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

Example 6 with NavigableMap

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

the class TestHBaseTimelineStorageApps method testWriteApplicationToHBase.

@Test
public void testWriteApplicationToHBase() throws Exception {
    TimelineEntities te = new TimelineEntities();
    ApplicationEntity entity = new ApplicationEntity();
    String appId = "application_1000178881110_2002";
    entity.setId(appId);
    Long cTime = 1425016501000L;
    entity.setCreatedTime(cTime);
    // add the info map in Timeline Entity
    Map<String, Object> infoMap = new HashMap<String, Object>();
    infoMap.put("infoMapKey1", "infoMapValue1");
    infoMap.put("infoMapKey2", 10);
    entity.addInfo(infoMap);
    // add the isRelatedToEntity info
    String key = "task";
    String value = "is_related_to_entity_id_here";
    Set<String> isRelatedToSet = new HashSet<String>();
    isRelatedToSet.add(value);
    Map<String, Set<String>> isRelatedTo = new HashMap<String, Set<String>>();
    isRelatedTo.put(key, isRelatedToSet);
    entity.setIsRelatedToEntities(isRelatedTo);
    // add the relatesTo info
    key = "container";
    value = "relates_to_entity_id_here";
    Set<String> relatesToSet = new HashSet<String>();
    relatesToSet.add(value);
    value = "relates_to_entity_id_here_Second";
    relatesToSet.add(value);
    Map<String, Set<String>> relatesTo = new HashMap<String, Set<String>>();
    relatesTo.put(key, relatesToSet);
    entity.setRelatesToEntities(relatesTo);
    // add some config entries
    Map<String, String> conf = new HashMap<String, String>();
    conf.put("config_param1", "value1");
    conf.put("config_param2", "value2");
    entity.addConfigs(conf);
    // add metrics
    Set<TimelineMetric> metrics = new HashSet<>();
    TimelineMetric m1 = new TimelineMetric();
    m1.setId("MAP_SLOT_MILLIS");
    Map<Long, Number> metricValues = new HashMap<Long, Number>();
    long ts = System.currentTimeMillis();
    metricValues.put(ts - 120000, 100000000);
    metricValues.put(ts - 100000, 200000000);
    metricValues.put(ts - 80000, 300000000);
    metricValues.put(ts - 60000, 400000000);
    metricValues.put(ts - 40000, 50000000000L);
    metricValues.put(ts - 20000, 60000000000L);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    entity.addMetrics(metrics);
    // add aggregated metrics
    TimelineEntity aggEntity = new TimelineEntity();
    String type = TimelineEntityType.YARN_APPLICATION.toString();
    aggEntity.setId(appId);
    aggEntity.setType(type);
    long cTime2 = 1425016502000L;
    aggEntity.setCreatedTime(cTime2);
    TimelineMetric aggMetric = new TimelineMetric();
    aggMetric.setId("MEM_USAGE");
    Map<Long, Number> aggMetricValues = new HashMap<Long, Number>();
    long aggTs = ts;
    aggMetricValues.put(aggTs - 120000, 102400000L);
    aggMetric.setType(Type.SINGLE_VALUE);
    aggMetric.setRealtimeAggregationOp(TimelineMetricOperation.SUM);
    aggMetric.setValues(aggMetricValues);
    Set<TimelineMetric> aggMetrics = new HashSet<>();
    aggMetrics.add(aggMetric);
    entity.addMetrics(aggMetrics);
    te.addEntity(entity);
    HBaseTimelineWriterImpl hbi = null;
    try {
        Configuration c1 = util.getConfiguration();
        hbi = new HBaseTimelineWriterImpl();
        hbi.init(c1);
        hbi.start();
        String cluster = "cluster_test_write_app";
        String user = "user1";
        String flow = "s!ome_f\tlow  _n am!e";
        String flowVersion = "AB7822C10F1111";
        long runid = 1002345678919L;
        hbi.write(cluster, user, flow, flowVersion, runid, appId, te);
        // Write entity again, this time without created time.
        entity = new ApplicationEntity();
        appId = "application_1000178881110_2002";
        entity.setId(appId);
        // add the info map in Timeline Entity
