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Server side implementation of the asset analysis engine services (heart of the automated metadata discovery services).
/* SPDX-License-Identifier: Apache 2.0 */
/* Copyright Contributors to the ODPi Egeria project. */
package org.odpi.openmetadata.engineservices.assetanalysis.server;
import org.odpi.openmetadata.accessservices.discoveryengine.rest.AnnotationListResponse;
import org.odpi.openmetadata.accessservices.discoveryengine.rest.AnnotationResponse;
import org.odpi.openmetadata.accessservices.discoveryengine.rest.DiscoveryAnalysisReportResponse;
import org.odpi.openmetadata.accessservices.discoveryengine.rest.DiscoveryRequestRequestBody;
import org.odpi.openmetadata.commonservices.ffdc.RESTCallLogger;
import org.odpi.openmetadata.commonservices.ffdc.RESTCallToken;
import org.odpi.openmetadata.commonservices.ffdc.RESTExceptionHandler;
import org.odpi.openmetadata.commonservices.ffdc.rest.GUIDResponse;
import org.odpi.openmetadata.commonservices.ffdc.rest.VoidResponse;
import org.odpi.openmetadata.frameworks.auditlog.AuditLog;
import org.odpi.openmetadata.engineservices.assetanalysis.handlers.DiscoveryEngineHandler;
import org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException;
import org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException;
import org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException;
import org.slf4j.LoggerFactory;
/**
* AssetAnalysisRESTServices provides the external service implementation for a discovery engine.
* Each method contains the engine host server name and the discovery engine identifier (guid).
* The AssetAnalysisRESTServices locates the correct discovery engine instance within the correct
* engine host server instance and delegates the request.
*/
public class AssetAnalysisRESTServices
{
private static AssetAnalysisInstanceHandler instanceHandler = new AssetAnalysisInstanceHandler();
private static RESTCallLogger restCallLogger = new RESTCallLogger(LoggerFactory.getLogger(AssetAnalysisRESTServices.class),
instanceHandler.getServiceName());
private RESTExceptionHandler restExceptionHandler = new RESTExceptionHandler();
/**
* Request the execution of a discovery service to explore a specific asset.
*
* @param serverName name of the engine host server.
* @param discoveryEngineName unique name of the discovery engine.
* @param userId identifier of calling user
* @param assetGUID identifier of the asset to analyze.
* @param discoveryRequestType identifier of the type of asset to analyze - this determines which discovery service to run.
* @param requestBody containing analysisParameters and annotationTypes
*
* @return unique id for the discovery request or
*
* InvalidParameterException one of the parameters is null or invalid or
* UserNotAuthorizedException user not authorized to issue this request or
* DiscoveryEngineException there was a problem detected by the discovery engine.
*/
public GUIDResponse discoverAsset(String serverName,
String discoveryEngineName,
String userId,
String assetGUID,
String discoveryRequestType,
DiscoveryRequestRequestBody requestBody)
{
final String methodName = "discoverAsset";
RESTCallToken token = restCallLogger.logRESTCall(serverName, userId, methodName);
GUIDResponse response = new GUIDResponse();
AuditLog auditLog = null;
try
{
DiscoveryEngineHandler handler = instanceHandler.getDiscoveryEngineHandler(userId,
serverName,
discoveryEngineName,
methodName);
if (requestBody == null)
{
restExceptionHandler.handleNoRequestBody(userId, methodName, serverName);
}
else
{
auditLog = instanceHandler.getAuditLog(userId, serverName, methodName);
response.setGUID(handler.discoverAsset(assetGUID,
discoveryRequestType,
requestBody.getAnalysisParameters(),
requestBody.getAnnotationTypes()));
}
}
catch (InvalidParameterException error)
{
restExceptionHandler.captureInvalidParameterException(response, error);
}
catch (PropertyServerException error)
{
restExceptionHandler.capturePropertyServerException(response, error);
}
catch (UserNotAuthorizedException error)
{
restExceptionHandler.captureUserNotAuthorizedException(response, error);
}
catch (Throwable error)
{
restExceptionHandler.captureThrowable(response, error, methodName, auditLog);
}
restCallLogger.logRESTCallReturn(token, response.toString());
return response;
}
/**
* Request the execution of a discovery service to explore a specific asset.
*
* @param serverName name of the engine host server.
