com.metamatrix.dqp.service
Interface ConfigurationService

All Superinterfaces:

ApplicationService, ClassLoaderManager

All Known Implementing Classes:

EmbeddedConfigurationService

public interface ConfigurationService
extends ApplicationService, ClassLoaderManager

Configuration Service, this is responsible for all the configuration for other services and also DQP configuration.

Since:

4.3

Field Summary

static java.lang.String	NEXT_VDB_VERSION
static java.lang.String	USER_DEFINED_FUNCTION_MODEL

Method Summary

ConnectorBinding	addConnectorBinding(java.lang.String connectorBindingName, ConnectorBinding binding, boolean replace) Add the connector binding to the persistent store
VDBArchive	addVDB(VDBArchive vdb, boolean replaceBindings) Add the VDB to the configuration
void	assignConnectorBinding(java.lang.String vdbName, java.lang.String version, java.lang.String modelName, ConnectorBinding[] bindings) Assign a connector binding to the Model
void	clearClassLoaderCache()
void	deleteConnectorBinding(java.lang.String connectorBindingName) Delete the connector binding from the persistent store
void	deleteConnectorType(java.lang.String connectorType) Delete the Given component type to the persistent store
void	deleteExtensionModule(java.lang.String extModuleName) Delete the extension module from the configuration with name supplied
void	deleteVDB(VDBArchive vdb) Delete the VDB from the underlying persistent mechanism used by this configuration service
java.lang.String	getBufferMemorySize() Size of Memory in MB allocated to be used by the Resultset Management before disk buffering kicks in.
java.lang.String	getClusterName()
java.net.URL	getConfigFile() Gets the reference URL to the Configuration File for the DQP.
java.lang.String	getConnectorBatchSize() Gets the connector batch size
ConnectorBinding	getConnectorBinding(java.lang.String connectorBindingName) get the connector binding from the persistent store
java.util.List<ConnectorBinding>	getConnectorBindings() Get the list of connector bindings available in the configuration.
ConnectorBindingType	getConnectorType(java.lang.String connectorType) Get Component type for the given id
java.util.List<ComponentType>	getConnectorTypes() Get list of all the connector types available in the System.
java.util.Properties	getDefaultProperties(ConnectorBindingType type) Get the default properties for the Connector type
java.io.File	getDiskBufferDirectory() Get the directory to use for the disk buffering
ExtensionModule	getExtensionModule(java.lang.String extModuleName) Get the extension module by the given identifier
java.util.List<ExtensionModule>	getExtensionModules() Get the list of extension modules available in the store
java.net.URL[]	getExtensionPath() Retun the context class path to be used by all the extension modules to use.
java.lang.String	getProcessName() Return some identifier which uniquely identifies the DQP.
java.lang.String	getProcessorBatchSize() Gets the processor batch size
SessionListener	getSessionListener() Client Connection Listener object for the service; This will get notifications about the connections currently available to DQP.
ConfigurationModelContainer	getSystemConfiguration() Get the system Configuration object loaded from the configuration object, this is currently only needed to support the exportConfiguration admin call.
java.util.Properties	getSystemProperties() Get DQP properties
java.net.URL	getSystemVdb() Get the VDB contents for the "System.VDB"
java.net.URL	getUDFFile() Get the user defined functions file name
VDBArchive	getVDB(java.lang.String vdbName, java.lang.String vdbVersion) Get the list of VDB files available with the Configuration Service, this includes all status (active, inactive)
java.net.URL[]	getVDBLocations() Get path(s) for VDB(s) that are availble from the configuration to the DQP engine.
java.util.List<VDBArchive>	getVDBs() Get a list of available VDBS from the configuration
boolean	isFullyConfiguredVDB(VDBArchive vdb)
void	loadUDF() Load the UDF function model
void	register(ConnectorBindingLifeCycleListener listener) Register a listener for the connector binding life cycle events, and get notified for when connector binding is loded and unloaded
void	register(VDBLifeCycleListener listener) Register a listener for the VDB life cycle events, and get notified for when vdb is loded and unloaded
void	saveConnectorType(ConnectorBindingType type) Add the Given component type to the persistent store
void	saveExtensionModule(ExtensionModule extModule) Save the given extension module
void	saveVDB(VDBArchive vdb, java.lang.String version) Save the given vdb file into underlying persistent mechanism used by this configuration service
void	setSystemProperty(java.lang.String key, java.lang.String value) Set System property (Contents of ServerConfig.xml file)
void	unloadUDF() Unload the User defined functions file.
void	unregister(ConnectorBindingLifeCycleListener listener)
void	unregister(VDBLifeCycleListener listener)
ConnectorBinding	updateConnectorBinding(ConnectorBinding binding) Update the Connector Binding, the assumption here that we kept the name same
void	updateSystemProperties(java.util.Properties properties) Set several System properties (Contents of ServerConfig.xml file).
boolean	useDiskBuffering() Use disk for buffering for result set management during the processing
boolean	useExtensionClasspath() Use the extension classpath defined in the connector bindins and load jars in different class loader or in the same class loader as calling code

