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Add a method for iterating across all accounts

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This commit is contained in:
Jon Chambers
2023-06-20 11:42:22 -04:00
committed by Jon Chambers
parent 97710540c0
commit 06997e19e0
3 changed files with 42 additions and 0 deletions
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18
service/src/main/java/org/whispersystems/textsecuregcm/storage/Accounts.java
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@@ -36,6 +36,7 @@ import org.whispersystems.textsecuregcm.util.AttributeValues;
import org.whispersystems.textsecuregcm.util.ExceptionUtils;
import org.whispersystems.textsecuregcm.util.SystemMapper;
import org.whispersystems.textsecuregcm.util.UUIDUtil;
import reactor.core.publisher.Flux;
import software.amazon.awssdk.services.dynamodb.DynamoDbAsyncClient;
import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
import software.amazon.awssdk.services.dynamodb.model.AttributeValue;
@@ -677,6 +678,23 @@ public class Accounts extends AbstractDynamoDbStore {
}));
}
Flux<Account> getAll(final int segments) {
if (segments < 1) {
throw new IllegalArgumentException("Total number of segments must be positive");
}
return Flux.merge(
Flux.range(0, segments)
.map(segment -> asyncClient.scanPaginator(ScanRequest.builder()
.tableName(accountsTableName)
.consistentRead(true)
.segment(segment)
.totalSegments(segments)
.build())
.items()
.map(Accounts::fromItem)));
}
@Nonnull
public AccountCrawlChunk getAllFrom(final UUID from, final int maxCount) {
final ScanRequest.Builder scanRequestBuilder = ScanRequest.builder()

5
service/src/main/java/org/whispersystems/textsecuregcm/storage/AccountsManager.java
View File

@@ -58,6 +58,7 @@ import org.whispersystems.textsecuregcm.util.Constants;
import org.whispersystems.textsecuregcm.util.DestinationDeviceValidator;
import org.whispersystems.textsecuregcm.util.SystemMapper;
import org.whispersystems.textsecuregcm.util.Util;
import reactor.core.publisher.Flux;
public class AccountsManager {
@@ -714,6 +715,10 @@ public class AccountsManager {
return accounts.getAllFrom(uuid, length);
}
public Flux<Account> streamAllFromDynamo(final int segments) {
return accounts.getAll(segments);
}
public void delete(final Account account, final DeletionReason deletionReason) throws InterruptedException {
try (final Timer.Context ignored = deleteTimer.time()) {
accountLockManager.withLock(List.of(account.getNumber()), () -> {