        Map<String, Object> infoMap1 = new HashMap<>();
        infoMap1.put("infoMapKey3", "infoMapValue1");
        entity.addInfo(infoMap1);
        te = new TimelineEntities();
        te.addEntity(entity);
        hbi.write(cluster, user, flow, flowVersion, runid, appId, te);
        hbi.stop();
        infoMap.putAll(infoMap1);
        // retrieve the row
        ApplicationRowKey applicationRowKey = new ApplicationRowKey(cluster, user, flow, runid, appId);
        byte[] rowKey = applicationRowKey.getRowKey();
        Get get = new Get(rowKey);
        get.setMaxVersions(Integer.MAX_VALUE);
        Connection conn = ConnectionFactory.createConnection(c1);
        Result result = new ApplicationTable().getResult(c1, conn, get);
        assertTrue(result != null);
        assertEquals(17, result.size());
        // check the row key
        byte[] row1 = result.getRow();
        assertTrue(isApplicationRowKeyCorrect(row1, cluster, user, flow, runid, appId));
        // check info column family
        String id1 = ApplicationColumn.ID.readResult(result).toString();
        assertEquals(appId, id1);
        Long cTime1 = (Long) ApplicationColumn.CREATED_TIME.readResult(result);
        assertEquals(cTime, cTime1);
        Map<String, Object> infoColumns = ApplicationColumnPrefix.INFO.readResults(result, new StringKeyConverter());
        assertEquals(infoMap, infoColumns);
        // Remember isRelatedTo is of type Map<String, Set<String>>
        for (Map.Entry<String, Set<String>> isRelatedToEntry : isRelatedTo.entrySet()) {
            Object isRelatedToValue = ApplicationColumnPrefix.IS_RELATED_TO.readResult(result, isRelatedToEntry.getKey());
            String compoundValue = isRelatedToValue.toString();
            // id7?id9?id6
            Set<String> isRelatedToValues = new HashSet<String>(Separator.VALUES.splitEncoded(compoundValue));
            assertEquals(isRelatedTo.get(isRelatedToEntry.getKey()).size(), isRelatedToValues.size());
            for (String v : isRelatedToEntry.getValue()) {
                assertTrue(isRelatedToValues.contains(v));
            }
        }
        // RelatesTo
        for (Map.Entry<String, Set<String>> relatesToEntry : relatesTo.entrySet()) {
            String compoundValue = ApplicationColumnPrefix.RELATES_TO.readResult(result, relatesToEntry.getKey()).toString();
            // id3?id4?id5
            Set<String> relatesToValues = new HashSet<String>(Separator.VALUES.splitEncoded(compoundValue));
            assertEquals(relatesTo.get(relatesToEntry.getKey()).size(), relatesToValues.size());
            for (String v : relatesToEntry.getValue()) {
                assertTrue(relatesToValues.contains(v));
            }
        }
        KeyConverter<String> stringKeyConverter = new StringKeyConverter();
        // Configuration
        Map<String, Object> configColumns = ApplicationColumnPrefix.CONFIG.readResults(result, stringKeyConverter);
        assertEquals(conf, configColumns);
        NavigableMap<String, NavigableMap<Long, Number>> metricsResult = ApplicationColumnPrefix.METRIC.readResultsWithTimestamps(result, stringKeyConverter);
        NavigableMap<Long, Number> metricMap = metricsResult.get(m1.getId());
        matchMetrics(metricValues, metricMap);
        // read the timeline entity using the reader this time. In metrics limit
        // specify Integer MAX_VALUE. A TIME_SERIES will be returned(if more than
        // one value exists for a metric).
        TimelineEntity e1 = reader.getEntity(new TimelineReaderContext(cluster, user, flow, runid, appId, entity.getType(), entity.getId()), new TimelineDataToRetrieve(null, null, EnumSet.of(TimelineReader.Field.ALL), Integer.MAX_VALUE));
        assertNotNull(e1);
        // verify attributes
        assertEquals(appId, e1.getId());
        assertEquals(TimelineEntityType.YARN_APPLICATION.toString(), e1.getType());
