use of org.wso2.eventing.Event in project siddhi by wso2.
the class ExpressionParser method parseInnerExpression.
/**
* Parse the set of inner expression of AttributeFunctionExtensions and handling all (*) cases
*
* @param innerExpressions InnerExpressions to be parsed
* @param metaEvent Meta Event
* @param currentState Current state number
* @param tableMap Event Table Map
* @param executorList List to hold VariableExpressionExecutors to update after query parsing @return
* @param siddhiAppContext SiddhiAppContext
* @param groupBy is for groupBy expression
* @param defaultStreamEventIndex Default StreamEvent Index
* @return List of expressionExecutors
*/
private static ExpressionExecutor[] parseInnerExpression(Expression[] innerExpressions, MetaComplexEvent metaEvent, int currentState, Map<String, Table> tableMap, List<VariableExpressionExecutor> executorList, SiddhiAppContext siddhiAppContext, boolean groupBy, int defaultStreamEventIndex, String queryName) {
ExpressionExecutor[] innerExpressionExecutors;
if (innerExpressions != null) {
if (innerExpressions.length > 0) {
innerExpressionExecutors = new ExpressionExecutor[innerExpressions.length];
for (int i = 0, innerExpressionsLength = innerExpressions.length; i < innerExpressionsLength; i++) {
innerExpressionExecutors[i] = parseExpression(innerExpressions[i], metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
}
} else {
List<Expression> outputAttributes = new ArrayList<Expression>();
if (metaEvent instanceof MetaStreamEvent) {
List<Attribute> attributeList = ((MetaStreamEvent) metaEvent).getLastInputDefinition().getAttributeList();
for (Attribute attribute : attributeList) {
outputAttributes.add(new Variable(attribute.getName()));
}
} else {
for (MetaStreamEvent metaStreamEvent : ((MetaStateEvent) metaEvent).getMetaStreamEvents()) {
List<Attribute> attributeList = metaStreamEvent.getLastInputDefinition().getAttributeList();
for (Attribute attribute : attributeList) {
Expression outputAttribute = new Variable(attribute.getName());
if (!outputAttributes.contains(outputAttribute)) {
outputAttributes.add(outputAttribute);
} else {
List<AbstractDefinition> definitions = new ArrayList<AbstractDefinition>();
for (MetaStreamEvent aMetaStreamEvent : ((MetaStateEvent) metaEvent).getMetaStreamEvents()) {
definitions.add(aMetaStreamEvent.getLastInputDefinition());
}
throw new DuplicateAttributeException("Duplicate attribute exist in streams " + definitions, attribute.getQueryContextStartIndex(), attribute.getQueryContextEndIndex());
}
}
}
}
innerExpressionExecutors = new ExpressionExecutor[outputAttributes.size()];
for (int i = 0, innerExpressionsLength = outputAttributes.size(); i < innerExpressionsLength; i++) {
innerExpressionExecutors[i] = parseExpression(outputAttributes.get(i), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
}
}
} else {
innerExpressionExecutors = new ExpressionExecutor[0];
}
return innerExpressionExecutors;
}
use of org.wso2.eventing.Event in project siddhi by wso2.
the class OutputParser method constructOutputCallback.
public static OutputCallback constructOutputCallback(final OutputStream outStream, StreamDefinition outputStreamDefinition, Map<String, Table> tableMap, Map<String, Window> eventWindowMap, SiddhiAppContext siddhiAppContext, boolean convertToStreamEvent, String queryName) {
String id = outStream.getId();
Table table = null;
Window window = null;
if (id != null) {
table = tableMap.get(id);
window = eventWindowMap.get(id);
}
StreamEventPool streamEventPool = null;
StreamEventConverter streamEventConverter = null;
MetaStreamEvent tableMetaStreamEvent = null;
if (table != null) {
tableMetaStreamEvent = new MetaStreamEvent();
tableMetaStreamEvent.setEventType(MetaStreamEvent.EventType.TABLE);
TableDefinition matchingTableDefinition = TableDefinition.id("");
for (Attribute attribute : outputStreamDefinition.getAttributeList()) {
tableMetaStreamEvent.addOutputData(attribute);
matchingTableDefinition.attribute(attribute.getName(), attribute.getType());
}
matchingTableDefinition.setQueryContextStartIndex(outStream.getQueryContextStartIndex());
matchingTableDefinition.setQueryContextEndIndex(outStream.getQueryContextEndIndex());
tableMetaStreamEvent.addInputDefinition(matchingTableDefinition);
streamEventPool = new StreamEventPool(tableMetaStreamEvent, 10);
streamEventConverter = new ZeroStreamEventConverter();
}
// Construct CallBack
if (outStream instanceof InsertIntoStream) {
if (window != null) {
return new InsertIntoWindowCallback(window, outputStreamDefinition, queryName);
} else if (table != null) {
DefinitionParserHelper.validateOutputStream(outputStreamDefinition, table.getTableDefinition());
return new InsertIntoTableCallback(table, outputStreamDefinition, convertToStreamEvent, streamEventPool, streamEventConverter, queryName);
} else {
return new InsertIntoStreamCallback(outputStreamDefinition, queryName);
}
} else if (outStream instanceof DeleteStream || outStream instanceof UpdateStream || outStream instanceof UpdateOrInsertStream) {
if (table != null) {
if (outStream instanceof UpdateStream) {
if (((UpdateStream) outStream).getUpdateSet() == null) {
TableDefinition tableDefinition = table.getTableDefinition();
