Package org.odpi.openmetadata.frameworkservices.oif.client

Class OpenIntegrationServiceBase

java.lang.Object
org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
org.odpi.openmetadata.frameworkservices.oif.client.OpenIntegrationServiceBase
public class OpenIntegrationServiceBase extends org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
OpenIntegrationServiceBase supports the open integration interface.

  • Constructor Summary

    Constructors
    Constructor
    Description
    OpenIntegrationServiceBase(String serviceURLMarker, String serverName, String serverPlatformURLRoot, int maxPageSize)
    Create a new client with no authentication embedded in the HTTP request.
    OpenIntegrationServiceBase(String serviceURLMarker, String serverName, String serverPlatformURLRoot, String serverUserId, String serverPassword, int maxPageSize)
    Create a new client that passes userId and password in each HTTP request.
    OpenIntegrationServiceBase(String serviceURLMarker, String serverName, String serverPlatformURLRoot, OpenIntegrationRESTClient restClient, int maxPageSize)
    Create a new client that passes userId and password in each HTTP request.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    addCatalogTarget(String userId, String integrationConnectorGUID, String metadataElementGUID, org.odpi.openmetadata.frameworks.integration.properties.CatalogTargetProperties properties)
    Add a catalog target to an integration connector.
    String
    createMetadataSource(String userId, String softwareCapabilityTypeName, String classificationName, String qualifiedName, String deployedImplementationType)
    Create a new metadata element to represent a software capability.
    org.odpi.openmetadata.frameworks.connectors.properties.AssetUniverse
    getAssetProperties(String userId, String assetGUID)
    Returns a comprehensive collection of properties about the requested asset.
    org.odpi.openmetadata.frameworks.integration.properties.CatalogTarget
    getCatalogTarget(String userId, String integrationConnectorGUID, String metadataElementGUID)
    Retrieve a specific catalog target associated with an integration connector.
    List<org.odpi.openmetadata.frameworks.integration.properties.CatalogTarget>
    getCatalogTargets(String userId, String integrationConnectorGUID, int startingFrom, int maximumResults)
    Retrieve the identifiers of the metadata elements identified as catalog targets with an integration connector.
    org.odpi.openmetadata.frameworks.connectors.Connector
    getConnectorToAsset(String userId, String assetGUID)
    Return the connector to the requested asset.
    org.odpi.openmetadata.frameworks.integration.properties.IntegrationReport
    getIntegrationReport(String userId, String reportGUID)
    Retrieve a specific integration report by unique identifier.
    List<org.odpi.openmetadata.frameworks.integration.properties.IntegrationReport>
    getIntegrationReports(String userId, Date afterCompletionDate, Date beforeStartDate, int startingFrom, int maximumResults)
    Retrieve the published integration reports.
    List<org.odpi.openmetadata.frameworks.integration.properties.IntegrationReport>
    getIntegrationReportsForElement(String userId, String elementGUID, Date afterCompletionDate, Date beforeStartDate, int startingFrom, int maximumResults)
    Retrieve the integration reports attached to an element.
    String
    getMetadataSourceGUID(String userId, String qualifiedName)
    Retrieve the unique identifier of the metadata element that represents the metadata source.
    void
    publishIntegrationReport(String userId, String elementGUID, org.odpi.openmetadata.frameworks.integration.properties.IntegrationReportProperties properties)
    Create a new integration report for an element (identified by elementGUID).
    void
    removeCatalogTarget(String userId, String integrationConnectorGUID, String metadataElementGUID)
    Unregister a catalog target from the integration connector.
    String
    saveConnection(String userId, String assetGUID, org.odpi.openmetadata.frameworks.connectors.properties.beans.Connection connection)
    Returns the unique identifier corresponding to the supplied connection.
    String
    saveConnection(String userId, org.odpi.openmetadata.frameworks.connectors.properties.beans.Connection connection)
    Returns the unique identifier corresponding to the supplied connection.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • OpenIntegrationServiceBase

      public OpenIntegrationServiceBase(String serviceURLMarker, String serverName, String serverPlatformURLRoot, int maxPageSize) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException
      Create a new client with no authentication embedded in the HTTP request.
      Parameters:
      serviceURLMarker - the identifier of the access service (for example asset-owner for the Asset Owner OMAS)
      serverName - name of the server to connect to
      serverPlatformURLRoot - the network address of the server running the OMAS REST services
      maxPageSize - maximum value allowed for page size
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - there is a problem creating the client-side components to issue any REST API calls.

