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Example 1 with IntConstant

use of org.ballerinalang.siddhi.query.api.expression.constant.IntConstant in project ballerina by ballerina-lang.

the class ExpressionParser method parseExpression.

/**
 * Parse the given expression and create the appropriate Executor by recursively traversing the expression
 *
 * @param expression              Expression 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
 * @param queryName               query name of expression belongs to.
 * @return ExpressionExecutor
 */
public static ExpressionExecutor parseExpression(Expression expression, MetaComplexEvent metaEvent, int currentState, Map<String, Table> tableMap, List<VariableExpressionExecutor> executorList, SiddhiAppContext siddhiAppContext, boolean groupBy, int defaultStreamEventIndex, String queryName) {
    try {
        if (expression instanceof And) {
            return new AndConditionExpressionExecutor(parseExpression(((And) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((And) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
        } else if (expression instanceof Or) {
            return new OrConditionExpressionExecutor(parseExpression(((Or) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Or) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
        } else if (expression instanceof Not) {
            return new NotConditionExpressionExecutor(parseExpression(((Not) expression).getExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
        } else if (expression instanceof Compare) {
            if (((Compare) expression).getOperator() == Compare.Operator.EQUAL) {
                return parseEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
            } else if (((Compare) expression).getOperator() == Compare.Operator.NOT_EQUAL) {
                return parseNotEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
            } else if (((Compare) expression).getOperator() == Compare.Operator.GREATER_THAN) {
                return parseGreaterThanCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
            } else if (((Compare) expression).getOperator() == Compare.Operator.GREATER_THAN_EQUAL) {
                return parseGreaterThanEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
            } else if (((Compare) expression).getOperator() == Compare.Operator.LESS_THAN) {
                return parseLessThanCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
            } else if (((Compare) expression).getOperator() == Compare.Operator.LESS_THAN_EQUAL) {
                return parseLessThanEqualCompare(parseExpression(((Compare) expression).getLeftExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName), parseExpression(((Compare) expression).getRightExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName));
            }
        } else if (expression instanceof Constant) {
            if (expression instanceof BoolConstant) {
                return new ConstantExpressionExecutor(((BoolConstant) expression).getValue(), Attribute.Type.BOOL);
            } else if (expression instanceof StringConstant) {
                return new ConstantExpressionExecutor(((StringConstant) expression).getValue(), Attribute.Type.STRING);
            } else if (expression instanceof IntConstant) {
                return new ConstantExpressionExecutor(((IntConstant) expression).getValue(), Attribute.Type.INT);
            } else if (expression instanceof LongConstant) {
                return new ConstantExpressionExecutor(((LongConstant) expression).getValue(), Attribute.Type.LONG);
            } else if (expression instanceof FloatConstant) {
                return new ConstantExpressionExecutor(((FloatConstant) expression).getValue(), Attribute.Type.FLOAT);
            } else if (expression instanceof DoubleConstant) {
                return new ConstantExpressionExecutor(((DoubleConstant) expression).getValue(), Attribute.Type.DOUBLE);
            }
        } else if (expression instanceof Variable) {
            return parseVariable((Variable) expression, metaEvent, currentState, executorList, defaultStreamEventIndex);
        } else if (expression instanceof Multiply) {
            ExpressionExecutor left = parseExpression(((Multiply) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            ExpressionExecutor right = parseExpression(((Multiply) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            Attribute.Type type = parseArithmeticOperationResultType(left, right);
            switch(type) {
                case INT:
                    return new MultiplyExpressionExecutorInt(left, right);
                case LONG:
                    return new MultiplyExpressionExecutorLong(left, right);
                case FLOAT:
                    return new MultiplyExpressionExecutorFloat(left, right);
                case DOUBLE:
                    return new MultiplyExpressionExecutorDouble(left, right);
                // Will not happen. Handled in parseArithmeticOperationResultType()
                default:
            }
        } else if (expression instanceof Add) {
            ExpressionExecutor left = parseExpression(((Add) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            ExpressionExecutor right = parseExpression(((Add) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            Attribute.Type type = parseArithmeticOperationResultType(left, right);
            switch(type) {
                case INT:
                    return new AddExpressionExecutorInt(left, right);
                case LONG:
                    return new AddExpressionExecutorLong(left, right);
                case FLOAT:
                    return new AddExpressionExecutorFloat(left, right);
                case DOUBLE:
