Package com.linkedin.helix

Examples of com.linkedin.helix.ZNRecord

165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
      LOG.error("ZNode is empty.");
      return null;
    }
   
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    ZNRecord record = null;

    try
    {
      JsonFactory f = new JsonFactory();
      JsonParser jp = f.createJsonParser(bais);

      jp.nextToken(); // will return JsonToken.START_OBJECT (verify?)
      while (jp.nextToken() != JsonToken.END_OBJECT)
      {
        String fieldname = jp.getCurrentName();
        jp.nextToken(); // move to value, or START_OBJECT/START_ARRAY
        if ("id".equals(fieldname))
        {
          // contains an object
          record = new ZNRecord(jp.getText());
        }
        else if ("simpleFields".equals(fieldname))
        {
          while (jp.nextToken() != JsonToken.END_OBJECT)
          {
            String key = jp.getCurrentName();
            jp.nextToken(); // move to value
            record.setSimpleField(key, jp.getText());
          }
        }
        else if ("mapFields".equals(fieldname))
        {
          // user.setVerified(jp.getCurrentToken() == JsonToken.VALUE_TRUE);
          while (jp.nextToken() != JsonToken.END_OBJECT)
          {
            String key = jp.getCurrentName();
            record.setMapField(key, new TreeMap<String, String>());
            jp.nextToken(); // move to value

            while (jp.nextToken() != JsonToken.END_OBJECT)
            {
              String mapKey = jp.getCurrentName();
              jp.nextToken(); // move to value
              record.getMapField(key).put(mapKey, jp.getText());
            }
          }

        }
        else if ("listFields".equals(fieldname))
        {
          // user.setUserImage(jp.getBinaryValue());
          while (jp.nextToken() != JsonToken.END_OBJECT)
          {
            String key = jp.getCurrentName();
            record.setListField(key, new ArrayList<String>());
            jp.nextToken(); // move to value
            while (jp.nextToken() != JsonToken.END_ARRAY)
            {
              record.getListField(key).add(jp.getText());
            }

          }

        }
View Full Code Here
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
    return record;
  }

  public static void main(String[] args)
  {
    ZNRecord record = new ZNRecord("record");
    final int recordSize = 10;
    for (int i = 0; i < recordSize; i++)
    {
      record.setSimpleField("" + i, "" + i);
      record.setListField("" + i, new ArrayList<String>());
      for (int j = 0; j < recordSize; j++)
      {
        record.getListField("" + i).add("" + j);
      }

      record.setMapField("" + i, new TreeMap<String, String>());
      for (int j = 0; j < recordSize; j++)
      {
        record.getMapField("" + i).put("" + j, "" + j);
      }
    }

    ZNRecordStreamingSerializer serializer = new ZNRecordStreamingSerializer();
    byte[] bytes = serializer.serialize(record);
    System.out.println(new String(bytes));
    ZNRecord record2 = (ZNRecord) serializer.deserialize(bytes);
    System.out.println(record2);

    long start = System.currentTimeMillis();
    for (int i = 0; i < 100; i++)
    {
View Full Code Here
97
98
99
100
101
102
103
104
105
106
107
108
    case EXTERNALVIEW:
      // check if bucketized
      if (value.getBucketSize() > 0)
      {
        // set parent node
        ZNRecord metaRecord = new ZNRecord(value.getId());
        metaRecord.setSimpleFields(value.getRecord().getSimpleFields());
        success = _baseDataAccessor.set(path, metaRecord, options);
        if (success)
        {
          ZNRecordBucketizer bucketizer = new ZNRecordBucketizer(value.getBucketSize());
View Full Code Here
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
    // check if bucketized
    for (int i = 0; i < keys.size(); i++)
    {
      PropertyKey key = keys.get(i);
      ZNRecord record = children.get(i);

      PropertyType type = key.getType();
      String path = key.getPath();
      int options = constructOptions(type);
      // ZNRecord record = null;

      switch (type)
      {
      case CURRENTSTATES:
      case IDEALSTATES:
      case EXTERNALVIEW:
        // check if bucketized
        if (record != null)
        {
          HelixProperty property = new HelixProperty(record);

          int bucketSize = property.getBucketSize();
          if (bucketSize > 0)
          {
            List<ZNRecord> childRecords =
                _baseDataAccessor.getChildren(path, null, options);
            ZNRecord assembledRecord = new ZNRecordAssembler().assemble(childRecords);

