Interface IDatasetProcessor
A processor used for loading and processing a IDataset from the UI across multiple views in a consistent manner
See https://web.lemonedge.com/help/datasets/ for more information
Inherited Members
Namespace: LemonEdge.API.Processors
Assembly: API.dll
Syntax
public interface IDatasetProcessor : IBaseDataSetProcessorWithDBSave, IBaseDataSetProcessor, IProcessor, IDisposable
Properties
Dataset
The root dataset item this processor is responsible for
Declaration
IDataset Dataset { get; }
Property Value
Type | Description |
---|---|
IDataset |
DatasetQueryableItems
The list of items that are being queried by this dataset
Declaration
IEnumerable<IDatasetQueryableItem> DatasetQueryableItems { get; }
Property Value
Type | Description |
---|---|
System.Collections.Generic.IEnumerable<IDatasetQueryableItem> |
FieldInfos
The list of field info records that describe what produced a specified column ISQLTypeWrapper record.
This links the queryable item field GetFields(IReadOnlyCache) to the corrosponding column holding the value result
Declaration
IEnumerable<IDatasetQueryableItemFieldInfo> FieldInfos { get; }
Property Value
Type | Description |
---|---|
System.Collections.Generic.IEnumerable<IDatasetQueryableItemFieldInfo> |
Filters
A list of all the filter records to be applied to the dataset results
Declaration
IEnumerable<IFilterDescriptor> Filters { get; }
Property Value
Type | Description |
---|---|
System.Collections.Generic.IEnumerable<IFilterDescriptor> |
Wrapper
The ISQLWrapper that backs this dataset and holds the automatically created sql
Declaration
ISQLWrapper Wrapper { get; }
Property Value
Type | Description |
---|---|
ISQLWrapper |
Methods
GetQueryableItem(Guid)
Returns an instance of the actual queryable item for the specified IDatasetQueryableItem
Declaration
IQueryableItem GetQueryableItem(Guid forDataSourceQueryableItemID)
Parameters
Type | Name | Description |
---|---|---|
System.Guid | forDataSourceQueryableItemID | The IDatasetQueryableItem to return an instance of the actual queryable item for |
Returns
Type | Description |
---|---|
IQueryableItem | An instance of the actual queryable item for the specified IDatasetQueryableItem |
GetQueryableItemFields(Guid)
Returns all the possible field items for the specified IDatasetQueryableItem
Declaration
IEnumerable<IQueryableFieldInfo> GetQueryableItemFields(Guid forDataSourceQueryableItemID)
Parameters
Type | Name | Description |
---|---|---|
System.Guid | forDataSourceQueryableItemID | The IDatasetQueryableItem to return all the possible field items for |
Returns
Type | Description |
---|---|
System.Collections.Generic.IEnumerable<IQueryableFieldInfo> | All the possible field items for the specified IDatasetQueryableItem |
GetQueryableItemParams(Guid)
Returns all the possible parameters for the specified IDatasetQueryableItem
Declaration
IEnumerable<IQueryableParamInfo> GetQueryableItemParams(Guid forDataSourceQueryableItemID)
Parameters
Type | Name | Description |
---|---|---|
System.Guid | forDataSourceQueryableItemID | The IDatasetQueryableItem to return all the possible parameters for |
Returns
Type | Description |
---|---|
System.Collections.Generic.IEnumerable<IQueryableParamInfo> | All the possible parameters for the specified IDatasetQueryableItem |
GetTotalQueriedEntities()
Returns all the entities that are queried in this dataset and any sub-datasets
Declaration
IEnumerable<EntityDescriptor> GetTotalQueriedEntities()
Returns
Type | Description |
---|---|
System.Collections.Generic.IEnumerable<EntityDescriptor> | All the entities that are queried in this dataset and any sub-datasets |
GetWrapperTypes(SQLTypeWrapperType)
Returns the collection of ISQLTypeWrapper that are for the parameters or column results of this dataset (and thus in turn the ISQLWrapper itself)
Declaration
IEnumerable<ISQLTypeWrapper> GetWrapperTypes(SQLTypeWrapperType type)
Parameters
Type | Name | Description |
---|---|---|
SQLTypeWrapperType | type | The type of sql type wrappers to return - either for the parameters or columns |
Returns
Type | Description |
---|---|
