Examples with Table org.wso2.siddhi.core.table.Table used on opensource projects

Example 16 with Table

use of org.wso2.siddhi.core.table.Table in project siddhi by wso2.

the class StoreQueryParser method parse.

/**
 * Parse a storeQuery and return corresponding StoreQueryRuntime.
 *
 * @param storeQuery       storeQuery to be parsed.
 * @param siddhiAppContext associated Siddhi app context.
 * @param tableMap         keyvalue containing tables.
 * @param windowMap        keyvalue containing windows.
 * @param aggregationMap   keyvalue containing aggregation runtimes.
 * @return StoreQueryRuntime
 */
public static StoreQueryRuntime parse(StoreQuery storeQuery, SiddhiAppContext siddhiAppContext, Map<String, Table> tableMap, Map<String, Window> windowMap, Map<String, AggregationRuntime> aggregationMap) {
    String queryName = "store_query_" + storeQuery.getInputStore().getStoreId();
    InputStore inputStore = storeQuery.getInputStore();
    int metaPosition = SiddhiConstants.UNKNOWN_STATE;
    Within within = null;
    Expression per = null;
    try {
        SnapshotService.getSkipSnapshotableThreadLocal().set(true);
        Expression onCondition = Expression.value(true);
        MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
        metaStreamEvent.setInputReferenceId(inputStore.getStoreReferenceId());
        if (inputStore instanceof AggregationInputStore) {
            AggregationInputStore aggregationInputStore = (AggregationInputStore) inputStore;
            if (aggregationMap.get(inputStore.getStoreId()) == null) {
                throw new StoreQueryCreationException("Aggregation \"" + inputStore.getStoreId() + "\" has not been defined");
            }
            if (aggregationInputStore.getPer() != null && aggregationInputStore.getWithin() != null) {
                within = aggregationInputStore.getWithin();
                per = aggregationInputStore.getPer();
            } else if (aggregationInputStore.getPer() != null || aggregationInputStore.getWithin() != null) {
                throw new StoreQueryCreationException(inputStore.getStoreId() + " should either have both 'within' and 'per' defined or none.");
            }
            if (((AggregationInputStore) inputStore).getOnCondition() != null) {
                onCondition = ((AggregationInputStore) inputStore).getOnCondition();
            }
        } else if (inputStore instanceof ConditionInputStore) {
            if (((ConditionInputStore) inputStore).getOnCondition() != null) {
                onCondition = ((ConditionInputStore) inputStore).getOnCondition();
            }
        }
        List<VariableExpressionExecutor> variableExpressionExecutors = new ArrayList<>();
        Table table = tableMap.get(inputStore.getStoreId());
        if (table != null) {
            return constructStoreQueryRuntime(table, storeQuery, siddhiAppContext, tableMap, queryName, metaPosition, onCondition, metaStreamEvent, variableExpressionExecutors);
        } else {
            AggregationRuntime aggregation = aggregationMap.get(inputStore.getStoreId());
            if (aggregation != null) {
                return constructStoreQueryRuntime(aggregation, storeQuery, siddhiAppContext, tableMap, queryName, within, per, onCondition, metaStreamEvent, variableExpressionExecutors);
            } else {
                Window window = windowMap.get(inputStore.getStoreId());
                if (window != null) {
                    return constructStoreQueryRuntime(window, storeQuery, siddhiAppContext, tableMap, queryName, metaPosition, onCondition, metaStreamEvent, variableExpressionExecutors);
                } else {
                    throw new StoreQueryCreationException(inputStore.getStoreId() + " is neither a table, aggregation or window");
                }
            }
        }
    } finally {
        SnapshotService.getSkipSnapshotableThreadLocal().set(null);
    }
}

Example 17 with Table

use of org.wso2.siddhi.core.table.Table in project siddhi by wso2.

the class StoreQueryParser method constructStoreQueryRuntime.

private static StoreQueryRuntime constructStoreQueryRuntime(Window window, StoreQuery storeQuery, SiddhiAppContext siddhiAppContext, Map<String, Table> tableMap, String queryName, int metaPosition, Expression onCondition, MetaStreamEvent metaStreamEvent, List<VariableExpressionExecutor> variableExpressionExecutors) {
    metaStreamEvent.setEventType(EventType.WINDOW);
    initMetaStreamEvent(metaStreamEvent, window.getWindowDefinition());
    MatchingMetaInfoHolder metaStreamInfoHolder = generateMatchingMetaInfoHolder(metaStreamEvent, window.getWindowDefinition());
    CompiledCondition compiledCondition = window.compileCondition(onCondition, generateMatchingMetaInfoHolder(metaStreamEvent, window.getWindowDefinition()), siddhiAppContext, variableExpressionExecutors, tableMap, queryName);
    FindStoreQueryRuntime findStoreQueryRuntime = new FindStoreQueryRuntime(window, compiledCondition, queryName, metaStreamEvent);
    populateFindStoreQueryRuntime(findStoreQueryRuntime, metaStreamInfoHolder, storeQuery.getSelector(), variableExpressionExecutors, siddhiAppContext, tableMap, queryName, metaPosition);
    return findStoreQueryRuntime;
}