            // merge with parent node value
            if (assembledRecord != null)
            {
              record.getSimpleFields().putAll(assembledRecord.getSimpleFields());
              record.getListFields().putAll(assembledRecord.getListFields());
              record.getMapFields().putAll(assembledRecord.getMapFields());
            }
          }
        }
        break;
      default:
View Full Code Here
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
  public <T extends HelixProperty> T getProperty(PropertyKey key)
  {
    PropertyType type = key.getType();
    String path = key.getPath();
    int options = constructOptions(type);
    ZNRecord record = null;
    try
    {
      record = _baseDataAccessor.get(path, null, options);
    }
    catch (ZkNoNodeException e)
    {
      // OK
    }

    switch (type)
    {
    case CURRENTSTATES:
    case IDEALSTATES:
    case EXTERNALVIEW:
      // check if bucketized
      if (record != null)
      {
        HelixProperty property = new HelixProperty(record);

        int bucketSize = property.getBucketSize();
        if (bucketSize > 0)
        {
          List<ZNRecord> childRecords =
              _baseDataAccessor.getChildren(path, null, options);
          ZNRecord assembledRecord = new ZNRecordAssembler().assemble(childRecords);

          // merge with parent node value
          if (assembledRecord != null)
          {
            record.getSimpleFields().putAll(assembledRecord.getSimpleFields());
            record.getListFields().putAll(assembledRecord.getListFields());
            record.getMapFields().putAll(assembledRecord.getMapFields());
          }
        }
      }
      break;
    default:
View Full Code Here
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
            {
              // TODO: fix this if record.id != pathName
              String childPath = parentPath + "/" + record.getId();
              List<ZNRecord> childRecords =
                  _baseDataAccessor.getChildren(childPath, null, options);
              ZNRecord assembledRecord = new ZNRecordAssembler().assemble(childRecords);

              // merge with parent node value
              if (assembledRecord != null)
              {
                record.getSimpleFields().putAll(assembledRecord.getSimpleFields());
                record.getListFields().putAll(assembledRecord.getListFields());
                record.getMapFields().putAll(assembledRecord.getMapFields());
              }
            }
          }

          break;
View Full Code Here
470
471
472
473
474
475
476
477
478
479
480
481
        {
          records.add(value.getRecord());
        }
        else
        {
          ZNRecord metaRecord = new ZNRecord(value.getId());
          metaRecord.setSimpleFields(value.getRecord().getSimpleFields());
          records.add(metaRecord);

          ZNRecordBucketizer bucketizer = new ZNRecordBucketizer(value.getBucketSize());

          Map<String, ZNRecord> map = bucketizer.bucketize(value.getRecord());
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
      // null is NOT an instance of any class
      logger.error("Input object must be of type ZNRecord but it is " + data + ". Will not write to zk");
      throw new HelixException("Input object is not of type ZNRecord (was " + data + ")");
    }

    ZNRecord record = (ZNRecord) data;
   
    // apply retention policy
    int max = getListFieldBound(record);
    if (max < Integer.MAX_VALUE)
    {
      Map<String, List<String>> listMap = record.getListFields();
      for (String key : listMap.keySet())
      {
        List<String> list = listMap.get(key);
        if (list.size() > max)
        {
          listMap.put(key, list.subList(0, max));
        }
      }
    }

    // do serialization
    ObjectMapper mapper = new ObjectMapper();
    SerializationConfig serializationConfig = mapper.getSerializationConfig();
    serializationConfig.set(SerializationConfig.Feature.INDENT_OUTPUT, true);
    serializationConfig.set(SerializationConfig.Feature.AUTO_DETECT_FIELDS, true);
    serializationConfig.set(SerializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS, true);
    StringWriter sw = new StringWriter();
    try
    {
      mapper.writeValue(sw, data);
    } catch (Exception e)
    {
      logger.error("Exception during data serialization. Will not write to zk. Data (first 1k): "
          + sw.toString().substring(0, 1024), e);
      throw new HelixException(e);
    }
   
