hadoop PBImageCorruption 源码

haddop PBImageCorruption 代码

文件路径：/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/PBImageCorruption.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.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<PBImageCorruptionType> 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;
  }

}

相关信息

hadoop 源码目录

相关文章

hadoop DelimitedImageVisitor 源码

hadoop DepthCounter 源码

hadoop FSImageHandler 源码

hadoop FSImageLoader 源码

hadoop FileDistributionCalculator 源码

hadoop FileDistributionVisitor 源码

hadoop IgnoreSnapshotException 源码

hadoop ImageLoader 源码

hadoop ImageLoaderCurrent 源码

hadoop ImageVisitor 源码