net.ashwork.upvote.database.util

Class DatabaseHelper

java.lang.Object

net.ashwork.upvote.database.util.DatabaseHelper

public final class DatabaseHelper
extends java.lang.Object

A utility class to handle interactions with a database.

Since:

1.0.0

Constructor Summary

Constructors

Constructor and Description
DatabaseHelper()

Method Summary

Modifier and Type	Method and Description
static <DBO,DAO extends InsertDao<DBO>,RESPONSE> RESPONSE	persistToDatabase(DAO dao, DBO dbo, java.util.function.IntFunction<RESPONSE> success, java.util.function.Function<java.lang.Throwable,RESPONSE> error) Inserts an entry into a table and returns some response pertaining to whether the insertion was successful or not.
static <DBO,DAO extends InsertDao<DBO>,RESPONSE> RESPONSE	persistToDatabase(DAO dao, java.util.List<DBO> dbos, java.util.function.Supplier<RESPONSE> success, java.util.function.Function<java.lang.Throwable,RESPONSE> error) Inserts multiple entries into a table and returns some response pertaining to whether the insertions were successful or not.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatabaseHelper

public DatabaseHelper()

Method Detail

persistToDatabase

public static <DBO,DAO extends InsertDao<DBO>,RESPONSE> RESPONSE persistToDatabase(DAO dao,
                                                                                   DBO dbo,
                                                                                   java.util.function.IntFunction<RESPONSE> success,
                                                                                   java.util.function.Function<java.lang.Throwable,RESPONSE> error)

Inserts an entry into a table and returns some response pertaining to whether the insertion was successful or not.

Type Parameters:

DBO - the type of the database object

DAO - the type of the domain access object

RESPONSE - the type of the response of the insertion

Parameters:

dao - the domain access object of the table

dbo - the database object being inserted

success - a function to convert a successful insertion to a response

error - a function to convert a thrown throwable to a response

Returns:

the response created as a result of the insertion

See Also:

InsertDao

persistToDatabase

public static <DBO,DAO extends InsertDao<DBO>,RESPONSE> RESPONSE persistToDatabase(DAO dao,
                                                                                   java.util.List<DBO> dbos,
                                                                                   java.util.function.Supplier<RESPONSE> success,
                                                                                   java.util.function.Function<java.lang.Throwable,RESPONSE> error)

Inserts multiple entries into a table and returns some response pertaining to whether the insertions were successful or not.

Type Parameters:

DBO - the type of the database object

DAO - the type of the domain access object

RESPONSE - the type of the response of the insertions

Parameters:

dao - the domain access object of the table

dbos - the database objects being inserted

success - a supplied response for successful insertions

error - a function to convert a thrown throwable to a response

Returns:

the response created as a result of the insertions

See Also:

InsertDao