                    return new AddExpressionExecutorDouble(left, right);
                // Will not happen. Handled in parseArithmeticOperationResultType()
                default:
            }
        } else if (expression instanceof Subtract) {
            ExpressionExecutor left = parseExpression(((Subtract) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            ExpressionExecutor right = parseExpression(((Subtract) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            Attribute.Type type = parseArithmeticOperationResultType(left, right);
            switch(type) {
                case INT:
                    return new SubtractExpressionExecutorInt(left, right);
                case LONG:
                    return new SubtractExpressionExecutorLong(left, right);
                case FLOAT:
                    return new SubtractExpressionExecutorFloat(left, right);
                case DOUBLE:
                    return new SubtractExpressionExecutorDouble(left, right);
                // Will not happen. Handled in parseArithmeticOperationResultType()
                default:
            }
        } else if (expression instanceof Mod) {
            ExpressionExecutor left = parseExpression(((Mod) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            ExpressionExecutor right = parseExpression(((Mod) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            Attribute.Type type = parseArithmeticOperationResultType(left, right);
            switch(type) {
                case INT:
                    return new ModExpressionExecutorInt(left, right);
                case LONG:
                    return new ModExpressionExecutorLong(left, right);
                case FLOAT:
                    return new ModExpressionExecutorFloat(left, right);
                case DOUBLE:
                    return new ModExpressionExecutorDouble(left, right);
                // Will not happen. Handled in parseArithmeticOperationResultType()
                default:
            }
        } else if (expression instanceof Divide) {
            ExpressionExecutor left = parseExpression(((Divide) expression).getLeftValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            ExpressionExecutor right = parseExpression(((Divide) expression).getRightValue(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            Attribute.Type type = parseArithmeticOperationResultType(left, right);
            switch(type) {
                case INT:
                    return new DivideExpressionExecutorInt(left, right);
                case LONG:
                    return new DivideExpressionExecutorLong(left, right);
                case FLOAT:
                    return new DivideExpressionExecutorFloat(left, right);
                case DOUBLE:
                    return new DivideExpressionExecutorDouble(left, right);
                // Will not happen. Handled in parseArithmeticOperationResultType()
                default:
            }
        } else if (expression instanceof AttributeFunction) {
            // extensions
            Object executor;
            try {
                if ((siddhiAppContext.isFunctionExist(((AttributeFunction) expression).getName())) && (((AttributeFunction) expression).getNamespace()).isEmpty()) {
                    executor = new ScriptFunctionExecutor(((AttributeFunction) expression).getName());
                } else {
                    executor = SiddhiClassLoader.loadExtensionImplementation((AttributeFunction) expression, FunctionExecutorExtensionHolder.getInstance(siddhiAppContext));
                }
            } catch (SiddhiAppCreationException ex) {
                try {
                    executor = SiddhiClassLoader.loadExtensionImplementation((AttributeFunction) expression, AttributeAggregatorExtensionHolder.getInstance(siddhiAppContext));
                } catch (SiddhiAppCreationException e) {
                    throw new SiddhiAppCreationException("'" + ((AttributeFunction) expression).getName() + "' is" + " neither a function extension nor an aggregated attribute extension", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
                }
            }
            ConfigReader configReader = siddhiAppContext.getSiddhiContext().getConfigManager().generateConfigReader(((AttributeFunction) expression).getNamespace(), ((AttributeFunction) expression).getName());
            if (executor instanceof FunctionExecutor) {
                FunctionExecutor expressionExecutor = (FunctionExecutor) executor;
                Expression[] innerExpressions = ((AttributeFunction) expression).getParameters();
                ExpressionExecutor[] innerExpressionExecutors = parseInnerExpression(innerExpressions, metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
                expressionExecutor.initExecutor(innerExpressionExecutors, siddhiAppContext, queryName, configReader);
                if (expressionExecutor.getReturnType() == Attribute.Type.BOOL) {
                    return new BoolConditionExpressionExecutor(expressionExecutor);
                }
                return expressionExecutor;
            } else {
                AttributeAggregator attributeAggregator = (AttributeAggregator) executor;
                Expression[] innerExpressions = ((AttributeFunction) expression).getParameters();
                ExpressionExecutor[] innerExpressionExecutors = parseInnerExpression(innerExpressions, metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
                attributeAggregator.initAggregator(innerExpressionExecutors, siddhiAppContext, configReader);
                AbstractAggregationAttributeExecutor aggregationAttributeProcessor;
                if (groupBy) {
