com.goldencode.p2j.persist.dialect

Class MariaDbHelper

java.lang.Object

com.goldencode.p2j.persist.dialect.MariaDbHelper

public final class MariaDbHelper
extends java.lang.Object

Helper class which provides MariaDb - specific services:

• gather HQL/SQL functions
• decorate them to avoid the overloading restriction of the server

Constructor Summary

Constructors

Modifier	Constructor and Description
private	MariaDbHelper() Private constructor.

Method Summary

Modifier and Type	Method and Description
private static char	getSqlDecoration(java.lang.String javaType) Returns the parameter decoration for fixing the function overloading constraint in MariaDb.
static void	registerOverloadedFunctions(Database database) Register the function aliases with the HQL preprocessor, for the permanent database.
private static void	registerOverloadedFunctions(Database database, java.util.List<java.lang.reflect.Method> funcs) Get function aliases for the given list of static methods, optionally making the alias names unique by appending parameter type decorations.

Methods inherited from class java.lang.Object

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

Constructor Detail

MariaDbHelper

private MariaDbHelper()

Private constructor. All access to this class is via static methods.

Method Detail

registerOverloadedFunctions

public static void registerOverloadedFunctions(Database database)

Register the function aliases with the HQL preprocessor, for the permanent database.

Parameters:

database - Database to prepare.

registerOverloadedFunctions

private static void registerOverloadedFunctions(Database database,
                                                java.util.List<java.lang.reflect.Method> funcs)

Get function aliases for the given list of static methods, optionally making the alias names unique by appending parameter type decorations.

Parameters:

database - Database in which to create aliases.

funcs - List of static methods for which function aliases should be created.

getSqlDecoration

private static char getSqlDecoration(java.lang.String javaType)

Returns the parameter decoration for fixing the function overloading constraint in MariaDb.

Parameters:

javaType - The java type (full name).

Returns:

a character for decorating the SQL function.