptkbp:conformance |
Conforms to Java SE specifications.
Conforms to Java SE 12. Conforms to the Java SE platform. |
| gptkbp:consequences |
Existing reflection code may need to be reviewed.
|
| gptkbp:contributes_to |
gptkb:Java_ecosystem
observability tools |
| gptkbp:contribution |
Contributed by multiple developers.
Contributes to the evolution of Java. |
| gptkbp:created |
2019-09-17
|
| gptkbp:date_finalized |
2019-09-17
|
| gptkbp:dependency |
None.
Requires JDK 17 or later. |
| gptkbp:describes |
ZGC: Concurrent Thread-Stack Processing
JDK 14 Support for the Java SE 14 API |
| gptkbp:description |
This JEP proposes the removal of the Java EE and CORBA modules from the JDK.
Introduces a new rendering pipeline for mac OS. Provides an API for safely accessing foreign memory outside of the Java heap. Describes the release process for JDK 14. Introduces dynamic constants in class files. Reimplement the core reflection APIs in the Java platform. |
| gptkbp:design |
Simplicity and efficiency.
|
| gptkbp:developed_by |
gptkb:Open_JDK_community
|
| gptkbp:development |
Java development team.
|
| gptkbp:discusses |
October 2019
JDK mailing lists Open JDK mailing lists Open JDK mailing lists. https://openjdk.java.net/jeps/383 https://mail.openjdk.java.net/pipermail/jdk-dev/2020-January/003123.html |
| gptkbp:effective_date |
2021-08-01
|
| gptkbp:enables |
real-time analysis of application performance
|
| gptkbp:end_date |
March 2020
March 2021. |
| gptkbp:enhances |
gptkb:Java_programming_language
monitoring capabilities type inference thread-stack processing |
| gptkbp:error_handling |
Improved error messages.
Provides mechanisms for error handling in memory operations. |
| gptkbp:evaluates |
Performance benchmarks available.
|
| gptkbp:example |
Code examples provided in the documentation.
Interfacing with native libraries. Used in lambda expressions. |
| gptkbp:facilitates |
performance tuning
|
| gptkbp:feature |
gptkb:Memory_Layout
gptkb:Memory_Segment Memory Access Resource Scope Var Handle for foreign memory. |
| gptkbp:feedback |
Community-driven feedback process.
|
| gptkbp:feedback_mechanism |
Open JDK mailing lists.
Open feedback channels. |
| gptkbp:focuses_on |
API enhancements
|
| gptkbp:funding |
Funded by Oracle.
|
| gptkbp:future_plans |
Monitor usage.
Further enhancements planned for future JDK releases. |
| gptkbp:future_prospects |
Further enhancements to the API.
Monitor performance. Further enhancements to dynamic constants. Potential enhancements for additional memory management features. Complete removal in future JDK. |
| gptkbp:goal |
Streamline the JDK release process.
Enable better performance tuning. Encourage adoption of foreign memory access. Enhance safety in memory operations. Facilitate migration from JNI. Improve performance of native interop. Provide a foundation for future enhancements. Provide a more ergonomic API. Reduce complexity of native memory access. Support for multi-threaded access. Support for structured memory access. |
| gptkbp:has_community |
Open JDK mailing list.
|
| gptkbp:has_documentation |
Comprehensive documentation provided.
Updated in JDK 17. https://openjdk.java.net/jeps/383 |
| gptkbp:has_goal |
Reduce reflection overhead.
|
| gptkbp:has_version |
Version history maintained.
|
| gptkbp:historical_achievement |
Final approval.
Milestones tracked. |
| https://www.w3.org/2000/01/rdf-schema#label |
JEP 383
|
| gptkbp:impact |
Enhances developer experience.
