hadoop TreePath 源码
haddop TreePath 代码
文件路径：/hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/TreePath.java
/**
* 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.hadoop.tools.rumen;
/**
* This describes a path from a node to the root. We use it when we compare two
* trees during rumen unit tests. If the trees are not identical, this chain
* will be converted to a string which describes the path from the root to the
* fields that did not compare.
*
*/
public class TreePath {
final TreePath parent;
final String fieldName;
final int index;
public TreePath(TreePath parent, String fieldName) {
super();
this.parent = parent;
this.fieldName = fieldName;
this.index = -1;
}
public TreePath(TreePath parent, String fieldName, int index) {
super();
this.parent = parent;
this.fieldName = fieldName;
this.index = index;
}
@Override
public String toString() {
String mySegment = fieldName + (index == -1 ? "" : ("[" + index + "]"));
return ((parent == null) ? "" : parent.toString() + "-->") + mySegment;
}
}
相关信息
相关文章
hadoop AbstractClusterStory 源码
hadoop CDFPiecewiseLinearRandomGenerator 源码
hadoop ClusterTopologyReader 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony