Package com.ibm.fhir.persistence.jdbc.connection

Class FHIRDbConnectionStrategyBase

java.lang.Object

com.ibm.fhir.persistence.jdbc.connection.FHIRDbConnectionStrategyBase

All Implemented Interfaces:

FHIRDbConnectionStrategy, QueryHints

Direct Known Subclasses:

FHIRDbTenantDatasourceConnectionStrategy

public abstract class FHIRDbConnectionStrategyBase
extends Object
implements FHIRDbConnectionStrategy, QueryHints

Common base for multi-tenant connection strategy implementations

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	FHIRDbConnectionStrategyBase(TransactionSynchronizationRegistry trxSyncRegistry, Action newConnectionAction)	Protected constructor

Method Summary

Modifier and Type	Method	Description
void	applySearchOptimizerOptions(Connection c)	Apply any optimizer options configured to improve search query performance See issue-1911 for details.
protected void	configure(Connection connection, String tenantId, String dsId)	Check with the transaction sync registry to see if this is the first time we've worked with this connection in the current transaction.
protected Connection	getConnection(DataSource datasource, String tenantId, String dsId)	Get a connection configured for the given tenant and datasourceId
FHIRDbFlavor	getFlavor()	Get the flavor of the database we are working with to reveal its capabilities
String	getHintValue(String hintProperty)	Get the hint value from the configuration
QueryHints	getQueryHints()	Append the given hint to FHIR search queries

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.ibm.fhir.persistence.jdbc.connection.FHIRDbConnectionStrategy

getConnection

Constructor Detail

FHIRDbConnectionStrategyBase

protected FHIRDbConnectionStrategyBase(TransactionSynchronizationRegistry trxSyncRegistry,
                                       Action newConnectionAction)
                                throws FHIRPersistenceDataAccessException

Protected constructor

Parameters:

trxSyncRegistry - the transaction sync registry

newConnectionAction - actions to apply when a connection is created

Throws:

FHIRPersistenceDataAccessException

Method Detail

configure

protected void configure(Connection connection,
                         String tenantId,
                         String dsId)
                  throws FHIRPersistenceException

Check with the transaction sync registry to see if this is the first time we've worked with this connection in the current transaction.

Parameters:

connection - the new connection

tenantId - the tenant to which the connection belongs

dsId - the datasource in the tenant to which the connection belongs

Throws:

FHIRPersistenceException

getConnection

protected Connection getConnection(DataSource datasource,
                                   String tenantId,
                                   String dsId)
                            throws SQLException,
                                   FHIRPersistenceException

Get a connection configured for the given tenant and datasourceId

Parameters:

datasource -

tenantId -

dsId -

Returns:

Throws:

SQLException

FHIRPersistenceException

getFlavor

public FHIRDbFlavor getFlavor()
                       throws FHIRPersistenceDataAccessException

Description copied from interface: FHIRDbConnectionStrategy

Get the flavor of the database we are working with to reveal its capabilities

Specified by:

getFlavor in interface FHIRDbConnectionStrategy

Returns:

the datastore/source flavor from the FHIR configuration

Throws:

FHIRPersistenceDataAccessException - if there is an issue with the configuration

getHintValue

public String getHintValue(String hintProperty)

Description copied from interface: QueryHints

Get the hint value from the configuration

Specified by:

getHintValue in interface QueryHints

Returns:

getQueryHints

public QueryHints getQueryHints()

Description copied from interface: FHIRDbConnectionStrategy

Append the given hint to FHIR search queries

Specified by:

getQueryHints in interface FHIRDbConnectionStrategy

Returns:

applySearchOptimizerOptions

public void applySearchOptimizerOptions(Connection c)

Description copied from interface: FHIRDbConnectionStrategy

Apply any optimizer options configured to improve search query performance See issue-1911 for details.

Specified by:

applySearchOptimizerOptions in interface FHIRDbConnectionStrategy

Parameters:

c - the connection to be configured