* @param discoveryEngineName unique name of the discovery engine.
* @param userId identifier of calling user
* @param discoveryRequestType identifier of the type of asset to analyze - this determines which discovery service to run.
* @param requestBody containing analysisParameters and annotationTypes
*
* @return void or
*
* InvalidParameterException one of the parameters is null or invalid or
* UserNotAuthorizedException user not authorized to issue this request or
* DiscoveryEngineException there was a problem detected by the discovery engine.
*/
public VoidResponse scanAllAssets(String serverName,
String discoveryEngineName,
String userId,
String discoveryRequestType,
DiscoveryRequestRequestBody requestBody)
{
final String methodName = "scanAllAssets";
RESTCallToken token = restCallLogger.logRESTCall(serverName, userId, methodName);
VoidResponse response = new VoidResponse();
AuditLog auditLog = null;
try
{
DiscoveryEngineHandler handler = instanceHandler.getDiscoveryEngineHandler(userId,
serverName,
discoveryEngineName,
methodName);
if (requestBody == null)
{
restExceptionHandler.handleNoRequestBody(userId, methodName, serverName);
}
else
{
auditLog = instanceHandler.getAuditLog(userId, serverName, methodName);
handler.scanAllAssets(discoveryRequestType,
requestBody.getAnalysisParameters(),
requestBody.getAnnotationTypes());
}
}
catch (InvalidParameterException error)
{
restExceptionHandler.captureInvalidParameterException(response, error);
}
catch (PropertyServerException error)
{
restExceptionHandler.capturePropertyServerException(response, error);
}
catch (UserNotAuthorizedException error)
{
restExceptionHandler.captureUserNotAuthorizedException(response, error);
}
catch (Throwable error)
{
restExceptionHandler.captureThrowable(response, error, methodName, auditLog);
}
restCallLogger.logRESTCallReturn(token, response.toString());
return response;
}
/**
* Request the discovery report for a discovery request that has completed.
*
* @param serverName name of the engine host server.
* @param discoveryEngineName unique name of the discovery engine.
* @param userId calling user
* @param discoveryRequestGUID identifier of the discovery request.
*
* @return discovery report or
*
* DiscoveryEngineException there was a problem detected by the discovery engine.
*/
public DiscoveryAnalysisReportResponse getDiscoveryAnalysisReport(String serverName,
String discoveryEngineName,
String userId,
String discoveryRequestGUID)
{
final String methodName = "getDiscoveryAnalysisReport";
RESTCallToken token = restCallLogger.logRESTCall(serverName, userId, methodName);
DiscoveryAnalysisReportResponse response = new DiscoveryAnalysisReportResponse();
AuditLog auditLog = null;
try
{
DiscoveryEngineHandler handler = instanceHandler.getDiscoveryEngineHandler(userId,
serverName,
discoveryEngineName,
methodName);
auditLog = instanceHandler.getAuditLog(userId, serverName, methodName);
response.setAnalysisReport(handler.getDiscoveryReport(discoveryRequestGUID));
}
catch (InvalidParameterException error)
{
restExceptionHandler.captureInvalidParameterException(response, error);
}
catch (PropertyServerException error)
{
restExceptionHandler.capturePropertyServerException(response, error);
}
catch (UserNotAuthorizedException error)
{
restExceptionHandler.captureUserNotAuthorizedException(response, error);
}
catch (Throwable error)
{
restExceptionHandler.captureThrowable(response, error, methodName, auditLog);
}
restCallLogger.logRESTCallReturn(token, response.toString());
return response;
}
/**
* Return the annotations linked direction to the report.
*
* @param serverName name of the engine host server.
* @param discoveryEngineName unique name of the discovery engine.
* @param userId calling user
* @param discoveryRequestGUID identifier of the discovery request.
* @param startingFrom initial position in the stored list.
* @param maximumResults maximum number of definitions to return on this call.
*
* @return list of annotations or
*
* DiscoveryEngineException there was a problem detected by the discovery engine.
