hadoop StabilityOptions 源码
haddop StabilityOptions 代码
文件路径：/hadoop-common-project/hadoop-annotations/src/main/java/org/apache/hadoop/classification/tools/StabilityOptions.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.classification.tools;
import com.sun.javadoc.DocErrorReporter;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
class StabilityOptions {
public static final String STABLE_OPTION = "-stable";
public static final String EVOLVING_OPTION = "-evolving";
public static final String UNSTABLE_OPTION = "-unstable";
public static Integer optionLength(String option) {
String opt = option.toLowerCase(Locale.ENGLISH);
if (opt.equals(UNSTABLE_OPTION)) return 1;
if (opt.equals(EVOLVING_OPTION)) return 1;
if (opt.equals(STABLE_OPTION)) return 1;
return null;
}
public static void validOptions(String[][] options,
DocErrorReporter reporter) {
for (int i = 0; i < options.length; i++) {
String opt = options[i][0].toLowerCase(Locale.ENGLISH);
if (opt.equals(UNSTABLE_OPTION)) {
RootDocProcessor.stability = UNSTABLE_OPTION;
} else if (opt.equals(EVOLVING_OPTION)) {
RootDocProcessor.stability = EVOLVING_OPTION;
} else if (opt.equals(STABLE_OPTION)) {
RootDocProcessor.stability = STABLE_OPTION;
}
}
}
public static String[][] filterOptions(String[][] options) {
List<String[]> optionsList = new ArrayList<String[]>();
for (int i = 0; i < options.length; i++) {
if (!options[i][0].equalsIgnoreCase(UNSTABLE_OPTION)
&& !options[i][0].equalsIgnoreCase(EVOLVING_OPTION)
&& !options[i][0].equalsIgnoreCase(STABLE_OPTION)) {
optionsList.add(options[i]);
}
}
String[][] filteredOptions = new String[optionsList.size()][];
int i = 0;
for (String[] option : optionsList) {
filteredOptions[i++] = option;
}
return filteredOptions;
}
}
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