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Optimistic locking for delete scenario with TransactWriteItemsEnhancedRequest #6043

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6 changes: 6 additions & 0 deletions .changes/next-release/bugfix-AmazonDynamoDBEnhancedClient-64b922e.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
{
"type": "bugfix",
"category": "Amazon DynamoDB Enhanced Client",
"contributor": "",
"description": "Optimistic locking while using DynamoDbEnhancedClient - DeleteItem with TransactWriteItemsEnhancedRequest"
}
166 changes: 165 additions & 1 deletion ...t/java/software/amazon/awssdk/enhanced/dynamodb/AsyncCrudWithResponseIntegrationTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,6 @@

package software.amazon.awssdk.enhanced.dynamodb;

import static org.assertj.core.api.Assertions.as;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;

Expand All @@ -31,6 +30,8 @@
import software.amazon.awssdk.enhanced.dynamodb.model.PutItemEnhancedRequest;
import software.amazon.awssdk.enhanced.dynamodb.model.PutItemEnhancedResponse;
import software.amazon.awssdk.enhanced.dynamodb.model.Record;
import software.amazon.awssdk.enhanced.dynamodb.model.RecordWithVersion;
import software.amazon.awssdk.enhanced.dynamodb.model.TransactWriteItemsEnhancedRequest;
import software.amazon.awssdk.enhanced.dynamodb.model.UpdateItemEnhancedRequest;
import software.amazon.awssdk.enhanced.dynamodb.model.UpdateItemEnhancedResponse;
import software.amazon.awssdk.services.dynamodb.DynamoDbAsyncClient;
Expand All @@ -41,6 +42,7 @@
import software.amazon.awssdk.services.dynamodb.model.ReturnItemCollectionMetrics;
import software.amazon.awssdk.services.dynamodb.model.ReturnValue;
import software.amazon.awssdk.services.dynamodb.model.ReturnValuesOnConditionCheckFailure;
import software.amazon.awssdk.services.dynamodb.model.TransactionCanceledException;

public class AsyncCrudWithResponseIntegrationTest extends DynamoDbEnhancedIntegrationTestBase {

Expand All @@ -56,13 +58,15 @@ public class AsyncCrudWithResponseIntegrationTest extends DynamoDbEnhancedIntegr
private static DynamoDbAsyncClient dynamoDbClient;
private static DynamoDbEnhancedAsyncClient enhancedClient;
private static DynamoDbAsyncTable<Record> mappedTable;
private static DynamoDbAsyncTable<RecordWithVersion> recordWithVersionMappedTable;

@BeforeClass
public static void beforeClass() {
dynamoDbClient = createAsyncDynamoDbClient();
enhancedClient = DynamoDbEnhancedAsyncClient.builder().dynamoDbClient(dynamoDbClient).build();
mappedTable = enhancedClient.table(TABLE_NAME, TABLE_SCHEMA);
mappedTable.createTable(r -> r.localSecondaryIndices(LOCAL_SECONDARY_INDEX)).join();
recordWithVersionMappedTable = enhancedClient.table(TABLE_NAME, RECORD_WITH_VERSION_TABLE_SCHEMA);
dynamoDbClient.waiter().waitUntilTableExists(r -> r.tableName(TABLE_NAME)).join();
}

Expand Down Expand Up @@ -341,4 +345,164 @@ public void getItem_withoutReturnConsumedCapacity() {
GetItemEnhancedResponse<Record> response = mappedTable.getItemWithResponse(req -> req.key(key)).join();
assertThat(response.consumedCapacity()).isNull();
}

@Test
public void deleteItemWithoutVersion_andOptimisticLockingEnabled_shouldSucceed() {
Record originalItem = new Record().setId("123").setSort(10).setStringAttribute("Original Item");
Key recordKey = Key.builder()
.partitionValue(originalItem.getId())
.sortValue(originalItem.getSort())
.build();
mappedTable.putItem(originalItem).join();

// Retrieve the item
Record retrievedItem = mappedTable.getItem(r -> r.key(recordKey)).join();

// Delete the item using a transaction
TransactWriteItemsEnhancedRequest request =
TransactWriteItemsEnhancedRequest.builder()
.addDeleteItem(mappedTable, retrievedItem, true)
.build();

enhancedClient.transactWriteItems(request).join();

Record deletedItem = mappedTable.getItem(r -> r.key(recordKey)).join();
assertThat(deletedItem).isNull();
}

@Test
public void deleteItemWithoutVersion_andOptimisticLockingDisabled_shouldSucceed() {
Record originalItem = new Record().setId("123").setSort(10).setStringAttribute("Original Item");
Key recordKey = Key.builder()
.partitionValue(originalItem.getId())
.sortValue(originalItem.getSort())
.build();
mappedTable.putItem(originalItem).join();

// Retrieve the item
Record retrievedItem = mappedTable.getItem(r -> r.key(recordKey)).join();

