HistoryDateTimeView
A lazy view over node values
Methods
| Method | Description |
|---|---|
collect | Compute all values and return the result as a list |
compute | Compute all values and return the result as a node view |
get | Get value for node |
items | Iterate over items |
nodes | Iterate over nodes |
sorted_by_id | Sort results by node id |
to_df | Convert results to pandas DataFrame |
values | Iterate over values |
Method Details
collect
Compute all values and return the result as a list
Returns
| Type | Description |
|---|---|
| list[HistoryDateTime] | all values as a list |
compute
Compute all values and return the result as a node view
Returns
| Type | Description |
|---|---|
| NodeStateHistoryDateTime | the computed NodeState |
get
Signature: get(node, default=None)
Get value for node
Parameters
| Name | Type | Default | Description |
|---|---|---|---|
node | NodeInput | - | the node |
default | HistoryDateTime, optional | None | the default value. Defaults to None. |
Returns
| Type | Description |
|---|---|
| HistoryDateTime, optional | the value for the node or the default value |
items
Iterate over items
nodes
Iterate over nodes
Returns
| Type | Description |
|---|---|
| Nodes | The nodes |
sorted_by_id
Sort results by node id
Returns
| Type | Description |
|---|---|
| NodeStateHistoryDateTime | The sorted node state |
to_df
Convert results to pandas DataFrame
The DataFrame has two columns, "node" with the node ids and "value" with the corresponding values.
Returns
| Type | Description |
|---|---|
| DataFrame | the pandas DataFrame |
values
Iterate over values
Returns
| Type | Description |
|---|---|
Iterator[HistoryDateTime] | Iterator over values |