Preview API

Show preview API for:

• 487: Scoped Values (Fourth Preview)
• 502: Stable Values (Preview)
• 505: Structured Concurrency (Fifth Preview)
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Contents

• Interfaces
• Classes
• Enum Classes
• Exception Classes

• Interfaces

  Interface

  Preview Feature

  Description

  java.lang.ScopedValue.CallableOp^PREVIEW

  Scoped Values

  An operation that returns a result and may throw an exception.

  java.lang.StableValue^PREVIEW

  Stable Values

  A stable value is a holder of contents that can be set at most once.

  java.util.concurrent.StructuredTaskScope^PREVIEW

  Structured Concurrency

  An API for structured concurrency.

  java.util.concurrent.StructuredTaskScope.Configuration^PREVIEW

  Structured Concurrency

  Represents the configuration for a StructuredTaskScope.

  java.util.concurrent.StructuredTaskScope.Joiner^PREVIEW

  Structured Concurrency

  An object used with a StructuredTaskScope^PREVIEW to handle subtask completion and produce the result for the scope owner waiting in the join^PREVIEW method for subtasks to complete.

  java.util.concurrent.StructuredTaskScope.Subtask^PREVIEW

  Structured Concurrency

  Represents a subtask forked with StructuredTaskScope.fork(Callable)^PREVIEW or StructuredTaskScope.fork(Runnable)^PREVIEW.

• Classes

  Class

  Preview Feature

  Description

  java.lang.ScopedValue^PREVIEW

  Scoped Values

  A value that may be safely and efficiently shared to methods without using method parameters.

  java.lang.ScopedValue.Carrier^PREVIEW

  Scoped Values

  A mapping of scoped values, as keys, to values.

• Enum Classes

  Enum Class

  Preview Feature

  Description

  java.util.concurrent.StructuredTaskScope.Subtask.State^PREVIEW

  Structured Concurrency

  Represents the state of a subtask.

• Exception Classes

  Exception Class

  Preview Feature

  Description

  java.util.concurrent.StructuredTaskScope.FailedException^PREVIEW

  Structured Concurrency

  Exception thrown by StructuredTaskScope.join()^PREVIEW when the outcome is an exception rather than a result.

  java.util.concurrent.StructuredTaskScope.TimeoutException^PREVIEW

  Structured Concurrency

  Exception thrown by StructuredTaskScope.join()^PREVIEW if the scope was created with a timeout and the timeout expired before or while waiting in join.

  java.util.concurrent.StructureViolationException^PREVIEW

  Structured Concurrency

  Thrown when a structure violation is detected.