Examples with KsqlException io.confluent.ksql.util.KsqlException used on opensource projects

Example 21 with KsqlException

use of io.confluent.ksql.util.KsqlException in project ksql by confluentinc.

the class KsqlResource method describeTopic.

private TopicDescription describeTopic(String statementText, String name) throws KsqlException {
    KsqlTopic ksqlTopic = ksqlEngine.getMetaStore().getTopic(name);
    if (ksqlTopic == null) {
        throw new KsqlException(String.format("Could not find Topic '%s' in the Metastore", name));
    }
    String schemaString = null;
    TopicDescription topicDescription = new TopicDescription(statementText, name, ksqlTopic.getKafkaTopicName(), ksqlTopic.getKsqlTopicSerDe().getSerDe().toString(), schemaString);
    return topicDescription;
}

Example 22 with KsqlException

use of io.confluent.ksql.util.KsqlException in project ksql by confluentinc.

the class Ksql method loadProperties.

@SuppressWarnings("OptionalUsedAsFieldOrParameterType")
private static Properties loadProperties(final Optional<String> propertiesFile) {
    final Properties properties = new Properties();
    propertiesFile.ifPresent(file -> {
        try (final FileInputStream input = new FileInputStream(file)) {
            properties.load(input);
            if (properties.containsKey(KsqlConfig.KSQL_SERVICE_ID_CONFIG)) {
                properties.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getProperty(KsqlConfig.KSQL_SERVICE_ID_CONFIG));
            }
        } catch (final IOException e) {
            throw new KsqlException("failed to load properties file: " + file, e);
        }
    });
    return properties;
}

Example 23 with KsqlException

use of io.confluent.ksql.util.KsqlException in project ksql by confluentinc.

the class AstBuilder method visitPrintTopic.

@Override
public Node visitPrintTopic(SqlBaseParser.PrintTopicContext context) {
    boolean fromBeginning = context.FROM() != null;
    QualifiedName topicName = null;
    if (context.STRING() != null) {
        topicName = QualifiedName.of(unquote(context.STRING().getText(), "'"));
    } else {
        topicName = getQualifiedName(context.qualifiedName());
    }
    if (context.number() == null) {
        return new PrintTopic(getLocation(context), topicName, fromBeginning, null);
    } else if (context.number() instanceof SqlBaseParser.IntegerLiteralContext) {
        SqlBaseParser.IntegerLiteralContext integerLiteralContext = (SqlBaseParser.IntegerLiteralContext) context.number();
        return new PrintTopic(getLocation(context), topicName, fromBeginning, (LongLiteral) visitIntegerLiteral(integerLiteralContext));
    } else {
        throw new KsqlException("Interval value should be integer in 'PRINT' command!");
    }
}

Example 24 with KsqlException

use of io.confluent.ksql.util.KsqlException in project ksql by confluentinc.

the class AstBuilder method visitWindowExpression.

@Override
public Node visitWindowExpression(SqlBaseParser.WindowExpressionContext ctx) {
    String windowName = DEFAULT_WINDOW_NAME;
    if (ctx.IDENTIFIER() != null) {
        windowName = ctx.IDENTIFIER().getText();
    }
    windowName = windowName.toUpperCase();
    if (ctx.tumblingWindowExpression() != null) {
        TumblingWindowExpression tumblingWindowExpression = (TumblingWindowExpression) visitTumblingWindowExpression(ctx.tumblingWindowExpression());
        return new WindowExpression(windowName, tumblingWindowExpression);
    } else if (ctx.hoppingWindowExpression() != null) {
        HoppingWindowExpression hoppingWindowExpression = (HoppingWindowExpression) visitHoppingWindowExpression(ctx.hoppingWindowExpression());
        return new WindowExpression(windowName, hoppingWindowExpression);
    } else if (ctx.sessionWindowExpression() != null) {
        SessionWindowExpression sessionWindowExpression = (SessionWindowExpression) visitSessionWindowExpression(ctx.sessionWindowExpression());
        return new WindowExpression(windowName, sessionWindowExpression);
    }
    throw new KsqlException("Window description is not correct.");
}

Example 25 with KsqlException

use of io.confluent.ksql.util.KsqlException in project ksql by confluentinc.

the class QueryEngine method maybeAddFieldsFromSchemaRegistry.

private Pair<DdlStatement, String> maybeAddFieldsFromSchemaRegistry(AbstractStreamCreateStatement streamCreateStatement) {
    if (streamCreateStatement.getProperties().containsKey(DdlConfig.TOPIC_NAME_PROPERTY)) {
        String ksqlRegisteredTopicName = StringUtil.cleanQuotes(streamCreateStatement.getProperties().get(DdlConfig.TOPIC_NAME_PROPERTY).toString().toUpperCase());
        KsqlTopic ksqlTopic = ksqlEngine.getMetaStore().getTopic(ksqlRegisteredTopicName);
        if (ksqlTopic == null) {
            throw new KsqlException(String.format("Could not find %s topic in the metastore.", ksqlRegisteredTopicName));
        }
        Map<String, Expression> newProperties = new HashMap<>();
        newProperties.put(DdlConfig.KAFKA_TOPIC_NAME_PROPERTY, new StringLiteral(ksqlTopic.getKafkaTopicName()));
        newProperties.put(DdlConfig.VALUE_FORMAT_PROPERTY, new StringLiteral(ksqlTopic.getKsqlTopicSerDe().getSerDe().toString()));
        streamCreateStatement = streamCreateStatement.copyWith(streamCreateStatement.getElements(), newProperties);
    }
    Pair<AbstractStreamCreateStatement, String> avroCheckResult = new AvroUtil().checkAndSetAvroSchema(streamCreateStatement, new HashMap<>(), ksqlEngine.getSchemaRegistryClient());
    if (avroCheckResult.getRight() != null) {
        if (avroCheckResult.getLeft() instanceof CreateStream) {
            return new Pair<>((CreateStream) avroCheckResult.getLeft(), avroCheckResult.getRight());
        } else if (avroCheckResult.getLeft() instanceof CreateTable) {
            return new Pair<>((CreateTable) avroCheckResult.getLeft(), avroCheckResult.getRight());
        }
    }
    return new Pair<>(null, null);
}