Examples with StringByteIterator site.ycsb.StringByteIterator used on opensource projects

Example 11 with StringByteIterator

use of site.ycsb.StringByteIterator in project YCSB by brianfrankcooper.

the class ZKClient method deserializeValues.

private Map<String, ByteIterator> deserializeValues(final byte[] data, final Set<String> fields, final Map<String, ByteIterator> result) {
    JSONObject jsonObject = (JSONObject) JSONValue.parse(new String(data, UTF_8));
    Iterator<String> iterator = jsonObject.keySet().iterator();
    while (iterator.hasNext()) {
        String field = iterator.next();
        String value = jsonObject.get(field).toString();
        if (fields == null || fields.contains(field)) {
            result.put(field, new StringByteIterator(value));
        }
    }
    return result;
}

Example 12 with StringByteIterator

use of site.ycsb.StringByteIterator in project YCSB by brianfrankcooper.

the class SeaweedClient method fromJson.

protected static void fromJson(String value, Set<String> fields, Map<String, ByteIterator> result) throws IOException {
    JsonNode json = MAPPER.readTree(value);
    boolean checkFields = fields != null && !fields.isEmpty();
    for (Iterator<Map.Entry<String, JsonNode>> jsonFields = json.getFields(); jsonFields.hasNext(); ) /* increment in loop body */
    {
        Map.Entry<String, JsonNode> jsonField = jsonFields.next();
        String name = jsonField.getKey();
        if (checkFields && !fields.contains(name)) {
            continue;
        }
        JsonNode jsonValue = jsonField.getValue();
        if (jsonValue != null && !jsonValue.isNull()) {
            result.put(name, new StringByteIterator(jsonValue.asText()));
        }
    }
}

Example 13 with StringByteIterator

use of site.ycsb.StringByteIterator in project YCSB by brianfrankcooper.

the class SolrClient method scan.

/**
 * Perform a range scan for a set of records in the database. Each field/value pair from the
 * result will be stored in a HashMap.
 *
 * @param table
 *          The name of the table
 * @param startkey
 *          The record key of the first record to read.
 * @param recordcount
 *          The number of records to read
 * @param fields
 *          The list of fields to read, or null for all of them
 * @param result
 *          A Vector of HashMaps, where each HashMap is a set field/value pairs for one record
 * @return Zero on success, a non-zero error code on error. See this class's description for a
 *         discussion of error codes.
 */
@Override
public Status scan(String table, String startkey, int recordcount, Set<String> fields, Vector<HashMap<String, ByteIterator>> result) {
    try {
        Boolean returnFields = false;
        String[] fieldList = null;
        if (fields != null) {
            returnFields = true;
            fieldList = fields.toArray(new String[fields.size()]);
        }
        SolrQuery query = new SolrQuery();
        query.setQuery("*:*");
        query.setParam("fq", "id:[ " + startkey + " TO * ]");
        if (returnFields) {
            query.setFields(fieldList);
        }
        query.setRows(recordcount);
        final QueryResponse response = client.query(table, query);
        SolrDocumentList results = response.getResults();
        HashMap<String, ByteIterator> entry;
        for (SolrDocument hit : results) {
            entry = new HashMap<>((int) results.getNumFound());
            for (String field : hit.getFieldNames()) {
                entry.put(field, new StringByteIterator(String.valueOf(hit.getFirstValue(field))));
            }
            result.add(entry);
        }
        return checkStatus(response.getStatus());
    } catch (IOException | SolrServerException e) {
        e.printStackTrace();
    }
    return Status.ERROR;
}

Example 14 with StringByteIterator

use of site.ycsb.StringByteIterator in project YCSB by brianfrankcooper.

the class SolrClient method read.

/**
 * Read a record from the database. Each field/value pair from the result will be stored in a
 * HashMap.
 *
 * @param table
 *          The name of the table
 * @param key
 *          The record key of the record to read.
 * @param fields
 *          The list of fields to read, or null for all of them
 * @param result
 *          A HashMap of field/value pairs for the result
 * @return Zero on success, a non-zero error code on error or "not found".
 */
@Override
public Status read(String table, String key, Set<String> fields, Map<String, ByteIterator> result) {
    try {
        Boolean returnFields = false;
        String[] fieldList = null;
        if (fields != null) {
            returnFields = true;
            fieldList = fields.toArray(new String[fields.size()]);
        }
        SolrQuery query = new SolrQuery();
        query.setQuery("id:" + key);
        if (returnFields) {
            query.setFields(fieldList);
        }
        final QueryResponse response = client.query(table, query);
        SolrDocumentList results = response.getResults();
        if ((results != null) && (results.getNumFound() > 0)) {
            for (String field : results.get(0).getFieldNames()) {
                result.put(field, new StringByteIterator(String.valueOf(results.get(0).getFirstValue(field))));
            }
        }
        return checkStatus(response.getStatus());
    } catch (IOException | SolrServerException e) {
        e.printStackTrace();
    }
    return Status.ERROR;
}

Example 15 with StringByteIterator

use of site.ycsb.StringByteIterator in project YCSB by brianfrankcooper.

the class SolrClientBaseTest method testUpdate.

@Test
public void testUpdate() throws Exception {
    HashMap<String, ByteIterator> newValues = new HashMap<>(NUM_RECORDS);
    for (int i = 0; i < NUM_RECORDS; i++) {
        newValues.put(FIELD_PREFIX + i, new StringByteIterator("newvalue" + i));
    }
    Status result = instance.update(MOCK_TABLE, MOCK_KEY1, newValues);
    assertEquals(Status.OK, result);
    // validate that the values changed
    HashMap<String, ByteIterator> resultParam = new HashMap<>(NUM_RECORDS);
    instance.read(MOCK_TABLE, MOCK_KEY1, MOCK_DATA.keySet(), resultParam);
    for (int i = 0; i < NUM_RECORDS; i++) {
        assertEquals("newvalue" + i, resultParam.get(FIELD_PREFIX + i).toString());
    }
}