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## ix.util
Interface DirectedGraph

All Known Subinterfaces:
  BoundedGraph, TransitiveClosure

All Known Implementing Classes:
  AbstractDirectedGraph, DAGTransitiveClosure, FullTransitiveClosure

    public interface DirectedGraph

A simple "view" interface for directed graphs.

Method Summary
`java.util.Collection` | `getAllNodes()`
`java.util.Collection` | `getRoots()`
`java.util.Collection` | `getSuccessors(java.lang.Object node)`
`boolean` | `isBefore(java.lang.Object a, java.lang.Object b)`

Method Detail

### getAllNodes

    java.util.Collection getAllNodes()

### getRoots

    java.util.Collection getRoots()

### getSuccessors

    java.util.Collection getSuccessors(java.lang.Object node)

### isBefore

    boolean isBefore(java.lang.Object a,
                     java.lang.Object b)

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