Ref (OpenNMS 28.0.0 API)

All Superinterfaces:

java.lang.Comparable<Ref>

All Known Subinterfaces:

CollapsibleRef, CollapsibleVertex, Connector, ConnectorRef, Edge, EdgeRef, Vertex, VertexRef

All Known Implementing Classes:

AbstractBusinessServiceVertex, AbstractCollapsibleVertex, AbstractEdge, AbstractEdgeRef, AbstractLevelAwareVertex, AbstractRef, AbstractVertex, AlarmHopCriteria.AlarmVertex, ApplicationVertex, BusinessServiceEdge, BusinessServiceVertex, CategoryHopCriteria.CategoryVertex, DefaultVertexRef, GraphMLEdge, GraphMLVertex, IpLikeHopCriteria.IPVertex, IpServiceVertex, LegacyApplicationVertex, LegacyEdge, LegacyVertex, LinkdEdge, LinkdVertex, ReductionKeyVertex, SimpleConnector, SimpleLeafVertex
```
public interface Ref
extends java.lang.Comparable<Ref>
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getId()`	An identifier unique to the provider that 'owns' this reference
`java.lang.String`	`getLabel()`	A human-readable label for the reference.
`java.lang.String`	`getNamespace()`	A string used to identify the provider this belongs to.

Methods inherited from interface java.lang.Comparable
compareTo

- Method Detail
  - getId
```
java.lang.String getId()
```
    An identifier unique to the provider that 'owns' this reference
    
    Returns:
  - getNamespace
```
java.lang.String getNamespace()
```
    A string used to identify the provider this belongs to. May only container characters that make for a reasonable java identifier such as letters digits and underscore (no colons, periods, commas etc.)
  - getLabel
```
java.lang.String getLabel()
```
    A human-readable label for the reference.