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Java example source code file (GraphvizEdge.java)

This example Java source code file (GraphvizEdge.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

compasspoint, edgestyle, graphvizedge, list, nodeid, string, util

The GraphvizEdge.java Java example source code

 * Copyright (C) 2008 Google Inc.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package com.google.inject.grapher.graphviz;

import com.google.common.collect.ImmutableList;
import com.google.inject.grapher.NodeId;

import java.util.List;

 * Data object to encapsulate the attributes of Graphviz edges that we're
 * interested in drawing.
 * @author phopkins@gmail.com (Pete Hopkins)
public class GraphvizEdge {
  private final NodeId headNodeId;
  private String headPortId;
  private CompassPoint headCompassPoint;
  private List<ArrowType> arrowHead = ImmutableList.of(ArrowType.NORMAL);
  private final NodeId tailNodeId;
  private String tailPortId;
  private CompassPoint tailCompassPoint;
  private List<ArrowType> arrowTail = ImmutableList.of(ArrowType.NONE);

  private EdgeStyle style = EdgeStyle.SOLID;

  public GraphvizEdge(NodeId tailNodeId, NodeId headNodeId) {
    this.tailNodeId = tailNodeId;
    this.headNodeId = headNodeId;

  /** @since 4.0 */
  public NodeId getHeadNodeId() {
    return headNodeId;

  public String getHeadPortId() {
    return headPortId;

  public void setHeadPortId(String headPortId) {
    this.headPortId = headPortId;

  public CompassPoint getHeadCompassPoint() {
    return headCompassPoint;
  public void setHeadCompassPoint(CompassPoint headCompassPoint) {
    this.headCompassPoint = headCompassPoint;

  public List<ArrowType> getArrowHead() {
    return arrowHead;

  public void setArrowHead(List<ArrowType> arrowHead) {
    this.arrowHead = ImmutableList.copyOf(arrowHead);

  /** @since 4.0 */
  public NodeId getTailNodeId() {
    return tailNodeId;

  public String getTailPortId() {
    return tailPortId;

  public void setTailPortId(String tailPortId) {
    this.tailPortId = tailPortId;

  public CompassPoint getTailCompassPoint() {
    return tailCompassPoint;
  public void setTailCompassPoint(CompassPoint tailCompassPoint) {
    this.tailCompassPoint = tailCompassPoint;

  public List<ArrowType> getArrowTail() {
    return arrowTail;

  public void setArrowTail(List<ArrowType> arrowTail) {
    this.arrowTail = ImmutableList.copyOf(arrowTail);

  public EdgeStyle getStyle() {
    return style;

  public void setStyle(EdgeStyle style) {
    this.style = style;

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