Example usage for org.apache.hadoop.hdfs.protocol HdfsFileStatus getStoragePolicy

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.protocol HdfsFileStatus getStoragePolicy.

Prototype

byte getStoragePolicy();

Source Link

Usage

From source file:com.bigstep.datalake.JsonUtil.java

License:Apache License

/**
 * Convert a HdfsFileStatus object to a Json string.
 * @param status input status//from   w  ww  .  j a  v a  2s  . c om
 * @param includeType type to use
 * @return the json
 */
public static String toJsonString(final HdfsFileStatus status, boolean includeType) {
    if (status == null) {
        return null;
    }
    final Map<String, Object> m = new TreeMap<String, Object>();
    m.put("pathSuffix", status.getLocalName());
    m.put("type", PathType.valueOf(status));
    if (status.isSymlink()) {
        m.put("symlink", status.getSymlink());
    }

    m.put("length", status.getLen());
    m.put("owner", status.getOwner());
    m.put("group", status.getGroup());
    FsPermission perm = status.getPermission();
    m.put("permission", toString(perm));
    if (perm.getAclBit()) {
        m.put("aclBit", true);
    }
    if (perm.getEncryptedBit()) {
        m.put("encBit", true);
    }
    m.put("accessTime", status.getAccessTime());
    m.put("modificationTime", status.getModificationTime());
    m.put("blockSize", status.getBlockSize());
    m.put("replication", status.getReplication());
    m.put("fileId", status.getFileId());
    m.put("childrenNum", status.getChildrenNum());
    m.put("storagePolicy", status.getStoragePolicy());

    Gson gson = new Gson();

    return includeType ? toJsonString(FileStatus.class, m) : gson.toJson(m);

}

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From source file:com.mellanox.r4h.DFSOutputStream.java

License:Apache License

private static boolean isLazyPersist(HdfsFileStatus stat) {
    final BlockStoragePolicy p = blockStoragePolicySuite.getPolicy(HdfsConstants.MEMORY_STORAGE_POLICY_NAME);
    return p != null && stat.getStoragePolicy() == p.getId();
}

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