InfoPanelItemProvider (OpenNMS 28.0.0 API)

All Known Implementing Classes:

BusinessServiceEdgeInfoPanelItemProvider, BusinessServiceEdgeStatusInfoPanelItemProvider, BusinessServiceVertexAttributesInfoPanelItemProvider, BusinessServiceVertexInfoPanelItemProvider, BusinessServiceVertexStatusInfoPanelItemProvider, DefaultEdgeInfoPanelItemProvider, DefaultVertexInfoPanelItemProvider, EdgeInfoPanelItemProvider, GenericInfoPanelItemProvider, LocationInfoPanelItemProvider, NodeInfoPanelItemProvider, SimulationModeEnabledPanelItemProvider, SimulationModeReductionKeyInfoPanelItemProvider, SingleSelectedInfoPanelItemProvider, VertexInfoPanelItemProvider
```
public interface InfoPanelItemProvider
```
Provider Interface to provide one to multiple InfoPanelItems.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static <T extends InfoPanelItem> java.util.Collection<T>`	`contributeIf(boolean predicate, java.util.function.Supplier<T> supplier)`	Helper method to create the Contributions Collection.
`java.util.Collection<? extends InfoPanelItem>`	`getContributions(GraphContainer container)`	Returns all contributions for the current state of the given container.

- Method Detail
  - getContributions
```
java.util.Collection<? extends InfoPanelItem> getContributions(GraphContainer container)
```
    Returns all contributions for the current state of the given container.
    
    Parameters:
    
    container - the container used to decide which contributions to show
    
    Returns:
    
    a bunch of contributions, if any. Should NEVER return null
  - contributeIf
```
static <T extends InfoPanelItem> java.util.Collection<T> contributeIf(boolean predicate,
                                                                      java.util.function.Supplier<T> supplier)
```
    Helper method to create the Contributions Collection. If predicate is true a singleton Collection with the value of Supplier.get() is returned. If predicate is false an empty Collection is returned, instead.
    
    Type Parameters:
    
    T - The type of the InfoPanelItem
    
    Parameters:
    
    predicate - Whether or not the value of Supplier.get() is used (true means it is used)
    
    supplier - The supplier to use. If predicate is true it must NOT be null
    
    Returns:
    
    a singleton Collection with the value of Supplier.get() if predicate is true, otherwise an empty collection