Examples with Partition org.wso2.siddhi.query.api.execution.partition.Partition used on opensource projects

Example 1 with Partition

use of org.wso2.siddhi.query.api.execution.partition.Partition in project siddhi by wso2.

the class StreamPartitioner method createSingleInputStreamExecutors.

private void createSingleInputStreamExecutors(SingleInputStream inputStream, Partition partition, MetaStreamEvent metaEvent, List<VariableExpressionExecutor> executors, Map<String, Table> tableMap, SiddhiAppContext siddhiAppContext, String queryName) {
    List<PartitionExecutor> executorList = new ArrayList<PartitionExecutor>();
    partitionExecutorLists.add(executorList);
    if (!inputStream.isInnerStream()) {
        for (PartitionType partitionType : partition.getPartitionTypeMap().values()) {
            if (partitionType instanceof ValuePartitionType) {
                if (partitionType.getStreamId().equals(inputStream.getStreamId())) {
                    executorList.add(new ValuePartitionExecutor(ExpressionParser.parseExpression(((ValuePartitionType) partitionType).getExpression(), metaEvent, SiddhiConstants.UNKNOWN_STATE, tableMap, executors, siddhiAppContext, false, 0, queryName)));
                }
            } else {
                for (RangePartitionType.RangePartitionProperty rangePartitionProperty : ((RangePartitionType) partitionType).getRangePartitionProperties()) {
                    if (partitionType.getStreamId().equals(inputStream.getStreamId())) {
                        executorList.add(new RangePartitionExecutor((ConditionExpressionExecutor) ExpressionParser.parseExpression(rangePartitionProperty.getCondition(), metaEvent, SiddhiConstants.UNKNOWN_STATE, tableMap, executors, siddhiAppContext, false, 0, queryName), rangePartitionProperty.getPartitionKey()));
                    }
                }
            }
        }
    }
}

Example 2 with Partition

use of org.wso2.siddhi.query.api.execution.partition.Partition in project siddhi by wso2.

the class PartitionedDistributionStrategy method init.

/**
 * Initialize the Distribution strategy with the information it will require to make decisions.
 *  @param streamDefinition         The stream attached to the sink this DistributionStrategy is used in
 * @param transportOptionHolder    Sink options of the sink which uses this DistributionStrategy
 * @param destinationOptionHolders The list of options under @destination of the relevant sink.
 * @param configReader This hold the {@link PartitionedDistributionStrategy} configuration reader.
 */
@Override
public void init(StreamDefinition streamDefinition, OptionHolder transportOptionHolder, OptionHolder distributionOptionHolder, List<OptionHolder> destinationOptionHolders, ConfigReader configReader) {
    totalDestinationCount = destinationOptionHolders.size();
    String partitionKey = distributionOptionHolder.validateAndGetStaticValue(SiddhiConstants.PARTITION_KEY_FIELD_KEY);
    if (partitionKey == null || partitionKey.isEmpty()) {
        throw new SiddhiAppValidationException("PartitionKey is required for partitioned distribution " + "strategy.");
    }
    try {
        int partitionKeyFieldPosition = streamDefinition.getAttributePosition(partitionKey);
        partitionOption = new Option(partitionKeyFieldPosition);
    } catch (AttributeNotExistException e) {
        throw new SiddhiAppValidationException("Could not find partition key attribute", e);
    }
}

Example 3 with Partition

use of org.wso2.siddhi.query.api.execution.partition.Partition in project siddhi by wso2.

the class PartitionTestCase1 method testPartitionQuery22.

@Test
public void testPartitionQuery22() throws InterruptedException {
    log.info("Partition test22");
    SiddhiManager siddhiManager = new SiddhiManager();
    String siddhiApp = "@app:name('PartitionTest10') " + "define stream cseEventStream (symbol string, price float,volume int);" + "define stream cseEventStream1 (symbol string, price float,volume int);" + "partition with (symbol of cseEventStream)" + "begin" + "@info(name = 'query') from cseEventStream#window.time(1 sec) " + "select symbol, avg(price) as avgPrice, volume " + "having avgPrice > 10" + "insert expired events into OutStockStream ;" + "end ";
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(siddhiApp);
    siddhiAppRuntime.addCallback("OutStockStream", new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            EventPrinter.print(events);
            for (Event event : events) {
                count.incrementAndGet();
                if (count.get() == 1) {
                    AssertJUnit.assertEquals(75.0, event.getData()[1]);
                }
                eventArrived = true;
            }
        }
    });
    InputHandler inputHandler = siddhiAppRuntime.getInputHandler("cseEventStream");
    siddhiAppRuntime.start();
    inputHandler.send(new Object[] { "IBM", 75f, 100 });
    inputHandler.send(new Object[] { "IBM", 75f, 100 });
    SiddhiTestHelper.waitForEvents(200, 1, count, 60000);
    AssertJUnit.assertTrue(1 <= count.get());
    siddhiAppRuntime.shutdown();
}

Example 4 with Partition

use of org.wso2.siddhi.query.api.execution.partition.Partition in project siddhi by wso2.

the class PartitionTestCase1 method testDivideExpressionExecutorDoubleCase.

