/**
* 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.hbase.security.visibility;
import java.io.IOException;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.Mutation;
import org.apache.hadoop.hbase.util.MultiThreadedAction.DefaultDataGenerator;
@InterfaceAudience.Private
public class LoadTestDataGeneratorWithVisibilityLabels extends DefaultDataGenerator {
private static final String COMMA = ",";
private String[] visibilityExps = null;
private String[][] authorizations = null;
public LoadTestDataGeneratorWithVisibilityLabels(int minValueSize, int maxValueSize,
int minColumnsPerKey, int maxColumnsPerKey, byte[]... columnFamilies) {
super(minValueSize, maxValueSize, minColumnsPerKey, maxColumnsPerKey, columnFamilies);
}
@Override
public void initialize(String[] args) {
super.initialize(args);
if (args.length < 1 || args.length > 2) {
throw new IllegalArgumentException("LoadTestDataGeneratorWithVisibilityLabels can have "
+ "1 or 2 initialization arguments");
}
// 1st arg in args is supposed to be the visibilityExps to be used with Mutations.
String temp = args[0];
// This will be comma separated list of expressions.
this.visibilityExps = temp.split(COMMA);
// 2nd arg in args,if present, is supposed to be comma separated set of authorizations to be
// used with Gets. Each of the set will be comma separated within square brackets.
// Eg: [secret,private],[confidential,private],[public]
if (args.length == 2) {
this.authorizations = toAuthorizationsSet(args[1]);
}
}
private static String[][] toAuthorizationsSet(String authorizationsStr) {
// Eg: [secret,private],[confidential,private],[public]
String[] split = authorizationsStr.split("],");
String[][] result = new String[split.length][];
for (int i = 0; i < split.length; i++) {
String s = split[i].trim();
assert s.charAt(0) == '[';
s = s.substring(1);
if (i == split.length - 1) {
assert s.charAt(s.length() - 1) == ']';
s = s.substring(0, s.length() - 1);
}
String[] tmp = s.split(COMMA);
for (int j = 0; j < tmp.length; j++) {
tmp[j] = tmp[j].trim();
}
result[i] = tmp;
}
return result;
}
@Override
public Mutation beforeMutate(long rowkeyBase, Mutation m) throws IOException {
m.setCellVisibility(new CellVisibility(this.visibilityExps[(int) rowkeyBase
% this.visibilityExps.length]));
return m;
}
@Override
public Get beforeGet(long rowkeyBase, Get get) {
get.setAuthorizations(new Authorizations(
authorizations[(int) (rowkeyBase % authorizations.length)]));
return get;
}
}