Java Code Examples for org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo#Builder

The following examples show how to use org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo#Builder . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: FSImageSerialization.java From hadoop with Apache License 2.0

6 votes

public static CacheDirectiveInfo readCacheDirectiveInfo(DataInput in)
    throws IOException {
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder();
  builder.setId(readLong(in));
  int flags = in.readInt();
  if ((flags & 0x1) != 0) {
    builder.setPath(new Path(readString(in)));
  }
  if ((flags & 0x2) != 0) {
    builder.setReplication(readShort(in));
  }
  if ((flags & 0x4) != 0) {
    builder.setPool(readString(in));
  }
  if ((flags & 0x8) != 0) {
    builder.setExpiration(
        CacheDirectiveInfo.Expiration.newAbsolute(readLong(in)));
  }
  if ((flags & ~0xF) != 0) {
    throw new IOException("unknown flags set in " +
        "ModifyCacheDirectiveInfoOp: " + flags);
  }
  return builder.build();
}

Example 2

Source File: FSImageSerialization.java From hadoop with Apache License 2.0

6 votes

public static CacheDirectiveInfo readCacheDirectiveInfo(Stanza st)
    throws InvalidXmlException {
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder();
  builder.setId(Long.parseLong(st.getValue("ID")));
  String path = st.getValueOrNull("PATH");
  if (path != null) {
    builder.setPath(new Path(path));
  }
  String replicationString = st.getValueOrNull("REPLICATION");
  if (replicationString != null) {
    builder.setReplication(Short.parseShort(replicationString));
  }
  String pool = st.getValueOrNull("POOL");
  if (pool != null) {
    builder.setPool(pool);
  }
  String expiryTime = st.getValueOrNull("EXPIRATION");
  if (expiryTime != null) {
    builder.setExpiration(CacheDirectiveInfo.Expiration.newAbsolute(
        Long.parseLong(expiryTime)));
  }
  return builder.build();
}

Example 3

Source File: CacheManager.java From hadoop with Apache License 2.0

6 votes

/**
 * Factory method that makes a new CacheDirectiveInfo by applying fields in a
 * CacheDirectiveInfo to an existing CacheDirective.
 * 
 * @param info with some or all fields set.
 * @param defaults directive providing default values for unset fields in
 *          info.
 * 
 * @return new CacheDirectiveInfo of the info applied to the defaults.
 */
private static CacheDirectiveInfo createFromInfoAndDefaults(
    CacheDirectiveInfo info, CacheDirective defaults) {
  // Initialize the builder with the default values
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder(defaults.toInfo());
  // Replace default with new value if present
  if (info.getPath() != null) {
    builder.setPath(info.getPath());
  }
  if (info.getReplication() != null) {
    builder.setReplication(info.getReplication());
  }
  if (info.getPool() != null) {
    builder.setPool(info.getPool());
  }
  if (info.getExpiration() != null) {
    builder.setExpiration(info.getExpiration());
  }
  return builder.build();
}

Example 4

Source File: PBHelper.java From hadoop with Apache License 2.0

6 votes

public static CacheDirectiveInfo convert
    (CacheDirectiveInfoProto proto) {
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder();
  if (proto.hasId()) {
    builder.setId(proto.getId());
  }
  if (proto.hasPath()) {
    builder.setPath(new Path(proto.getPath()));
  }
  if (proto.hasReplication()) {
    builder.setReplication(Shorts.checkedCast(
        proto.getReplication()));
  }
  if (proto.hasPool()) {
    builder.setPool(proto.getPool());
  }
  if (proto.hasExpiration()) {
    builder.setExpiration(convert(proto.getExpiration()));
  }
  return builder.build();
}

Example 5

Source File: FSImageSerialization.java From big-c with Apache License 2.0

6 votes

public static CacheDirectiveInfo readCacheDirectiveInfo(DataInput in)
    throws IOException {
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder();
  builder.setId(readLong(in));
  int flags = in.readInt();
  if ((flags & 0x1) != 0) {
    builder.setPath(new Path(readString(in)));
  }
  if ((flags & 0x2) != 0) {
    builder.setReplication(readShort(in));
  }
  if ((flags & 0x4) != 0) {
    builder.setPool(readString(in));
  }
  if ((flags & 0x8) != 0) {
    builder.setExpiration(
        CacheDirectiveInfo.Expiration.newAbsolute(readLong(in)));
  }
  if ((flags & ~0xF) != 0) {
    throw new IOException("unknown flags set in " +
        "ModifyCacheDirectiveInfoOp: " + flags);
  }
  return builder.build();
}

