Package org.qubership.atp.mia.repo.driver

Class SqlDriver

java.lang.Object

org.qubership.atp.mia.repo.driver.SqlDriver

All Implemented Interfaces:

QueryDriver<Connection>

Direct Known Subclasses:

MySqlDriver, OracleDriver, PostgreSqlDriver

@Repository
public abstract class SqlDriver
extends Object
implements QueryDriver<Connection>

Field Summary

Fields

Modifier and Type	Field	Description
protected int	cleanUpTimeout
protected int	executionTimeout
protected final ExecutorService	executorService
protected int	expiredAfter
protected MetricsAggregateService	metricsService
protected final com.google.common.cache.LoadingCache<Server,Connection>	pool

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SqlDriver(ExecutorService executorService)	Constructor.
protected	SqlDriver(ExecutorService executorService, int expireAfter, int cleanUpTimeout)	Constructor with parameters (test usage).

Method Summary

Modifier and Type	Method	Description
Connection	create(Server server)	Creates connection.
DbTable	executeQuery(Server server, String query)	Execute query.
DbTable	executeQuery(Server server, String query, int limitRecords)
DbAnswer	executeStoredProcedure(Server server, String query)	Execute stored procedure.
int	executeUpdate(Server server, String query)	Execute 'update'.
long	poolSize()	Gets pool size.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.qubership.atp.mia.repo.driver.QueryDriver

close, executeQuery, executeQueryAndGetFirstValue, getDriverType, getExecutionTimeout, initPool, initPoolCleanUp

Field Details

pool

protected final com.google.common.cache.LoadingCache<Server,Connection> pool

executorService

protected final ExecutorService executorService

metricsService

@Autowired
protected MetricsAggregateService metricsService

cleanUpTimeout

@Value("${db.close.delay:300}")
protected int cleanUpTimeout

expiredAfter

@Value("${db.alive.length:300}")
protected int expiredAfter

executionTimeout

@Value("${db.execution.timeout:30}")
protected int executionTimeout

Constructor Details

SqlDriver

protected SqlDriver(ExecutorService executorService)

Constructor.

SqlDriver

protected SqlDriver(ExecutorService executorService,
 int expireAfter,
 int cleanUpTimeout)

Constructor with parameters (test usage).

Method Details

create

public Connection create(Server server)

Creates connection.

Specified by:

create in interface QueryDriver<Connection>

Parameters:

server - server

Returns:

Connection to DB

Throws:

com.google.common.util.concurrent.UncheckedExecutionException - which explicitly wraps SqlConnectionFailException, which wraps SQLException with connection error.

executeQuery

public DbTable executeQuery(Server server,
 String query)

Description copied from interface: QueryDriver

Execute query.

Specified by:

executeQuery in interface QueryDriver<Connection>

Parameters:

server - Server

query - query

Returns:

DbTable

executeQuery

public DbTable executeQuery(Server server,
 String query,
 int limitRecords)

Specified by:

executeQuery in interface QueryDriver<Connection>

executeUpdate

public int executeUpdate(Server server,
 String query)

Description copied from interface: QueryDriver

Execute 'update'.

Specified by:

executeUpdate in interface QueryDriver<Connection>

Parameters:

server - server

query - query

Returns:

number affected rows

executeStoredProcedure

public DbAnswer executeStoredProcedure(Server server,
 String query)

Description copied from interface: QueryDriver

Execute stored procedure.

Specified by:

executeStoredProcedure in interface QueryDriver<Connection>

Parameters:

server - server

query - query

poolSize

public long poolSize()

Description copied from interface: QueryDriver

Gets pool size.

Specified by:

poolSize in interface QueryDriver<Connection>

Returns:

pool size