@Test
public void testDivideExpressionExecutorDoubleCase() throws InterruptedException {
    log.info("Partition testDivideExpressionExecutorDoubleCase");
    SiddhiManager siddhiManager = new SiddhiManager();
    String siddhiApp = "@app:name('testDivideExpressionExecutorDoubleCase') " + "define stream cseEventStream (atr1 string,  atr2 string, atr3 int, atr4 double, " + "atr5 long,  atr6 long,  atr7 double,  atr8 float , atr9 bool, atr10 bool,  atr11 int);" + "partition with (atr1 of cseEventStream) begin @info(name = 'query1') from " + "cseEventStream[atr5 < 700 ] select atr4/atr7 as dividedVal, atr5 as threshold,  atr1 as" + " symbol, " + "cast(atr2,  'double') as priceInDouble,  sum(atr7) as summedValue insert " + "into OutStockStream ; end ";
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(siddhiApp);
    siddhiAppRuntime.addCallback("OutStockStream", new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            EventPrinter.print(events);
            for (Event event : events) {
                count.incrementAndGet();
                if (count.get() == 1) {
                    AssertJUnit.assertEquals(8.836395450568679, event.getData(0));
                    eventArrived = true;
                }
                if (count.get() == 2) {
                    AssertJUnit.assertEquals(6.640368178829717, event.getData(0));
                    eventArrived = true;
                }
                if (count.get() == 3) {
                    AssertJUnit.assertEquals(2.255140393544108, event.getData(0));
                    eventArrived = true;
                }
                if (count.get() == 4) {
                    AssertJUnit.assertEquals(1.156400274788184, event.getData(0));
                    eventArrived = true;
                }
            }
            eventArrived = true;
        }
    });
    InputHandler inputHandler = siddhiAppRuntime.getInputHandler("cseEventStream");
    siddhiAppRuntime.start();
    inputHandler.send(new Object[] { "IBM", null, 100, 101.0, 500L, 200L, 11.43, 75.7f, false, true, 105 });
    inputHandler.send(new Object[] { "WSO2", "aa", 100, 101.0, 501L, 201L, 15.21, 76.7f, false, true, 106 });
    inputHandler.send(new Object[] { "IBM", null, 100, 102.0, 502L, 202L, 45.23, 77.7f, false, true, 107 });
    inputHandler.send(new Object[] { "ORACLE", null, 100, 101.0, 502L, 202L, 87.34, 77.7f, false, false, 108 });
    SiddhiTestHelper.waitForEvents(100, 4, count, 60000);
    AssertJUnit.assertEquals(4, count.get());
    siddhiAppRuntime.shutdown();
}

Example 5 with Partition

use of org.wso2.siddhi.query.api.execution.partition.Partition in project siddhi by wso2.

the class PartitionTestCase1 method testPartitionQuery39.

@Test
public void testPartitionQuery39() throws InterruptedException {
    log.info("Partition test");
    SiddhiApp siddhiApp = SiddhiApp.siddhiApp("Test").defineStream(StreamDefinition.id("streamA").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.INT));
    Query query = Query.query();
    query.from(InputStream.stream("streamA"));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol")).select("price", Expression.variable("price")));
    query.insertInto("StockQuote");
    Partition partition = Partition.partition().annotation(Annotation.annotation("info").element("name", "partitionA")).with("streamA", Expression.variable("symbol")).addQuery(query);
    siddhiApp.addPartition(partition);
    SiddhiManager siddhiManager = new SiddhiManager();
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(siddhiApp);
    StreamCallback streamCallback = new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            EventPrinter.print(events);
            AssertJUnit.assertTrue("IBM".equals(events[0].getData(0)) || "WSO2".equals(events[0].getData(0)));
            count.addAndGet(events.length);
            eventArrived = true;
        }
    };
    siddhiAppRuntime.addCallback("StockQuote", streamCallback);
    InputHandler inputHandler = siddhiAppRuntime.getInputHandler("streamA");
    siddhiAppRuntime.start();
    inputHandler.send(new Event(System.currentTimeMillis(), new Object[] { "IBM", 700 }));
    inputHandler.send(new Event(System.currentTimeMillis(), new Object[] { "WSO2", 60 }));
    inputHandler.send(new Event(System.currentTimeMillis(), new Object[] { "WSO2", 60 }));
    Thread.sleep(1000);
    AssertJUnit.assertEquals(3, count.get());
    siddhiAppRuntime.shutdown();
}