Example 6

Source File: FSImageSerialization.java From big-c with Apache License 2.0

6 votes

public static CacheDirectiveInfo readCacheDirectiveInfo(Stanza st)
    throws InvalidXmlException {
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder();
  builder.setId(Long.parseLong(st.getValue("ID")));
  String path = st.getValueOrNull("PATH");
  if (path != null) {
    builder.setPath(new Path(path));
  }
  String replicationString = st.getValueOrNull("REPLICATION");
  if (replicationString != null) {
    builder.setReplication(Short.parseShort(replicationString));
  }
  String pool = st.getValueOrNull("POOL");
  if (pool != null) {
    builder.setPool(pool);
  }
  String expiryTime = st.getValueOrNull("EXPIRATION");
  if (expiryTime != null) {
    builder.setExpiration(CacheDirectiveInfo.Expiration.newAbsolute(
        Long.parseLong(expiryTime)));
  }
  return builder.build();
}

Example 7

Source File: CacheManager.java From big-c with Apache License 2.0

6 votes

/**
 * Factory method that makes a new CacheDirectiveInfo by applying fields in a
 * CacheDirectiveInfo to an existing CacheDirective.
 * 
 * @param info with some or all fields set.
 * @param defaults directive providing default values for unset fields in
 *          info.
 * 
 * @return new CacheDirectiveInfo of the info applied to the defaults.
 */
private static CacheDirectiveInfo createFromInfoAndDefaults(
    CacheDirectiveInfo info, CacheDirective defaults) {
  // Initialize the builder with the default values
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder(defaults.toInfo());
  // Replace default with new value if present
  if (info.getPath() != null) {
    builder.setPath(info.getPath());
  }
  if (info.getReplication() != null) {
    builder.setReplication(info.getReplication());
  }
  if (info.getPool() != null) {
    builder.setPool(info.getPool());
  }
  if (info.getExpiration() != null) {
    builder.setExpiration(info.getExpiration());
  }
  return builder.build();
}

Example 8

Source File: PBHelper.java From big-c with Apache License 2.0

6 votes

public static CacheDirectiveInfo convert
    (CacheDirectiveInfoProto proto) {
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder();
  if (proto.hasId()) {
    builder.setId(proto.getId());
  }
  if (proto.hasPath()) {
    builder.setPath(new Path(proto.getPath()));
  }
  if (proto.hasReplication()) {
    builder.setReplication(Shorts.checkedCast(
        proto.getReplication()));
  }
  if (proto.hasPool()) {
    builder.setPool(proto.getPool());
  }
  if (proto.hasExpiration()) {
    builder.setExpiration(convert(proto.getExpiration()));
  }
  return builder.build();
}

Example 9

Source File: CacheAdmin.java From hadoop with Apache License 2.0

4 votes

@Override
public int run(Configuration conf, List<String> args) throws IOException {
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder();
  String pathFilter = StringUtils.popOptionWithArgument("-path", args);
  if (pathFilter != null) {
    builder.setPath(new Path(pathFilter));
  }
  String poolFilter = StringUtils.popOptionWithArgument("-pool", args);
  if (poolFilter != null) {
    builder.setPool(poolFilter);
  }
  boolean printStats = StringUtils.popOption("-stats", args);
  String idFilter = StringUtils.popOptionWithArgument("-id", args);
  if (idFilter != null) {
    builder.setId(Long.parseLong(idFilter));
  }
  if (!args.isEmpty()) {
    System.err.println("Can't understand argument: " + args.get(0));
    return 1;
  }
  TableListing.Builder tableBuilder = new TableListing.Builder().
      addField("ID", Justification.RIGHT).
      addField("POOL", Justification.LEFT).
      addField("REPL", Justification.RIGHT).
      addField("EXPIRY", Justification.LEFT).
      addField("PATH", Justification.LEFT);
  if (printStats) {
    tableBuilder.addField("BYTES_NEEDED", Justification.RIGHT).
                addField("BYTES_CACHED", Justification.RIGHT).
                addField("FILES_NEEDED", Justification.RIGHT).
                addField("FILES_CACHED", Justification.RIGHT);
  }
  TableListing tableListing = tableBuilder.build();
  try {
    DistributedFileSystem dfs = AdminHelper.getDFS(conf);
    RemoteIterator<CacheDirectiveEntry> iter =
        dfs.listCacheDirectives(builder.build());
    int numEntries = 0;
    while (iter.hasNext()) {
      CacheDirectiveEntry entry = iter.next();
      CacheDirectiveInfo directive = entry.getInfo();
      CacheDirectiveStats stats = entry.getStats();
      List<String> row = new LinkedList<String>();
      row.add("" + directive.getId());
      row.add(directive.getPool());
      row.add("" + directive.getReplication());
      String expiry;
      // This is effectively never, round for nice printing
      if (directive.getExpiration().getMillis() >
          Expiration.MAX_RELATIVE_EXPIRY_MS / 2) {
        expiry = "never";
      } else {
        expiry = directive.getExpiration().toString();
      }
      row.add(expiry);
      row.add(directive.getPath().toUri().getPath());
      if (printStats) {
        row.add("" + stats.getBytesNeeded());
        row.add("" + stats.getBytesCached());
        row.add("" + stats.getFilesNeeded());
        row.add("" + stats.getFilesCached());
      }
      tableListing.addRow(row.toArray(new String[row.size()]));
      numEntries++;
    }
    System.out.print(String.format("Found %d entr%s%n",
        numEntries, numEntries == 1 ? "y" : "ies"));
    if (numEntries > 0) {
      System.out.print(tableListing);
    }
  } catch (IOException e) {
    System.err.println(AdminHelper.prettifyException(e));
    return 2;
  }
  return 0;
}

