Example usage for org.apache.cassandra.cql3.statements SelectStatement.RawStatement keyspace

Introduction

In this page you can find the example usage for org.apache.cassandra.cql3.statements SelectStatement.RawStatement keyspace.

Prototype

public String keyspace() 

Source Link

Usage

From source file:com.protectwise.cassandra.retrospect.deletion.RuleBasedDeletionConvictor.java

License:Apache License

/**
 * Called by {{{DeletingCompactionStrategy.validateOptions}}} to allow the convictor to
 * read and validate convictor-specific options at the same time.
 * <p/>//from   ww  w. j ava 2 s  .  co  m
 * See {@link org.apache.cassandra.db.compaction.AbstractCompactionStrategy#validateOptions(Map)}
 *
 * @param options
 * @return
 */
public static Map<String, String> validateOptions(Map<String, String> options) throws ConfigurationException {
    String select = options.get(RULES_STATEMENT_KEY);
    if (select == null) {
        throw new ConfigurationException(RULES_STATEMENT_KEY + " is a required parameter");
    }
    try {
        ParsedStatement stmt = QueryProcessor.parseStatement(select);
        if (!(stmt instanceof SelectStatement.RawStatement)) {
            throw new ConfigurationException(RULES_STATEMENT_KEY + " must be a SELECT statement");
        }
        SelectStatement.RawStatement sel = (SelectStatement.RawStatement) stmt;

        try {
            sel.keyspace();
        } catch (AssertionError e) {
            throw new ConfigurationException(
                    RULES_STATEMENT_KEY + " must define a fully qualified keyspace.tablename");
        }

        // This will validate that the data types of the columns in the select are correct.
        parseRules(select);
    } catch (SyntaxException e) {
        throw new ConfigurationException("Invalid select statement: " + e.getMessage(), e);
    }

    options.remove(RULES_STATEMENT_KEY);
    return options;
}

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From source file:com.protectwise.cassandra.retrospect.deletion.RuleBasedLateTTLConvictor.java

License:Apache License

/**
 * Called by {{{DeletingCompactionStrategy.validateOptions}}} to allow the convictor to
 * read and validate convictor-specific options at the same time.
 * <p/>//  w w w  .j  av a  2s .c o  m
 * See {@link org.apache.cassandra.db.compaction.AbstractCompactionStrategy#validateOptions(Map)}
 *
 * @param options
 * @return
 */
public static Map<String, String> validateOptions(Map<String, String> options) throws ConfigurationException {
    String select = options.get(RULES_STATEMENT_KEY);
    if (select == null) {
        throw new ConfigurationException(RULES_STATEMENT_KEY + " is a required parameter");
    }
    try {
        ParsedStatement stmt = QueryProcessor.parseStatement(select);
        if (!(stmt instanceof SelectStatement.RawStatement)) {
            throw new ConfigurationException(RULES_STATEMENT_KEY + " must be a SELECT statement");
        }
        SelectStatement.RawStatement sel = (SelectStatement.RawStatement) stmt;

        try {
            sel.keyspace();
        } catch (AssertionError e) {
            throw new ConfigurationException(
                    RULES_STATEMENT_KEY + " must define a fully qualified keyspace.tablename");
        }

        // This will validate that the data types of the columns in the select are correct.
        parseRules(select);
    } catch (SyntaxException e) {
        throw new ConfigurationException("Invalid select statement: " + e.getMessage(), e);
    }

    String defaultTTL = options.get(DEFAULT_TTL_KEY);
    if (defaultTTL != null) {
        try {
            Long.parseLong(defaultTTL);
        } catch (NumberFormatException e) {
            throw new ConfigurationException(
                    "Invalid value '" + options.get(DEFAULT_TTL_KEY) + "' for " + DEFAULT_TTL_KEY, e);
        }
    }

    options.remove(DEFAULT_TTL_KEY);
    options.remove(RULES_STATEMENT_KEY);
    return options;
}

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