                    aggregationAttributeProcessor = new GroupByAggregationAttributeExecutor(attributeAggregator, innerExpressionExecutors, configReader, siddhiAppContext, queryName);
                } else {
                    aggregationAttributeProcessor = new AggregationAttributeExecutor(attributeAggregator, innerExpressionExecutors, siddhiAppContext, queryName);
                }
                SelectorParser.getContainsAggregatorThreadLocal().set("true");
                return aggregationAttributeProcessor;
            }
        } else if (expression instanceof In) {
            Table table = tableMap.get(((In) expression).getSourceId());
            MatchingMetaInfoHolder matchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(metaEvent, defaultStreamEventIndex, table.getTableDefinition(), defaultStreamEventIndex);
            CompiledCondition compiledCondition = table.compileCondition(((In) expression).getExpression(), matchingMetaInfoHolder, siddhiAppContext, executorList, tableMap, queryName);
            return new InConditionExpressionExecutor(table, compiledCondition, matchingMetaInfoHolder.getMetaStateEvent().getMetaStreamEvents().length, metaEvent instanceof StateEvent, 0);
        } else if (expression instanceof IsNull) {
            IsNull isNull = (IsNull) expression;
            if (isNull.getExpression() != null) {
                ExpressionExecutor innerExpressionExecutor = parseExpression(isNull.getExpression(), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
                return new IsNullConditionExpressionExecutor(innerExpressionExecutor);
            } else {
                String streamId = isNull.getStreamId();
                Integer streamIndex = isNull.getStreamIndex();
                if (metaEvent instanceof MetaStateEvent) {
                    int[] eventPosition = new int[2];
                    if (streamIndex != null) {
                        if (streamIndex <= LAST) {
                            eventPosition[STREAM_EVENT_INDEX_IN_CHAIN] = streamIndex + 1;
                        } else {
                            eventPosition[STREAM_EVENT_INDEX_IN_CHAIN] = streamIndex;
                        }
                    } else {
                        eventPosition[STREAM_EVENT_INDEX_IN_CHAIN] = defaultStreamEventIndex;
                    }
                    eventPosition[STREAM_EVENT_CHAIN_INDEX] = UNKNOWN_STATE;
                    MetaStateEvent metaStateEvent = (MetaStateEvent) metaEvent;
                    if (streamId == null) {
                        throw new SiddhiAppCreationException("IsNull does not support streamId being null", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
                    } else {
                        MetaStreamEvent[] metaStreamEvents = metaStateEvent.getMetaStreamEvents();
                        for (int i = 0, metaStreamEventsLength = metaStreamEvents.length; i < metaStreamEventsLength; i++) {
                            MetaStreamEvent metaStreamEvent = metaStreamEvents[i];
                            AbstractDefinition definition = metaStreamEvent.getLastInputDefinition();
                            if (metaStreamEvent.getInputReferenceId() == null) {
                                if (definition.getId().equals(streamId)) {
                                    eventPosition[STREAM_EVENT_CHAIN_INDEX] = i;
                                    break;
                                }
                            } else {
                                if (metaStreamEvent.getInputReferenceId().equals(streamId)) {
                                    eventPosition[STREAM_EVENT_CHAIN_INDEX] = i;
                                    if (currentState > -1 && metaStreamEvents[currentState].getInputReferenceId() != null && streamIndex != null && streamIndex <= LAST) {
                                        if (streamId.equals(metaStreamEvents[currentState].getInputReferenceId())) {
                                            eventPosition[STREAM_EVENT_INDEX_IN_CHAIN] = streamIndex;
                                        }
                                    }
                                    break;
                                }
                            }
                        }
                    }
                    return new IsNullStreamConditionExpressionExecutor(eventPosition);
                } else {
                    return new IsNullStreamConditionExpressionExecutor(null);
                }
            }
        }
        throw new UnsupportedOperationException(expression.toString() + " not supported!");
    } catch (Throwable t) {
        ExceptionUtil.populateQueryContext(t, expression, siddhiAppContext);
        throw t;
    }
}
Also used : Add(org.ballerinalang.siddhi.query.api.expression.math.Add) Or(org.ballerinalang.siddhi.query.api.expression.condition.Or) DivideExpressionExecutorFloat(org.ballerinalang.siddhi.core.executor.math.divide.DivideExpressionExecutorFloat) ModExpressionExecutorDouble(org.ballerinalang.siddhi.core.executor.math.mod.ModExpressionExecutorDouble) ModExpressionExecutorInt(org.ballerinalang.siddhi.core.executor.math.mod.ModExpressionExecutorInt) EqualCompareConditionExpressionExecutorStringString(org.ballerinalang.siddhi.core.executor.condition.compare.equal.EqualCompareConditionExpressionExecutorStringString) NotEqualCompareConditionExpressionExecutorStringString(org.ballerinalang.siddhi.core.executor.condition.compare.notequal.NotEqualCompareConditionExpressionExecutorStringString) ConstantExpressionExecutor(org.ballerinalang.siddhi.core.executor.ConstantExpressionExecutor) Divide(org.ballerinalang.siddhi.query.api.expression.math.Divide) 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Example 2 with IntConstant

use of org.ballerinalang.siddhi.query.api.expression.constant.IntConstant in project ballerina by ballerina-lang.