// Delete the item using a transaction
TransactWriteItemsEnhancedRequest request =
TransactWriteItemsEnhancedRequest.builder()
.addDeleteItem(mappedTable, retrievedItem, false)
.build();

enhancedClient.transactWriteItems(request).join();

Record deletedItem = mappedTable.getItem(r -> r.key(recordKey)).join();
assertThat(deletedItem).isNull();
}

@Test
public void deleteItemWithVersion_andOptimisticLockingEnabled_ifVersionMatch_shouldSucceed() {
RecordWithVersion originalItem = new RecordWithVersion().setId("123").setSort(10).setStringAttribute("Original Item");
Key recordKey = Key.builder()
.partitionValue(originalItem.getId())
.sortValue(originalItem.getSort())
.build();
recordWithVersionMappedTable.putItem(originalItem).join();

// Retrieve the item
RecordWithVersion retrievedItem = recordWithVersionMappedTable.getItem(r -> r.key(recordKey)).join();

// Delete the item using a transaction
TransactWriteItemsEnhancedRequest request =
TransactWriteItemsEnhancedRequest.builder()
.addDeleteItem(recordWithVersionMappedTable, retrievedItem, true)
.build();

enhancedClient.transactWriteItems(request).join();

RecordWithVersion deletedItem = recordWithVersionMappedTable.getItem(r -> r.key(recordKey)).join();
assertThat(deletedItem).isNull();
}

@Test
public void deleteItemWithVersion_andOptimisticLockingEnabled_ifVersionMismatch_shouldFail() {
RecordWithVersion originalItem = new RecordWithVersion().setId("123").setSort(10).setStringAttribute("Original Item");
Key recordKey = Key.builder()
.partitionValue(originalItem.getId())
.sortValue(originalItem.getSort())
.build();

recordWithVersionMappedTable.putItem(originalItem).join();

// Retrieve the item and modify it separately
RecordWithVersion modifiedItem = recordWithVersionMappedTable.getItem(r -> r.key(recordKey)).join();
modifiedItem.setStringAttribute("Updated Item");

// Update the item, which will increment the version
recordWithVersionMappedTable.updateItem(modifiedItem);

// Now attempt to delete the original item using a transaction
TransactWriteItemsEnhancedRequest request =
TransactWriteItemsEnhancedRequest.builder()
.addDeleteItem(recordWithVersionMappedTable, modifiedItem, true)
.build();

assertThatThrownBy(() -> enhancedClient.transactWriteItems(request).join())
.isInstanceOf(CompletionException.class)
.satisfies(e ->
assertThat(((TransactionCanceledException) e.getCause())
.cancellationReasons()
.stream()
.anyMatch(reason ->
"ConditionalCheckFailed".equals(reason.code())
&& "The conditional request failed".equals(reason.message())))
.isTrue());
}

@Test
public void deleteItemWithVersion_andOptimisticLockingDisabled_ifVersionMatch_shouldSucceed() {
RecordWithVersion originalItem = new RecordWithVersion().setId("123").setSort(10).setStringAttribute("Original Item");
Key recordKey = Key.builder()
.partitionValue(originalItem.getId())
.sortValue(originalItem.getSort())
.build();
recordWithVersionMappedTable.putItem(originalItem).join();

// Retrieve the item
RecordWithVersion retrievedItem = recordWithVersionMappedTable.getItem(r -> r.key(recordKey)).join();

// Delete the item using a transaction
TransactWriteItemsEnhancedRequest request =
TransactWriteItemsEnhancedRequest.builder()
.addDeleteItem(recordWithVersionMappedTable, retrievedItem, false)
.build();

enhancedClient.transactWriteItems(request).join();

RecordWithVersion deletedItem = recordWithVersionMappedTable.getItem(r -> r.key(recordKey)).join();
assertThat(deletedItem).isNull();
}

@Test
public void deleteItemWithVersion_andOptimisticLockingDisabled_ifVersionMismatch_shouldSucceed() {
RecordWithVersion originalItem = new RecordWithVersion().setId("123").setSort(10).setStringAttribute("Original Item");
Key recordKey = Key.builder()
.partitionValue(originalItem.getId())
.sortValue(originalItem.getSort())
.build();

recordWithVersionMappedTable.putItem(originalItem).join();

// Retrieve the item and modify it separately
RecordWithVersion modifiedItem = recordWithVersionMappedTable.getItem(r -> r.key(recordKey)).join();
modifiedItem.setStringAttribute("Updated Item");

// Update the item, which will increment the version
recordWithVersionMappedTable.updateItem(modifiedItem);

// Now attempt to delete the original item using a transaction
TransactWriteItemsEnhancedRequest request =
TransactWriteItemsEnhancedRequest.builder()
.addDeleteItem(recordWithVersionMappedTable, modifiedItem, false)
.build();

enhancedClient.transactWriteItems(request).join();

RecordWithVersion deletedItem = recordWithVersionMappedTable.getItem(r -> r.key(recordKey)).join();
assertThat(deletedItem).isNull();
}
}
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