use of org.ballerinalang.siddhi.core.table.holder.IndexedEventHolder in project ballerina by ballerina-lang.
the class OperatorParser method constructOperator.
public static Operator constructOperator(Object storeEvents, Expression expression, MatchingMetaInfoHolder matchingMetaInfoHolder, SiddhiAppContext siddhiAppContext, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, Table> tableMap, String queryName) {
if (storeEvents instanceof IndexedEventHolder) {
CollectionExpression collectionExpression = CollectionExpressionParser.parseCollectionExpression(expression, matchingMetaInfoHolder, (IndexedEventHolder) storeEvents);
CollectionExecutor collectionExecutor = CollectionExpressionParser.buildCollectionExecutor(collectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, true, queryName);
if (collectionExpression instanceof CompareCollectionExpression && ((CompareCollectionExpression) collectionExpression).getOperator() == Compare.Operator.EQUAL && (collectionExpression.getCollectionScope() == INDEXED_RESULT_SET || collectionExpression.getCollectionScope() == PRIMARY_KEY_RESULT_SET) && ((IndexedEventHolder) storeEvents).getPrimaryKeyReferenceHolders() != null && ((IndexedEventHolder) storeEvents).getPrimaryKeyReferenceHolders().length == 1 && ((IndexedEventHolder) storeEvents).getPrimaryKeyReferenceHolders()[0].getPrimaryKeyAttribute().equals(((AttributeCollectionExpression) ((CompareCollectionExpression) collectionExpression).getAttributeCollectionExpression()).getAttribute())) {
return new OverwriteTableIndexOperator(collectionExecutor, queryName);
} else if (collectionExpression instanceof AndMultiPrimaryKeyCollectionExpression && collectionExpression.getCollectionScope() == PRIMARY_KEY_RESULT_SET) {
return new OverwriteTableIndexOperator(collectionExecutor, queryName);
} else {
return new IndexOperator(collectionExecutor, queryName);
}
} else if (storeEvents instanceof ComplexEventChunk) {
ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
return new EventChunkOperator(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
} else if (storeEvents instanceof Map) {
ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
return new MapOperator(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
} else if (storeEvents instanceof Collection) {
ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
return new CollectionOperator(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
} else {
throw new OperationNotSupportedException(storeEvents.getClass() + " is not supported by OperatorParser!");
}
}
use of org.ballerinalang.siddhi.core.table.holder.IndexedEventHolder in project ballerina by ballerina-lang.
the class OverwriteTableIndexOperator method tryUpdate.
@Override
public ComplexEventChunk<StreamEvent> tryUpdate(ComplexEventChunk<StateEvent> updatingOrAddingEventChunk, Object storeEvents, InMemoryCompiledUpdateSet compiledUpdateSet, AddingStreamEventExtractor addingStreamEventExtractor) {
updatingOrAddingEventChunk.reset();
while (updatingOrAddingEventChunk.hasNext()) {
StateEvent overwritingOrAddingEvent = updatingOrAddingEventChunk.next();
((IndexedEventHolder) storeEvents).overwrite(addingStreamEventExtractor.getAddingStreamEvent(overwritingOrAddingEvent));
}
return null;
}
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