System.Collections.Generic.IEnumerable<ISQLTypeWrapper> | The collection of ISQLTypeWrapper that are for the parameters or column results of this dataset |
Joins(Guid)
A list of all the join records (where TargetDatasetQueryableItemID equals forDataSetQueryableItemID
) for the specified IDatasetQueryableItem
Declaration
IEnumerable<IDatasetQueryableItemJoin> Joins(Guid forDataSetQueryableItemID)
Parameters
Type | Name | Description |
---|---|---|
System.Guid | forDataSetQueryableItemID | The IDatasetQueryableItem to return all join records for |
Returns
Type | Description |
---|---|
System.Collections.Generic.IEnumerable<IDatasetQueryableItemJoin> | A list of all the join records (where TargetDatasetQueryableItemID equals |
OnAddFieldInfo(IDatasetQueryableItemFieldInfo)
Adds the specified queryable item field info record to this dataset
Declaration
void OnAddFieldInfo(IDatasetQueryableItemFieldInfo item)
Parameters
Type | Name | Description |
---|---|---|
IDatasetQueryableItemFieldInfo | item | The queryable item field info to add to this dataset |
OnAddFilter(IFilterDescriptor)
Adds the specified filter descriptor to this dataset
Declaration
void OnAddFilter(IFilterDescriptor filter)
Parameters
Type | Name | Description |
---|---|---|
IFilterDescriptor | filter |
OnAddJoin(IDatasetQueryableItemJoin)
Adds the specified queryable item join record to this dataset
Declaration
void OnAddJoin(IDatasetQueryableItemJoin item)
Parameters
Type | Name | Description |
---|---|---|
IDatasetQueryableItemJoin | item | The queryable item join to add to this dataset |
OnAddQueryableItem(IDatasetQueryableItem)
Adds the specified queryable item record to this dataset
Declaration
Task OnAddQueryableItem(IDatasetQueryableItem item)
Parameters
Type | Name | Description |
---|---|---|
IDatasetQueryableItem | item | The queryable item to add to this dataset |
Returns
Type | Description |
---|---|
System.Threading.Tasks.Task | A task indicating the completion of the operation |
OnAddWrapperType(ISQLTypeWrapper)
Adds the specified sql wrapper type record, of either a column or parameter, for the dataset and thus the underlying sqlwrapper too
Declaration
void OnAddWrapperType(ISQLTypeWrapper item)
Parameters
Type | Name | Description |
---|---|---|
ISQLTypeWrapper | item | The sql type wrapper record for a column or parameter of this dataset |
OnDeleteFieldInfo(IDatasetQueryableItemFieldInfo)
Deletes the specified queryable item field info record from this dataset
Declaration
void OnDeleteFieldInfo(IDatasetQueryableItemFieldInfo item)
Parameters
Type | Name | Description |
---|---|---|
IDatasetQueryableItemFieldInfo | item | The queryable item field info to remove from this dataset |
OnDeleteFilter(IFilterDescriptor)
Deletes the specified filter descriptor from this dataset
Declaration
void OnDeleteFilter(IFilterDescriptor filter)
Parameters
Type | Name | Description |
---|---|---|
IFilterDescriptor | filter |
OnDeleteJoin(IDatasetQueryableItemJoin)
Deletes the specified queryable item join record from this dataset
Declaration
void OnDeleteJoin(IDatasetQueryableItemJoin item)
Parameters
Type | Name | Description |
---|---|---|
IDatasetQueryableItemJoin | item | The queryable item join to remove from this dataset |
OnDeleteQueryableItem(IDatasetQueryableItem)
Deletes the specified queryable item record from this dataset
Declaration
void OnDeleteQueryableItem(IDatasetQueryableItem item)
Parameters
Type | Name | Description |
---|---|---|
IDatasetQueryableItem | item | The queryable item to remove from this dataset |
OnDeleteWrapperType(ISQLTypeWrapper)
Deletes the specified sql wrapper type record, of either a column or parameter, from the dataset and thus the underlying sqlwrapper too
Declaration
void OnDeleteWrapperType(ISQLTypeWrapper item)
Parameters
Type | Name | Description |
---|---|---|
ISQLTypeWrapper | item | The sql type wrapper record for a column or parameter of this dataset |
Events
OnEventOccured
Raises an event when changes to the processor occur
Declaration
event DatasetProcessorEventHandler OnEventOccured
Event Type
Type | Description |
---|---|
DatasetProcessorEventHandler |