Package mondrian.rolap
Class RolapConnectionPool
- java.lang.Object
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- mondrian.rolap.RolapConnectionPool
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class RolapConnectionPool extends Object
Singleton class that holds a connection pool. Call RolapConnectionPool.instance().getPoolingDataSource(connectionFactory) to get a DataSource in return that is a pooled data source.- Since:
- 7 July, 2003
- Author:
- jhyde, Robin Bagot
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description (package private) void
clearPool()
Clears the connection pool for testing purposesDataSource
getDataSourcePoolingDataSource(DataSource dataSource, String dataSourceName, String jdbcUser, String jdbcPassword)
DataSource
getDriverManagerPoolingDataSource(String jdbcConnectString, Properties jdbcProperties)
DataSource
getPoolingDataSource(Object key, org.apache.commons.dbcp.ConnectionFactory connectionFactory)
Sets up a pooling data source for connection pooling.static RolapConnectionPool
instance()
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Method Detail
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instance
public static RolapConnectionPool instance()
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getPoolingDataSource
public DataSource getPoolingDataSource(Object key, org.apache.commons.dbcp.ConnectionFactory connectionFactory)
Sets up a pooling data source for connection pooling. This can be used if the application server does not have a pooling dataSource already configured.This takes a normal jdbc connection string, and requires a jdbc driver to be loaded, and then uses a
DriverManagerConnectionFactory
to create connections to the database.An alternative method of configuring a pooling driver is to use an external configuration file. See the the Apache jakarta-commons commons-pool documentation.
- Parameters:
key
- Identifies which connection factory to use. A typical key is a JDBC connect string, since each JDBC connect string requires a different connection factory.connectionFactory
- Creates connections from an underlying JDBC connect string or DataSource- Returns:
- a pooling DataSource object
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clearPool
void clearPool()
Clears the connection pool for testing purposes
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getDriverManagerPoolingDataSource
public DataSource getDriverManagerPoolingDataSource(String jdbcConnectString, Properties jdbcProperties)
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getDataSourcePoolingDataSource
public DataSource getDataSourcePoolingDataSource(DataSource dataSource, String dataSourceName, String jdbcUser, String jdbcPassword)
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