Methods inherited from interface com.metamatrix.common.application.ApplicationService

initialize, start, stop

Methods inherited from interface com.metamatrix.common.application.ClassLoaderManager

getCommonClassLoader, getPostDelegationClassLoader

Field Detail

NEXT_VDB_VERSION

static final java.lang.String NEXT_VDB_VERSION

See Also:

Constant Field Values

USER_DEFINED_FUNCTION_MODEL

static final java.lang.String USER_DEFINED_FUNCTION_MODEL

See Also:

Constant Field Values

Method Detail

getSystemVdb

java.net.URL getSystemVdb()

Get the VDB contents for the "System.VDB"

Returns:

URL - URL to System.vdb file; null if one not found

getSystemProperties

java.util.Properties getSystemProperties()

Get DQP properties

Returns:

Properties - properties

Throws:

MetaMatrixComponentException

setSystemProperty

void setSystemProperty(java.lang.String key,
                       java.lang.String value)
                       throws MetaMatrixComponentException

Set System property (Contents of ServerConfig.xml file)

Parameters:

key -

value -

Throws:

MetaMatrixComponentException

updateSystemProperties

void updateSystemProperties(java.util.Properties properties)
                            throws MetaMatrixComponentException

Set several System properties (Contents of ServerConfig.xml file). Any properties not specified will remain unchanged.

Parameters:

properties - The properties to set.

Throws:

MetaMatrixComponentException

getSystemConfiguration

ConfigurationModelContainer getSystemConfiguration()
                                                   throws MetaMatrixComponentException

Get the system Configuration object loaded from the configuration object, this is currently only needed to support the exportConfiguration admin call.

Returns:

Throws:

MetaMatrixComponentException

Since:

4.3

getUDFFile

java.net.URL getUDFFile()

Get the user defined functions file name

Returns:

URL - URL to the User defined file; null if one not defined

saveVDB

void saveVDB(VDBArchive vdb,
             java.lang.String version)
             throws MetaMatrixComponentException

Save the given vdb file into underlying persistent mechanism used by this configuration service

Parameters:

vdb - - VDB to be saved

version - - Version to be saved as; when used text "NEXT_VDB_VERSION" as version save as the next available version.

Throws:

MetaMatrixComponentException

addVDB

VDBArchive addVDB(VDBArchive vdb,
                  boolean replaceBindings)
                  throws MetaMatrixComponentException

Add the VDB to the configuration

Parameters:

vdb - - vdb to be added

replaceBindings - - flag which specifies action to be taken in case there are conflicts in connector bindings.

Returns:

- added VDB instance.

