# Interface: com.pnfsoftware.jeb.util.graph.IAddressableDigraphBuilder

A builder of directed graphs whose vertices can be assigned and retrieved by String addresses.

## Method: buildModel
- return type: `com.pnfsoftware.jeb.util.graph.Digraph`

Description: Build the directed graph model.
return: the built graph

## Method: getAddressForVertexId
- parameter: `vertexId`, type: `int`
- return type: `java.lang.String`

Description: Get the address associated with a vertex id.
parameter: vertexId: vertex id
return: the associated address, or null if none exists

## Method: getVertexIdForAddress
- parameter: `address`, type: `java.lang.String`
- return type: `java.lang.Integer`

Description: Get the vertex id associated with an address.
parameter: address: vertex address
return: the associated vertex id, or null if none exists