Minimal. Impact assessed. Enables better performance for applications that require native memory access. Applications using Java EE and CORBA will need to migrate. Positive on Java performance. Improves performance for applications that require native memory access. Graphics rendering in Java applications. Improved predictability of JDK releases. Changes to the Java Language Specification. Identified project risks. JMX functionality will be removed Removes legacy modules from the JDK. Core reflection APIs will be more efficient. |
| gptkbp:impact_on_interoperability |
Enhances interoperability with native libraries.
|
| gptkbp:implementation_cost |
gptkb:medium
|
| gptkbp:improves |
application performance
code readability developer productivity diagnostic capabilities |
| gptkbp:includes |
performance benchmarks
new language features |
| gptkbp:influenced_by |
gptkb:JEP_391
gptkb:JEP_392 gptkb:JEP_393 gptkb:JEP_260 |
| gptkbp:innovation |
Innovative approach.
Innovative features introduced. |
| gptkbp:introduced_in |
gptkb:Java_14
gptkb:JDK_14 |
| gptkbp:investment |
gptkb:Low
|
| gptkbp:involved_technology |
gptkb:API
gptkb:JNI_(Java_Native_Interface) Java Virtual Machine. Memory-mapped files. Java NIO (New Input/ Output) Direct Byte Buffers. Unsafe API. |
| gptkbp:is_a_technical_specification_for |
Java SE 14 API
|
| gptkbp:is_adopted_by |
gptkb:Java_15
enterprise applications cloud-native applications open-source projects software projects large-scale systems High. Widely adopted. Used in various frameworks. Adopted by several major frameworks. Increasing adoption in enterprise applications. |
| gptkbp:is_analyzed_in |
software engineers
technical articles |
| gptkbp:is_associated_with |
gptkb:Java_Development_Kit_(JDK)
|
| gptkbp:is_beneficial_for |
system administrators
|
| gptkbp:is_cited_in |
gptkb:Documentation
academic papers Java programming literature |
| gptkbp:is_compatible_with |
Java applications
JFR tools |
| gptkbp:is_considered |
future Java versions
|
| gptkbp:is_considered_as |
a key feature
a significant update a significant improvement a language enhancement a major improvement |
| gptkbp:is_described_as |
technical papers
Java documentation |
| gptkbp:is_discussed_in |
gptkb:Java_conferences
Java user groups developer communities Java community forums Java forums |
| gptkbp:is_documented_in |
gptkb:Open_JDK
Java documentation Open JDK documentation JEP repository JEP 383 documentation |
| gptkbp:is_evaluated_by |
gptkb:developers
Java developers software engineers programming communities software architects |
| gptkbp:is_expected_to |
improve performance
|
| gptkbp:is_explored_in |
research papers
|
| gptkbp:is_focused_on |
memory efficiency
|
| gptkbp:is_implemented_in |
gptkb:Java_programming_language
gptkb:Java_SE_12 gptkb:JDK_14 gptkb:Java_Development_Kit_(JDK) gptkb:Java_libraries gptkb:Open_JDK Java runtime environment None significant. Completed. Implemented in the JDK. JDK Release Team Open JDK. Rewritten in Java. Requires JVM changes. Detailed implementation guide. Implemented in the Java standard library. JFR API |
| gptkbp:is_influenced_by |
developer feedback
previous instanceof patterns previous JEPs |
| gptkbp:is_integrated_with |
gptkb:cloud_services
monitoring systems Java monitoring tools |
| gptkbp:is_motivated_by |
To improve performance and interoperability with native code.
