Package mondrian.server

Class DynamicContentFinder

java.lang.Object

mondrian.server.UrlRepositoryContentFinder

mondrian.server.DynamicContentFinder

All Implemented Interfaces:

RepositoryContentFinder

public class DynamicContentFinder
extends UrlRepositoryContentFinder

Implementation of RepositoryContentFinder that periodically reloads the content of the repository.

The updates are performed by a background thread. It is important to call shutdown() once this object can be disposed of.

Author:

Thiyagu Ajit, Luc Boudreau, Julian Hyde

Field Summary

Fields

Modifier and Type	Field	Description
protected DataSourcesConfig.DataSources	dataSources
protected String	lastDataSourcesConfigString

Fields inherited from class mondrian.server.UrlRepositoryContentFinder

url

Constructor Summary

Constructors

Constructor	Description
DynamicContentFinder(String dataSourcesConfigUrl)	Creates a DynamicContentFinder.

Method Summary

Modifier and Type	Method	Description
static boolean	areCatalogsEqual(DataSourcesConfig.DataSource dataSource1, DataSourcesConfig.Catalog catalog1, DataSourcesConfig.DataSource dataSource2, DataSourcesConfig.Catalog catalog2)
static String	dsi(DataSourcesConfig.DataSource dataSource, DataSourcesConfig.Catalog catalog)
protected void	flushCatalog(String catalogName)
void	flushObsoleteCatalogs(DataSourcesConfig.DataSources newDataSources)
protected boolean	hasDataSourcesContentChanged(String dataSourcesConfigString)
void	reloadDataSources()	Checks for updates to datasources content, flushes obsolete catalogs.
void	shutdown()	Cleans up all background updating jobs.

Methods inherited from class mondrian.server.UrlRepositoryContentFinder

getContent

Methods inherited from class java.lang.Object

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

Field Detail

lastDataSourcesConfigString

protected String lastDataSourcesConfigString

dataSources

protected DataSourcesConfig.DataSources dataSources

Constructor Detail

DynamicContentFinder

public DynamicContentFinder(String dataSourcesConfigUrl)

Creates a DynamicContentFinder.

Parameters:

dataSourcesConfigUrl - URL of repository

Method Detail

shutdown

public void shutdown()

Cleans up all background updating jobs.

Specified by:

shutdown in interface RepositoryContentFinder

Overrides:

shutdown in class UrlRepositoryContentFinder

reloadDataSources

public void reloadDataSources()

Checks for updates to datasources content, flushes obsolete catalogs.

hasDataSourcesContentChanged

protected boolean hasDataSourcesContentChanged(String dataSourcesConfigString)

flushObsoleteCatalogs

public void flushObsoleteCatalogs(DataSourcesConfig.DataSources newDataSources)

flushCatalog

protected void flushCatalog(String catalogName)

areCatalogsEqual

public static boolean areCatalogsEqual(DataSourcesConfig.DataSource dataSource1,
                                       DataSourcesConfig.Catalog catalog1,
                                       DataSourcesConfig.DataSource dataSource2,
                                       DataSourcesConfig.Catalog catalog2)

dsi

public static String dsi(DataSourcesConfig.DataSource dataSource,
                         DataSourcesConfig.Catalog catalog)