        assertEquals(cTime, e1.getCreatedTime());
        Map<String, Object> infoMap2 = e1.getInfo();
        assertEquals(infoMap, infoMap2);
        Map<String, Set<String>> isRelatedTo2 = e1.getIsRelatedToEntities();
        assertEquals(isRelatedTo, isRelatedTo2);
        Map<String, Set<String>> relatesTo2 = e1.getRelatesToEntities();
        assertEquals(relatesTo, relatesTo2);
        Map<String, String> conf2 = e1.getConfigs();
        assertEquals(conf, conf2);
        Set<TimelineMetric> metrics2 = e1.getMetrics();
        assertEquals(2, metrics2.size());
        for (TimelineMetric metric2 : metrics2) {
            Map<Long, Number> metricValues2 = metric2.getValues();
            assertTrue(metric2.getId().equals("MAP_SLOT_MILLIS") || metric2.getId().equals("MEM_USAGE"));
            if (metric2.getId().equals("MAP_SLOT_MILLIS")) {
                assertEquals(6, metricValues2.size());
                matchMetrics(metricValues, metricValues2);
            }
            if (metric2.getId().equals("MEM_USAGE")) {
                assertEquals(1, metricValues2.size());
                matchMetrics(aggMetricValues, metricValues2);
            }
        }
        // In metrics limit specify a value of 3. No more than 3 values for a
        // metric will be returned.
        e1 = reader.getEntity(new TimelineReaderContext(cluster, user, flow, runid, appId, entity.getType(), entity.getId()), new TimelineDataToRetrieve(null, null, EnumSet.of(TimelineReader.Field.ALL), 3));
        assertNotNull(e1);
        assertEquals(appId, e1.getId());
        assertEquals(TimelineEntityType.YARN_APPLICATION.toString(), e1.getType());
        assertEquals(conf, e1.getConfigs());
        metrics2 = e1.getMetrics();
        assertEquals(2, metrics2.size());
        for (TimelineMetric metric2 : metrics2) {
            Map<Long, Number> metricValues2 = metric2.getValues();
            assertTrue(metricValues2.size() <= 3);
            assertTrue(metric2.getId().equals("MAP_SLOT_MILLIS") || metric2.getId().equals("MEM_USAGE"));
        }
        // Check if single value(latest value) instead of time series is returned
        // if metricslimit is not set(null), irrespective of number of metric
        // values.
        e1 = reader.getEntity(new TimelineReaderContext(cluster, user, flow, runid, appId, entity.getType(), entity.getId()), new TimelineDataToRetrieve(null, null, EnumSet.of(TimelineReader.Field.ALL), null));
        assertNotNull(e1);
        assertEquals(appId, e1.getId());
        assertEquals(TimelineEntityType.YARN_APPLICATION.toString(), e1.getType());
        assertEquals(cTime, e1.getCreatedTime());
        assertEquals(infoMap, e1.getInfo());
        assertEquals(isRelatedTo, e1.getIsRelatedToEntities());
        assertEquals(relatesTo, e1.getRelatesToEntities());
        assertEquals(conf, e1.getConfigs());
        assertEquals(2, e1.getMetrics().size());
        for (TimelineMetric metric : e1.getMetrics()) {
            assertEquals(1, metric.getValues().size());
            assertEquals(TimelineMetric.Type.SINGLE_VALUE, metric.getType());
            assertTrue(metric.getId().equals("MAP_SLOT_MILLIS") || metric.getId().equals("MEM_USAGE"));
            assertEquals(1, metric.getValues().size());
            if (metric.getId().equals("MAP_SLOT_MILLIS")) {
                assertTrue(metric.getValues().containsKey(ts - 20000));
                assertEquals(metricValues.get(ts - 20000), metric.getValues().get(ts - 20000));
            }
            if (metric.getId().equals("MEM_USAGE")) {
                assertTrue(metric.getValues().containsKey(aggTs - 120000));
                assertEquals(aggMetricValues.get(aggTs - 120000), metric.getValues().get(aggTs - 120000));
            }
        }
    } finally {
        if (hbi != null) {
            hbi.stop();
            hbi.close();
        }
    }
}

