Package io.helidon.integrations.cdi.jpa

Interface PersistenceUnitInfoBean.DataSourceProvider

Enclosing class:

PersistenceUnitInfoBean

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface PersistenceUnitInfoBean.DataSourceProvider

A functional interface indicating that its implementations can supply DataSources.

See Also:

getDataSource(boolean, boolean, String)

Method Summary

Modifier and Type	Method and Description
DataSource	getDataSource(boolean jta, boolean useDefaultJta, String dataSourceName) Supplies a DataSource.

Method Detail

getDataSource

DataSource getDataSource(boolean jta,
                         boolean useDefaultJta,
                         String dataSourceName)

Supplies a DataSource.

Implementations of this method are permitted to return null.

Parameters:

jta - if true, the DataSource that is returned may be enrolled in JTA-compliant transactions

useDefaultJta - if true, and if the jta parameter value is true, the supplied dataSourceName may be ignored and a default DataSource eligible for enrolling in JTA-compliant transactions will be returned if possible

dataSourceName - the name of the DataSource to return; may be null; ignored if both jta and useDefaultJta are true

Returns:

an appropriate DataSource, or null

See Also:

PersistenceUnitInfoBean.getJtaDataSource(), PersistenceUnitInfoBean.getNonJtaDataSource()