Reduce the size of the JDK To reduce the size of the JDK. Improve performance and maintainability of reflection. |
| gptkbp:is_part_of |
gptkb:Java_SE_Platform
gptkb:Java_2_Platform gptkb:Java_SE_platform gptkb:Java_SE_14 Java language evolution Java language features Java performance enhancements Java 14 features |
| gptkbp:is_promoted_by |
gptkb:Oracle
|
| gptkbp:is_promoted_through |
gptkb:Java_conferences
|
| gptkbp:is_recommended_for |
performance monitoring
|
| gptkbp:is_related_to |
gptkb:JEP_411
gptkb:JEP_334 gptkb:JEP_370 gptkb:JEP_384 gptkb:JEP_385 gptkb:JEP_386 gptkb:JEP_387 gptkb:JEP_394 gptkb:JEP_305 |
| gptkbp:is_relevant_to |
Java developers
|
| gptkbp:is_reviewed_by |
gptkb:Java_Community_Process
gptkb:Java_community industry professionals Java experts software architects Approved. |
| gptkbp:is_supported_by |
gptkb:Java_frameworks
gptkb:Java_SE_14 gptkb:multiple_platforms gptkb:Java_Development_Kit_(JDK) gptkb:Java_community gptkb:JVM Java IDEs Java community forums |
| gptkbp:is_targeted_at |
Java developers
|
| gptkbp:is_tested_for |
real-world scenarios
Java applications development environments production environments Java development environments Extensively tested. Java test suites Extensive testing needed. |
| gptkbp:is_used_in |
gptkb:Java_programming_language
production environments |
| gptkbp:is_utilized_by |
performance engineers
|
| gptkbp:is_utilized_for |
event-driven architectures
|
| gptkbp:is_visible_from |
High visibility.
Visibility increased. |
| gptkbp:issue_link |
https://bugs.openjdk.java.net/browse/ JDK-8221210
|
| gptkbp:issues |
JDK-8251234
|
| gptkbp:key_feature |
Resource management
Access to native memory without JNI. Memory access methods Memory access without the need for JNI. Memory segments Safety and performance guarantees Support for memory allocation and deallocation. Direct access to memory regions. Integration with the Java garbage collector. Support for memory access in a safe manner. Support for memory access with different layouts. Support for memory access with safety checks. Dynamic constant resolution. |
| gptkbp:latest_version |
1.0
|
| gptkbp:legacy |
Legacy established.
Long-term impact on Java. |
| gptkbp:library |
Libraries may benefit from performance gains.
|
| gptkbp:notable_contributor |
gptkb:John_Doe
|
| gptkbp:notable_production |
Simplifies development of native integrations.
|
| gptkbp:notable_release |
March 2020
2019-03-01 |
| gptkbp:outcome |
Improved performance and usability.
|
| gptkbp:performance |
Significant improvements.
Reduces class loading time. Reduces overhead in memory access. Significantly improves memory access speed. |
| gptkbp:plot_summary |
Provides a mechanism for Java programs to safely and efficiently access foreign memory.
This JEP proposes to deprecate the Java EE and CORBA modules for removal in a future release. This JEP proposes to reimplement the core reflection APIs. |
| gptkbp:previous_jep |
gptkb:JEP_12
|
| gptkbp:project |
gptkb:Project_Panama
gptkb:Project_Loom gptkb:Project_Valhalla Project Amber Future developments planned. Recognized in the community. Completed in 2021. Project Loom. Project Panama. Continued enhancements. Improve core reflection. Managed by Open JDK. Enhance Java language features. Deliverables outlined. Timeline documented. Updated reflection APIs. |
| gptkbp:project_learnings |
Learnings captured.
|
| gptkbp:proposed_by |
gptkb:Pattern_Matching_for_instanceof
gptkb:Brian_Goetz gptkb:Oracle gptkb:JDK_12 gptkb:Mark_Reinhold Foreign-Memory Access API Working Group Gavin Bierman Java engineers improvements to garbage collection Java SE 14 features Remove the Java Management Extensions (JMX) Modules |
| gptkbp:provides |
backward compatibility
streaming of JFR events new syntax for instanceof checks |
| gptkbp:provides_access_to |
JFR data streams
|
| gptkbp:published_by |
JDK Enhancement-Proposal repository
Java enhancement proposal archives Java technical blogs |
| gptkbp:purpose |
Provide a mechanism to safely access foreign memory outside of the Java heap.
|
| gptkbp:reduces |
boilerplate code
|
| gptkbp:related_concept |
Java SE standards.
