Class DatabaseProcessor

java.lang.Object

dimstyl.orm.internal.processors.DatabaseProcessor

public final class DatabaseProcessor
extends Object

Utility class responsible for processing metadata related to databases in ORM.

This class extracts metadata from classes annotated with Database, establishes database connections, and processes associated tables.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DatabaseProcessor()	Private constructor to prevent instantiation.

Method Summary

Modifier and Type	Method	Description
static DatabaseMetadata	extractMetadata(Class<?> databaseClass)	Extracts metadata from a given class annotated with Database.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DatabaseProcessor

private DatabaseProcessor()

Private constructor to prevent instantiation.

Method Details

extractMetadata

public static DatabaseMetadata extractMetadata(Class<?> databaseClass)
                                        throws MissingDatabaseAnnotationException,
DatabaseConnectionException,
MissingTableAnnotationException,
UnsupportedFieldTypeException

Extracts metadata from a given class annotated with Database.

This method validates the presence of the Database annotation, retrieves the database name, determines the database engine, and processes associated tables. It also connects to the database using the DatabaseConfigurationFactory.

Parameters:

databaseClass - The class representing the database configuration.

Returns:

The extracted DatabaseMetadata, containing database name, engine, SQL operation, and table metadata.

Throws:

MissingDatabaseAnnotationException - If the class is not annotated with Database.

DatabaseConnectionException - If a connection to the database cannot be established.

MissingTableAnnotationException - If a table entity is not annotated with Table.

UnsupportedFieldTypeException - If a table contains an unsupported field type.