public class InheritableThreadLocal<T> extends ThreadLocal<T>
Inheritable thread-local variables are used in preference to ordinary thread-local variables when the per-thread-attribute being maintained in the variable (e.g., User ID, Transaction ID) must be automatically transmitted to any child threads that are created.
ThreadLocal
Constructor and Description |
---|
InheritableThreadLocal() |
Modifier and Type | Method and Description |
---|---|
protected T |
childValue(T parentValue)
Computes the child's initial value for this inheritable thread-local
variable as a function of the parent's value at the time the child
thread is created.
|
get, initialValue, remove, set
protected T childValue(T parentValue)
This method merely returns its input argument, and should be overridden if a different behavior is desired.
parentValue
- the parent thread's value Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2020, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.
Scripting on this page tracks web page traffic, but does not change the content in any way.