public void initializeDependencies()

in google-cloud-spanner-hibernate-dialect/src/main/java/com/google/cloud/spanner/hibernate/schema/TableDependencyTracker.java [56:83]

• 21 lines of code
• 7 McCabe index (conditional complexity)

  public void initializeDependencies(Metadata metadata, Action schemaAction) {
    HashMap<Table, Table> dependencies = new HashMap<>();

    for (Table childTable : metadata.collectTableMappings()) {
      Class<?> entity = SchemaUtils.getEntityClass(childTable, metadata);
      Interleaved interleaved = entity != null ? entity.getAnnotation(Interleaved.class) : null;

      if (interleaved != null) {
        if (!SchemaUtils.validateInterleaved(entity)) {
          log.warnf(
              "Composite key for Interleaved table '%s' should be a superset of the parent's key.",
              entity.getName());
        }

        // Add table dependency
        if (schemaAction == Action.CREATE || schemaAction == Action.UPDATE) {
          // If creating tables, the parent blocks the child.
          dependencies.put(childTable, SchemaUtils.getTable(interleaved.parentEntity(), metadata));
        } else {
          // If dropping tables, the child blocks the parent.
          dependencies.put(SchemaUtils.getTable(interleaved.parentEntity(), metadata), childTable);
        }
      }
    }

    this.tableDependencies = dependencies;
    this.processedTables = new HashSet<>();
  }