Examples with Attribute io.siddhi.query.api.definition.Attribute used on opensource projects

Example 61 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class AggregationParser method generateDatabaseQuery.

private static String generateDatabaseQuery(List<ExpressionExecutor> expressionExecutors, DBAggregationQueryConfigurationEntry dbAggregationQueryConfigurationEntry, StreamDefinition incomingOutputStreamDefinition, boolean isDistributed, String shardID, boolean isProcessingOnExternalTime, Table aggregationTable, Table parentAggregationTable, List<Variable> groupByVariableList, TimePeriod.Duration duration) {
    DBAggregationSelectFunctionTemplate dbAggregationSelectFunctionTemplates = dbAggregationQueryConfigurationEntry.getRdbmsSelectFunctionTemplate();
    DBAggregationSelectQueryTemplate dbAggregationSelectQueryTemplate = dbAggregationQueryConfigurationEntry.getRdbmsSelectQueryTemplate();
    DBAggregationTimeConversionDurationMapping dbAggregationTimeConversionDurationMapping = dbAggregationQueryConfigurationEntry.getDbAggregationTimeConversionDurationMapping();
    List<Attribute> attributeList = incomingOutputStreamDefinition.getAttributeList();
    List<String> groupByColumnNames = new ArrayList<>();
    StringJoiner outerSelectColumnJoiner = new StringJoiner(", ");
    StringJoiner subSelectT1ColumnJoiner = new StringJoiner(", ", SQL_SELECT, " ");
    StringJoiner subSelectT2ColumnJoiner = new StringJoiner(", ");
    StringJoiner innerSelectT2ColumnJoiner = new StringJoiner(", ", SQL_SELECT, " ");
    StringJoiner onConditionBuilder = new StringJoiner(SQL_AND);
    StringJoiner subSelectT2OnConditionBuilder = new StringJoiner(SQL_AND);
    StringJoiner groupByQueryBuilder = new StringJoiner(", ");
    StringJoiner groupByT3QueryBuilder = new StringJoiner(", ");
    StringJoiner finalSelectQuery = new StringJoiner(" ");
    StringJoiner completeQuery = new StringJoiner(" ");
    StringJoiner insertIntoColumns = new StringJoiner(", ");
    StringBuilder filterQueryBuilder = new StringBuilder();
    StringBuilder insertIntoQueryBuilder = new StringBuilder();
    String innerFromClause = SQL_FROM + parentAggregationTable.getTableDefinition().getId();
    String innerWhereFilterClause;
    String groupByClause;
    String innerT2WhereCondition;
    StringJoiner innerT2Query = new StringJoiner(" ");
    StringJoiner subQueryT1 = new StringJoiner(" ");
    StringJoiner subQueryT2 = new StringJoiner(" ");
    attributeList.stream().forEach(attribute -> insertIntoColumns.add(attribute.getName()));
    int i = 0;
    insertIntoQueryBuilder.append(dbAggregationSelectQueryTemplate.getRecordInsertQuery().replace(PLACEHOLDER_TABLE_NAME, aggregationTable.getTableDefinition().getId()).replace(PLACEHOLDER_COLUMNS, insertIntoColumns.toString()));
    filterQueryBuilder.append(" (").append(AGG_START_TIMESTAMP_COL).append(" >= ?").append(" AND ").append(AGG_START_TIMESTAMP_COL).append(" < ? ").append(") ");
    if (isDistributed) {
        filterQueryBuilder.append(" AND ").append(AGG_SHARD_ID_COL).append(" = '").append(shardID).append("' ");
        groupByQueryBuilder.add(AGG_SHARD_ID_COL);
        groupByT3QueryBuilder.add(INNER_SELECT_QUERY_REF_T3 + "." + AGG_SHARD_ID_COL);
        innerSelectT2ColumnJoiner.add(AGG_SHARD_ID_COL);
        subSelectT2OnConditionBuilder.add(parentAggregationTable.getTableDefinition().getId() + "." + AGG_SHARD_ID_COL + EQUALS + INNER_SELECT_QUERY_REF_T3 + "." + AGG_SHARD_ID_COL);
        if (isProcessingOnExternalTime) {
            subSelectT1ColumnJoiner.add(AGG_SHARD_ID_COL);
        }
    }
    if (isProcessingOnExternalTime) {
