org.eclipse.gef4.graph

Class GraphCopier

java.lang.Object

org.eclipse.gef4.graph.GraphCopier

public class GraphCopier
extends java.lang.Object

A copier for Graphs.

Constructor Summary

Constructors

Constructor and Description
GraphCopier(org.eclipse.gef4.common.attributes.IAttributeCopier attributeCopier) Creates a new GraphCopier instance with the given IAttributeCopier.

Method Summary

Modifier and Type	Method and Description
Graph	copy(Graph graph) Creates a copy of the given Graph.
protected void	copyAttributes(org.eclipse.gef4.common.attributes.IAttributeStore inputStore, org.eclipse.gef4.common.attributes.IAttributeStore outputStore) Transfers attributes from the given input Graph, Node, or Edge to the given output Graph, Node, or Edge.
protected Edge	copyEdge(Edge edge) Creates a copy of the given edge.
protected Node	copyNode(Node node) Creates a copy of the given node.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphCopier

public GraphCopier(org.eclipse.gef4.common.attributes.IAttributeCopier attributeCopier)

Creates a new GraphCopier instance with the given IAttributeCopier.

Parameters:

attributeCopier - The IAttributeCopier used to copy the attributes of Graph, Nodes, and Edges.

Method Detail

copy

public Graph copy(Graph graph)

Creates a copy of the given Graph.

Parameters:

graph - The Graph to copy.

Returns:

A new graph that is the result of the copy operation.

copyAttributes

protected void copyAttributes(org.eclipse.gef4.common.attributes.IAttributeStore inputStore,
                              org.eclipse.gef4.common.attributes.IAttributeStore outputStore)

Transfers attributes from the given input Graph, Node, or Edge to the given output Graph, Node, or Edge. The attributes may be copied or simply transferred. This lies within the responsibility of the IAttributeCopier that was passed in on construction of the GraphCopier.

Parameters:

inputStore - The Graph, Node, or Edge from which to copy attributes.

outputStore - The Graph, Node, or Edge to copy attributes to.

copyEdge

protected Edge copyEdge(Edge edge)

Creates a copy of the given edge.

Parameters:

edge - The Edge to copy.

Returns:

A new Edge with transferred relations and (copied) attributes.

copyNode

protected Node copyNode(Node node)

Creates a copy of the given node.

Parameters:

node - The Node to copy.

Returns:

A new Node with transferred relations and (copied) attributes.