*/
public AnnotationListResponse getDiscoveryReportAnnotations(String serverName,
String discoveryEngineName,
String userId,
String discoveryRequestGUID,
int startingFrom,
int maximumResults)
{
final String methodName = "getDiscoveryReportAnnotations";
RESTCallToken token = restCallLogger.logRESTCall(serverName, userId, methodName);
AnnotationListResponse response = new AnnotationListResponse();
AuditLog auditLog = null;
try
{
DiscoveryEngineHandler handler = instanceHandler.getDiscoveryEngineHandler(userId,
serverName,
discoveryEngineName,
methodName);
auditLog = instanceHandler.getAuditLog(userId, serverName, methodName);
response.setAnnotations(handler.getDiscoveryReportAnnotations(discoveryRequestGUID, startingFrom, maximumResults));
}
catch (InvalidParameterException error)
{
restExceptionHandler.captureInvalidParameterException(response, error);
}
catch (PropertyServerException error)
{
restExceptionHandler.capturePropertyServerException(response, error);
}
catch (UserNotAuthorizedException error)
{
restExceptionHandler.captureUserNotAuthorizedException(response, error);
}
catch (Throwable error)
{
restExceptionHandler.captureThrowable(response, error, methodName, auditLog);
}
restCallLogger.logRESTCallReturn(token, response.toString());
return response;
}
/**
* Return any annotations attached to this annotation.
*
* @param serverName name of the engine host server.
* @param discoveryEngineName unique name of the discovery engine.
* @param userId calling user
* @param annotationGUID anchor annotation
* @param startingFrom starting position in the list
* @param maximumResults maximum number of annotations that can be returned.
*
* @return list of Annotation objects or
*
* DiscoveryEngineException there was a problem detected by the discovery engine.
*/
public AnnotationListResponse getExtendedAnnotations(String serverName,
String discoveryEngineName,
String userId,
String annotationGUID,
int startingFrom,
int maximumResults)
{
final String methodName = "getExtendedAnnotations";
RESTCallToken token = restCallLogger.logRESTCall(serverName, userId, methodName);
AnnotationListResponse response = new AnnotationListResponse();
AuditLog auditLog = null;
try
{
DiscoveryEngineHandler handler = instanceHandler.getDiscoveryEngineHandler(userId,
serverName,
discoveryEngineName,
methodName);
auditLog = instanceHandler.getAuditLog(userId, serverName, methodName);
response.setAnnotations(handler.getExtendedAnnotations(annotationGUID, startingFrom, maximumResults));
}
catch (InvalidParameterException error)
{
restExceptionHandler.captureInvalidParameterException(response, error);
}
catch (PropertyServerException error)
{
restExceptionHandler.capturePropertyServerException(response, error);
}
catch (UserNotAuthorizedException error)
{
restExceptionHandler.captureUserNotAuthorizedException(response, error);
}
catch (Throwable error)
{
restExceptionHandler.captureThrowable(response, error, methodName, auditLog);
}
restCallLogger.logRESTCallReturn(token, response.toString());
return response;
}
/**
* Retrieve a single annotation by unique identifier. This call is typically used to retrieve the latest values
* for an annotation.
*
* @param serverName name of the engine host server.
* @param discoveryEngineName unique name of the discovery engine.
* @param userId calling user
* @param annotationGUID unique identifier of the annotation
*
* @return Annotation object or
*
* DiscoveryEngineException there was a problem detected by the discovery engine.
*/
public AnnotationResponse getAnnotation(String serverName,
String discoveryEngineName,
String userId,
String annotationGUID)
{
final String methodName = "getAnnotation";
RESTCallToken token = restCallLogger.logRESTCall(serverName, userId, methodName);
AnnotationResponse response = new AnnotationResponse();
AuditLog auditLog = null;
try
{
DiscoveryEngineHandler handler = instanceHandler.getDiscoveryEngineHandler(userId,
serverName,
discoveryEngineName,
methodName);
auditLog = instanceHandler.getAuditLog(userId, serverName, methodName);
response.setAnnotation(handler.getAnnotation(annotationGUID));
}
catch (InvalidParameterException error)
{
restExceptionHandler.captureInvalidParameterException(response, error);
}
catch (PropertyServerException error)
{
restExceptionHandler.capturePropertyServerException(response, error);
}
catch (UserNotAuthorizedException error)
{
restExceptionHandler.captureUserNotAuthorizedException(response, error);
}
catch (Throwable error)
{
restExceptionHandler.captureThrowable(response, error, methodName, auditLog);
}
restCallLogger.logRESTCallReturn(token, response.toString());
return response;
}
}
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