Example 7 with NavigableMap

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

the class TestHBaseTimelineStorageEntities method testWriteEntityToHBase.

@Test
public void testWriteEntityToHBase() throws Exception {
    TimelineEntities te = new TimelineEntities();
    TimelineEntity entity = new TimelineEntity();
    String id = "hello";
    String type = "world";
    entity.setId(id);
    entity.setType(type);
    Long cTime = 1425016501000L;
    entity.setCreatedTime(cTime);
    // add the info map in Timeline Entity
    Map<String, Object> infoMap = new HashMap<String, Object>();
    infoMap.put("infoMapKey1", "infoMapValue1");
    infoMap.put("infoMapKey2", 10);
    entity.addInfo(infoMap);
    // add the isRelatedToEntity info
    String key = "task";
    String value = "is_related_to_entity_id_here";
    Set<String> isRelatedToSet = new HashSet<String>();
    isRelatedToSet.add(value);
    Map<String, Set<String>> isRelatedTo = new HashMap<String, Set<String>>();
    isRelatedTo.put(key, isRelatedToSet);
    entity.setIsRelatedToEntities(isRelatedTo);
    // add the relatesTo info
    key = "container";
    value = "relates_to_entity_id_here";
    Set<String> relatesToSet = new HashSet<String>();
    relatesToSet.add(value);
    value = "relates_to_entity_id_here_Second";
    relatesToSet.add(value);
    Map<String, Set<String>> relatesTo = new HashMap<String, Set<String>>();
    relatesTo.put(key, relatesToSet);
    entity.setRelatesToEntities(relatesTo);
    // add some config entries
    Map<String, String> conf = new HashMap<String, String>();
    conf.put("config_param1", "value1");
    conf.put("config_param2", "value2");
    entity.addConfigs(conf);
    // add metrics
    Set<TimelineMetric> metrics = new HashSet<>();
    TimelineMetric m1 = new TimelineMetric();
    m1.setId("MAP_SLOT_MILLIS");
    Map<Long, Number> metricValues = new HashMap<Long, Number>();
    long ts = System.currentTimeMillis();
    metricValues.put(ts - 120000, 100000000);
    metricValues.put(ts - 100000, 200000000);
    metricValues.put(ts - 80000, 300000000);
    metricValues.put(ts - 60000, 400000000);
    metricValues.put(ts - 40000, 50000000000L);
    metricValues.put(ts - 20000, 60000000000L);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    entity.addMetrics(metrics);
    te.addEntity(entity);
    HBaseTimelineWriterImpl hbi = null;
    try {
        Configuration c1 = util.getConfiguration();
        hbi = new HBaseTimelineWriterImpl();
        hbi.init(c1);
        hbi.start();
        String cluster = "cluster_test_write_entity";
        String user = "user1";
        String flow = "some_flow_name";
        String flowVersion = "AB7822C10F1111";
        long runid = 1002345678919L;
        String appName = ApplicationId.newInstance(System.currentTimeMillis() + 9000000L, 1).toString();
        hbi.write(cluster, user, flow, flowVersion, runid, appName, te);
        hbi.stop();
        // scan the table and see that entity exists
        Scan s = new Scan();
        byte[] startRow = new EntityRowKeyPrefix(cluster, user, flow, runid, appName).getRowKeyPrefix();
        s.setStartRow(startRow);
        s.setMaxVersions(Integer.MAX_VALUE);
        Connection conn = ConnectionFactory.createConnection(c1);
        ResultScanner scanner = new EntityTable().getResultScanner(c1, conn, s);
        int rowCount = 0;
        int colCount = 0;
        KeyConverter<String> stringKeyConverter = new StringKeyConverter();
        for (Result result : scanner) {
            if (result != null && !result.isEmpty()) {
                rowCount++;
                colCount += result.size();
                byte[] row1 = result.getRow();
                assertTrue(isRowKeyCorrect(row1, cluster, user, flow, runid, appName, entity));
                // check info column family
                String id1 = EntityColumn.ID.readResult(result).toString();
                assertEquals(id, id1);
                String type1 = EntityColumn.TYPE.readResult(result).toString();
                assertEquals(type, type1);
                Long cTime1 = (Long) EntityColumn.CREATED_TIME.readResult(result);
                assertEquals(cTime1, cTime);
                Map<String, Object> infoColumns = EntityColumnPrefix.INFO.readResults(result, new StringKeyConverter());
                assertEquals(infoMap, infoColumns);
                // Remember isRelatedTo is of type Map<String, Set<String>>