Throws:

MetaMatrixComponentException

deleteVDB

void deleteVDB(VDBArchive vdb)
               throws MetaMatrixComponentException

Delete the VDB from the underlying persistent mechanism used by this configuration service

Parameters:

vdbName - - Name of the VDB

vdbVersion - - VDB version

Throws:

MetaMatrixComponentException

assignConnectorBinding

void assignConnectorBinding(java.lang.String vdbName,
                            java.lang.String version,
                            java.lang.String modelName,
                            ConnectorBinding[] bindings)
                            throws MetaMatrixComponentException

Assign a connector binding to the Model

Parameters:

vdbName - - Name of the VDB

version - - version of the VDB

modelName - - Model Name

bindings - - bindings to be assigned

Throws:

MetaMatrixComponentException

getVDB

VDBArchive getVDB(java.lang.String vdbName,
                  java.lang.String vdbVersion)
                  throws MetaMatrixComponentException

Get the list of VDB files available with the Configuration Service, this includes all status (active, inactive)

Parameters:

vdbName - - Name of the VDB

vdbVersio - - VDB version.

Returns:

VDBArchive

Throws:

MetaMatrixComponentException

getVDBs

java.util.List<VDBArchive> getVDBs()
                                   throws MetaMatrixComponentException

Get a list of available VDBS from the configuration

Returns:

list of VDBArchive

Throws:

MetaMatrixComponentException

Since:

4.3

addConnectorBinding

ConnectorBinding addConnectorBinding(java.lang.String connectorBindingName,
                                     ConnectorBinding binding,
                                     boolean replace)
                                     throws MetaMatrixComponentException

Add the connector binding to the persistent store

Parameters:

connectorBindingName - - Connector Binding Name

binding - - Connector binding to Add

replace - - flag to replace in case a duplicate found.

Throws:

MetaMatrixComponentException

deleteConnectorBinding

void deleteConnectorBinding(java.lang.String connectorBindingName)
                            throws MetaMatrixComponentException

Delete the connector binding from the persistent store

Parameters:

connectorBindingName - - Connector Binding Name

Throws:

MetaMatrixComponentException

getConnectorBinding

ConnectorBinding getConnectorBinding(java.lang.String connectorBindingName)
                                     throws MetaMatrixComponentException

get the connector binding from the persistent store

Parameters:

connectorBindingName - - Connector Binding Name

Returns:

Connector binding by the name given.

Throws:

MetaMatrixComponentException

getDefaultProperties

java.util.Properties getDefaultProperties(ConnectorBindingType type)

Get the default properties for the Connector type

Parameters:

type -

Returns:

properties

updateConnectorBinding

ConnectorBinding updateConnectorBinding(ConnectorBinding binding)
                                        throws MetaMatrixComponentException

Update the Connector Binding, the assumption here that we kept the name same

Parameters:

binding - - Connector Binding to be modified

Returns:

modified connector; usually same referenced object.

Throws:

MetaMatrixComponentException

getConnectorBindings

java.util.List<ConnectorBinding> getConnectorBindings()
                                                      throws MetaMatrixComponentException

Get the list of connector bindings available in the configuration.

Returns:

list of ConnectorBinding

Throws:

MetaMatrixComponentException

Since:

4.3

getConnectorType

ConnectorBindingType getConnectorType(java.lang.String connectorType)
                                      throws MetaMatrixComponentException

Get Component type for the given id

Parameters:

id -

Returns:

Throws:

MetaMatrixComponentException

saveConnectorType

void saveConnectorType(ConnectorBindingType type)
                       throws MetaMatrixComponentException

Add the Given component type to the persistent store

Parameters:

type -

Throws:

MetaMatrixComponentException

deleteConnectorType

void deleteConnectorType(java.lang.String connectorType)
                         throws MetaMatrixComponentException

Delete the Given component type to the persistent store

Parameters:

connectorType - - Name of the connector Type

Throws:

MetaMatrixComponentException

getConnectorTypes

java.util.List<ComponentType> getConnectorTypes()
                                                throws MetaMatrixComponentException

Get list of all the connector types available in the System.

