Java FSImageSerialization.readBytes方法代码示例

本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.readBytes方法的典型用法代码示例。如果您正苦于以下问题：Java FSImageSerialization.readBytes方法的具体用法？Java FSImageSerialization.readBytes怎么用？Java FSImageSerialization.readBytes使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.server.namenode.FSImageSerialization的用法示例。

在下文中一共展示了FSImageSerialization.readBytes方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: processINodesUC

import org.apache.hadoop.hdfs.server.namenode.FSImageSerialization; //导入方法依赖的package包/类
/**
 * Process the INodes under construction section of the fsimage.
 *
 * @param in DataInputStream to process
 * @param v Visitor to walk over inodes
 * @param skipBlocks Walk over each block?
 */
private void processINodesUC(DataInputStream in, ImageVisitor v,
    boolean skipBlocks) throws IOException {
  int numINUC = in.readInt();

  v.visitEnclosingElement(ImageElement.INODES_UNDER_CONSTRUCTION,
                         ImageElement.NUM_INODES_UNDER_CONSTRUCTION, numINUC);

  for(int i = 0; i < numINUC; i++) {
    v.visitEnclosingElement(ImageElement.INODE_UNDER_CONSTRUCTION);
    byte [] name = FSImageSerialization.readBytes(in);
    String n = new String(name, "UTF8");
    v.visit(ImageElement.INODE_PATH, n);
    
    if (NameNodeLayoutVersion.supports(Feature.ADD_INODE_ID, imageVersion)) {
      long inodeId = in.readLong();
      v.visit(ImageElement.INODE_ID, inodeId);
    }
    
    v.visit(ImageElement.REPLICATION, in.readShort());
    v.visit(ImageElement.MODIFICATION_TIME, formatDate(in.readLong()));

    v.visit(ImageElement.PREFERRED_BLOCK_SIZE, in.readLong());
    int numBlocks = in.readInt();
    processBlocks(in, v, numBlocks, skipBlocks);

    processPermission(in, v);
    v.visit(ImageElement.CLIENT_NAME, FSImageSerialization.readString(in));
    v.visit(ImageElement.CLIENT_MACHINE, FSImageSerialization.readString(in));

    // Skip over the datanode descriptors, which are still stored in the
    // file but are not used by the datanode or loaded into memory
    int numLocs = in.readInt();
    for(int j = 0; j < numLocs; j++) {
      in.readShort();
      in.readLong();
      in.readLong();
      in.readLong();
      in.readInt();
      FSImageSerialization.readString(in);
      FSImageSerialization.readString(in);
      WritableUtils.readEnum(in, AdminStates.class);
    }

    v.leaveEnclosingElement(); // INodeUnderConstruction
  }

  v.leaveEnclosingElement(); // INodesUnderConstruction
}

开发者ID:naver，项目名称:hadoop，代码行数:56，代码来源:ImageLoaderCurrent.java

示例2: processINodesUC

import org.apache.hadoop.hdfs.server.namenode.FSImageSerialization; //导入方法依赖的package包/类
/**
 * Process the INodes under construction section of the fsimage.
 *
 * @param in DataInputStream to process
 * @param v Visitor to walk over inodes
 * @param skipBlocks Walk over each block?
 */
private void processINodesUC(DataInputStream in, ImageVisitor v,
    boolean skipBlocks) throws IOException {
  int numINUC = in.readInt();

  v.visitEnclosingElement(ImageElement.INODES_UNDER_CONSTRUCTION,
                         ImageElement.NUM_INODES_UNDER_CONSTRUCTION, numINUC);

  for(int i = 0; i < numINUC; i++) {
    checkInterruption();
    v.visitEnclosingElement(ImageElement.INODE_UNDER_CONSTRUCTION);
    
    byte [] name = FSImageSerialization.readBytes(in);
    String n = new String(name, "UTF8");
    v.visit(ImageElement.INODE_PATH, n);
    
    if (LayoutVersion.supports(Feature.ADD_INODE_ID, imageVersion)) {
      v.visit(ImageElement.INODE_ID, in.readLong());
    }
    
    v.visit(ImageElement.REPLICATION, in.readShort());
    v.visit(ImageElement.MODIFICATION_TIME, formatDate(in.readLong()));

    v.visit(ImageElement.PREFERRED_BLOCK_SIZE, in.readLong());
    int numBlocks = in.readInt();
    processBlocks(in, v, numBlocks, skipBlocks);

    processPermission(in, v);
    v.visit(ImageElement.CLIENT_NAME, FSImageSerialization.readString(in));
    v.visit(ImageElement.CLIENT_MACHINE, FSImageSerialization.readString(in));