        groupByVariableList.stream().forEach(variable -> {
            groupByColumnNames.add(variable.getAttributeName());
            groupByQueryBuilder.add(variable.getAttributeName());
            groupByT3QueryBuilder.add(INNER_SELECT_QUERY_REF_T3 + "." + variable.getAttributeName());
            onConditionBuilder.add(SUB_SELECT_QUERY_REF_T1 + "." + variable.getAttributeName() + EQUALS + SUB_SELECT_QUERY_REF_T2 + "." + variable.getAttributeName());
            subSelectT2OnConditionBuilder.add(parentAggregationTable.getTableDefinition().getId() + "." + variable.getAttributeName() + EQUALS + INNER_SELECT_QUERY_REF_T3 + "." + variable.getAttributeName());
        });
        innerT2WhereCondition = INNER_SELECT_QUERY_REF_T3 + "." + groupByVariableList.get(0).getAttributeName() + SQL_NOT_NULL;
        for (ExpressionExecutor expressionExecutor : expressionExecutors) {
            if (expressionExecutor instanceof VariableExpressionExecutor) {
                VariableExpressionExecutor variableExpressionExecutor = (VariableExpressionExecutor) expressionExecutor;
                if (variableExpressionExecutor.getAttribute().getName().equals(AGG_START_TIMESTAMP_COL)) {
                    outerSelectColumnJoiner.add(" ? " + SQL_AS + variableExpressionExecutor.getAttribute().getName());
                } else if (!variableExpressionExecutor.getAttribute().getName().equals(AGG_EXTERNAL_TIMESTAMP_COL)) {
                    if (groupByColumnNames.contains(variableExpressionExecutor.getAttribute().getName())) {
                        subSelectT2ColumnJoiner.add(INNER_SELECT_QUERY_REF_T3 + "." + variableExpressionExecutor.getAttribute().getName() + SQL_AS + variableExpressionExecutor.getAttribute().getName());
                        outerSelectColumnJoiner.add(SUB_SELECT_QUERY_REF_T1 + "." + variableExpressionExecutor.getAttribute().getName() + SQL_AS + attributeList.get(i).getName());
                        subSelectT1ColumnJoiner.add(variableExpressionExecutor.getAttribute().getName());
                        innerSelectT2ColumnJoiner.add(variableExpressionExecutor.getAttribute().getName());
                    } else {
                        subSelectT2ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getMaxFunction().replace(PLACEHOLDER_COLUMN, variableExpressionExecutor.getAttribute().getName()) + SQL_AS + variableExpressionExecutor.getAttribute().getName());
                        outerSelectColumnJoiner.add(SUB_SELECT_QUERY_REF_T2 + "." + variableExpressionExecutor.getAttribute().getName() + SQL_AS + attributeList.get(i).getName());
                    }
                }
            } else if (expressionExecutor instanceof IncrementalAggregateBaseTimeFunctionExecutor) {
                if (attributeList.get(i).getName().equals(AGG_EXTERNAL_TIMESTAMP_COL)) {
                    outerSelectColumnJoiner.add(SUB_SELECT_QUERY_REF_T1 + "." + AGG_EXTERNAL_TIMESTAMP_COL + SQL_AS + AGG_EXTERNAL_TIMESTAMP_COL);
                    subSelectT1ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getTimeConversionFunction().replace(PLACEHOLDER_COLUMN, AGG_EXTERNAL_TIMESTAMP_COL).replace(PLACEHOLDER_DURATION, dbAggregationTimeConversionDurationMapping.getDurationMapping(duration)) + SQL_AS + AGG_EXTERNAL_TIMESTAMP_COL);
                    subSelectT2ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getTimeConversionFunction().replace(PLACEHOLDER_COLUMN, AGG_EXTERNAL_TIMESTAMP_COL).replace(PLACEHOLDER_DURATION, dbAggregationTimeConversionDurationMapping.getDurationMapping(duration)) + SQL_AS + AGG_EXTERNAL_TIMESTAMP_COL);