Example 18 with Table

use of org.wso2.siddhi.core.table.Table in project siddhi by wso2.

the class StoreQueryParser method populateFindStoreQueryRuntime.

private static void populateFindStoreQueryRuntime(FindStoreQueryRuntime findStoreQueryRuntime, MatchingMetaInfoHolder metaStreamInfoHolder, Selector selector, List<VariableExpressionExecutor> variableExpressionExecutors, SiddhiAppContext siddhiAppContext, Map<String, Table> tableMap, String queryName, int metaPosition) {
    QuerySelector querySelector = SelectorParser.parse(selector, new ReturnStream(OutputStream.OutputEventType.CURRENT_EVENTS), siddhiAppContext, metaStreamInfoHolder.getMetaStateEvent(), tableMap, variableExpressionExecutors, queryName, metaPosition);
    QueryParserHelper.reduceMetaComplexEvent(metaStreamInfoHolder.getMetaStateEvent());
    QueryParserHelper.updateVariablePosition(metaStreamInfoHolder.getMetaStateEvent(), variableExpressionExecutors);
    querySelector.setEventPopulator(StateEventPopulatorFactory.constructEventPopulator(metaStreamInfoHolder.getMetaStateEvent()));
    findStoreQueryRuntime.setStateEventPool(new StateEventPool(metaStreamInfoHolder.getMetaStateEvent(), 5));
    findStoreQueryRuntime.setSelector(querySelector);
    findStoreQueryRuntime.setOutputAttributes(metaStreamInfoHolder.getMetaStateEvent().getOutputStreamDefinition().getAttributeList());
}

Example 19 with Table

use of org.wso2.siddhi.core.table.Table in project siddhi by wso2.

the class StoreQueryParser method constructStoreQueryRuntime.

private static StoreQueryRuntime constructStoreQueryRuntime(AggregationRuntime aggregation, StoreQuery storeQuery, SiddhiAppContext siddhiAppContext, Map<String, Table> tableMap, String queryName, Within within, Expression per, Expression onCondition, MetaStreamEvent metaStreamEvent, List<VariableExpressionExecutor> variableExpressionExecutors) {
    int metaPosition;
    metaStreamEvent.setEventType(EventType.AGGREGATE);
    initMetaStreamEvent(metaStreamEvent, aggregation.getAggregationDefinition());
    MatchingMetaInfoHolder metaStreamInfoHolder = generateMatchingMetaInfoHolder(metaStreamEvent, aggregation.getAggregationDefinition());
    CompiledCondition compiledCondition = aggregation.compileExpression(onCondition, within, per, metaStreamInfoHolder, variableExpressionExecutors, tableMap, queryName, siddhiAppContext);
    metaStreamInfoHolder = ((IncrementalAggregateCompileCondition) compiledCondition).getAlteredMatchingMetaInfoHolder();
    FindStoreQueryRuntime findStoreQueryRuntime = new FindStoreQueryRuntime(aggregation, compiledCondition, queryName, metaStreamEvent);
    metaPosition = 1;
    populateFindStoreQueryRuntime(findStoreQueryRuntime, metaStreamInfoHolder, storeQuery.getSelector(), variableExpressionExecutors, siddhiAppContext, tableMap, queryName, metaPosition);
    ComplexEventPopulater complexEventPopulater = StreamEventPopulaterFactory.constructEventPopulator(metaStreamInfoHolder.getMetaStateEvent().getMetaStreamEvent(0), 0, ((IncrementalAggregateCompileCondition) compiledCondition).getAdditionalAttributes());
    ((IncrementalAggregateCompileCondition) compiledCondition).setComplexEventPopulater(complexEventPopulater);
    return findStoreQueryRuntime;
}

Example 20 with Table

use of org.wso2.siddhi.core.table.Table in project siddhi by wso2.

the class StoreQueryParser method buildExpectedOutputAttributes.

private static List<Attribute> buildExpectedOutputAttributes(StoreQuery storeQuery, SiddhiAppContext siddhiAppContext, Map<String, Table> tableMap, String queryName, int metaPosition, MatchingMetaInfoHolder metaStreamInfoHolder) {
    MetaStateEvent selectMetaStateEvent = new MetaStateEvent(metaStreamInfoHolder.getMetaStateEvent().getMetaStreamEvents());
    SelectorParser.parse(storeQuery.getSelector(), new ReturnStream(OutputStream.OutputEventType.CURRENT_EVENTS), siddhiAppContext, selectMetaStateEvent, tableMap, new ArrayList<>(), queryName, metaPosition);
    return selectMetaStateEvent.getOutputStreamDefinition().getAttributeList();
}