/*******************************************************************************
* Copyright (c) 2015, 2016 itemis AG and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Alexander Nyßen (itemis AG) - initial API and implementation
*
*******************************************************************************/
package org.eclipse.gef.graph.examples;
import org.eclipse.gef.dot.internal.DotAttributes;
import org.eclipse.gef.dot.internal.language.dot.GraphType;
import org.eclipse.gef.graph.Graph;
import org.eclipse.gef.graph.Node;
public final class GraphBuilderExample {
public static void main(final String[] args) {
// Nodes, edges, and attributes can be added in arbitrary order */
Graph g1 = new Graph.Builder()
.attr(DotAttributes::_setType, GraphType.DIGRAPH)//
.node("n1")//
.attr(DotAttributes::setLabel, "1")//
.attr(DotAttributes::setId, "1")//
.node("n2")//
.attr(DotAttributes::setLabel, "2")//
.attr(DotAttributes::setId, "2")//
.node("n3")//
.attr(DotAttributes::setLabel, "3")//
.attr(DotAttributes::setId, "3")//
.edge("n1", "n2")//
.edge("n1", "n3")//
.build();
/* Like nodes, graphs and edges have attributes, too: */
Graph g2 = new Graph.Builder()
.attr(DotAttributes::_setType, GraphType.DIGRAPH)//
.attr("g_attr", "g1").node("n1")//
.attr(DotAttributes::setLabel, "1")//
.attr(DotAttributes::setId, "1")//
.node("n2")//
.attr(DotAttributes::setLabel, "2")//
.attr(DotAttributes::setId, "2")//
.node("n3")//
.attr(DotAttributes::setLabel, "3")//
.attr(DotAttributes::setId, "3")//
.edge("n1", "n2").attr(DotAttributes::setLabel, "e1")
.edge("n1", "n3").build();
/* Builders can also be used without being chained */
Node n1 = new Node.Builder().attr(DotAttributes::setLabel, "1")//
.attr(DotAttributes::setId, "1").buildNode();
Node n2 = new Node.Builder().attr(DotAttributes::setLabel, "2")//
.attr(DotAttributes::setId, "2").buildNode();
Node n3 = new Node.Builder().attr(DotAttributes::setLabel, "3")//
.attr(DotAttributes::setId, "3").buildNode();
Graph g3 = new Graph.Builder()
.attr(DotAttributes::_setType, GraphType.DIGRAPH)
.nodes(n1, n2, n3)//
.edge(n1, n2)//
.edge(n1, n3)//
.build();
}
}