                for (Map.Entry<String, Set<String>> isRelatedToEntry : isRelatedTo.entrySet()) {
                    Object isRelatedToValue = EntityColumnPrefix.IS_RELATED_TO.readResult(result, isRelatedToEntry.getKey());
                    String compoundValue = isRelatedToValue.toString();
                    // id7?id9?id6
                    Set<String> isRelatedToValues = new HashSet<String>(Separator.VALUES.splitEncoded(compoundValue));
                    assertEquals(isRelatedTo.get(isRelatedToEntry.getKey()).size(), isRelatedToValues.size());
                    for (String v : isRelatedToEntry.getValue()) {
                        assertTrue(isRelatedToValues.contains(v));
                    }
                }
                // RelatesTo
                for (Map.Entry<String, Set<String>> relatesToEntry : relatesTo.entrySet()) {
                    String compoundValue = EntityColumnPrefix.RELATES_TO.readResult(result, relatesToEntry.getKey()).toString();
                    // id3?id4?id5
                    Set<String> relatesToValues = new HashSet<String>(Separator.VALUES.splitEncoded(compoundValue));
                    assertEquals(relatesTo.get(relatesToEntry.getKey()).size(), relatesToValues.size());
                    for (String v : relatesToEntry.getValue()) {
                        assertTrue(relatesToValues.contains(v));
                    }
                }
                // Configuration
                Map<String, Object> configColumns = EntityColumnPrefix.CONFIG.readResults(result, stringKeyConverter);
                assertEquals(conf, configColumns);
                NavigableMap<String, NavigableMap<Long, Number>> metricsResult = EntityColumnPrefix.METRIC.readResultsWithTimestamps(result, stringKeyConverter);
                NavigableMap<Long, Number> metricMap = metricsResult.get(m1.getId());
                matchMetrics(metricValues, metricMap);
            }
        }
        assertEquals(1, rowCount);
        assertEquals(16, colCount);
        // read the timeline entity using the reader this time
        TimelineEntity e1 = reader.getEntity(new TimelineReaderContext(cluster, user, flow, runid, appName, entity.getType(), entity.getId()), new TimelineDataToRetrieve(null, null, EnumSet.of(Field.ALL), Integer.MAX_VALUE));
        Set<TimelineEntity> es1 = reader.getEntities(new TimelineReaderContext(cluster, user, flow, runid, appName, entity.getType(), null), new TimelineEntityFilters(), new TimelineDataToRetrieve(null, null, EnumSet.of(Field.ALL), Integer.MAX_VALUE));
        assertNotNull(e1);
        assertEquals(1, es1.size());
        // verify attributes
        assertEquals(id, e1.getId());
        assertEquals(type, e1.getType());
        assertEquals(cTime, e1.getCreatedTime());
        Map<String, Object> infoMap2 = e1.getInfo();
        assertEquals(infoMap, infoMap2);
        Map<String, Set<String>> isRelatedTo2 = e1.getIsRelatedToEntities();
        assertEquals(isRelatedTo, isRelatedTo2);
        Map<String, Set<String>> relatesTo2 = e1.getRelatesToEntities();
        assertEquals(relatesTo, relatesTo2);
        Map<String, String> conf2 = e1.getConfigs();
        assertEquals(conf, conf2);
        Set<TimelineMetric> metrics2 = e1.getMetrics();
        assertEquals(metrics, metrics2);
        for (TimelineMetric metric2 : metrics2) {
            Map<Long, Number> metricValues2 = metric2.getValues();
            matchMetrics(metricValues, metricValues2);
        }
        e1 = reader.getEntity(new TimelineReaderContext(cluster, user, flow, runid, appName, entity.getType(), entity.getId()), new TimelineDataToRetrieve(null, null, EnumSet.of(Field.ALL), null));
        assertNotNull(e1);
        assertEquals(id, e1.getId());
        assertEquals(type, e1.getType());
        assertEquals(cTime, e1.getCreatedTime());
        assertEquals(infoMap, e1.getInfo());
        assertEquals(isRelatedTo, e1.getIsRelatedToEntities());
        assertEquals(relatesTo, e1.getRelatesToEntities());
        assertEquals(conf, e1.getConfigs());
        for (TimelineMetric metric : e1.getMetrics()) {
            assertEquals(TimelineMetric.Type.SINGLE_VALUE, metric.getType());
            assertEquals(1, metric.getValues().size());
            assertTrue(metric.getValues().containsKey(ts - 20000));
            assertEquals(metricValues.get(ts - 20000), metric.getValues().get(ts - 20000));
        }
    } finally {
        if (hbi != null) {
            hbi.stop();
            hbi.close();
        }
    }
}

