Examples with LinkedHashMap java.util.LinkedHashMap used on opensource projects

Example 26 with LinkedHashMap

use of java.util.LinkedHashMap in project hadoop by apache.

the class FSOperations method xAttrNamesToJSON.

/**
   * Converts xAttr names to a JSON object.
   *
   * @param names file xAttr names.
   *
   * @return The JSON representation of the xAttr names.
   * @throws IOException 
   */
@SuppressWarnings({ "unchecked", "rawtypes" })
private static Map xAttrNamesToJSON(List<String> names) throws IOException {
    Map jsonMap = new LinkedHashMap();
    jsonMap.put(HttpFSFileSystem.XATTRNAMES_JSON, JSONArray.toJSONString(names));
    return jsonMap;
}

Example 27 with LinkedHashMap

use of java.util.LinkedHashMap in project hadoop by apache.

the class FSOperations method aclStatusToJSON.

/** Converts an <code>AclStatus</code> object into a JSON object.
   *
   * @param aclStatus AclStatus object
   *
   * @return The JSON representation of the ACLs for the file
   */
@SuppressWarnings({ "unchecked" })
private static Map<String, Object> aclStatusToJSON(AclStatus aclStatus) {
    Map<String, Object> json = new LinkedHashMap<String, Object>();
    Map<String, Object> inner = new LinkedHashMap<String, Object>();
    JSONArray entriesArray = new JSONArray();
    inner.put(HttpFSFileSystem.OWNER_JSON, aclStatus.getOwner());
    inner.put(HttpFSFileSystem.GROUP_JSON, aclStatus.getGroup());
    inner.put(HttpFSFileSystem.ACL_STICKY_BIT_JSON, aclStatus.isStickyBit());
    for (AclEntry e : aclStatus.getEntries()) {
        entriesArray.add(e.toString());
    }
    inner.put(HttpFSFileSystem.ACL_ENTRIES_JSON, entriesArray);
    json.put(HttpFSFileSystem.ACL_STATUS_JSON, inner);
    return json;
}

Example 28 with LinkedHashMap

use of java.util.LinkedHashMap in project hadoop by apache.

the class FSOperations method toJson.

/**
   * @param fileStatuses list of FileStatus objects
   * @return JSON map suitable for wire transport
   */
@SuppressWarnings({ "unchecked" })
private static Map<String, Object> toJson(FileStatus[] fileStatuses) {
    Map<String, Object> json = new LinkedHashMap<>();
    Map<String, Object> inner = new LinkedHashMap<>();
    JSONArray statuses = new JSONArray();
    for (FileStatus f : fileStatuses) {
        statuses.add(toJsonInner(f, false));
    }
    inner.put(HttpFSFileSystem.FILE_STATUS_JSON, statuses);
    json.put(HttpFSFileSystem.FILE_STATUSES_JSON, inner);
    return json;
}

Example 29 with LinkedHashMap

use of java.util.LinkedHashMap in project hadoop by apache.

the class FSOperations method fileChecksumToJSON.

/**
   * Converts a <code>FileChecksum</code> object into a JSON array
   * object.
   *
   * @param checksum file checksum.
   *
   * @return The JSON representation of the file checksum.
   */
@SuppressWarnings({ "unchecked" })
private static Map fileChecksumToJSON(FileChecksum checksum) {
    Map json = new LinkedHashMap();
    json.put(HttpFSFileSystem.CHECKSUM_ALGORITHM_JSON, checksum.getAlgorithmName());
    json.put(HttpFSFileSystem.CHECKSUM_BYTES_JSON, org.apache.hadoop.util.StringUtils.byteToHexString(checksum.getBytes()));
    json.put(HttpFSFileSystem.CHECKSUM_LENGTH_JSON, checksum.getLength());
    Map response = new LinkedHashMap();
    response.put(HttpFSFileSystem.FILE_CHECKSUM_JSON, json);
    return response;
}

Example 30 with LinkedHashMap

use of java.util.LinkedHashMap in project hadoop by apache.

the class RumenToSLSConverter method createSLSTasks.

@SuppressWarnings("unchecked")
private static List createSLSTasks(String taskType, List rumenTasks, long offset) {
    int priority = taskType.equals("reduce") ? 10 : 20;
    List array = new ArrayList();
    for (Object e : rumenTasks) {
        Map rumenTask = (Map) e;
        for (Object ee : (List) rumenTask.get("attempts")) {
            Map rumenAttempt = (Map) ee;
            long taskStart = (Long) rumenAttempt.get("startTime");
            long taskFinish = (Long) rumenAttempt.get("finishTime");
            String hostname = (String) rumenAttempt.get("hostName");
            taskStart = taskStart - baseline + offset;
            taskFinish = taskFinish - baseline + offset;
            Map task = new LinkedHashMap();
            task.put("container.host", hostname);
            task.put("container.start.ms", taskStart);
            task.put("container.end.ms", taskFinish);
            task.put("container.priority", priority);
            task.put("container.type", taskType);
            array.add(task);
            String[] rackHost = SLSUtils.getRackHostName(hostname);
            if (rackNodeMap.containsKey(rackHost[0])) {
                rackNodeMap.get(rackHost[0]).add(rackHost[1]);
            } else {
                Set<String> hosts = new TreeSet<String>();
                hosts.add(rackHost[1]);
                rackNodeMap.put(rackHost[0], hosts);
            }
        }
    }
    return array;
}