y.util
Class GraphCopier.EdgeDataProviderCopyFactory

java.lang.Object
  y.util.GraphCopier.GraphDataCopyFactory
      y.util.GraphCopier.DataProviderCopyFactory
          y.util.GraphCopier.EdgeDataProviderCopyFactory

All Implemented Interfaces:

GraphCopier.CopyFactory

Enclosing class:

GraphCopier

public static class GraphCopier.EdgeDataProviderCopyFactory
extends GraphCopier.DataProviderCopyFactory

Helper class implementation of GraphCopier.CopyFactory that can be used to copy the contents of a DataProvider registered with the source graph onto the target graph storing the values in newly a created edge map.

See Also:

copy(Object,y.base.Edge,y.base.Edge,Object)

Field Summary

Fields inherited from class y.util.GraphCopier.DataProviderCopyFactory

dpKey

Constructor Summary

GraphCopier.EdgeDataProviderCopyFactory(GraphCopier.CopyFactory delegatingFactory, java.lang.Object dpKey)
Creates a new instance using the delegate for the given data provider key.

Method Summary

protected java.lang.Object	copy(java.lang.Object dpKey, Edge src, Edge dst, java.lang.Object value) Callback method that performs the actual copying of the data.
protected void	copyData(Edge src, Edge dst) Empty stub to be overwritten by subclass implementations.
protected DataMap	createMap(Graph dst) Factory callback to create the backing storage.

Methods inherited from class y.util.GraphCopier.DataProviderCopyFactory

getMap, preCopyData

Methods inherited from class y.util.GraphCopier.GraphDataCopyFactory

copyData, copyEdge, copyNode, createGraph, postCopyData, postCopyGraphData, preCopyGraphData

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphCopier.EdgeDataProviderCopyFactory

public GraphCopier.EdgeDataProviderCopyFactory(GraphCopier.CopyFactory delegatingFactory,
                                               java.lang.Object dpKey)

Creates a new instance using the delegate for the given data provider key.

Method Detail

createMap

protected DataMap createMap(Graph dst)

Description copied from class: GraphCopier.DataProviderCopyFactory

Factory callback to create the backing storage.

Specified by:

createMap in class GraphCopier.DataProviderCopyFactory

copyData

protected void copyData(Edge src,
                        Edge dst)

Description copied from class: GraphCopier.GraphDataCopyFactory

Empty stub to be overwritten by subclass implementations.

Overrides:

copyData in class GraphCopier.GraphDataCopyFactory

Parameters:

src - the old entity

dst - the new entity

copy

protected java.lang.Object copy(java.lang.Object dpKey,
                                Edge src,
                                Edge dst,
                                java.lang.Object value)

Callback method that performs the actual copying of the data. This implementation simply returns the reference.