org.odpi.openmetadata.accessservices.dataengine.server.handlers

Class DataEngineDataFileHandler

java.lang.Object

org.odpi.openmetadata.accessservices.dataengine.server.handlers.DataEngineDataFileHandler

public class DataEngineDataFileHandler
extends Object

DataFileHandler manages DataFile objects from the property server. It runs server-side in the DataEngine OMAS and creates DataFile entities with wire relationships through the OMRSRepositoryConnector.

Constructor Summary

Constructors

Constructor and Description

DataEngineDataFileHandler(InvalidParameterHandler invalidParameterHandler, OMRSRepositoryHelper repositoryHelper, DataEngineCommonHandler dataEngineCommonHandler, AssetHandler<DataFile> fileHandler, DataEngineSchemaTypeHandler dataEngineSchemaTypeHandler, DataEngineFolderHierarchyHandler dataEngineFolderHierarchyHandler, DataEngineConnectionAndEndpointHandler dataEngineConnectionAndEndpointHandler) Construct the handler information needed to interact with the repository services

Method Summary

Modifier and Type	Method and Description
String	upsertFileAssetIntoCatalog(String fileTypeName, String fileTypeGuid, DataFile file, SchemaType schemaType, List<Attribute> columns, Map<String,Object> extendedProperties, String externalSourceGuid, String externalSourceName, String userId, String methodName) Constructs a DataFile or CSVFile, its specific TabularSchemaType and its TabularColumns.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataEngineDataFileHandler

public DataEngineDataFileHandler(InvalidParameterHandler invalidParameterHandler,
                                 OMRSRepositoryHelper repositoryHelper,
                                 DataEngineCommonHandler dataEngineCommonHandler,
                                 AssetHandler<DataFile> fileHandler,
                                 DataEngineSchemaTypeHandler dataEngineSchemaTypeHandler,
                                 DataEngineFolderHierarchyHandler dataEngineFolderHierarchyHandler,
                                 DataEngineConnectionAndEndpointHandler dataEngineConnectionAndEndpointHandler)

Construct the handler information needed to interact with the repository services

Parameters:

invalidParameterHandler - handler for managing parameter errors

repositoryHelper - provides utilities for manipulating the repository services objects

dataEngineCommonHandler - provides common Data Engine Omas utilities

fileHandler - provides utilities specific for manipulating DataFile and CSVFile

dataEngineSchemaTypeHandler - provides utilities specific for manipulating SchemaType

dataEngineFolderHierarchyHandler - provides utilities specific for manipulating FileFolder

Method Detail

upsertFileAssetIntoCatalog

public String upsertFileAssetIntoCatalog(String fileTypeName,
                                         String fileTypeGuid,
                                         DataFile file,
                                         SchemaType schemaType,
                                         List<Attribute> columns,
                                         Map<String,Object> extendedProperties,
                                         String externalSourceGuid,
                                         String externalSourceName,
                                         String userId,
                                         String methodName)
                                  throws InvalidParameterException,
                                         PropertyServerException,
                                         UserNotAuthorizedException

Constructs a DataFile or CSVFile, its specific TabularSchemaType and its TabularColumns. It also calls for the creation of its folder structure, the Connection and Endpoint

Parameters:

fileTypeName - file type name

fileTypeGuid - file type guid

file - actual data file

schemaType - file schema

columns - file columns

extendedProperties - extended properties

externalSourceGuid - external source guid

externalSourceName - external source name

userId - user id

methodName - method name

Returns:

guid of data file

Throws:

InvalidParameterException - if invalid parameters

PropertyServerException - if errors in repository

UserNotAuthorizedException - if user not authorized