    if (sw.toString().getBytes().length > ZNRecord.SIZE_LIMIT)
    {
      logger.error("Data size larger than 1M, ZNRecord.id: " + record.getId()
          + ". Will not write to zk. Data (first 1k): " + sw.toString().substring(0, 1024));
      throw new HelixException("Data size larger than 1M, ZNRecord.id: " + record.getId());
    }
    return sw.toString().getBytes();
  }
View Full Code Here
120
121
122
123
124
125
126
127
128
129
130
    deserializationConfig.set(DeserializationConfig.Feature.AUTO_DETECT_FIELDS, true);
    deserializationConfig.set(DeserializationConfig.Feature.AUTO_DETECT_SETTERS, true);
    deserializationConfig.set(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, true);
    try
    {
      ZNRecord zn = mapper.readValue(bais, ZNRecord.class);
      return zn;
    } catch (Exception e)
    {
      logger.error("Exception during deserialization of bytes: " + new String(bytes), e);
      return null;
View Full Code Here
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
        {
        }
      }

      // Parse the message template
      ZNRecord record = new ZNRecord("templateMessage");
      record.getSimpleFields().putAll(
          _message.getRecord().getMapField("MessageTemplate"));
      Message messageTemplate = new Message(record);

      // Parse the criteria
      StringReader sr = new StringReader(_message.getRecord().getSimpleField(
          "Criteria"));
      ObjectMapper mapper = new ObjectMapper();
      Criteria recipientCriteria;
      try
      {
        recipientCriteria = mapper.readValue(sr, Criteria.class);
      } catch (Exception e)
      {
        _logger.error("", e);
        result.setException(e);
        result.setSuccess(false);
        return result;
      }
      _logger.info("Scheduler sending message, criteria:" + recipientCriteria);
     
      boolean waitAll = false;
      if(_message.getRecord().getSimpleField(DefaultSchedulerMessageHandlerFactory.WAIT_ALL) !=null)
      {
        try
        {
          waitAll = Boolean.parseBoolean(_message.getRecord().getSimpleField(DefaultSchedulerMessageHandlerFactory.WAIT_ALL));
        }
        catch(Exception e)
        {
          _logger.warn("",e);
        }
      }
      // Send all messages.
     
      int nMsgsSent = 0;
      SchedulerAsyncCallback callback = new SchedulerAsyncCallback(_message, _manager);
      if(waitAll)
      {
        nMsgsSent = _manager.getMessagingService().sendAndWait(recipientCriteria,
            messageTemplate,
            callback,
            timeOut);
      }
      else
      {
        nMsgsSent = _manager.getMessagingService().send(recipientCriteria,
            messageTemplate,
            callback,
            timeOut);
      }
      HelixDataAccessor accessor = _manager.getHelixDataAccessor();
      Builder keyBuilder = accessor.keyBuilder();

      // Record the number of messages sent into status updates
      Map<String, String> sendSummary = new HashMap<String, String>();
      sendSummary.put("MessageCount", "" + nMsgsSent);
     
      ZNRecord statusUpdate = accessor.getProperty(
          keyBuilder.controllerTaskStatus(MessageType.SCHEDULER_MSG.toString(),
              _message.getMsgId())).getRecord();

      statusUpdate.getMapFields().put("SentMessageCount", sendSummary);

      accessor.setProperty(keyBuilder.controllerTaskStatus(
          MessageType.SCHEDULER_MSG.toString(), _message.getMsgId()),
          new StatusUpdate(statusUpdate));
View Full Code Here
TOP

Related Classes of com.linkedin.helix.ZNRecord

  • com.linkedin.helix.alerts.TestAddAlerts
  • com.linkedin.helix.alerts.TestAddPersistentStats
  • com.linkedin.helix.alerts.TestArrivingParticipantStats
  • com.linkedin.helix.controller.restlet.ZKPropertyTransferServer
  • com.linkedin.helix.controller.stages.BaseStageTest
  • com.linkedin.helix.controller.stages.StatsAggregationStage
  • com.linkedin.helix.controller.stages.TestResourceComputationStage
  • com.linkedin.helix.controller.TestControllerRebalancingTimer
  • com.linkedin.helix.healthcheck.TestAlertActionTriggering
  • com.linkedin.helix.healthcheck.TestAlertFireHistory
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.