                    onConditionBuilder.add(SUB_SELECT_QUERY_REF_T1 + "." + AGG_EXTERNAL_TIMESTAMP_COL + EQUALS + SUB_SELECT_QUERY_REF_T2 + "." + AGG_EXTERNAL_TIMESTAMP_COL);
                } else {
                    outerSelectColumnJoiner.add(" ? " + SQL_AS + attributeList.get(i).getName());
                }
            } else if (expressionExecutor instanceof MaxAttributeAggregatorExecutor) {
                if (attributeList.get(i).getName().equals(AGG_LAST_TIMESTAMP_COL)) {
                    innerSelectT2ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getMaxFunction().replace(PLACEHOLDER_COLUMN, attributeList.get(i).getName()) + SQL_AS + attributeList.get(i).getName());
                    subSelectT2ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getMaxFunction().replace(PLACEHOLDER_COLUMN, INNER_SELECT_QUERY_REF_T3 + "." + attributeList.get(i).getName()) + SQL_AS + attributeList.get(i).getName());
                    outerSelectColumnJoiner.add(SUB_SELECT_QUERY_REF_T2 + "." + attributeList.get(i).getName() + SQL_AS + attributeList.get(i).getName());
                    subSelectT2OnConditionBuilder.add(parentAggregationTable.getTableDefinition().getId() + "." + attributeList.get(i).getName() + EQUALS + INNER_SELECT_QUERY_REF_T3 + "." + attributeList.get(i).getName());
                } else {
                    outerSelectColumnJoiner.add(SUB_SELECT_QUERY_REF_T1 + "." + attributeList.get(i).getName() + SQL_AS + attributeList.get(i).getName());
                    subSelectT1ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getMaxFunction().replace(PLACEHOLDER_COLUMN, attributeList.get(i).getName()) + SQL_AS + attributeList.get(i).getName());
                }
            } else if (expressionExecutor instanceof MinAttributeAggregatorExecutor) {
                outerSelectColumnJoiner.add(SUB_SELECT_QUERY_REF_T1 + "." + attributeList.get(i).getName() + SQL_AS + attributeList.get(i).getName());
                subSelectT1ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getMinFunction().replace(PLACEHOLDER_COLUMN, attributeList.get(i).getName()) + SQL_AS + attributeList.get(i).getName());
            } else if (expressionExecutor instanceof ConstantExpressionExecutor) {
                outerSelectColumnJoiner.add(SUB_SELECT_QUERY_REF_T1 + "." + attributeList.get(i).getName() + SQL_AS + attributeList.get(i).getName());
            } else if (expressionExecutor instanceof SumAttributeAggregatorExecutor) {
                outerSelectColumnJoiner.add(SUB_SELECT_QUERY_REF_T1 + "." + attributeList.get(i).getName() + SQL_AS + attributeList.get(i).getName());
                subSelectT1ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getSumFunction().replace(PLACEHOLDER_COLUMN, attributeList.get(i).getName()) + SQL_AS + attributeList.get(i).getName());
            }
            i++;
        }
        groupByQueryBuilder.add(dbAggregationSelectFunctionTemplates.getTimeConversionFunction().replace(PLACEHOLDER_COLUMN, AGG_EXTERNAL_TIMESTAMP_COL).replace(PLACEHOLDER_DURATION, dbAggregationTimeConversionDurationMapping.getDurationMapping(duration)));
        groupByT3QueryBuilder.add(dbAggregationSelectFunctionTemplates.getTimeConversionFunction().replace(PLACEHOLDER_COLUMN, AGG_EXTERNAL_TIMESTAMP_COL).replace(PLACEHOLDER_DURATION, dbAggregationTimeConversionDurationMapping.getDurationMapping(duration)));
        groupByClause = dbAggregationSelectQueryTemplate.getGroupByClause().replace(PLACEHOLDER_COLUMNS, groupByQueryBuilder.toString());
        innerWhereFilterClause = dbAggregationSelectQueryTemplate.getWhereClause().replace(PLACEHOLDER_CONDITION, filterQueryBuilder.toString());
