mondrian.xmla.impl
Class DynamicDatasourceXmlaServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          mondrian.xmla.XmlaServlet
              mondrian.xmla.impl.DefaultXmlaServlet
                  mondrian.xmla.impl.DynamicDatasourceXmlaServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig, XmlaConstants

public class DynamicDatasourceXmlaServlet
extends DefaultXmlaServlet

Extends DefaultXmlaServlet to add dynamic datasource loading capability. Limitations : Catalog name should be unique across the datasources

Author:

Thiyagu, Ajit

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class mondrian.xmla.XmlaServlet

XmlaServlet.Phase

Field Summary

protected URL	dataSourcesConfigUrl
protected String	lastDataSourcesConfigString

Fields inherited from class mondrian.xmla.impl.DefaultXmlaServlet

nl

Fields inherited from class mondrian.xmla.XmlaServlet

catalogLocator, charEncoding, dataSources, DEFAULT_DATASOURCE_FILE, PARAM_CALLBACKS, PARAM_CHAR_ENCODING, PARAM_DATASOURCES_CONFIG, PARAM_OPTIONAL_DATASOURCE_CONFIG, xmlaHandler

Fields inherited from interface mondrian.xmla.XmlaConstants

CHH_AUTHORIZATION_CODE, CHH_AUTHORIZATION_FAULT_FS, CHH_CODE, CHH_FAULT_FS, CLIENT_FAULT_FC, CONTENT_DEFAULT, CONTEXT_ROLE, CONTEXT_ROLE_NAME, CONTEXT_XMLA_SESSION_ID, CONTEXT_XMLA_SESSION_STATE, CONTEXT_XMLA_SESSION_STATE_BEGIN, CONTEXT_XMLA_SESSION_STATE_END, CONTEXT_XMLA_SESSION_STATE_WITHIN, CPOSTA_CODE, CPOSTA_FAULT_FS, CPREA_CODE, CPREA_FAULT_FS, FAULT_ACTOR, FAULT_FC_PREFIX, FAULT_FS_PREFIX, FAULT_NS_PREFIX, HSB_ACCESS_DENIED_CODE, HSB_ACCESS_DENIED_FAULT_FS, HSB_BAD_COMMAND_CODE, HSB_BAD_COMMAND_FAULT_FS, HSB_BAD_METHOD_CODE, HSB_BAD_METHOD_FAULT_FS, HSB_BAD_METHOD_NS_CODE, HSB_BAD_METHOD_NS_FAULT_FS, HSB_BAD_NON_NULLABLE_COLUMN_CODE, HSB_BAD_NON_NULLABLE_COLUMN_FAULT_FS, HSB_BAD_PROPERTIES_CODE, HSB_BAD_PROPERTIES_FAULT_FS, HSB_BAD_PROPERTIES_LIST_CODE, HSB_BAD_PROPERTIES_LIST_FAULT_FS, HSB_BAD_REQUEST_TYPE_CODE, HSB_BAD_REQUEST_TYPE_FAULT_FS, HSB_BAD_RESTRICTION_LIST_CODE, HSB_BAD_RESTRICTION_LIST_FAULT_FS, HSB_BAD_RESTRICTION_TYPE_CODE, HSB_BAD_RESTRICTION_TYPE_FAULT_FS, HSB_BAD_RESTRICTION_VALUE_CODE, HSB_BAD_RESTRICTION_VALUE_FAULT_FS, HSB_BAD_RESTRICTIONS_CODE, HSB_BAD_RESTRICTIONS_FAULT_FS, HSB_BAD_SOAP_BODY_CODE, HSB_BAD_SOAP_BODY_FAULT_FS, HSB_BAD_STATEMENT_CODE, HSB_BAD_STATEMENT_FAULT_FS, HSB_CONNECTION_DATA_SOURCE_CODE, HSB_CONNECTION_DATA_SOURCE_FAULT_FS, HSB_DISCOVER_FORMAT_CODE, HSB_DISCOVER_FORMAT_FAULT_FS, HSB_DISCOVER_UNPARSE_CODE, HSB_DISCOVER_UNPARSE_FAULT_FS, HSB_DRILL_THROUGH_FORMAT_CODE, HSB_DRILL_THROUGH_FORMAT_FAULT_FS, HSB_DRILL_THROUGH_NOT_ALLOWED_CODE, HSB_DRILL_THROUGH_NOT_ALLOWED_FAULT_FS, HSB_DRILL_THROUGH_SQL_CODE, HSB_DRILL_THROUGH_SQL_FAULT_FS, HSB_DRILLDOWN_BAD_FIRST_ROWSET_CODE, HSB_DRILLDOWN_BAD_FIRST_ROWSET_FAULT_FS, HSB_DRILLDOWN_BAD_MAXROWS_CODE, HSB_DRILLDOWN_BAD_MAXROWS_FAULT_FS, HSB_DRILLDOWN_ERROR_CODE, HSB_DRILLDOWN_ERROR_FAULT_FS, HSB_EXECUTE_QUERY_CODE, HSB_EXECUTE_QUERY_FAULT_FS, HSB_EXECUTE_UNPARSE_CODE, HSB_EXECUTE_UNPARSE_FAULT_FS, HSB_PARSE_QUERY_CODE, HSB_PARSE_QUERY_FAULT_FS, HSB_PROCESS_CODE, HSB_PROCESS_FAULT_FS, HSB_UNKNOWN_CODE, HSB_UNKNOWN_FAULT_FS, HSB_UNSUPPORTED_OPERATION_CODE, HSB_UNSUPPORTED_OPERATION_FAULT_FS, HSH_BAD_SESSION_ID_CODE, HSH_BAD_SESSION_ID_FAULT_FS, HSH_MUST_UNDERSTAND_CODE, HSH_MUST_UNDERSTAND_FAULT_FS, HSH_UNKNOWN_CODE, HSH_UNKNOWN_FAULT_FS, METHOD_DISCOVER, METHOD_EXECUTE, MONDRIAN_NAMESPACE, MSM_UNKNOWN_CODE, MSM_UNKNOWN_FAULT_FS, MUST_UNDERSTAND_FAULT_FC, NS_SOAP_ENC_1_1, NS_SOAP_ENC_1_2, NS_SOAP_ENV_1_1, NS_SOAP_ENV_1_2, NS_SQL, NS_XMLA, NS_XMLA_EMPTY, NS_XMLA_EX, NS_XMLA_MDDATASET, NS_XMLA_ROWSET, NS_XSD, NS_XSI, SERVER_FAULT_FC, SOAP_MUST_UNDERSTAND_ATTR, SOAP_PREFIX, UNKNOWN_ERROR_CODE, UNKNOWN_ERROR_FAULT_FS, USM_DOM_FACTORY_CODE, USM_DOM_FACTORY_FAULT_FS, USM_DOM_PARSE_CODE, USM_DOM_PARSE_FAULT_FS, USM_DOM_PARSE_IO_CODE, USM_DOM_PARSE_IO_FAULT_FS, USM_REQUEST_INPUT_CODE, USM_REQUEST_INPUT_FAULT_FS, USM_REQUEST_STATE_CODE, USM_REQUEST_STATE_FAULT_FS, USM_UNKNOWN_CODE, USM_UNKNOWN_FAULT_FS, VERSION_MISSMATCH_FAULT_FC, XMLA_BEGIN_SESSION, XMLA_END_SESSION, XMLA_SESSION, XMLA_SESSION_ID

