use of org.wso2.siddhi.query.api.execution.query.input.store.AggregationInputStore 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);
}
}
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