        innerT2Query.add(innerSelectT2ColumnJoiner.toString()).add(innerFromClause).add(innerWhereFilterClause).add(groupByClause);
        subQueryT1.add(subSelectT1ColumnJoiner.toString()).add(innerFromClause).add(innerWhereFilterClause).add(groupByClause);
        subQueryT2.add(dbAggregationSelectQueryTemplate.getSelectQueryWithInnerSelect().replace(PLACEHOLDER_SELECTORS, subSelectT2ColumnJoiner.toString()).replace(PLACEHOLDER_TABLE_NAME, parentAggregationTable.getTableDefinition().getId()).replace(PLACEHOLDER_INNER_QUERY_2, innerT2Query.toString()).replace(PLACEHOLDER_ON_CONDITION, subSelectT2OnConditionBuilder.toString()).replace(PLACEHOLDER_CONDITION, innerT2WhereCondition).replace(PLACEHOLDER_COLUMNS, groupByT3QueryBuilder.toString()));
        finalSelectQuery.add(dbAggregationSelectQueryTemplate.getJoinClause().replace(PLACEHOLDER_SELECTORS, outerSelectColumnJoiner.toString()).replace(PLACEHOLDER_FROM_CONDITION, subQueryT1.toString()).replace(PLACEHOLDER_INNER_QUERY_1, subQueryT2.toString()).replace(PLACEHOLDER_CONDITION, onConditionBuilder.toString()));
        completeQuery.add(insertIntoQueryBuilder.toString()).add(finalSelectQuery.toString());
    } else {
        for (ExpressionExecutor executor : expressionExecutors) {
            if (executor instanceof VariableExpressionExecutor) {
                VariableExpressionExecutor variableExpressionExecutor = (VariableExpressionExecutor) executor;
                if (variableExpressionExecutor.getAttribute().getName().equals(AGG_START_TIMESTAMP_COL)) {
                    subSelectT1ColumnJoiner.add("? " + SQL_AS + variableExpressionExecutor.getAttribute().getName());
                } else {
                    subSelectT1ColumnJoiner.add(variableExpressionExecutor.getAttribute().getName());
                    groupByQueryBuilder.add(variableExpressionExecutor.getAttribute().getName());
                }
            } else if (executor instanceof ConstantExpressionExecutor) {
                if (((ConstantExpressionExecutor) executor).getValue() != null) {
                    subSelectT1ColumnJoiner.add("'" + ((ConstantExpressionExecutor) executor).getValue() + "' " + SQL_AS + attributeList.get(i).getName());
                } else {
                    subSelectT1ColumnJoiner.add(attributeList.get(i).getName());
                }
            } else if (executor instanceof SumAttributeAggregatorExecutor) {
                subSelectT1ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getSumFunction().replace(PLACEHOLDER_COLUMN, attributeList.get(i).getName()).concat(SQL_AS).concat(attributeList.get(i).getName()));
            } else if (executor instanceof MinAttributeAggregatorExecutor) {
                subSelectT1ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getMinFunction().replace(PLACEHOLDER_COLUMN, attributeList.get(i).getName()).concat(SQL_AS).concat(attributeList.get(i).getName()));
            } else if (executor instanceof MaxAttributeAggregatorExecutor) {
                subSelectT1ColumnJoiner.add(dbAggregationSelectFunctionTemplates.getMaxFunction().replace(PLACEHOLDER_COLUMN, attributeList.get(i).getName()).concat(SQL_AS).concat(attributeList.get(i).getName()));
            }
            i++;
        }
        completeQuery.add(insertIntoQueryBuilder.toString()).add(subSelectT1ColumnJoiner.toString()).add(innerFromClause).add(SQL_WHERE + filterQueryBuilder).add(dbAggregationSelectQueryTemplate.getGroupByClause().replace(PLACEHOLDER_COLUMNS, groupByQueryBuilder.toString()));
    }
    return completeQuery.toString();
}

Example 62 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class AggregationParser method populateIncomingAggregatorsAndExecutors.