Example 8 with NavigableMap

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

the class TimelineEntityReader method readMetrics.

/**
   * Helper method for reading and deserializing {@link TimelineMetric} objects
   * using the specified column prefix. The timeline metrics then are added to
   * the given timeline entity.
   *
   * @param entity {@link TimelineEntity} object.
   * @param result {@link Result} object retrieved from backend.
   * @param columnPrefix Metric column prefix
   * @throws IOException if any exception is encountered while reading metrics.
   */
protected void readMetrics(TimelineEntity entity, Result result, ColumnPrefix<?> columnPrefix) throws IOException {
    NavigableMap<String, NavigableMap<Long, Number>> metricsResult = columnPrefix.readResultsWithTimestamps(result, stringKeyConverter);
    for (Map.Entry<String, NavigableMap<Long, Number>> metricResult : metricsResult.entrySet()) {
        TimelineMetric metric = new TimelineMetric();
        metric.setId(metricResult.getKey());
        // Simply assume that if the value set contains more than 1 elements, the
        // metric is a TIME_SERIES metric, otherwise, it's a SINGLE_VALUE metric
        TimelineMetric.Type metricType = metricResult.getValue().size() > 1 ? TimelineMetric.Type.TIME_SERIES : TimelineMetric.Type.SINGLE_VALUE;
        metric.setType(metricType);
        metric.addValues(metricResult.getValue());
        entity.addMetric(metric);
    }
}

Example 9 with NavigableMap

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

the class FlowRunCoprocessor method prePut.