    // Skip over the datanode descriptors, which are still stored in the
    // file but are not used by the datanode or loaded into memory
    int numLocs = in.readInt();
    for(int j = 0; j < numLocs; j++) {
      in.readShort();
      in.readLong();
      in.readLong();
      in.readLong();
      in.readInt();
      FSImageSerialization.readString(in);
      FSImageSerialization.readString(in);
      WritableUtils.readEnum(in, AdminStates.class);
    }

    v.leaveEnclosingElement(); // INodeUnderConstruction
  }

  v.leaveEnclosingElement(); // INodesUnderConstruction
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:57，代码来源:ImageLoaderCurrent.java

示例3: processINodesUC

import org.apache.hadoop.hdfs.server.namenode.FSImageSerialization; //导入方法依赖的package包/类
/**
 * Process the INodes under construction section of the fsimage.
 *
 * @param in DataInputStream to process
 * @param v Visitor to walk over inodes
 * @param skipBlocks Walk over each block?
 */
private void processINodesUC(DataInputStream in, ImageVisitor v,
    boolean skipBlocks) throws IOException {
  int numINUC = in.readInt();

  v.visitEnclosingElement(ImageElement.INODES_UNDER_CONSTRUCTION,
                         ImageElement.NUM_INODES_UNDER_CONSTRUCTION, numINUC);

  for(int i = 0; i < numINUC; i++) {
    v.visitEnclosingElement(ImageElement.INODE_UNDER_CONSTRUCTION);
    byte [] name = FSImageSerialization.readBytes(in);
    String n = new String(name, "UTF8");
    v.visit(ImageElement.INODE_PATH, n);
    
    if (LayoutVersion.supports(Feature.ADD_INODE_ID, imageVersion)) {
      long inodeId = in.readLong();
      v.visit(ImageElement.INODE_ID, inodeId);
    }
    
    v.visit(ImageElement.REPLICATION, in.readShort());
    v.visit(ImageElement.MODIFICATION_TIME, formatDate(in.readLong()));

    v.visit(ImageElement.PREFERRED_BLOCK_SIZE, in.readLong());
    int numBlocks = in.readInt();
    processBlocks(in, v, numBlocks, skipBlocks);

    processPermission(in, v);
    v.visit(ImageElement.CLIENT_NAME, FSImageSerialization.readString(in));
    v.visit(ImageElement.CLIENT_MACHINE, FSImageSerialization.readString(in));

    // Skip over the datanode descriptors, which are still stored in the
    // file but are not used by the datanode or loaded into memory
    int numLocs = in.readInt();
    for(int j = 0; j < numLocs; j++) {
      in.readShort();
      in.readLong();
      in.readLong();
      in.readLong();
      in.readInt();
      FSImageSerialization.readString(in);
      FSImageSerialization.readString(in);
      WritableUtils.readEnum(in, AdminStates.class);
    }

    v.leaveEnclosingElement(); // INodeUnderConstruction
  }

  v.leaveEnclosingElement(); // INodesUnderConstruction
}

开发者ID:ict-carch，项目名称:hadoop-plus，代码行数:56，代码来源:ImageLoaderCurrent.java

示例4: processINodesUC

import org.apache.hadoop.hdfs.server.namenode.FSImageSerialization; //导入方法依赖的package包/类
/**
 * Process the INodes under construction section of the fsimage.
 *
 * @param in DataInputStream to process
 * @param v Visitor to walk over inodes
 * @param skipBlocks Walk over each block?
 */
private void processINodesUC(DataInputStream in, ImageVisitor v,
    boolean skipBlocks) throws IOException {
  int numINUC = in.readInt();

  v.visitEnclosingElement(ImageElement.INODES_UNDER_CONSTRUCTION,
                         ImageElement.NUM_INODES_UNDER_CONSTRUCTION, numINUC);