the class SiddhiQLBaseVisitorImpl method visitSigned_int_value.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public IntConstant visitSigned_int_value(@NotNull SiddhiQLParser.Signed_int_valueContext ctx) {
    IntConstant intConstant = Expression.value(Integer.parseInt(ctx.getText()));
    populateQueryContext(intConstant, ctx);
    return intConstant;
}
Also used : IntConstant(org.ballerinalang.siddhi.query.api.expression.constant.IntConstant)

Example 3 with IntConstant

use of org.ballerinalang.siddhi.query.api.expression.constant.IntConstant in project ballerina by ballerina-lang.

the class SiddhiQLBaseVisitorImpl method visitConstant_value.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public Constant visitConstant_value(@NotNull SiddhiQLParser.Constant_valueContext ctx) {
    // constant_value
    // :bool_value
    // |signed_double_value
    // |signed_float_value
    // |signed_long_value
    // |signed_int_value
    // |time_value
    // |string_value
    // ;
    Constant constant;
    if (ctx.bool_value() != null) {
        constant = Expression.value(((BoolConstant) visit(ctx.bool_value())).getValue());
    } else if (ctx.signed_double_value() != null) {
        constant = Expression.value(((DoubleConstant) visit(ctx.signed_double_value())).getValue());
    } else if (ctx.signed_float_value() != null) {
        constant = Expression.value(((FloatConstant) visit(ctx.signed_float_value())).getValue());
    } else if (ctx.signed_long_value() != null) {
        constant = Expression.value(((LongConstant) visit(ctx.signed_long_value())).getValue());
    } else if (ctx.signed_int_value() != null) {
        constant = Expression.value(((IntConstant) visit(ctx.signed_int_value())).getValue());
    } else if (ctx.time_value() != null) {
        constant = (TimeConstant) visit(ctx.time_value());
    } else if (ctx.string_value() != null) {
        constant = Expression.value(((StringConstant) visit(ctx.string_value())).getValue());
    } else {
        throw newSiddhiParserException(ctx);
    }
    populateQueryContext(constant, ctx);
    return constant;
}
Also used : BoolConstant(org.ballerinalang.siddhi.query.api.expression.constant.BoolConstant) TimeConstant(org.ballerinalang.siddhi.query.api.expression.constant.TimeConstant) LongConstant(org.ballerinalang.siddhi.query.api.expression.constant.LongConstant) DoubleConstant(org.ballerinalang.siddhi.query.api.expression.constant.DoubleConstant) BoolConstant(org.ballerinalang.siddhi.query.api.expression.constant.BoolConstant) FloatConstant(org.ballerinalang.siddhi.query.api.expression.constant.FloatConstant) StringConstant(org.ballerinalang.siddhi.query.api.expression.constant.StringConstant) IntConstant(org.ballerinalang.siddhi.query.api.expression.constant.IntConstant) Constant(org.ballerinalang.siddhi.query.api.expression.constant.Constant) FloatConstant(org.ballerinalang.siddhi.query.api.expression.constant.FloatConstant) IntConstant(org.ballerinalang.siddhi.query.api.expression.constant.IntConstant) StringConstant(org.ballerinalang.siddhi.query.api.expression.constant.StringConstant) TimeConstant(org.ballerinalang.siddhi.query.api.expression.constant.TimeConstant)

Example 4 with IntConstant

use of org.ballerinalang.siddhi.query.api.expression.constant.IntConstant in project ballerina by ballerina-lang.

the class ExpressionBuilder method buildVariableExecutors.

private void buildVariableExecutors(Expression expression, ExpressionVisitor expressionVisitor) {
    try {
        if (expression instanceof And) {
            expressionVisitor.beginVisitAnd();
            expressionVisitor.beginVisitAndLeftOperand();
            buildVariableExecutors(((And) expression).getLeftExpression(), expressionVisitor);
            expressionVisitor.endVisitAndLeftOperand();
            expressionVisitor.beginVisitAndRightOperand();
            buildVariableExecutors(((And) expression).getRightExpression(), expressionVisitor);
            expressionVisitor.endVisitAndRightOperand();
            expressionVisitor.endVisitAnd();
        } else if (expression instanceof Or) {
            expressionVisitor.beginVisitOr();
            expressionVisitor.beginVisitOrLeftOperand();
            buildVariableExecutors(((Or) expression).getLeftExpression(), expressionVisitor);
            expressionVisitor.endVisitOrLeftOperand();
            expressionVisitor.beginVisitOrRightOperand();
            buildVariableExecutors(((Or) expression).getRightExpression(), expressionVisitor);
            expressionVisitor.endVisitOrRightOperand();
            expressionVisitor.endVisitOr();
        } else if (expression instanceof Not) {
            expressionVisitor.beginVisitNot();
            buildVariableExecutors(((Not) expression).getExpression(), expressionVisitor);
            expressionVisitor.endVisitNot();
        } else if (expression instanceof Compare) {