private static void populateIncomingAggregatorsAndExecutors(AggregationDefinition aggregationDefinition, SiddhiQueryContext siddhiQueryContext, Map<String, Table> tableMap, List<VariableExpressionExecutor> incomingVariableExpressionExecutors, MetaStreamEvent incomingMetaStreamEvent, List<ExpressionExecutor> incomingExpressionExecutors, List<IncrementalAttributeAggregator> incrementalAttributeAggregators, List<Variable> groupByVariableList, List<Expression> outputExpressions, boolean isProcessingOnExternalTime, boolean isDistributed, String shardId) {
    boolean isLatestEventAdded = false;
    ExpressionExecutor timestampExecutor = getTimeStampExecutor(siddhiQueryContext, tableMap, incomingVariableExpressionExecutors, incomingMetaStreamEvent);
    Attribute timestampAttribute = new Attribute(AGG_START_TIMESTAMP_COL, Attribute.Type.LONG);
    incomingMetaStreamEvent.addOutputData(timestampAttribute);
    incomingExpressionExecutors.add(timestampExecutor);
    if (isDistributed) {
        ExpressionExecutor nodeIdExpExecutor = new ConstantExpressionExecutor(shardId, Attribute.Type.STRING);
        incomingExpressionExecutors.add(nodeIdExpExecutor);
        incomingMetaStreamEvent.addOutputData(new Attribute(AGG_SHARD_ID_COL, Attribute.Type.STRING));
    }
    ExpressionExecutor externalTimestampExecutor = null;
    if (isProcessingOnExternalTime) {
        Expression externalTimestampExpression = aggregationDefinition.getAggregateAttribute();
        externalTimestampExecutor = ExpressionParser.parseExpression(externalTimestampExpression, incomingMetaStreamEvent, 0, tableMap, incomingVariableExpressionExecutors, false, 0, ProcessingMode.BATCH, false, siddhiQueryContext);
        if (externalTimestampExecutor.getReturnType() == Attribute.Type.STRING) {
            Expression expression = AttributeFunction.function("incrementalAggregator", "timestampInMilliseconds", externalTimestampExpression);
            externalTimestampExecutor = ExpressionParser.parseExpression(expression, incomingMetaStreamEvent, 0, tableMap, incomingVariableExpressionExecutors, false, 0, ProcessingMode.BATCH, false, siddhiQueryContext);
        } else if (externalTimestampExecutor.getReturnType() != Attribute.Type.LONG) {
            throw new SiddhiAppCreationException("Aggregation Definition '" + aggregationDefinition.getId() + "'s timestamp attribute expects " + "long or string, but found " + externalTimestampExecutor.getReturnType() + ". Hence, can't " + "create the siddhi app '" + siddhiQueryContext.getSiddhiAppContext().getName() + "'", externalTimestampExpression.getQueryContextStartIndex(), externalTimestampExpression.getQueryContextEndIndex());
        }
        Attribute externalTimestampAttribute = new Attribute(AGG_EXTERNAL_TIMESTAMP_COL, Attribute.Type.LONG);
        incomingMetaStreamEvent.addOutputData(externalTimestampAttribute);
        incomingExpressionExecutors.add(externalTimestampExecutor);
    }
    AbstractDefinition incomingLastInputStreamDefinition = incomingMetaStreamEvent.getLastInputDefinition();
    for (Variable groupByVariable : groupByVariableList) {
        incomingMetaStreamEvent.addOutputData(incomingLastInputStreamDefinition.getAttributeList().get(incomingLastInputStreamDefinition.getAttributePosition(groupByVariable.getAttributeName())));
        incomingExpressionExecutors.add(ExpressionParser.parseExpression(groupByVariable, incomingMetaStreamEvent, 0, tableMap, incomingVariableExpressionExecutors, false, 0, ProcessingMode.BATCH, false, siddhiQueryContext));
    }
    // Add AGG_TIMESTAMP to output as well
    aggregationDefinition.getAttributeList().add(timestampAttribute);
    // check and set whether the aggregation in happened on an external timestamp
    if (isProcessingOnExternalTime) {
        outputExpressions.add(Expression.variable(AGG_EXTERNAL_TIMESTAMP_COL));
    } else {
        outputExpressions.add(Expression.variable(AGG_START_TIMESTAMP_COL));
    }
    for (OutputAttribute outputAttribute : aggregationDefinition.getSelector().getSelectionList()) {
        Expression expression = outputAttribute.getExpression();