  for(int i = 0; i < numINUC; i++) {
    v.visitEnclosingElement(ImageElement.INODE_UNDER_CONSTRUCTION);
    byte [] name = FSImageSerialization.readBytes(in);
    String n = new String(name, "UTF8");
    v.visit(ImageElement.INODE_PATH, n);
    
    if (NameNodeLayoutVersion.supports(
        LayoutVersion.Feature.ADD_INODE_ID, imageVersion)) {
      long inodeId = in.readLong();
      v.visit(ImageElement.INODE_ID, inodeId);
    }
    
    v.visit(ImageElement.REPLICATION, in.readShort());
    v.visit(ImageElement.MODIFICATION_TIME, formatDate(in.readLong()));

    v.visit(ImageElement.PREFERRED_BLOCK_SIZE, in.readLong());
    int numBlocks = in.readInt();
    processBlocks(in, v, numBlocks, skipBlocks);

    processPermission(in, v);
    v.visit(ImageElement.CLIENT_NAME, FSImageSerialization.readString(in));
    v.visit(ImageElement.CLIENT_MACHINE, FSImageSerialization.readString(in));

    // Skip over the datanode descriptors, which are still stored in the
    // file but are not used by the datanode or loaded into memory
    int numLocs = in.readInt();
    for(int j = 0; j < numLocs; j++) {
      in.readShort();
      in.readLong();
      in.readLong();
      in.readLong();
      in.readInt();
      FSImageSerialization.readString(in);
      FSImageSerialization.readString(in);
      WritableUtils.readEnum(in, AdminStates.class);
    }

    v.leaveEnclosingElement(); // INodeUnderConstruction
  }

  v.leaveEnclosingElement(); // INodesUnderConstruction
}

开发者ID:Seagate，项目名称:hadoop-on-lustre2，代码行数:57，代码来源:ImageLoaderCurrent.java

示例5: processINodesUC

import org.apache.hadoop.hdfs.server.namenode.FSImageSerialization; //导入方法依赖的package包/类
/**
 * Process the INodes under construction section of the fsimage.
 *
 * @param in DataInputStream to process
 * @param v Visitor to walk over inodes
 * @param skipBlocks Walk over each block?
 */
private void processINodesUC(DataInputStream in, ImageVisitor v,
    boolean skipBlocks) throws IOException {
  int numINUC = in.readInt();

  v.visitEnclosingElement(ImageElement.INODES_UNDER_CONSTRUCTION,
                         ImageElement.NUM_INODES_UNDER_CONSTRUCTION, numINUC);

  for(int i = 0; i < numINUC; i++) {
    v.visitEnclosingElement(ImageElement.INODE_UNDER_CONSTRUCTION);
    byte [] name = FSImageSerialization.readBytes(in);
    String n = new String(name, "UTF8");
    v.visit(ImageElement.INODE_PATH, n);
    v.visit(ImageElement.REPLICATION, in.readShort());
    v.visit(ImageElement.MODIFICATION_TIME, formatDate(in.readLong()));

    v.visit(ImageElement.PREFERRED_BLOCK_SIZE, in.readLong());
    int numBlocks = in.readInt();
    processBlocks(in, v, numBlocks, skipBlocks);

    processPermission(in, v);
    v.visit(ImageElement.CLIENT_NAME, FSImageSerialization.readString(in));
    v.visit(ImageElement.CLIENT_MACHINE, FSImageSerialization.readString(in));

    // Skip over the datanode descriptors, which are still stored in the
    // file but are not used by the datanode or loaded into memory
    int numLocs = in.readInt();
    for(int j = 0; j < numLocs; j++) {
      in.readShort();
      in.readLong();
      in.readLong();
      in.readLong();
      in.readInt();
      FSImageSerialization.readString(in);
      FSImageSerialization.readString(in);
      WritableUtils.readEnum(in, AdminStates.class);
    }

    v.leaveEnclosingElement(); // INodeUnderConstruction
  }

  v.leaveEnclosingElement(); // INodesUnderConstruction
}

开发者ID:cumulusyebl，项目名称:cumulus，代码行数:50，代码来源:ImageLoaderCurrent.java

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