            expressionVisitor.beginVisitCompare(((Compare) expression).getOperator());
            expressionVisitor.beginVisitCompareLeftOperand(((Compare) expression).getOperator());
            buildVariableExecutors(((Compare) expression).getLeftExpression(), expressionVisitor);
            expressionVisitor.endVisitCompareLeftOperand(((Compare) expression).getOperator());
            expressionVisitor.beginVisitCompareRightOperand(((Compare) expression).getOperator());
            buildVariableExecutors(((Compare) expression).getRightExpression(), expressionVisitor);
            expressionVisitor.endVisitCompareRightOperand(((Compare) expression).getOperator());
            expressionVisitor.endVisitCompare(((Compare) expression).getOperator());
        } else if (expression instanceof Add) {
            expressionVisitor.beginVisitMath(ExpressionVisitor.MathOperator.ADD);
            expressionVisitor.beginVisitMathLeftOperand(ExpressionVisitor.MathOperator.ADD);
            buildVariableExecutors(((Add) expression).getLeftValue(), expressionVisitor);
            expressionVisitor.endVisitMathLeftOperand(ExpressionVisitor.MathOperator.ADD);
            expressionVisitor.beginVisitMathRightOperand(ExpressionVisitor.MathOperator.ADD);
            buildVariableExecutors(((Add) expression).getRightValue(), expressionVisitor);
            expressionVisitor.endVisitMathRightOperand(ExpressionVisitor.MathOperator.ADD);
            expressionVisitor.endVisitMath(ExpressionVisitor.MathOperator.ADD);
        } else if (expression instanceof Subtract) {
            expressionVisitor.beginVisitMath(ExpressionVisitor.MathOperator.SUBTRACT);
            expressionVisitor.beginVisitMathLeftOperand(ExpressionVisitor.MathOperator.SUBTRACT);
            buildVariableExecutors(((Subtract) expression).getLeftValue(), expressionVisitor);
            expressionVisitor.endVisitMathLeftOperand(ExpressionVisitor.MathOperator.SUBTRACT);
            expressionVisitor.beginVisitMathRightOperand(ExpressionVisitor.MathOperator.SUBTRACT);
            buildVariableExecutors(((Subtract) expression).getRightValue(), expressionVisitor);
            expressionVisitor.endVisitMathRightOperand(ExpressionVisitor.MathOperator.SUBTRACT);
            expressionVisitor.endVisitMath(ExpressionVisitor.MathOperator.SUBTRACT);
        } else if (expression instanceof Divide) {
            expressionVisitor.beginVisitMath(ExpressionVisitor.MathOperator.DIVIDE);
            expressionVisitor.beginVisitMathLeftOperand(ExpressionVisitor.MathOperator.DIVIDE);
            buildVariableExecutors(((Divide) expression).getLeftValue(), expressionVisitor);
            expressionVisitor.endVisitMathLeftOperand(ExpressionVisitor.MathOperator.DIVIDE);
            expressionVisitor.beginVisitMathRightOperand(ExpressionVisitor.MathOperator.DIVIDE);
            buildVariableExecutors(((Divide) expression).getRightValue(), expressionVisitor);
            expressionVisitor.endVisitMathRightOperand(ExpressionVisitor.MathOperator.DIVIDE);
            expressionVisitor.endVisitMath(ExpressionVisitor.MathOperator.DIVIDE);
        } else if (expression instanceof Multiply) {
            expressionVisitor.beginVisitMath(ExpressionVisitor.MathOperator.MULTIPLY);
            expressionVisitor.beginVisitMathLeftOperand(ExpressionVisitor.MathOperator.MULTIPLY);
            buildVariableExecutors(((Multiply) expression).getLeftValue(), expressionVisitor);
            expressionVisitor.endVisitMathLeftOperand(ExpressionVisitor.MathOperator.MULTIPLY);
            expressionVisitor.beginVisitMathRightOperand(ExpressionVisitor.MathOperator.MULTIPLY);
            buildVariableExecutors(((Multiply) expression).getRightValue(), expressionVisitor);
            expressionVisitor.endVisitMathRightOperand(ExpressionVisitor.MathOperator.MULTIPLY);
            expressionVisitor.endVisitMath(ExpressionVisitor.MathOperator.MULTIPLY);
        } else if (expression instanceof Mod) {
            expressionVisitor.beginVisitMath(ExpressionVisitor.MathOperator.MOD);
            expressionVisitor.beginVisitMathLeftOperand(ExpressionVisitor.MathOperator.MOD);
            buildVariableExecutors(((Mod) expression).getLeftValue(), expressionVisitor);
            expressionVisitor.endVisitMathLeftOperand(ExpressionVisitor.MathOperator.MOD);
            expressionVisitor.beginVisitMathRightOperand(ExpressionVisitor.MathOperator.MOD);
            buildVariableExecutors(((Mod) expression).getRightValue(), expressionVisitor);
            expressionVisitor.endVisitMathRightOperand(ExpressionVisitor.MathOperator.MOD);
            expressionVisitor.endVisitMath(ExpressionVisitor.MathOperator.MOD);
        } else if (expression instanceof IsNull) {
            IsNull isNull = (IsNull) expression;
            if (isNull.getExpression() != null) {
                expressionVisitor.beginVisitIsNull(null);
                buildVariableExecutors(((IsNull) expression).getExpression(), expressionVisitor);