        // If the select contains the aggregation function expression type will be AttributeFunction
        if (expression instanceof AttributeFunction) {
            IncrementalAttributeAggregator incrementalAggregator = null;
            try {
                incrementalAggregator = (IncrementalAttributeAggregator) SiddhiClassLoader.loadExtensionImplementation(new AttributeFunction("incrementalAggregator", ((AttributeFunction) expression).getName(), ((AttributeFunction) expression).getParameters()), IncrementalAttributeAggregatorExtensionHolder.getInstance(siddhiQueryContext.getSiddhiAppContext()));
            } catch (SiddhiAppCreationException ex) {
                try {
                    SiddhiClassLoader.loadExtensionImplementation((AttributeFunction) expression, FunctionExecutorExtensionHolder.getInstance(siddhiQueryContext.getSiddhiAppContext()));
                    processAggregationSelectors(aggregationDefinition, siddhiQueryContext, tableMap, incomingVariableExpressionExecutors, incomingMetaStreamEvent, incomingExpressionExecutors, outputExpressions, outputAttribute, expression);
                } catch (SiddhiAppCreationException e) {
                    throw new SiddhiAppCreationException("'" + ((AttributeFunction) expression).getName() + "' is neither a incremental attribute aggregator extension or a function" + " extension", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
                }
            }
            if (incrementalAggregator != null) {
                initIncrementalAttributeAggregator(incomingLastInputStreamDefinition, (AttributeFunction) expression, incrementalAggregator);
                incrementalAttributeAggregators.add(incrementalAggregator);
                aggregationDefinition.getAttributeList().add(new Attribute(outputAttribute.getRename(), incrementalAggregator.getReturnType()));
                outputExpressions.add(incrementalAggregator.aggregate());
            }
        } else {
            if (expression instanceof Variable && groupByVariableList.contains(expression)) {
                Attribute groupByAttribute = null;
                for (Attribute attribute : incomingMetaStreamEvent.getOutputData()) {
                    if (attribute.getName().equals(((Variable) expression).getAttributeName())) {
                        groupByAttribute = attribute;
                        break;
                    }
                }
                if (groupByAttribute == null) {
                    throw new SiddhiAppCreationException("Expected GroupBy attribute '" + ((Variable) expression).getAttributeName() + "' not used in aggregation '" + siddhiQueryContext.getName() + "' processing.", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
                }
                aggregationDefinition.getAttributeList().add(new Attribute(outputAttribute.getRename(), groupByAttribute.getType()));
                outputExpressions.add(Expression.variable(groupByAttribute.getName()));
            } else {
                isLatestEventAdded = true;
                processAggregationSelectors(aggregationDefinition, siddhiQueryContext, tableMap, incomingVariableExpressionExecutors, incomingMetaStreamEvent, incomingExpressionExecutors, outputExpressions, outputAttribute, expression);
            }
        }
    }
    if (isProcessingOnExternalTime && isLatestEventAdded) {
        Attribute lastEventTimeStamp = new Attribute(AGG_LAST_TIMESTAMP_COL, Attribute.Type.LONG);
        incomingMetaStreamEvent.addOutputData(lastEventTimeStamp);
        incomingExpressionExecutors.add(externalTimestampExecutor);
    }
}

Example 63 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class EventHolderPasser method parse.

public static EventHolder parse(AbstractDefinition tableDefinition, StreamEventFactory tableStreamEventFactory, SiddhiAppContext siddhiAppContext, boolean isCacheTable) {
    ZeroStreamEventConverter eventConverter = new ZeroStreamEventConverter();
    PrimaryKeyReferenceHolder[] primaryKeyReferenceHolders = null;
    Map<String, Integer> indexMetaData = new HashMap<String, Integer>();
    // primaryKey.
