org.apache.hadoop.hdfs.tools.offlineImageViewer.PBImageCorruption Maven / Gradle / Ivy
/**
* 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.hdfs.tools.offlineImageViewer;
import java.util.EnumSet;
/**
* Class representing a corruption in the PBImageCorruptionDetector processor.
*/
public class PBImageCorruption {
private static final String WITH = "With";
/**
* PBImageCorruptionType is a wrapper for getting a string output for
* different types of corruption. Could be added more cases if
* other types are revealed. Currently hasMissingChild and
* isCorruptNode are the relevant cases.
*/
private enum PBImageCorruptionType {
CORRUPT_NODE("CorruptNode"),
MISSING_CHILD("MissingChild");
private final String name;
PBImageCorruptionType(String s) {
name = s;
}
@Override
public String toString() {
return this.name;
}
}
private long id;
private EnumSet type;
private int numOfCorruptChildren;
PBImageCorruption(long id, boolean missingChild, boolean corruptNode,
int numOfCorruptChildren) {
if (!missingChild && !corruptNode) {
throw new IllegalArgumentException(
"Corruption must have at least one aspect!");
}
this.id = id;
this.type = EnumSet.noneOf(PBImageCorruptionType.class);
if (missingChild) {
type.add(PBImageCorruptionType.MISSING_CHILD);
}
if (corruptNode) {
type.add(PBImageCorruptionType.CORRUPT_NODE);
}
this.numOfCorruptChildren = numOfCorruptChildren;
}
void addMissingChildCorruption() {
type.add(PBImageCorruptionType.MISSING_CHILD);
}
void addCorruptNodeCorruption() {
type.add(PBImageCorruptionType.CORRUPT_NODE);
}
void setNumberOfCorruption(int numOfCorruption) {
this.numOfCorruptChildren = numOfCorruption;
}
long getId() {
return id;
}
String getType() {
StringBuffer s = new StringBuffer();
if (type.contains(PBImageCorruptionType.CORRUPT_NODE)) {
s.append(PBImageCorruptionType.CORRUPT_NODE);
}
if (type.contains(PBImageCorruptionType.CORRUPT_NODE) &&
type.contains(PBImageCorruptionType.MISSING_CHILD)) {
s.append(WITH);
}
if (type.contains(PBImageCorruptionType.MISSING_CHILD)) {
s.append(PBImageCorruptionType.MISSING_CHILD);
}
return s.toString();
}
int getNumOfCorruptChildren() {
return numOfCorruptChildren;
}
}