for (Attribute attribute : outputStreamDefinition.getAttributeList()) {
if (!tableDefinition.getAttributeList().contains(attribute)) {
throw new SiddhiAppCreationException("Attribute " + attribute + " does not exist on " + "Event Table " + tableDefinition, outStream.getQueryContextStartIndex(), outStream.getQueryContextEndIndex());
}
}
}
}
if (outStream instanceof UpdateOrInsertStream) {
TableDefinition tableDefinition = table.getTableDefinition();
for (Attribute attribute : outputStreamDefinition.getAttributeList()) {
if (!tableDefinition.getAttributeList().contains(attribute)) {
throw new SiddhiAppCreationException("Attribute " + attribute + " does not exist on " + "Event Table " + tableDefinition, outStream.getQueryContextStartIndex(), outStream.getQueryContextEndIndex());
}
}
}
if (outStream instanceof DeleteStream) {
try {
MatchingMetaInfoHolder matchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(tableMetaStreamEvent, 0, table.getTableDefinition(), 0);
CompiledCondition compiledCondition = table.compileCondition((((DeleteStream) outStream).getOnDeleteExpression()), matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
StateEventPool stateEventPool = new StateEventPool(matchingMetaInfoHolder.getMetaStateEvent(), 10);
return new DeleteTableCallback(table, compiledCondition, matchingMetaInfoHolder.getMatchingStreamEventIndex(), convertToStreamEvent, stateEventPool, streamEventPool, streamEventConverter, queryName);
} catch (SiddhiAppValidationException e) {
throw new SiddhiAppCreationException("Cannot create delete for table '" + outStream.getId() + "', " + e.getMessageWithOutContext(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext.getName(), siddhiAppContext.getSiddhiAppString());
}
} else if (outStream instanceof UpdateStream) {
try {
MatchingMetaInfoHolder matchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(tableMetaStreamEvent, 0, table.getTableDefinition(), 0);
CompiledCondition compiledCondition = table.compileCondition((((UpdateStream) outStream).getOnUpdateExpression()), matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
UpdateSet updateSet = ((UpdateStream) outStream).getUpdateSet();
if (updateSet == null) {
updateSet = new UpdateSet();
for (Attribute attribute : matchingMetaInfoHolder.getMatchingStreamDefinition().getAttributeList()) {
updateSet.set(new Variable(attribute.getName()), new Variable(attribute.getName()));
}
}
CompiledUpdateSet compiledUpdateSet = table.compileUpdateSet(updateSet, matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
StateEventPool stateEventPool = new StateEventPool(matchingMetaInfoHolder.getMetaStateEvent(), 10);
return new UpdateTableCallback(table, compiledCondition, compiledUpdateSet, matchingMetaInfoHolder.getMatchingStreamEventIndex(), convertToStreamEvent, stateEventPool, streamEventPool, streamEventConverter, queryName);
} catch (SiddhiAppValidationException e) {
throw new SiddhiAppCreationException("Cannot create update for table '" + outStream.getId() + "', " + e.getMessageWithOutContext(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext);
}
} else {
DefinitionParserHelper.validateOutputStream(outputStreamDefinition, table.getTableDefinition());
try {
MatchingMetaInfoHolder matchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(tableMetaStreamEvent, 0, table.getTableDefinition(), 0);
CompiledCondition compiledCondition = table.compileCondition((((UpdateOrInsertStream) outStream).getOnUpdateExpression()), matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
UpdateSet updateSet = ((UpdateOrInsertStream) outStream).getUpdateSet();
if (updateSet == null) {
updateSet = new UpdateSet();
for (Attribute attribute : matchingMetaInfoHolder.getMatchingStreamDefinition().getAttributeList()) {
updateSet.set(new Variable(attribute.getName()), new Variable(attribute.getName()));
}
}
CompiledUpdateSet compiledUpdateSet = table.compileUpdateSet(updateSet, matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
StateEventPool stateEventPool = new StateEventPool(matchingMetaInfoHolder.getMetaStateEvent(), 10);
return new UpdateOrInsertTableCallback(table, compiledCondition, compiledUpdateSet, matchingMetaInfoHolder.getMatchingStreamEventIndex(), convertToStreamEvent, stateEventPool, streamEventPool, streamEventConverter, queryName);
} catch (SiddhiAppValidationException e) {
throw new SiddhiAppCreationException("Cannot create update or insert into for table '" + outStream.getId() + "', " + e.getMessageWithOutContext(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext);
}
}
} else {
throw new SiddhiAppCreationException("Event table with id :" + id + " does not exist", outStream.getQueryContextStartIndex(), outStream.getQueryContextEndIndex());
}
} else {
throw new SiddhiAppCreationException(outStream.getClass().getName() + " not supported", outStream.getQueryContextStartIndex(), outStream.getQueryContextEndIndex());
}
}
use of org.wso2.eventing.Event 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();
}
use of org.wso2.eventing.Event 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();
}
use of org.wso2.eventing.Event 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();
}
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