| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.pig.test.utils.dotGraph; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /*** |
| * This represents a node in DOT format |
| */ |
| public class DotNode { |
| public String name; |
| public Map<String, String> attributes = new HashMap<String, String>(); |
| public Set<DotNode> edgeTo = new HashSet<DotNode>(); |
| |
| public DotNode(String name) { |
| this.name = name; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(name); |
| if (attributes.size() > 0) { |
| int index = 0; |
| sb.append(" ["); |
| for (Map.Entry<String, String> attr : attributes.entrySet()) { |
| sb.append(attr.getKey() + "=" + attr.getValue()); |
| if (index < attributes.size() - 1) |
| sb.append(", "); |
| index++; |
| } |
| sb.append("]"); |
| } |
| return sb.toString(); |
| } |
| |
| public String getLabel() { |
| String label = ""; |
| for (Map.Entry<String, String> attr : attributes.entrySet()) { |
| if (attr.getKey().equals("label")) { |
| label = attr.getValue(); |
| break; |
| } |
| } |
| return label; |
| } |
| |
| public boolean isInvisStyle() { |
| for (Map.Entry<String, String> attr : attributes.entrySet()) |
| if (attr.getKey().equals("style") && attr.getValue().equals("invis")) |
| return true; |
| |
| return false; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other instanceof DotNode && !(other instanceof DotGraph)) { |
| DotNode node = (DotNode) other; |
| return name.equals(node.name); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return name.hashCode(); |
| } |
| |
| public String getCanonicalName() { |
| StringBuilder sb = new StringBuilder(""); |
| ArrayList<String> canonicalNames = new ArrayList<>(); |
| |
| for (DotNode node : edgeTo) |
| if (!node.isInvisStyle()) |
| canonicalNames.add(node.getCanonicalName()); |
| |
| Collections.sort(canonicalNames); |
| for (String nodeName : canonicalNames) |
| sb.append(nodeName); |
| |
| sb.insert(0, '0'); |
| sb.insert(sb.length(), '1'); |
| return sb.toString(); |
| } |
| } |