Package org.odpi.openmetadata.frameworks.discovery

Class DiscoveryEngine

java.lang.Object

org.odpi.openmetadata.frameworks.discovery.DiscoveryEngine

Direct Known Subclasses:

AssetAnalysisClient

public abstract class DiscoveryEngine
extends Object

DiscoveryEngine provides the interface for a discovery engine. The discovery engine runs inside a discovery server. The discovery server provides the server runtime environment for the discovery engine along with the interfaces for configuring the discovery engine.

Constructor Summary

Constructors

Constructor	Description
DiscoveryEngine()

Method Summary

Modifier and Type	Method	Description
abstract String	discoverAsset(String userId, String assetGUID, String assetDiscoveryType)	Request the execution of a discovery service to explore a specific asset.
abstract String	discoverAsset(String userId, String assetGUID, String assetDiscoveryType, Map<String,String> analysisParameters)	Request the execution of a discovery service to explore a specific asset.
abstract String	discoverAsset(String userId, String assetGUID, String assetDiscoveryType, Map<String,String> analysisParameters, List<String> annotationTypes)	Request the execution of a discovery service to explore a specific asset.
abstract Annotation	getAnnotation(String userId, String annotationGUID)	Retrieve a single annotation by unique identifier.
abstract DiscoveryAnalysisReport	getDiscoveryReport(String userId, String discoveryRequestGUID)	Request the discovery report for a discovery request that has completed.
abstract List<Annotation>	getDiscoveryReportAnnotations(String userId, String discoveryRequestGUID, int startingFrom, int maximumResults)	Return the annotations linked direction to the report.
abstract DiscoveryRequestStatus	getDiscoveryStatus(String userId, String discoveryRequestGUID)	Request the status of an executing discovery request.
abstract List<Annotation>	getExtendedAnnotations(String userId, String annotationGUID, int startingFrom, int maximumResults)	Return any annotations attached to this annotation.
abstract void	scanAllAssets(String userId, String assetDiscoveryType, Map<String,String> analysisParameters, List<String> annotationTypes)	Explore each of the assets in the asset store.

Methods inherited from class java.lang.Object

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

Constructor Details

DiscoveryEngine

public DiscoveryEngine()

Method Details

discoverAsset

public abstract String discoverAsset(String userId,
 String assetGUID,
 String assetDiscoveryType)
                              throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Request the execution of a discovery service to explore a specific asset.

Parameters:

userId - identifier of calling user

assetGUID - identifier of the asset to analyze.

assetDiscoveryType - identifier of the type of analysis - this determines which discovery service to run.

Returns:

unique id for the discovery request.

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.

discoverAsset

public abstract String discoverAsset(String userId,
 String assetGUID,
 String assetDiscoveryType,
 Map<String,String> analysisParameters)
                              throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Request the execution of a discovery service to explore a specific asset.

Parameters:

userId - identifier of calling user

assetGUID - identifier of the asset to analyze.

assetDiscoveryType - identifier of the type of analysis - this determines which discovery service to run.

analysisParameters - name value properties to control the analysis

Returns:

unique id for the discovery request.

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.

discoverAsset

public abstract String discoverAsset(String userId,
 String assetGUID,
 String assetDiscoveryType,
 Map<String,String> analysisParameters,
 List<String> annotationTypes)
                              throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Request the execution of a discovery service to explore a specific asset.

Parameters:

userId - identifier of calling user

assetGUID - identifier of the asset to analyze.

assetDiscoveryType - identifier of the type of analysis - this determines which discovery service to run.

analysisParameters - name value properties to control the analysis

annotationTypes - list of the types of annotations to produce (and no others)

Returns:

unique id for the discovery request.

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.

scanAllAssets

public abstract void scanAllAssets(String userId,
 String assetDiscoveryType,
 Map<String,String> analysisParameters,
 List<String> annotationTypes)
                            throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Explore each of the assets in the asset store. A new instance of the discovery service is started for each retrieved asset.

Parameters:

userId - identifier of calling user

assetDiscoveryType - identifier of the type of analysis - this determines which discovery service to run.

analysisParameters - name value properties to control the analysis

annotationTypes - list of the types of annotations to produce (and no others)

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.

getDiscoveryStatus

public abstract DiscoveryRequestStatus getDiscoveryStatus(String userId,
 String discoveryRequestGUID)
                                                   throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Request the status of an executing discovery request.

Parameters:

userId - identifier of calling user

discoveryRequestGUID - identifier of the discovery request.

Returns:

status enum

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.

getDiscoveryReport

public abstract DiscoveryAnalysisReport getDiscoveryReport(String userId,
 String discoveryRequestGUID)
                                                    throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Request the discovery report for a discovery request that has completed.

Parameters:

userId - identifier of calling user

discoveryRequestGUID - identifier of the discovery request.

Returns:

discovery report

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.

getDiscoveryReportAnnotations

public abstract List<Annotation> getDiscoveryReportAnnotations(String userId,
 String discoveryRequestGUID,
 int startingFrom,
 int maximumResults)
                                                        throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Return the annotations linked direction to the report.

Parameters:

userId - identifier of calling user

discoveryRequestGUID - identifier of the discovery request.

startingFrom - initial position in the stored list.

maximumResults - maximum number of definitions to return on this call.

Returns:

list of annotations

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.

getExtendedAnnotations

public abstract List<Annotation> getExtendedAnnotations(String userId,
 String annotationGUID,
 int startingFrom,
 int maximumResults)
                                                 throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Return any annotations attached to this annotation.

Parameters:

userId - identifier of calling user

annotationGUID - anchor annotation

startingFrom - starting position in the list

maximumResults - maximum number of annotations that can be returned.

Returns:

list of Annotation objects

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.

getAnnotation

public abstract Annotation getAnnotation(String userId,
 String annotationGUID)
                                  throws InvalidParameterException,
UserNotAuthorizedException,
DiscoveryEngineException

Retrieve a single annotation by unique identifier. This call is typically used to retrieve the latest values for an annotation.

Parameters:

userId - identifier of calling user

annotationGUID - unique identifier of the annotation

Returns:

Annotation object

Throws:

InvalidParameterException - one of the parameters is null or invalid.

UserNotAuthorizedException - user not authorized to issue this request.

DiscoveryEngineException - there was a problem detected by the discovery engine.