Java SE. |
| gptkbp:related_jeps |
gptkb:JEP_411
gptkb:JEP_384 gptkb:JEP_392 gptkb:JEP_394 gptkb:JEP_12 gptkb:JEP_291 gptkb:JEP_320 |
| gptkbp:related_to |
gptkb:JEP_411
gptkb:JEP_384 gptkb:JEP_392 gptkb:JEP_394 gptkb:Java_SE_14 gptkb:Java_FX gptkb:JEP_412 |
| gptkbp:release_date |
gptkb:2020
March 2020 September 2021 |
| gptkbp:release_notes |
Included in JDK 17 release notes.
Included in JDK 12 release notes. |
| gptkbp:released |
gptkb:JDK_17
gptkb:Java_SE_11 gptkb:Java_SE_14 |
| gptkbp:requires |
JDK 14 or later
|
| gptkbp:reviews |
gptkb:Jérôme_Dochez
gptkb:Alan_Bateman gptkb:Brian_Goetz gptkb:Alex_Buckley gptkb:Mark_Reinhold 2021-06-01 Peer-reviewed. JDK Release Team Various members of the Open JDK community. Jérôme Lacoste https://mail.openjdk.java.net/pipermail/jdk-dev/2019-October/002123.html |
| gptkbp:scope |
Defined project scope.
Core reflection APIs. |
| gptkbp:security |
None.
No new security risks. Includes security checks for memory access. Improves security in memory operations. |
| gptkbp:sister_channel |
Community support available.
|
| gptkbp:specification |
Java SE 12 Specification.
Defines the API for foreign memory access. |
| gptkbp:specifies |
gptkb:Java_Flight_Recorder
|
| gptkbp:stakeholders |
Stakeholders identified.
Engaged with stakeholders. Java community. |
| gptkbp:status |
gptkb:Flamethrower
gptkb:Final Standard Feature |
| gptkbp:strategic_importance |
High for Java ecosystem.
|
| gptkbp:success_rate |
Performance benchmarks.
Measured success post-implementation. |
| gptkbp:successor |
gptkb:JEP_394
|
| gptkbp:support |
Supported by Oracle.
|
| gptkbp:supports |
event filtering
|
| gptkbp:sustainability_efforts |
Sustainable.
Sustainability considered. |
| gptkbp:target_audience |
Java developers
Java developers. |
| gptkbp:target_jdk |
gptkb:JDK_17
gptkb:14 gptkb:JDK_11 gptkb:JDK_12 gptkb:JDK_14 gptkb:JDK_16 |
| gptkbp:title |
gptkb:Foreign-Memory_Access_API_(incubator)
gptkb:JFR_Event_Streaming gptkb:New_mac_OS_Rendering_Pipeline Dynamic Class-File Constants Foreign-Memory Access API Remove the Java EE and CORBA Modules Reimplement Core Reflection JDK 14 Release Process Deprecate the Java EE and CORBA Modules for Removal |
| gptkbp:training_programs |
Training materials provided.
|
| gptkbp:tutorials |
Available tutorials for developers.
|
| gptkbp:type |
Technical
|
| gptkbp:updates |
2020-03-17
Planned for future JDK releases. Planned for JDK 13. |
| gptkbp:usage |
Used in many Java applications.
Used in high-performance computing applications. Used in applications requiring direct memory manipulation. |
| gptkbp:use_case |
Dynamic language features.
|
| gptkbp:user_base |
Java developers.
|
| gptkbp:user_feedback |
Generally positive.
Collected user feedback. |
| gptkbp:user_manual |
User guide available.
|
| gptkbp:vision |
Enhance Java reflection.
|
| gptkbp:wildlife |
Broadens the Java ecosystem capabilities.
|
| gptkbp:bfsParent |
gptkb:Java_Compiler_(javac)
gptkb:JEP_33 gptkb:JDK_10 gptkb:JDK_14 gptkb:Java_10 |
| gptkbp:bfsLayer |
5
|