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hongze pushed a commit to branch main
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The following commit(s) were added to refs/heads/main by this push:
new 82c5a7edd3 [GLUTEN-7400][CORE] Scala code style clean up for
Backend.scala
82c5a7edd3 is described below
commit 82c5a7edd363e7deb2edd1c404713ea83e32adcf
Author: Jiaan Geng <[email protected]>
AuthorDate: Wed Oct 9 10:05:46 2024 +0800
[GLUTEN-7400][CORE] Scala code style clean up for Backend.scala
---
.../scala/org/apache/gluten/backend/Backend.scala | 24 +++++++++++-----------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/gluten-core/src/main/scala/org/apache/gluten/backend/Backend.scala
b/gluten-core/src/main/scala/org/apache/gluten/backend/Backend.scala
index 1b9175d6b0..ef22d97e77 100644
--- a/gluten-core/src/main/scala/org/apache/gluten/backend/Backend.scala
+++ b/gluten-core/src/main/scala/org/apache/gluten/backend/Backend.scala
@@ -55,23 +55,23 @@ trait Backend {
}
object Backend {
- private val be: Backend = {
+ private val backend: Backend = {
val discoveredBackends =
-
JavaConverters.iterableAsScalaIterable(ServiceLoader.load(classOf[Backend])).toSeq
- if (discoveredBackends.isEmpty) {
- throw new IllegalStateException("Backend implementation not discovered
from JVM classpath")
+
JavaConverters.iterableAsScalaIterable(ServiceLoader.load(classOf[Backend])).toList
+ discoveredBackends match {
+ case Nil =>
+ throw new IllegalStateException("Backend implementation not discovered
from JVM classpath")
+ case head :: Nil =>
+ head
+ case backends =>
+ val backendNames = backends.map(_.name())
+ throw new IllegalStateException(
+ s"More than one Backend implementation discovered from JVM
classpath: $backendNames")
}
- if (discoveredBackends.size != 1) {
- throw new IllegalStateException(
- s"More than one Backend implementation discovered from JVM classpath:
" +
- s"${discoveredBackends.map(_.name()).toList}")
- }
- val backend = discoveredBackends.head
- backend
}
def get(): Backend = {
- be
+ backend
}
case class BuildInfo(name: String, branch: String, revision: String,
revisionTime: String)
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