@Override
public Map<String, Object> getUserPreferences(String principalName) {
DynamoDB dynamoDB = new DynamoDB(documentstoreClient.getClient());
Table table = dynamoDB.getTable(USER_PREFERENCES);
Item item = table.getItem(PRINCIPAL_NAME_KEY, principalName);
return item == null ? null : item.asMap();
}
@Override
public Map<String, Object> findInstitutionPreferences() {
DynamoDB dynamoDB = new DynamoDB(documentstoreClient.getClient());
Table table = dynamoDB.getTable(INSTITUTION_PREFERENCES);
Item item = table.getItem(INSTITUTION_ID_KEY, "1232413535");
return item == null ? null : item.asMap();
}
@Override
public void saveUserPreferences(String principalName, String preferences) {
Item item = Item.fromJSON(preferences);
item = item.withString(PRINCIPAL_NAME_KEY, principalName);
DynamoDB dynamoDB = new DynamoDB(documentstoreClient.getClient());
Table table = dynamoDB.getTable(USER_PREFERENCES);
PutItemOutcome outcome = table.putItem(item);
LOG.debug("Saved user preferences: " + outcome);
}
private void initializeTables() {
// Create InstitutionPreferences table if it does not exist yet
if (Tables.doesTableExist(documentstoreClient.getClient(), INSTITUTION_PREFERENCES)) {
LOG.debug("Table " + INSTITUTION_PREFERENCES + " is already ACTIVE");
} else {
CreateTableRequest createTableRequest =
new CreateTableRequest()
.withTableName(INSTITUTION_PREFERENCES)
.withKeySchema(
new KeySchemaElement()
.withAttributeName(INSTITUTION_ID_KEY)
.withKeyType(KeyType.HASH))
.withAttributeDefinitions(
new AttributeDefinition()
.withAttributeName(INSTITUTION_ID_KEY)
.withAttributeType(ScalarAttributeType.S))
.withProvisionedThroughput(
new ProvisionedThroughput().withReadCapacityUnits(1L).withWriteCapacityUnits(1L));
TableDescription createdTableDescription =
documentstoreClient.getClient().createTable(createTableRequest).getTableDescription();
LOG.debug("Created Table: " + createdTableDescription);
LOG.debug("Waiting for " + INSTITUTION_PREFERENCES + " to become ACTIVE...");
try {
Tables.awaitTableToBecomeActive(documentstoreClient.getClient(), INSTITUTION_PREFERENCES);
} catch (InterruptedException e) {
LOG.error(INSTITUTION_PREFERENCES + " table failed to become ACTIVE", e);
}
}
// Create UserPreferences table if it does not exist yet
if (Tables.doesTableExist(documentstoreClient.getClient(), USER_PREFERENCES)) {
LOG.debug("Table " + USER_PREFERENCES + " is already ACTIVE");
} else {
CreateTableRequest createTableRequest =
new CreateTableRequest()
.withTableName(USER_PREFERENCES)
.withKeySchema(
new KeySchemaElement()
.withAttributeName(PRINCIPAL_NAME_KEY)
.withKeyType(KeyType.HASH))
.withAttributeDefinitions(
new AttributeDefinition()
.withAttributeName(PRINCIPAL_NAME_KEY)
.withAttributeType(ScalarAttributeType.S))
.withProvisionedThroughput(
new ProvisionedThroughput().withReadCapacityUnits(1L).withWriteCapacityUnits(1L));
TableDescription createdTableDescription =
documentstoreClient.getClient().createTable(createTableRequest).getTableDescription();
LOG.debug("Created Table: " + createdTableDescription);
LOG.debug("Waiting for " + USER_PREFERENCES + " to become ACTIVE...");
try {
Tables.awaitTableToBecomeActive(documentstoreClient.getClient(), USER_PREFERENCES);
} catch (InterruptedException e) {
LOG.error(USER_PREFERENCES + " table failed to become ACTIVE", e);
}
}
}