                expressionVisitor.endVisitIsNull(null);
            } else {
                String streamId = isNull.getStreamId();
                MetaStateEvent metaStateEvent = matchingMetaInfoHolder.getMetaStateEvent();
                if (streamId == null) {
                    throw new SiddhiAppCreationException("IsNull does not support streamId being null");
                } else {
                    AbstractDefinition definitionOutput = null;
                    MetaStreamEvent[] metaStreamEvents = metaStateEvent.getMetaStreamEvents();
                    for (int i = 0, metaStreamEventsLength = metaStreamEvents.length; i < metaStreamEventsLength; i++) {
                        MetaStreamEvent metaStreamEvent = metaStreamEvents[i];
                        AbstractDefinition definition = metaStreamEvent.getLastInputDefinition();
                        if (metaStreamEvent.getInputReferenceId() == null) {
                            if (definition.getId().equals(streamId)) {
                                definitionOutput = definition;
                                break;
                            }
                        } else {
                            if (metaStreamEvent.getInputReferenceId().equals(streamId)) {
                                definitionOutput = definition;
                                break;
                            }
                        }
                    }
                    if (definitionOutput != null) {
                        expressionVisitor.beginVisitIsNull(definitionOutput.getId());
                        expressionVisitor.endVisitIsNull(definitionOutput.getId());
                    } else {
                        expressionVisitor.beginVisitIsNull(null);
                        expressionVisitor.endVisitIsNull(null);
                    }
                }
            }
        } else if (expression instanceof In) {
            expressionVisitor.beginVisitIn(((In) expression).getSourceId());
            buildVariableExecutors(((In) expression).getExpression(), expressionVisitor);
            expressionVisitor.endVisitIn(((In) expression).getSourceId());
        } else if (expression instanceof Constant) {
            if (expression instanceof DoubleConstant) {
                expressionVisitor.beginVisitConstant(((DoubleConstant) expression).getValue(), Attribute.Type.DOUBLE);
                expressionVisitor.endVisitConstant(((DoubleConstant) expression).getValue(), Attribute.Type.DOUBLE);
            } else if (expression instanceof StringConstant) {
                expressionVisitor.beginVisitConstant(((StringConstant) expression).getValue(), Attribute.Type.STRING);
                expressionVisitor.endVisitConstant(((StringConstant) expression).getValue(), Attribute.Type.STRING);
            } else if (expression instanceof IntConstant) {
                expressionVisitor.beginVisitConstant(((IntConstant) expression).getValue(), Attribute.Type.INT);
                expressionVisitor.endVisitConstant(((IntConstant) expression).getValue(), Attribute.Type.INT);
            } else if (expression instanceof BoolConstant) {
                expressionVisitor.beginVisitConstant(((BoolConstant) expression).getValue(), Attribute.Type.BOOL);
                expressionVisitor.endVisitConstant(((BoolConstant) expression).getValue(), Attribute.Type.BOOL);
            } else if (expression instanceof FloatConstant) {
                expressionVisitor.beginVisitConstant(((FloatConstant) expression).getValue(), Attribute.Type.FLOAT);
                expressionVisitor.endVisitConstant(((FloatConstant) expression).getValue(), Attribute.Type.FLOAT);
            } else if (expression instanceof LongConstant) {
                expressionVisitor.beginVisitConstant(((LongConstant) expression).getValue(), Attribute.Type.LONG);
                expressionVisitor.endVisitConstant(((LongConstant) expression).getValue(), Attribute.Type.LONG);
            } else {
                throw new OperationNotSupportedException("No constant exist with type " + expression.getClass().getName());
            }
        } else if (expression instanceof AttributeFunction) {
            expressionVisitor.beginVisitAttributeFunction(((AttributeFunction) expression).getNamespace(), ((AttributeFunction) expression).getName());
            Expression[] expressions = ((AttributeFunction) expression).getParameters();
            for (int i = 0; i < expressions.length; i++) {
                expressionVisitor.beginVisitParameterAttributeFunction(i);
                buildVariableExecutors(expressions[i], expressionVisitor);
                expressionVisitor.endVisitParameterAttributeFunction(i);
            }
            expressionVisitor.endVisitAttributeFunction(((AttributeFunction) expression).getNamespace(), ((AttributeFunction) expression).getName());