    Annotation primaryKeyAnnotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_PRIMARY_KEY, tableDefinition.getAnnotations());
    if (primaryKeyAnnotation != null) {
        if (primaryKeyAnnotation.getElements().size() == 0) {
            throw new SiddhiAppValidationException(SiddhiConstants.ANNOTATION_PRIMARY_KEY + " annotation " + "contains " + primaryKeyAnnotation.getElements().size() + " element, at '" + tableDefinition.getId() + "'");
        }
        primaryKeyReferenceHolders = primaryKeyAnnotation.getElements().stream().map(element -> element.getValue().trim()).map(key -> new PrimaryKeyReferenceHolder(key, tableDefinition.getAttributePosition(key))).toArray(PrimaryKeyReferenceHolder[]::new);
    }
    for (Annotation indexAnnotation : AnnotationHelper.getAnnotations(SiddhiConstants.ANNOTATION_INDEX, tableDefinition.getAnnotations())) {
        if (indexAnnotation.getElements().size() == 0) {
            throw new SiddhiAppValidationException(SiddhiConstants.ANNOTATION_INDEX + " annotation of " + "in-memory table should contain only one index element, but found " + indexAnnotation.getElements().size() + " element", indexAnnotation.getQueryContextStartIndex(), indexAnnotation.getQueryContextEndIndex());
        } else if (indexAnnotation.getElements().size() > 1) {
            throw new SiddhiAppValidationException(SiddhiConstants.ANNOTATION_INDEX + " annotation of the " + "in-memory table should only contain one index element but found " + indexAnnotation.getElements().size() + " elements. To use multiple indexes, " + "define multiple '@index(<index key>)' annotations with one index element " + "per each index key", indexAnnotation.getQueryContextStartIndex(), indexAnnotation.getQueryContextEndIndex());
        }
        for (Element element : indexAnnotation.getElements()) {
            Integer previousValue = indexMetaData.put(element.getValue().trim(), tableDefinition.getAttributePosition(element.getValue().trim()));
            if (previousValue != null) {
                throw new SiddhiAppValidationException("Multiple " + SiddhiConstants.ANNOTATION_INDEX + " " + "annotations defined with same attribute '" + element.getValue().trim() + "', at '" + tableDefinition.getId() + "'", indexAnnotation.getQueryContextStartIndex(), indexAnnotation.getQueryContextEndIndex());
            }
        }
    }
    // not support indexBy.
    Annotation indexByAnnotation = AnnotationHelper.getAnnotation(SiddhiConstants.ANNOTATION_INDEX_BY, tableDefinition.getAnnotations());
    if (indexByAnnotation != null) {
        throw new OperationNotSupportedException(SiddhiConstants.ANNOTATION_INDEX_BY + " annotation is not " + "supported anymore, please use @PrimaryKey or @Index annotations instead," + " at '" + tableDefinition.getId() + "'");
    }
    if (primaryKeyReferenceHolders != null || indexMetaData.size() > 0) {
        boolean isNumeric = false;
        if (primaryKeyReferenceHolders != null) {
            if (primaryKeyReferenceHolders.length == 1) {
                Attribute.Type type = tableDefinition.getAttributeType(primaryKeyReferenceHolders[0].getPrimaryKeyAttribute());
                if (type == Attribute.Type.DOUBLE || type == Attribute.Type.FLOAT || type == Attribute.Type.INT || type == Attribute.Type.LONG) {
                    isNumeric = true;
                }
            }
        }
        if (isCacheTable) {
            return new IndexEventHolderForCache(tableStreamEventFactory, eventConverter, primaryKeyReferenceHolders, isNumeric, indexMetaData, tableDefinition, siddhiAppContext);
        } else {
            return new IndexEventHolder(tableStreamEventFactory, eventConverter, primaryKeyReferenceHolders, isNumeric, indexMetaData, tableDefinition, siddhiAppContext);
        }
    } else {
        MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
        for (Attribute attribute : tableDefinition.getAttributeList()) {
            metaStreamEvent.addOutputData(attribute);
        }
        StreamEventCloner streamEventCloner = new StreamEventCloner(metaStreamEvent, tableStreamEventFactory);
        return new ListEventHolder(tableStreamEventFactory, eventConverter, new StreamEventClonerHolder(streamEventCloner));
    }
}

Example 64 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class MatcherParser method constructMatchingMetaStateHolder.

