Package de.hshannover.dqgui.engine

Class PostgresEngine

java.lang.Object

de.hshannover.dqgui.execution.database.api.DatabaseEngine

de.hshannover.dqgui.engine.PostgresEngine

public class PostgresEngine
extends DatabaseEngine

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PostgresEngine()

Method Summary

Modifier and Type	Method	Description
boolean	allowUseForIqm4hd()
boolean	allowUseForRepository()
java.lang.String	createDataSourceUrl(DatabaseConnection connection)	Creates a JDBC data source URL that is used to create the JDBC connection. If the engine does not support JDBC this should return null.
DatabaseFetcher	createFetcher(DatabaseConnection connection)	Returns a fetcher implementation for the database engine. JDBC supported engines can redirect to the JdbcFetcher.
protected Repository<?>	createRepositoryForConnection(DatabaseConnection connection)	If your database supports a database backed repository create the repository object here.
boolean	isRelational()
protected void	loadDatabaseDriver()	If you need to load database drivers, here is your chance. Some JDBC drivers need to be loaded with Class.forName() to register with the JDBC driver manager.
java.lang.String	name()
boolean	supportsJdbc()
DatabaseTests.DatabaseTestResult	test(DatabaseConnection connection)	Runs a test for the supplied connection. JDBC supported engines can redirect to the

Methods inherited from class de.hshannover.dqgui.execution.database.api.DatabaseEngine

createRepository, defaultPort, equals, guiConfiguration, hashCode, language, registerGuiSupport, registerIdentifier, registerLanguage, registerPort, registerRepositorySupport, requestRepositorySupport, toString, uniqueIdentifier

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

PostgresEngine

protected PostgresEngine()
                  throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

loadDatabaseDriver

protected void loadDatabaseDriver()
                           throws java.lang.ClassNotFoundException

Description copied from class: DatabaseEngine

If you need to load database drivers, here is your chance.
Some JDBC drivers need to be loaded with Class.forName() to register with the JDBC driver manager.

Specified by:

loadDatabaseDriver in class DatabaseEngine

Throws:

java.lang.ClassNotFoundException

createFetcher

public DatabaseFetcher createFetcher(DatabaseConnection connection)

Description copied from class: DatabaseEngine

Returns a fetcher implementation for the database engine.
JDBC supported engines can redirect to the JdbcFetcher.

Specified by:

createFetcher in class DatabaseEngine

Parameters:

connection - to create fetcher for.

Returns:

fetcher that can fetch for the engine.

name

public java.lang.String name()

Specified by:

name in class DatabaseEngine

Returns:

how the engine should be displayed in the UI. This will affect alphabetic sorting.

isRelational

public boolean isRelational()

Specified by:

isRelational in class DatabaseEngine

Returns:

true if the engine is relational

allowUseForRepository

public boolean allowUseForRepository()

Specified by:

allowUseForRepository in class DatabaseEngine

Returns:

true if this engine should be used for the repository

allowUseForIqm4hd

public boolean allowUseForIqm4hd()

Specified by:

allowUseForIqm4hd in class DatabaseEngine

Returns:

true if this engine should be used for iqm4hd

supportsJdbc

public boolean supportsJdbc()

Specified by:

supportsJdbc in class DatabaseEngine

Returns:

true if JDBC is supported

createDataSourceUrl

public java.lang.String createDataSourceUrl(DatabaseConnection connection)

Description copied from class: DatabaseEngine

Creates a JDBC data source URL that is used to create the JDBC connection.
If the engine does not support JDBC this should return null.

Specified by:

createDataSourceUrl in class DatabaseEngine

Parameters:

connection - to create the data source URL for

Returns:

a data source URL ready to use with the JDBC driver manager

test

public DatabaseTests.DatabaseTestResult test(DatabaseConnection connection)

Description copied from class: DatabaseEngine

Runs a test for the supplied connection.
JDBC supported engines can redirect to the

Specified by:

test in class DatabaseEngine

Parameters:

connection - to test for

Returns:

a DatabaseTests.DatabaseTestResult informing about the outcome

createRepositoryForConnection

protected Repository<?> createRepositoryForConnection(DatabaseConnection connection)

Description copied from class: DatabaseEngine

If your database supports a database backed repository create the repository object here.

Specified by:

createRepositoryForConnection in class DatabaseEngine

Parameters:

connection - to create repo for

Returns:

a repository if supported or null