perf: Reuse a single JsonProvider.

This speeds up the formatter significantly.

Before:

    Benchmark                                         Mode  Cnt     Score      Error  Units
    FormatterBenchmark.massivelyStructuredLogRecord  thrpt   10  6552.727 ± 2169.572  ops/s
    FormatterBenchmark.simpleLogRecord               thrpt   10  8126.699 ± 2259.912  ops/s
    FormatterBenchmark.structuredLogRecord           thrpt   10  5594.849 ± 1129.151  ops/s

After:

    Benchmark                                         Mode  Cnt       Score        Error  Units
    FormatterBenchmark.massivelyStructuredLogRecord  thrpt   10  137879.001 ±  30467.644  ops/s
    FormatterBenchmark.simpleLogRecord               thrpt   10  896085.217 ± 249890.421  ops/s
    FormatterBenchmark.structuredLogRecord           thrpt   10  553428.807 ± 194787.754  ops/s

Change-Id: If184327a4ff0de0d92b769493dbf6270ba3a8c8e

1 files changed, 6 insertions, 4 deletions

diff --git a/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java b/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java
index b755230..6d40b15 100644
--- a/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java
+++ b/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java
@@ -2,7 +2,7 @@ package eu.mulk.quarkus.googlecloud.jsonlogging;
 
 import static org.junit.jupiter.api.Assertions.assertLinesMatch;
 
-import jakarta.json.Json;
+import jakarta.json.spi.JsonProvider;
 import java.util.Collection;
 import java.util.List;
 import org.jboss.logmanager.ExtLogRecord;
@@ -11,6 +11,8 @@ import org.junit.jupiter.api.Test;
 
 class FormatterTest {
 
+  private static final JsonProvider JSON = JsonProvider.provider();
+
   @Test
   void simpleRecord() {
     var logRecord = makeSimpleRecord();
@@ -43,7 +45,7 @@ class FormatterTest {
         new StructuredParameterProvider() {
           @Override
           public StructuredParameter getParameter() {
-            var b = Json.createObjectBuilder();
+            var b = JSON.createObjectBuilder();
             b.add("traceId", "39f9a49a9567a8bd7087b708f8932550");
             b.add("spanId", "c7431b14630b633d");
             return () -> b;
@@ -88,7 +90,7 @@ class FormatterTest {
     logRecord.setParameters(
         new Object[] {
           (StructuredParameter)
-              () -> Json.createObjectBuilder().add("one", 1).add("two", 2.0).add("yes", true),
+              () -> JSON.createObjectBuilder().add("one", 1).add("two", 2.0).add("yes", true),
           Label.of("a", "b")
         });
     return logRecord;
@@ -128,7 +130,7 @@ class FormatterTest {
         new Object[] {
           (StructuredParameter)
               () -> {
-                var b = Json.createObjectBuilder();
+                var b = JSON.createObjectBuilder();
                 for (int i = 0; i < 10; i++) {
                   b.add("int-" + i, i);
                 }