support graalvm issue #386

alibaba · Jun 1, 2022 · 667ff49 · 667ff49
1 parent 5d1191b
commit 667ff49
Showing 1 changed file with 21 additions and 1 deletion.
diff --git a/core/src/main/java/com/alibaba/fastjson2/JSONPath.java b/core/src/main/java/com/alibaba/fastjson2/JSONPath.java
@@ -4671,7 +4671,7 @@ static final class RandomIndexSegment
  extends Segment {
  public static final RandomIndexSegment INSTANCE = new RandomIndexSegment();
 
- Random random = new Random();
+ Random random;
 
  @Override
  public void accept(JSONReader jsonReader, Context context) {
@@ -4692,6 +4692,11 @@ public void accept(JSONReader jsonReader, Context context) {
  }
  }
 
+ // lazy init for graalvm
+ if (random == null) {
+ random = new Random();
+ }
+
  int index = Math.abs(random.nextInt()) % array.size();
  context.value = array.get(index);
  context.eval = true;
@@ -4749,6 +4754,11 @@ public void accept(JSONReader jsonReader, Context context) {
  array.add(val);
  }
 
+ // lazy init for graalvm
+ if (random == null) {
+ random = new Random();
+ }
+
  int index = Math.abs(random.nextInt()) % array.size();
  context.value = array.get(index);
  context.eval = true;
@@ -4766,6 +4776,11 @@ public void eval(Context context) {
  return;
  }
 
+ // lazy init for graalvm
+ if (random == null) {
+ random = new Random();
+ }
+
  int randomIndex = Math.abs(random.nextInt()) % list.size();
  context.value = list.get(randomIndex);
  context.eval = true;
@@ -4778,6 +4793,11 @@ public void eval(Context context) {
  return;
  }
 
+ // lazy init for graalvm
+ if (random == null) {
+ random = new Random();
+ }
+
  int randomIndex = random.nextInt() % array.length;
  context.value = array[randomIndex];
  context.eval = true;