        } else if (expression instanceof Variable) {
            Variable variable = ((Variable) expression);
            String attributeName = variable.getAttributeName();
            AbstractDefinition definition;
            Attribute.Type type = null;
            int streamEventChainIndex = matchingMetaInfoHolder.getCurrentState();
            if (variable.getStreamId() == null) {
                MetaStreamEvent[] metaStreamEvents = matchingMetaInfoHolder.getMetaStateEvent().getMetaStreamEvents();
                if (streamEventChainIndex == UNKNOWN_STATE) {
                    String firstInput = null;
                    for (int i = 0; i < metaStreamEvents.length; i++) {
                        MetaStreamEvent metaStreamEvent = metaStreamEvents[i];
                        definition = metaStreamEvent.getLastInputDefinition();
                        if (type == null) {
                            try {
                                type = definition.getAttributeType(attributeName);
                                firstInput = "Input Stream: " + definition.getId() + " with " + "reference: " + metaStreamEvent.getInputReferenceId();
                                streamEventChainIndex = i;
                            } catch (AttributeNotExistException e) {
                            // do nothing
                            }
                        } else {
                            try {
                                definition.getAttributeType(attributeName);
                                throw new SiddhiAppValidationException(firstInput + " and Input Stream: " + definition.getId() + " with " + "reference: " + metaStreamEvent.getInputReferenceId() + " contains attribute " + "with same" + " name '" + attributeName + "'");
                            } catch (AttributeNotExistException e) {
                            // do nothing as its expected
                            }
                        }
                    }
                    if (streamEventChainIndex != UNKNOWN_STATE) {
                        if (matchingMetaInfoHolder.getMatchingStreamEventIndex() == streamEventChainIndex) {
                            buildStreamVariableExecutor(variable, streamEventChainIndex, expressionVisitor, type);
                        } else {
                            buildStoreVariableExecutor(variable, expressionVisitor, type, matchingMetaInfoHolder.getStoreDefinition());
                        }
                    }
                } else {
                    MetaStreamEvent metaStreamEvent = matchingMetaInfoHolder.getMetaStateEvent().getMetaStreamEvent(matchingMetaInfoHolder.getCurrentState());
                    definition = metaStreamEvent.getLastInputDefinition();
                    try {
                        type = definition.getAttributeType(attributeName);
                    } catch (AttributeNotExistException e) {
                        throw new SiddhiAppValidationException(e.getMessageWithOutContext() + " Input Stream: " + definition.getId() + " with " + "reference: " + metaStreamEvent.getInputReferenceId(), e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext.getName(), siddhiAppContext.getSiddhiAppString());
                    }
                    if (matchingMetaInfoHolder.getCurrentState() == matchingMetaInfoHolder.getMatchingStreamEventIndex()) {
                        buildStreamVariableExecutor(variable, streamEventChainIndex, expressionVisitor, type);
                    } else {
                        buildStoreVariableExecutor(variable, expressionVisitor, type, matchingMetaInfoHolder.getStoreDefinition());
                    }
                }
            } else {
                MetaStreamEvent[] metaStreamEvents = matchingMetaInfoHolder.getMetaStateEvent().getMetaStreamEvents();
                for (int i = 0, metaStreamEventsLength = metaStreamEvents.length; i < metaStreamEventsLength; i++) {
                    MetaStreamEvent metaStreamEvent = metaStreamEvents[i];
                    definition = metaStreamEvent.getLastInputDefinition();
                    if (metaStreamEvent.getInputReferenceId() == null) {
                        if (definition.getId().equals(variable.getStreamId())) {
                            type = definition.getAttributeType(attributeName);
                            streamEventChainIndex = i;
                            break;
                        }
                    } else {
                        if (metaStreamEvent.getInputReferenceId().equals(variable.getStreamId())) {
                            type = definition.getAttributeType(attributeName);
                            streamEventChainIndex = i;
                            break;
                        }
                    }
                }
                if (matchingMetaInfoHolder.getMatchingStreamEventIndex() == streamEventChainIndex) {