Example 10

Source File: CacheAdmin.java From big-c with Apache License 2.0

4 votes

@Override
public int run(Configuration conf, List<String> args) throws IOException {
  CacheDirectiveInfo.Builder builder =
      new CacheDirectiveInfo.Builder();
  String pathFilter = StringUtils.popOptionWithArgument("-path", args);
  if (pathFilter != null) {
    builder.setPath(new Path(pathFilter));
  }
  String poolFilter = StringUtils.popOptionWithArgument("-pool", args);
  if (poolFilter != null) {
    builder.setPool(poolFilter);
  }
  boolean printStats = StringUtils.popOption("-stats", args);
  String idFilter = StringUtils.popOptionWithArgument("-id", args);
  if (idFilter != null) {
    builder.setId(Long.parseLong(idFilter));
  }
  if (!args.isEmpty()) {
    System.err.println("Can't understand argument: " + args.get(0));
    return 1;
  }
  TableListing.Builder tableBuilder = new TableListing.Builder().
      addField("ID", Justification.RIGHT).
      addField("POOL", Justification.LEFT).
      addField("REPL", Justification.RIGHT).
      addField("EXPIRY", Justification.LEFT).
      addField("PATH", Justification.LEFT);
  if (printStats) {
    tableBuilder.addField("BYTES_NEEDED", Justification.RIGHT).
                addField("BYTES_CACHED", Justification.RIGHT).
                addField("FILES_NEEDED", Justification.RIGHT).
                addField("FILES_CACHED", Justification.RIGHT);
  }
  TableListing tableListing = tableBuilder.build();
  try {
    DistributedFileSystem dfs = AdminHelper.getDFS(conf);
    RemoteIterator<CacheDirectiveEntry> iter =
        dfs.listCacheDirectives(builder.build());
    int numEntries = 0;
    while (iter.hasNext()) {
      CacheDirectiveEntry entry = iter.next();
      CacheDirectiveInfo directive = entry.getInfo();
      CacheDirectiveStats stats = entry.getStats();
      List<String> row = new LinkedList<String>();
      row.add("" + directive.getId());
      row.add(directive.getPool());
      row.add("" + directive.getReplication());
      String expiry;
      // This is effectively never, round for nice printing
      if (directive.getExpiration().getMillis() >
          Expiration.MAX_RELATIVE_EXPIRY_MS / 2) {
        expiry = "never";
      } else {
        expiry = directive.getExpiration().toString();
      }
      row.add(expiry);
      row.add(directive.getPath().toUri().getPath());
      if (printStats) {
        row.add("" + stats.getBytesNeeded());
        row.add("" + stats.getBytesCached());
        row.add("" + stats.getFilesNeeded());
        row.add("" + stats.getFilesCached());
      }
      tableListing.addRow(row.toArray(new String[row.size()]));
      numEntries++;
    }
    System.out.print(String.format("Found %d entr%s%n",
        numEntries, numEntries == 1 ? "y" : "ies"));
    if (numEntries > 0) {
      System.out.print(tableListing);
    }
  } catch (IOException e) {
    System.err.println(AdminHelper.prettifyException(e));
    return 2;
  }
  return 0;
}