    • OpenIntegrationServiceBase

      public OpenIntegrationServiceBase(String serviceURLMarker, String serverName, String serverPlatformURLRoot, String serverUserId, String serverPassword, int maxPageSize) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException
      Create a new client that passes userId and password in each HTTP request. This is the userId/password of the calling server. The end user's userId is sent on each request.
      Parameters:
      serviceURLMarker - the identifier of the access service (for example asset-owner for the Asset Owner OMAS)
      serverName - name of the server to connect to
      serverPlatformURLRoot - the network address of the server running the OMAS REST services
      serverUserId - caller's userId embedded in all HTTP requests
      serverPassword - caller's password embedded in all HTTP requests
      maxPageSize - maximum value allowed for page size
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - there is a problem creating the client-side components to issue any REST API calls.

    • OpenIntegrationServiceBase

      public OpenIntegrationServiceBase(String serviceURLMarker, String serverName, String serverPlatformURLRoot, OpenIntegrationRESTClient restClient, int maxPageSize) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException
      Create a new client that passes userId and password in each HTTP request. This is the userId/password of the calling server. The end user's userId is sent on each request.
      Parameters:
      serviceURLMarker - the identifier of the access service (for example asset-owner for the Asset Owner OMAS)
      serverName - name of the server to connect to
      serverPlatformURLRoot - the network address of the server running the OMAS REST services
      restClient - pre-initialized REST client
      maxPageSize - pre-initialized parameter limit
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - there is a problem with the information about the remote OMAS

  • Method Details

    • getMetadataSourceGUID

      public String getMetadataSourceGUID(String userId, String qualifiedName) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Retrieve the unique identifier of the metadata element that represents the metadata source.
      Specified by:
      getMetadataSourceGUID in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - calling user
      qualifiedName - unique name of the metadata source
      Returns:
      unique identifier of the metadata source
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - the bean properties are invalid
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem accessing the property server

    • createMetadataSource

      public String createMetadataSource(String userId, String softwareCapabilityTypeName, String classificationName, String qualifiedName, String deployedImplementationType) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Create a new metadata element to represent a software capability. This describes the metadata source.
      Specified by:
      createMetadataSource in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - calling user
      softwareCapabilityTypeName - name of software capability type to describe the metadata source
      classificationName - optional classification name that refines the type of the software capability.
      qualifiedName - unique name for the external source
      deployedImplementationType - type of technology
      Returns:
      unique identifier of the new metadata element
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is invalid
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - the user is not authorized to issue this request
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - there is a problem reported in the open metadata server(s)

    • addCatalogTarget

      public void addCatalogTarget(String userId, String integrationConnectorGUID, String metadataElementGUID, org.odpi.openmetadata.frameworks.integration.properties.CatalogTargetProperties properties) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Add a catalog target to an integration connector.
      Specified by:
      addCatalogTarget in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - identifier of calling user.
      integrationConnectorGUID - unique identifier of the integration service.
      metadataElementGUID - unique identifier of the metadata element that is a catalog target.
      properties - properties for the relationship.
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid.
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem storing the catalog target definition.

    • getCatalogTarget

      public org.odpi.openmetadata.frameworks.integration.properties.CatalogTarget getCatalogTarget(String userId, String integrationConnectorGUID, String metadataElementGUID) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Retrieve a specific catalog target associated with an integration connector.
      Specified by:
      getCatalogTarget in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - identifier of calling user.
      integrationConnectorGUID - unique identifier of the integration service.
      metadataElementGUID - unique identifier of the metadata element that is a catalog target.
      Returns:
      details of the integration connector and the elements it is to catalog
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid.
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem retrieving the integration connector definition.

    • getCatalogTargets

      public List<org.odpi.openmetadata.frameworks.integration.properties.CatalogTarget> getCatalogTargets(String userId, String integrationConnectorGUID, int startingFrom, int maximumResults) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Retrieve the identifiers of the metadata elements identified as catalog targets with an integration connector.
      Specified by:
      getCatalogTargets in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - identifier of calling user.
      integrationConnectorGUID - unique identifier of the integration connector.
      startingFrom - initial position in the stored list.
      maximumResults - maximum number of definitions to return on this call.
      Returns:
      list of named elements
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid,
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem retrieving the integration connector definition.

    • removeCatalogTarget

      public void removeCatalogTarget(String userId, String integrationConnectorGUID, String metadataElementGUID) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Unregister a catalog target from the integration connector.
      Specified by:
      removeCatalogTarget in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - identifier of calling user.
      integrationConnectorGUID - unique identifier of the integration connector.
      metadataElementGUID - unique identifier of the metadata element.
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid.
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem accessing/updating the integration connector definition.

    • publishIntegrationReport

      public void publishIntegrationReport(String userId, String elementGUID, org.odpi.openmetadata.frameworks.integration.properties.IntegrationReportProperties properties) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Create a new integration report for an element (identified by elementGUID).
      Specified by:
      publishIntegrationReport in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - calling user
      elementGUID - element to attach the integration report to
      properties - properties of the report
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid,
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem with the metadata server.

