Package ru.yoomoney.tech.dbqueue.config

Interface DatabaseAccessLayer

public interface DatabaseAccessLayer

Interface for interacting with database

Since:

22.04.2021

Method Summary

Modifier and Type	Method	Description
QueuePickTaskDao	createQueuePickTaskDao(QueueLocation queueLocation, FailureSettings failureSettings)	Create an instance of database-specific DAO based on database type and table schema.
DatabaseDialect	getDatabaseDialect()	Get database type for that database.
QueueDao	getQueueDao()	Get an instance of database-specific DAO based on database type and table schema.
QueueTableSchema	getQueueTableSchema()	Get queue table schema for that database.
void	transact(java.lang.Runnable runnable)	Perform an operation in transaction
<ResultT> ResultT	transact(java.util.function.Supplier<ResultT> supplier)	Perform an operation in transaction

Method Detail

getQueueDao

@Nonnull
QueueDao getQueueDao()

Get an instance of database-specific DAO based on database type and table schema.

Returns:

database-specific DAO instance.

createQueuePickTaskDao

@Nonnull
QueuePickTaskDao createQueuePickTaskDao(@Nonnull
                                        QueueLocation queueLocation,
                                        @Nonnull
                                        FailureSettings failureSettings)

Create an instance of database-specific DAO based on database type and table schema.

Parameters:

queueLocation - queue location

failureSettings - settings for handling failures

Returns:

database-specific DAO instance.

transact

<ResultT> ResultT transact(@Nonnull
                           java.util.function.Supplier<ResultT> supplier)

Perform an operation in transaction

Type Parameters:

ResultT - result type

Parameters:

supplier - operation

Returns:

result of operation

transact

void transact(@Nonnull
              java.lang.Runnable runnable)

Perform an operation in transaction

Parameters:

runnable - operation

getDatabaseDialect

@Nonnull
DatabaseDialect getDatabaseDialect()

Get database type for that database.

Returns:

Database type.

getQueueTableSchema

@Nonnull
QueueTableSchema getQueueTableSchema()

Get queue table schema for that database.

Returns:

Queue table schema.