                    buildStreamVariableExecutor(variable, streamEventChainIndex, expressionVisitor, type);
                } else {
                    buildStoreVariableExecutor(variable, expressionVisitor, type, matchingMetaInfoHolder.getStoreDefinition());
                }
            }
        }
    } catch (Throwable t) {
        ExceptionUtil.populateQueryContext(t, expression, siddhiAppContext);
        throw t;
    }
}
Also used : Add(org.ballerinalang.siddhi.query.api.expression.math.Add) DoubleConstant(org.ballerinalang.siddhi.query.api.expression.constant.DoubleConstant) Or(org.ballerinalang.siddhi.query.api.expression.condition.Or) Variable(org.ballerinalang.siddhi.query.api.expression.Variable) In(org.ballerinalang.siddhi.query.api.expression.condition.In) Constant(org.ballerinalang.siddhi.query.api.expression.constant.Constant) LongConstant(org.ballerinalang.siddhi.query.api.expression.constant.LongConstant) DoubleConstant(org.ballerinalang.siddhi.query.api.expression.constant.DoubleConstant) BoolConstant(org.ballerinalang.siddhi.query.api.expression.constant.BoolConstant) FloatConstant(org.ballerinalang.siddhi.query.api.expression.constant.FloatConstant) StringConstant(org.ballerinalang.siddhi.query.api.expression.constant.StringConstant) IntConstant(org.ballerinalang.siddhi.query.api.expression.constant.IntConstant) FloatConstant(org.ballerinalang.siddhi.query.api.expression.constant.FloatConstant) Divide(org.ballerinalang.siddhi.query.api.expression.math.Divide) AttributeNotExistException(org.ballerinalang.siddhi.query.api.exception.AttributeNotExistException) Multiply(org.ballerinalang.siddhi.query.api.expression.math.Multiply) IntConstant(org.ballerinalang.siddhi.query.api.expression.constant.IntConstant) Compare(org.ballerinalang.siddhi.query.api.expression.condition.Compare) LongConstant(org.ballerinalang.siddhi.query.api.expression.constant.LongConstant) OperationNotSupportedException(org.ballerinalang.siddhi.core.exception.OperationNotSupportedException) BoolConstant(org.ballerinalang.siddhi.query.api.expression.constant.BoolConstant) Mod(org.ballerinalang.siddhi.query.api.expression.math.Mod) SiddhiAppCreationException(org.ballerinalang.siddhi.core.exception.SiddhiAppCreationException) AbstractDefinition(org.ballerinalang.siddhi.query.api.definition.AbstractDefinition) SiddhiAppValidationException(org.ballerinalang.siddhi.query.api.exception.SiddhiAppValidationException) AttributeFunction(org.ballerinalang.siddhi.query.api.expression.AttributeFunction) MetaStateEvent(org.ballerinalang.siddhi.core.event.state.MetaStateEvent) Not(org.ballerinalang.siddhi.query.api.expression.condition.Not) Expression(org.ballerinalang.siddhi.query.api.expression.Expression) And(org.ballerinalang.siddhi.query.api.expression.condition.And) Subtract(org.ballerinalang.siddhi.query.api.expression.math.Subtract) IsNull(org.ballerinalang.siddhi.query.api.expression.condition.IsNull) StringConstant(org.ballerinalang.siddhi.query.api.expression.constant.StringConstant) MetaStreamEvent(org.ballerinalang.siddhi.core.event.stream.MetaStreamEvent)

Aggregations

IntConstant (org.ballerinalang.siddhi.query.api.expression.constant.IntConstant)4 MetaStateEvent (org.ballerinalang.siddhi.core.event.state.MetaStateEvent)2 MetaStreamEvent (org.ballerinalang.siddhi.core.event.stream.MetaStreamEvent)2 SiddhiAppCreationException (org.ballerinalang.siddhi.core.exception.SiddhiAppCreationException)2 BoolConstant (org.ballerinalang.siddhi.query.api.expression.constant.BoolConstant)2 Constant (org.ballerinalang.siddhi.query.api.expression.constant.Constant)2 DoubleConstant (org.ballerinalang.siddhi.query.api.expression.constant.DoubleConstant)2 FloatConstant (org.ballerinalang.siddhi.query.api.expression.constant.FloatConstant)2 LongConstant (org.ballerinalang.siddhi.query.api.expression.constant.LongConstant)2 StringConstant (org.ballerinalang.siddhi.query.api.expression.constant.StringConstant)2 StateEvent (org.ballerinalang.siddhi.core.event.state.StateEvent)1 OperationNotSupportedException (org.ballerinalang.siddhi.core.exception.OperationNotSupportedException)1 ConstantExpressionExecutor (org.ballerinalang.siddhi.core.executor.ConstantExpressionExecutor)1 ExpressionExecutor (org.ballerinalang.siddhi.core.executor.ExpressionExecutor)1 VariableExpressionExecutor (org.ballerinalang.siddhi.core.executor.VariableExpressionExecutor)1 AndConditionExpressionExecutor (org.ballerinalang.siddhi.core.executor.condition.AndConditionExpressionExecutor)1 BoolConditionExpressionExecutor (org.ballerinalang.siddhi.core.executor.condition.BoolConditionExpressionExecutor)1 ConditionExpressionExecutor (org.ballerinalang.siddhi.core.executor.condition.ConditionExpressionExecutor)1 InConditionExpressionExecutor (org.ballerinalang.siddhi.core.executor.condition.InConditionExpressionExecutor)1 IsNullConditionExpressionExecutor (org.ballerinalang.siddhi.core.executor.condition.IsNullConditionExpressionExecutor)1