Constructor Summary

DynamicDatasourceXmlaServlet()

Method Summary

(package private) boolean	areCatalogsEqual(DataSourcesConfig.Catalog catalog1, DataSourcesConfig.Catalog catalog2)
protected void	doPost(HttpServletRequest request, HttpServletResponse response) Main entry for HTTP post method
(package private) void	flushCatalog(String catalogName)
(package private) void	flushObsoleteCatalogs(DataSourcesConfig.DataSources newDataSources)
protected boolean	hasDataSourcesContentChanged(String dataSourcesConfigString)
protected DataSourcesConfig.DataSources	parseDataSourcesUrl(URL dataSourcesConfigUrl) Overides XmlaServlet.parseDataSourcesUrl to store dataSorucesConfigUrl, Datasoruces Configuration content
(package private) void	reloadDataSources() Checks for updates to datasources content, flushes obsolete catalogs

Methods inherited from class mondrian.xmla.impl.DefaultXmlaServlet

generateSessionId, getDocumentBuilderFactory, getSessionId, handleFault, handleSoapBody, handleSoapHeader, init, marshallSoapMessage, unmarshallSoapMessage

Methods inherited from class mondrian.xmla.XmlaServlet

addCallback, addToDataSources, getBooleanInitParameter, getCallbacks, getParameter, getXmlaHandler, initCallbacks, initCharEncodingHandler, makeCatalogLocator, makeDataSources, parseDataSources, readDataSourcesContent

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Field Detail

dataSourcesConfigUrl

protected URL dataSourcesConfigUrl

lastDataSourcesConfigString

protected String lastDataSourcesConfigString

Constructor Detail

DynamicDatasourceXmlaServlet

public DynamicDatasourceXmlaServlet()

Method Detail

doPost

protected void doPost(HttpServletRequest request,
                      HttpServletResponse response)
               throws ServletException,
                      IOException

Description copied from class: XmlaServlet

Main entry for HTTP post method

Overrides:

doPost in class XmlaServlet

Throws:

ServletException

IOException

reloadDataSources

void reloadDataSources()

Checks for updates to datasources content, flushes obsolete catalogs

hasDataSourcesContentChanged

protected boolean hasDataSourcesContentChanged(String dataSourcesConfigString)

parseDataSourcesUrl

protected DataSourcesConfig.DataSources parseDataSourcesUrl(URL dataSourcesConfigUrl)

Overides XmlaServlet.parseDataSourcesUrl to store dataSorucesConfigUrl, Datasoruces Configuration content

Overrides:

parseDataSourcesUrl in class XmlaServlet

Parameters:

dataSourcesConfigUrl -

flushObsoleteCatalogs

void flushObsoleteCatalogs(DataSourcesConfig.DataSources newDataSources)

flushCatalog

void flushCatalog(String catalogName)

areCatalogsEqual

boolean areCatalogsEqual(DataSourcesConfig.Catalog catalog1,
                         DataSourcesConfig.Catalog catalog2)