    • getIntegrationReport

      public org.odpi.openmetadata.frameworks.integration.properties.IntegrationReport getIntegrationReport(String userId, String reportGUID) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Retrieve a specific integration report by unique identifier.
      Specified by:
      getIntegrationReport in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - calling user
      reportGUID - unique identifier of the integration report
      Returns:
      report or null
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid,
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem with the metadata server.

    • getIntegrationReportsForElement

      public List<org.odpi.openmetadata.frameworks.integration.properties.IntegrationReport> getIntegrationReportsForElement(String userId, String elementGUID, Date afterCompletionDate, Date beforeStartDate, int startingFrom, int maximumResults) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Retrieve the integration reports attached to an element. The list can be filtered by start and completion date of the report along with the paging options if there are many integration reports.
      Specified by:
      getIntegrationReportsForElement in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - calling user
      elementGUID - calling user
      afterCompletionDate - restrict reports to those that completed after the requested time (null for any completion time).
      beforeStartDate - restrict reports to those that started before the requested time (null for any start time).
      startingFrom - initial position in the stored list.
      maximumResults - maximum number of definitions to return on this call.
      Returns:
      list of qualifying reports
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid,
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem with the metadata server.

    • getIntegrationReports

      public List<org.odpi.openmetadata.frameworks.integration.properties.IntegrationReport> getIntegrationReports(String userId, Date afterCompletionDate, Date beforeStartDate, int startingFrom, int maximumResults) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException
      Retrieve the published integration reports. The list can be filtered by start and completion date of the report along with the paging options if there are many integration reports.
      Specified by:
      getIntegrationReports in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      userId - calling user
      afterCompletionDate - restrict reports to those that completed after the requested time (null for any completion time).
      beforeStartDate - restrict reports to those that started before the requested time (null for any start time).
      startingFrom - initial position in the stored list.
      maximumResults - maximum number of definitions to return on this call.
      Returns:
      list of qualifying reports
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid,
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - user not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - problem with the metadata server.

    • saveConnection

      public String saveConnection(String userId, org.odpi.openmetadata.frameworks.connectors.properties.beans.Connection connection) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectionCheckedException, org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectorCheckedException
      Returns the unique identifier corresponding to the supplied connection.
      Specified by:
      saveConnection in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      connection - the connection object that contains the properties needed to create the connection.
      Returns:
      guid
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - there is a problem retrieving the asset properties from the property servers.
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - the requesting user is not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectionCheckedException - there are errors in the configuration of the connection which is preventing the creation of a connector.
      org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectorCheckedException - there are errors in the initialization of the connector.

    • saveConnection

      public String saveConnection(String userId, String assetGUID, org.odpi.openmetadata.frameworks.connectors.properties.beans.Connection connection) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectionCheckedException, org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectorCheckedException
      Returns the unique identifier corresponding to the supplied connection.
      Specified by:
      saveConnection in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      assetGUID - the unique identifier of an asset to attach the connection to
      connection - the connection object that contains the properties needed to create the connection.
      Returns:
      guid
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - there is a problem retrieving the asset properties from the property servers.
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - the requesting user is not authorized to issue this request.
      org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectionCheckedException - there are errors in the configuration of the connection which is preventing the creation of a connector.
      org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectorCheckedException - there are errors in the initialization of the connector.

    • getAssetProperties

      public org.odpi.openmetadata.frameworks.connectors.properties.AssetUniverse getAssetProperties(String userId, String assetGUID) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException
      Returns a comprehensive collection of properties about the requested asset.
      Specified by:
      getAssetProperties in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      assetGUID - the unique identifier of an asset to attach the connection to
      Returns:
      a comprehensive collection of properties about the asset.
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - one of the parameters is null or invalid.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - there is a problem retrieving the asset properties from the property servers.
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - the requesting user is not authorized to issue this request.

    • getConnectorToAsset

      public org.odpi.openmetadata.frameworks.connectors.Connector getConnectorToAsset(String userId, String assetGUID) throws org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException, org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException, org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException, org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectionCheckedException, org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectorCheckedException
      Return the connector to the requested asset.
      Specified by:
      getConnectorToAsset in class org.odpi.openmetadata.frameworks.integration.client.OpenIntegrationClient
      Parameters:
      assetGUID - the unique identifier of an asset to attach the connection to
      Returns:
      Open Connector Framework (OCF) connector
      Throws:
      org.odpi.openmetadata.frameworks.connectors.ffdc.InvalidParameterException - the asset guid is not recognized or the userId is null
      org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectionCheckedException - there are errors in the configuration of the connection which is preventing the creation of a connector.
      org.odpi.openmetadata.frameworks.connectors.ffdc.ConnectorCheckedException - there are errors in the initialization of the connector.
      org.odpi.openmetadata.frameworks.connectors.ffdc.UserNotAuthorizedException - the user is not authorized to access the asset and/or connection needed to create the connector.
      org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException - there was a problem in the store whether the asset/connection properties are kept.