org.dellroad.stuff.schema
Class SchemaUpdateEdgeLister<T>

java.lang.Object
  org.dellroad.stuff.schema.SchemaUpdateEdgeLister<T>

Type Parameters:

T - database transaction type

All Implemented Interfaces:

TopologicalSorter.EdgeLister<SchemaUpdate<T>>

public class SchemaUpdateEdgeLister<T>
extends Object
implements TopologicalSorter.EdgeLister<SchemaUpdate<T>>

TopologicalSorter.EdgeLister implementation reflecting SchemaUpdate predecessor constraints.

Graph edges will exist from each update to its predecessors. Note, this is the reverse of the actual desired ordering of the updates.

Constructor Summary

SchemaUpdateEdgeLister()

Method Summary

Set<SchemaUpdate<T>>

getOutEdges(SchemaUpdate<T> update) Get the set of all nodes X for which there is an edge from node to X.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SchemaUpdateEdgeLister

public SchemaUpdateEdgeLister()

Method Detail

getOutEdges

public Set<SchemaUpdate<T>> getOutEdges(SchemaUpdate<T> update)

Description copied from interface: TopologicalSorter.EdgeLister

Get the set of all nodes X for which there is an edge from node to X.

Specified by:

getOutEdges in interface TopologicalSorter.EdgeLister<SchemaUpdate<T>>