public static MatchingMetaInfoHolder constructMatchingMetaStateHolder(MetaComplexEvent matchingMetaComplexEvent, int defaultStreamEventIndex, AbstractDefinition candsidateDefinition, int currentState) {
    int storeEventIndex = 0;
    MetaStreamEvent tableStreamEvent = new MetaStreamEvent();
    tableStreamEvent.setEventType(MetaStreamEvent.EventType.TABLE);
    tableStreamEvent.addInputDefinition(candsidateDefinition);
    for (Attribute attribute : candsidateDefinition.getAttributeList()) {
        tableStreamEvent.addOutputData(attribute);
    }
    MetaStateEvent metaStateEvent = null;
    if (matchingMetaComplexEvent instanceof MetaStreamEvent) {
        metaStateEvent = new MetaStateEvent(2);
        metaStateEvent.addEvent(((MetaStreamEvent) matchingMetaComplexEvent));
        metaStateEvent.addEvent(tableStreamEvent);
        storeEventIndex = 1;
        defaultStreamEventIndex = 0;
        if (currentState == SiddhiConstants.UNKNOWN_STATE) {
            currentState = defaultStreamEventIndex;
        }
    } else {
        MetaStreamEvent[] metaStreamEvents = ((MetaStateEvent) matchingMetaComplexEvent).getMetaStreamEvents();
        // for join
        for (; storeEventIndex < metaStreamEvents.length; storeEventIndex++) {
            MetaStreamEvent metaStreamEvent = metaStreamEvents[storeEventIndex];
            if (storeEventIndex != defaultStreamEventIndex && metaStreamEvent.getLastInputDefinition().equalsIgnoreAnnotations(candsidateDefinition)) {
                metaStateEvent = ((MetaStateEvent) matchingMetaComplexEvent);
                break;
            }
        }
        if (metaStateEvent == null) {
            metaStateEvent = new MetaStateEvent(metaStreamEvents.length + 1);
            for (MetaStreamEvent metaStreamEvent : metaStreamEvents) {
                metaStateEvent.addEvent(metaStreamEvent);
            }
            metaStateEvent.addEvent(tableStreamEvent);
            storeEventIndex = metaStreamEvents.length;
        }
    }
    return new MatchingMetaInfoHolder(metaStateEvent, defaultStreamEventIndex, storeEventIndex, metaStateEvent.getMetaStreamEvent(defaultStreamEventIndex).getLastInputDefinition(), candsidateDefinition, currentState);
}

Example 65 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class ErrorHandlerUtils method constructErrorRecordString.

public static String constructErrorRecordString(ComplexEventChunk<StateEvent> eventChunk, boolean isObjectColumnPresent, TableDefinition tableDefinition, Exception e) {
    JsonObject payloadJson = new JsonObject();
    if (isObjectColumnPresent || e instanceof ConnectionUnavailableException) {
        payloadJson.addProperty("isEditable", false);
    } else {
        payloadJson.addProperty("isEditable", true);
    }
    JsonArray attributes = new JsonArray();
    JsonArray records = new JsonArray();
    for (Attribute attribute : tableDefinition.getAttributeList()) {
        JsonObject attributeJson = new JsonObject();
        attributeJson.add("name", new JsonPrimitive(attribute.getName()));
        attributeJson.add("type", new JsonPrimitive(String.valueOf(attribute.getType())));
        attributes.add(attributeJson);
    }
    payloadJson.add("attributes", attributes);
    while (eventChunk.hasNext()) {
        StateEvent stateEvent = eventChunk.next();
        for (StreamEvent streamEvent : stateEvent.getStreamEvents()) {
            if (streamEvent != null) {
                JsonArray record = new JsonArray();
                for (Object item : streamEvent.getOutputData()) {
                    if (item == null) {
                        record.add(JsonNull.INSTANCE);
                    } else {
                        record.add(String.valueOf(item));
                    }
                }
                records.add(record);
            }
        }
    }
    payloadJson.add("records", records);
    return payloadJson.toString();
}