Class StructuredConcurrencySixthPreviewExamples

java.lang.Object

net.jrodolfo.java_evolution.java26.structured_concurrency.StructuredConcurrencySixthPreviewExamples

public class StructuredConcurrencySixthPreviewExamples
extends Object

Demonstrates the sixth preview of Structured Concurrency from JEP 525.

The preview API is exercised in an isolated child JVM. The generated probe uses structured scopes for deterministic success and failure workflows, keeping preview flags out of the main Maven build.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	StructuredConcurrencySixthPreviewExamples.CommandResult	Result from one child process invocation.
static final record	StructuredConcurrencySixthPreviewExamples.StructuredConcurrencyWorkflowResult	Result from compiling and running the generated preview source.

Constructor Summary

Constructors

Constructor	Description
StructuredConcurrencySixthPreviewExamples()

Method Summary

Modifier and Type	Method	Description
String	idea()	Explains the structured-concurrency idea.
String	previewBoundary()	Explains why the preview API runs in a child process.
String	probeSource()	Source used by the child JVM to exercise the preview API.
String	problem()	Explains the concurrency problem.
StructuredConcurrencySixthPreviewExamples.StructuredConcurrencyWorkflowResult	runStructuredConcurrencyWorkflow(Path workspace)	Runs the Java 26 preview Structured Concurrency workflow.
String	status()	Describes the Java 26 maturity level.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StructuredConcurrencySixthPreviewExamples

public StructuredConcurrencySixthPreviewExamples()

Method Details

runStructuredConcurrencyWorkflow

public StructuredConcurrencySixthPreviewExamples.StructuredConcurrencyWorkflowResult runStructuredConcurrencyWorkflow(Path workspace)
                                                                                                               throws IOException,
InterruptedException

Runs the Java 26 preview Structured Concurrency workflow.

Parameters:

workspace - temporary directory for generated source and classes

Returns:

result containing compilation and execution output

Throws:

IOException - when the source file cannot be written

InterruptedException - when waiting for a child process is interrupted

probeSource

public String probeSource()

Source used by the child JVM to exercise the preview API.

Returns:

generated Java source

problem

public String problem()

Explains the concurrency problem.

Returns:

a short problem statement

idea

public String idea()

Explains the structured-concurrency idea.

Returns:

a short feature explanation

status

public String status()

Describes the Java 26 maturity level.

Returns:

a short status note

previewBoundary

public String previewBoundary()

Explains why the preview API runs in a child process.

Returns:

the preview boundary