/*
   * (non-Javadoc)
   *
   * This method adds the tags onto the cells in the Put. It is presumed that
   * all the cells in one Put have the same set of Tags. The existing cell
   * timestamp is overwritten for non-metric cells and each such cell gets a new
   * unique timestamp generated by {@link TimestampGenerator}
   *
   * @see
   * org.apache.hadoop.hbase.coprocessor.BaseRegionObserver#prePut(org.apache
   * .hadoop.hbase.coprocessor.ObserverContext,
   * org.apache.hadoop.hbase.client.Put,
   * org.apache.hadoop.hbase.regionserver.wal.WALEdit,
   * org.apache.hadoop.hbase.client.Durability)
   */
@Override
public void prePut(ObserverContext<RegionCoprocessorEnvironment> e, Put put, WALEdit edit, Durability durability) throws IOException {
    Map<String, byte[]> attributes = put.getAttributesMap();
    if (!isFlowRunRegion) {
        return;
    }
    // Assumption is that all the cells in a put are the same operation.
    List<Tag> tags = new ArrayList<>();
    if ((attributes != null) && (attributes.size() > 0)) {
        for (Map.Entry<String, byte[]> attribute : attributes.entrySet()) {
            Tag t = HBaseTimelineStorageUtils.getTagFromAttribute(attribute);
            tags.add(t);
        }
        byte[] tagByteArray = Tag.fromList(tags);
        NavigableMap<byte[], List<Cell>> newFamilyMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);
        for (Map.Entry<byte[], List<Cell>> entry : put.getFamilyCellMap().entrySet()) {
            List<Cell> newCells = new ArrayList<>(entry.getValue().size());
            for (Cell cell : entry.getValue()) {
                // for each cell in the put add the tags
                // Assumption is that all the cells in
                // one put are the same operation
                // also, get a unique cell timestamp for non-metric cells
                // this way we don't inadvertently overwrite cell versions
                long cellTimestamp = getCellTimestamp(cell.getTimestamp(), tags);
                newCells.add(CellUtil.createCell(CellUtil.cloneRow(cell), CellUtil.cloneFamily(cell), CellUtil.cloneQualifier(cell), cellTimestamp, KeyValue.Type.Put, CellUtil.cloneValue(cell), tagByteArray));
            }
            newFamilyMap.put(entry.getKey(), newCells);
        }
        // for each entry
        // Update the family map for the Put
        put.setFamilyCellMap(newFamilyMap);
    }
}

Example 10 with NavigableMap

use of java.util.NavigableMap in project hbase by apache.

the class AsyncAggregationClient method findMedian.

private static <R, S, P extends Message, Q extends Message, T extends Message> void findMedian(CompletableFuture<R> future, RawAsyncTable table, ColumnInterpreter<R, S, P, Q, T> ci, Scan scan, NavigableMap<byte[], S> sumByRegion) {
    double halfSum = ci.divideForAvg(sumByRegion.values().stream().reduce(ci::add).get(), 2L);
    S movingSum = null;
    byte[] startRow = null;
    for (Map.Entry<byte[], S> entry : sumByRegion.entrySet()) {
        startRow = entry.getKey();
        S newMovingSum = ci.add(movingSum, entry.getValue());
        if (ci.divideForAvg(newMovingSum, 1L) > halfSum) {
            break;
        }
        movingSum = newMovingSum;
    }
    if (startRow != null) {
        scan.withStartRow(startRow);
    }
    // we can not pass movingSum directly to an anonymous class as it is not final.
    S baseSum = movingSum;
    byte[] family = scan.getFamilies()[0];
    NavigableSet<byte[]> qualifiers = scan.getFamilyMap().get(family);
    byte[] weightQualifier = qualifiers.last();
    byte[] valueQualifier = qualifiers.first();
    table.scan(scan, new RawScanResultConsumer() {

        private S sum = baseSum;

        private R value = null;

        @Override
        public void onNext(Result[] results, ScanController controller) {
            try {
                for (Result result : results) {
                    Cell weightCell = result.getColumnLatestCell(family, weightQualifier);
                    R weight = ci.getValue(family, weightQualifier, weightCell);
                    sum = ci.add(sum, ci.castToReturnType(weight));
                    if (ci.divideForAvg(sum, 1L) > halfSum) {
                        if (value != null) {
                            future.complete(value);
                        } else {
                            future.completeExceptionally(new NoSuchElementException());
                        }
                        controller.terminate();
                        return;
                    }
                    Cell valueCell = result.getColumnLatestCell(family, valueQualifier);
                    value = ci.getValue(family, valueQualifier, valueCell);
                }
            } catch (IOException e) {
                future.completeExceptionally(e);
                controller.terminate();
            }
        }

        @Override
        public void onError(Throwable error) {
            future.completeExceptionally(error);
        }

        @Override
        public void onComplete() {
            if (!future.isDone()) {
                // we should not reach here as the future should be completed in onNext.
                future.completeExceptionally(new NoSuchElementException());
            }
        }
    });
}