Examples with Expression org.wso2.siddhi.query.api.expression.Expression used on opensource projects

Example 26 with Expression

use of org.wso2.siddhi.query.api.expression.Expression in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitEquality_math_operation.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public Expression visitEquality_math_operation(@NotNull SiddhiQLParser.Equality_math_operationContext ctx) {
    if (ctx.eq != null) {
        Expression expression = Expression.compare((Expression) visit(ctx.math_operation(0)), Compare.Operator.EQUAL, (Expression) visit(ctx.math_operation(1)));
        populateQueryContext(expression, ctx);
        return expression;
    } else if (ctx.not_eq != null) {
        Expression expression = Expression.compare((Expression) visit(ctx.math_operation(0)), Compare.Operator.NOT_EQUAL, (Expression) visit(ctx.math_operation(1)));
        populateQueryContext(expression, ctx);
        return expression;
    } else {
        throw newSiddhiParserException(ctx);
    }
}

Example 27 with Expression

use of org.wso2.siddhi.query.api.expression.Expression in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitOutput_attribute.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public Object visitOutput_attribute(@NotNull SiddhiQLParser.Output_attributeContext ctx) {
    // ;
    if (ctx.AS() != null) {
        OutputAttribute outputAttribute = new OutputAttribute((String) visit(ctx.attribute_name()), (Expression) visit(ctx.attribute()));
        populateQueryContext(outputAttribute, ctx);
        return outputAttribute;
    } else {
        OutputAttribute outputAttribute = new OutputAttribute((Variable) visit(ctx.attribute_reference()));
        populateQueryContext(outputAttribute, ctx);
        return outputAttribute;
    }
}

Example 28 with Expression

use of org.wso2.siddhi.query.api.expression.Expression in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitMultiplication_math_operation.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public Expression visitMultiplication_math_operation(@NotNull SiddhiQLParser.Multiplication_math_operationContext ctx) {
    Expression expression;
    if (ctx.multiply != null) {
        expression = Expression.multiply((Expression) visit(ctx.math_operation(0)), (Expression) visit(ctx.math_operation(1)));
    } else if (ctx.devide != null) {
        expression = Expression.divide((Expression) visit(ctx.math_operation(0)), (Expression) visit(ctx.math_operation(1)));
    } else if (ctx.mod != null) {
        expression = Expression.mod((Expression) visit(ctx.math_operation(0)), (Expression) visit(ctx.math_operation(1)));
    } else {
        throw newSiddhiParserException(ctx);
    }
    populateQueryContext(expression, ctx);
    return expression;
}

Example 29 with Expression

use of org.wso2.siddhi.query.api.expression.Expression in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitIn_math_operation.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public Object visitIn_math_operation(@NotNull SiddhiQLParser.In_math_operationContext ctx) {
    Expression expression = Expression.in((Expression) visit(ctx.math_operation()), (String) visit(ctx.name()));
    populateQueryContext(expression, ctx);
    return expression;
}

Example 30 with Expression

use of org.wso2.siddhi.query.api.expression.Expression in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitQuery_output.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public OutputStream visitQuery_output(@NotNull SiddhiQLParser.Query_outputContext ctx) {
    if (ctx.INSERT() != null) {
        Source source = (Source) visit(ctx.target());
        if (ctx.UPDATE() != null && ctx.OR() != null) {
            if (source.isInnerStream) {
                throw newSiddhiParserException(ctx, "UPDATE OR INTO INSERT be only used with Tables!");
            }
            if (ctx.output_event_type() != null) {
                if (ctx.set_clause() != null) {
                    OutputStream outputStream = new UpdateOrInsertStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (UpdateSet) visit(ctx.set_clause()), (Expression) visit(ctx.expression()));
                    populateQueryContext(outputStream, ctx);
                    return outputStream;
                } else {
                    OutputStream outputStream = new UpdateOrInsertStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (Expression) visit(ctx.expression()));
                    populateQueryContext(outputStream, ctx);
                    return outputStream;
                }
            } else {
                if (ctx.set_clause() != null) {
                    OutputStream outputStream = new UpdateOrInsertStream(source.streamId, (UpdateSet) visit(ctx.set_clause()), (Expression) visit(ctx.expression()));
                    populateQueryContext(outputStream, ctx);
                    return outputStream;
                } else {
                    OutputStream outputStream = new UpdateOrInsertStream(source.streamId, (Expression) visit(ctx.expression()));
                    populateQueryContext(outputStream, ctx);
                    return outputStream;
                }
            }
        } else {
            if (ctx.output_event_type() != null) {
                OutputStream outputStream = new InsertIntoStream(source.streamId, source.isInnerStream, (OutputStream.OutputEventType) visit(ctx.output_event_type()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            } else {
                OutputStream outputStream = new InsertIntoStream(source.streamId, source.isInnerStream);
                populateQueryContext(outputStream, ctx);
                return outputStream;
            }
        }
    } else if (ctx.DELETE() != null) {
        Source source = (Source) visit(ctx.target());
        if (source.isInnerStream) {
            throw newSiddhiParserException(ctx, "DELETE can be only used with Tables!");
        }
        if (ctx.output_event_type() != null) {
            OutputStream outputStream = new DeleteStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (Expression) visit(ctx.expression()));
            populateQueryContext(outputStream, ctx);
            return outputStream;
        } else {
            OutputStream outputStream = new DeleteStream(source.streamId, (Expression) visit(ctx.expression()));
            populateQueryContext(outputStream, ctx);
            return outputStream;
        }
    } else if (ctx.UPDATE() != null) {
        Source source = (Source) visit(ctx.target());
        if (source.isInnerStream) {
            throw newSiddhiParserException(ctx, "DELETE can be only used with Tables!");
        }
        if (ctx.output_event_type() != null) {
            if (ctx.set_clause() != null) {
                OutputStream outputStream = new UpdateStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (UpdateSet) visit(ctx.set_clause()), (Expression) visit(ctx.expression()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            } else {
                OutputStream outputStream = new UpdateStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (Expression) visit(ctx.expression()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            }
        } else {
            if (ctx.set_clause() != null) {
                OutputStream outputStream = new UpdateStream(source.streamId, (UpdateSet) visit(ctx.set_clause()), (Expression) visit(ctx.expression()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            } else {
                OutputStream outputStream = new UpdateStream(source.streamId, (Expression) visit(ctx.expression()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            }
        }
    } else if (ctx.RETURN() != null) {
        if (ctx.output_event_type() != null) {
            OutputStream outputStream = new ReturnStream((OutputStream.OutputEventType) visit(ctx.output_event_type()));
            populateQueryContext(outputStream, ctx);
            return outputStream;
        } else {
            OutputStream outputStream = new ReturnStream();
            populateQueryContext(outputStream, ctx);
            return outputStream;
        }
    } else {
        throw newSiddhiParserException(ctx);
    }
}