private List buildDeletes()

in src/main/java/com/amazonaws/partners/saasfactory/metering/aggregation/BillingEventAggregation.java [281:311]


    private List<Delete> buildDeletes(List<BillingEvent> billingEvents, TenantConfiguration tenant) {
        List<Delete> deleteRequests = new ArrayList<>();
        for (BillingEvent event : billingEvents) {
            Map<String, AttributeValue> keyToDelete = new HashMap<>();
            Long eventTime = event.getEventTime().toEpochMilli();
            String nonce = event.getNonce();
            AttributeValue tenantIDValue = AttributeValue.builder()
                    .s(tenant.getTenantID())
                    .build();
            keyToDelete.put(PRIMARY_KEY_NAME, tenantIDValue);

            AttributeValue eventValue = AttributeValue.builder()
                    .s(String.format("%s%s%d%s%s",
                        EVENT_PREFIX,
                        ATTRIBUTE_DELIMITER,
                        eventTime,
                        ATTRIBUTE_DELIMITER,
                        nonce))
                    .build();

            keyToDelete.put(SORT_KEY_NAME, eventValue);

            Delete delete = Delete.builder()
                    .tableName(this.tableConfig.getTableName())
                    .key(keyToDelete)
                    .build();

            deleteRequests.add(delete);
        }
        return deleteRequests;
    }