Use computeIfAbsent in SpelCompiler and AdvisedSupport

See gh-26028
2020-11-04 15:00:11 +08:00
parent 178cb429a8
commit cde476f90e
2 changed files with 3 additions and 13 deletions
--- a/spring-expression/src/main/java/org/springframework/expression/spel/standard/SpelCompiler.java
+++ b/spring-expression/src/main/java/org/springframework/expression/spel/standard/SpelCompiler.java
@@ -233,11 +233,7 @@ public final class SpelCompiler implements Opcodes {
 		if (compiler == null) {
 			// Full lock now since we're creating a child ClassLoader
 			synchronized (compilers) {
-				compiler = compilers.get(clToUse);
-				if (compiler == null) {
-					compiler = new SpelCompiler(clToUse);
-					compilers.put(clToUse, compiler);
-				}
+				return compilers.computeIfAbsent(clToUse, SpelCompiler::new);
 			}
 		}
 		return compiler;