org.apache.cassandra.concurrent

Interface ExecutorLocal<T>

All Known Implementing Classes:

ClientWarn, Tracing

public interface ExecutorLocal<T>

Field Summary

Fields

Modifier and Type	Field and Description
static ExecutorLocal[]	all

Method Summary

Modifier and Type	Method and Description
T	get() This is called when scheduling the task, and also before calling ExecutorLocal#set(T) when running on a executor thread.
void	set(T value) Before a task has been run, this will be called with the value from the thread that scheduled the task, and after the task is finished, the value that was previously retrieved from this thread is restored.

Field Detail

all

static final ExecutorLocal[] all

Method Detail

get

T get()

This is called when scheduling the task, and also before calling ExecutorLocal#set(T) when running on a executor thread.

Returns:

The thread-local value that we want to copy across executor boundaries; may be null if not set.

set

void set(T value)

Before a task has been run, this will be called with the value from the thread that scheduled the task, and after the task is finished, the value that was previously retrieved from this thread is restored.

Parameters:

value - Value to use for the executor local state; may be null.