Examples of org.apache.hadoop.hdfs.protocol.CachePoolInfo

org.apache.hadoop.hdfs.protocol.CachePoolInfo
CachePoolInfo describes a cache pool. This class is used in RPCs to create and modify cache pools. It is serializable and can be stored in the edit log.

      this.directive = directive;
    }


    @Override
    void prepare() throws Exception {
      dfs.addCachePool(new CachePoolInfo(directive.getPool()));
    }

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      this.newReplication = newReplication;
    }


    @Override
    void prepare() throws Exception {
      dfs.addCachePool(new CachePoolInfo(directive.getPool()));
      id = client.addCacheDirective(directive, EnumSet.of(CacheFlag.FORCE));
    }

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          build();
    }


    @Override
    void prepare() throws Exception {
      dfs.addCachePool(new CachePoolInfo(directive.getPool()));
      id = dfs.addCacheDirective(directive, EnumSet.of(CacheFlag.FORCE));
    }

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    void prepare() throws Exception {
    }


    @Override
    void invoke() throws Exception {
      client.addCachePool(new CachePoolInfo(pool));
    }

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      this.pool = pool;
    }


    @Override
    void prepare() throws Exception {
      client.addCachePool(new CachePoolInfo(pool).setLimit(10l));
    }

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      client.addCachePool(new CachePoolInfo(pool).setLimit(10l));
    }


    @Override
    void invoke() throws Exception {
      client.modifyCachePool(new CachePoolInfo(pool).setLimit(99l));
    }

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      this.pool = pool;
    }


    @Override
    void prepare() throws Exception {
      client.addCachePool(new CachePoolInfo(pool));
    }

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      if (name == null) {
        System.err.println("You must specify a name when creating a " +
            "cache pool.");
        return 1;
      }
      CachePoolInfo info = new CachePoolInfo(name);


      String owner = StringUtils.popOptionWithArgument("-owner", args);
      if (owner != null) {
        info.setOwnerName(owner);
      }
      String group = StringUtils.popOptionWithArgument("-group", args);
      if (group != null) {
        info.setGroupName(group);
      }
      String modeString = StringUtils.popOptionWithArgument("-mode", args);
      if (modeString != null) {
        short mode = Short.parseShort(modeString, 8);
        info.setMode(new FsPermission(mode));
      }
      String limitString = StringUtils.popOptionWithArgument("-limit", args);
      Long limit = parseLimitString(limitString);
      if (limit != null) {
        info.setLimit(limit);
      }
      String maxTtlString = StringUtils.popOptionWithArgument("-maxTtl", args);
      try {
        Long maxTtl = parseTtlString(maxTtlString);
        if (maxTtl != null) {
          info.setMaxRelativeExpiryMs(maxTtl);
        }
      } catch (IOException e) {
        System.err.println(
            "Error while parsing maxTtl value: " + e.getMessage());
        return 1;

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          Joiner.on(" ").join(args) + "\n");
        System.err.println("Usage is " + getShortUsage());
        return 1;
      }
      boolean changed = false;
      CachePoolInfo info = new CachePoolInfo(name);
      if (owner != null) {
        info.setOwnerName(owner);
        changed = true;
      }
      if (group != null) {
        info.setGroupName(group);
        changed = true;
      }
      if (mode != null) {
        info.setMode(new FsPermission(mode.shortValue()));
        changed = true;
      }
      if (limit != null) {
        info.setLimit(limit);
        changed = true;
      }
      if (maxTtl != null) {
        info.setMaxRelativeExpiryMs(maxTtl);
        changed = true;
      }
      if (!changed) {
        System.err.println("You must specify at least one attribute to " +
            "change in the cache pool.");

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      int numResults = 0;
      try {
        RemoteIterator<CachePoolEntry> iter = dfs.listCachePools();
        while (iter.hasNext()) {
          CachePoolEntry entry = iter.next();
          CachePoolInfo info = entry.getInfo();
          LinkedList<String> row = new LinkedList<String>();
          if (name == null || info.getPoolName().equals(name)) {
            row.add(info.getPoolName());
            row.add(info.getOwnerName());
            row.add(info.getGroupName());
            row.add(info.getMode() != null ? info.getMode().toString() : null);
            Long limit = info.getLimit();
            String limitString;
            if (limit != null && limit.equals(CachePoolInfo.LIMIT_UNLIMITED)) {
              limitString = "unlimited";
            } else {
              limitString = "" + limit;
            }
            row.add(limitString);
            Long maxTtl = info.getMaxRelativeExpiryMs();
            String maxTtlString = null;


            if (maxTtl != null) {
              if (maxTtl.longValue() == CachePoolInfo.RELATIVE_EXPIRY_NEVER) {
                maxTtlString  = "never";

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