jackye1995 commented on code in PR #4695:
URL: https://github.com/apache/iceberg/pull/4695#discussion_r881211369
##########
aws/src/main/java/org/apache/iceberg/aws/lakeformation/LakeFormationAwsClientFactory.java:
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@@ -132,27 +145,90 @@ private LakeFormationClient lakeFormation() {
.build();
}
+ static class LakeFormationTemporaryCredentials {
+
+ private final AwsCredentials credentials;
+ private final Instant sessionCredentialsExpiration;
+
+ LakeFormationTemporaryCredentials(AwsCredentials credentials, Instant
expiration) {
+ this.credentials = credentials;
+ this.sessionCredentialsExpiration = expiration;
+ }
+
+ AwsCredentials credentials() {
+ return credentials;
+ }
+
+ Instant sessionCredentialsExpiration() {
+ return sessionCredentialsExpiration;
+ }
+ }
+
static class LakeFormationCredentialsProvider implements
AwsCredentialsProvider {
private LakeFormationClient client;
private String tableArn;
+ private final long expiryLeadTimeForRefreshInSecs;
+
+ private LakeFormationTemporaryCredentials cachedCredentials;
+ private final Cache<String, LakeFormationTemporaryCredentials> cache;
- LakeFormationCredentialsProvider(LakeFormationClient lakeFormationClient,
String tableArn) {
+ LakeFormationCredentialsProvider(LakeFormationClient lakeFormationClient,
Review Comment:
nit: similar comment as below for putting arguments on newlines
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