carterkozak commented on a change in pull request #284: LOG4J2-2639 - Allow
logging calls to be constructed using a builder pattern
URL: https://github.com/apache/logging-log4j2/pull/284#discussion_r296490927
##########
File path:
log4j-api/src/main/java/org/apache/logging/log4j/spi/AbstractLogger.java
##########
@@ -2734,4 +2748,108 @@ public void warn(final String message, final Object
p0, final Object p1, final O
final Object p7, final Object p8, final Object p9) {
logIfEnabled(FQCN, Level.WARN, null, message, p0, p1, p2, p3, p4, p5,
p6, p7, p8, p9);
}
+
+ /**
+ * Constuct a trace log event.
+ * @return a LogBuilder.
+ * @since 3.0
+ */
+ @Override
+ public LogBuilder atTrace() {
+ if (isTraceEnabled()) {
+ return logBuilder.get().setLevel(Level.TRACE);
Review comment:
I think we need something similar to `ReusableParameterizedMessage.reserved`
for this to work, otherwise we will clobber threadlocal state with something
like this:
```java
private void func() {
log.atInfo().withMessage("Value {}").withParameters(getValue()).log();
}
private Object getValue() {
log.atInfo().withMessage("Getting Value").log();
return value;
}
```
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