Returns:

list of ComponentType

Throws:

MetaMatrixComponentException

getExtensionPath

java.net.URL[] getExtensionPath()

Retun the context class path to be used by all the extension modules to use. if one not specified a default must be supplied. Usally this is directory where all the extension jars are stored or a URL

Returns:

String URL - url to extension path; null if extensions are not used

Since:

4.3

getExtensionModules

java.util.List<ExtensionModule> getExtensionModules()
                                                    throws MetaMatrixComponentException

Get the list of extension modules available in the store

Returns:

list of Extension Modules ExtensionModule

Throws:

MetaMatrixComponentException

Since:

4.3

getExtensionModule

ExtensionModule getExtensionModule(java.lang.String extModuleName)
                                   throws MetaMatrixComponentException

Get the extension module by the given identifier

Parameters:

extModuleName - - Module name

Returns:

ExtensionModule; null if not found

Throws:

MetaMatrixComponentException

Since:

4.3

saveExtensionModule

void saveExtensionModule(ExtensionModule extModule)
                         throws MetaMatrixComponentException

Save the given extension module

Throws:

MetaMatrixComponentException

Since:

4.3

deleteExtensionModule

void deleteExtensionModule(java.lang.String extModuleName)
                           throws MetaMatrixComponentException

Delete the extension module from the configuration with name supplied

Parameters:

extModuleName - - extension module name

Throws:

MetaMatrixComponentException

Since:

4.3

getSessionListener

SessionListener getSessionListener()

Client Connection Listener object for the service; This will get notifications about the connections currently available to DQP.

Throws:

MetaMatrixComponentException

Since:

4.3.2

register

void register(VDBLifeCycleListener listener)

Register a listener for the VDB life cycle events, and get notified for when vdb is loded and unloaded

Parameters:

listener - - lister object

unregister

void unregister(VDBLifeCycleListener listener)

register

void register(ConnectorBindingLifeCycleListener listener)

Register a listener for the connector binding life cycle events, and get notified for when connector binding is loded and unloaded

Parameters:

listener - - lister object

unregister

void unregister(ConnectorBindingLifeCycleListener listener)

getConfigFile

java.net.URL getConfigFile()

Gets the reference URL to the Configuration File for the DQP.

Returns:

URL to configuration file; null otherwise

Since:

4.4

useExtensionClasspath

boolean useExtensionClasspath()

Use the extension classpath defined in the connector bindins and load jars in different class loader or in the same class loader as calling code

Returns:

true - to load different class loader, false otherwise

getVDBLocations

java.net.URL[] getVDBLocations()

Get path(s) for VDB(s) that are availble from the configuration to the DQP engine.

Returns:

URLs to the resources.

useDiskBuffering

boolean useDiskBuffering()

Use disk for buffering for result set management during the processing

Returns:

true if yes to use buffering; false otherwise

getDiskBufferDirectory

java.io.File getDiskBufferDirectory()

Get the directory to use for the disk buffering

Returns:

must a return a location

getBufferMemorySize

java.lang.String getBufferMemorySize()

Size of Memory in MB allocated to be used by the Resultset Management before disk buffering kicks in.

Returns:

must a return a location

getProcessName

java.lang.String getProcessName()

Return some identifier which uniquely identifies the DQP. Usually this is name given to this process

Returns:

unique number for DQP in a given JVM

getProcessorBatchSize

java.lang.String getProcessorBatchSize()

Gets the processor batch size

Returns:

Since:

4.3

getConnectorBatchSize

java.lang.String getConnectorBatchSize()

Gets the connector batch size

Returns:

Since:

4.3

unloadUDF

void unloadUDF()
               throws MetaMatrixComponentException

Unload the User defined functions file.

Throws:

MetaMatrixComponentException

loadUDF

void loadUDF()
             throws MetaMatrixComponentException

Load the UDF function model

Throws:

MetaMatrixComponentException

clearClassLoaderCache

void clearClassLoaderCache()
                           throws MetaMatrixComponentException

Throws:

MetaMatrixComponentException

isFullyConfiguredVDB

boolean isFullyConfiguredVDB(VDBArchive vdb)
                             throws MetaMatrixComponentException

Throws:

MetaMatrixComponentException

getClusterName

java.lang.String getClusterName()