Example usage for org.apache.cassandra.db.marshal TypeParser parse

Introduction

In this page you can find the example usage for org.apache.cassandra.db.marshal TypeParser parse.

Prototype

public AbstractType<?> parse() throws SyntaxException, ConfigurationException 

Source Link

Document

Parse an AbstractType from current position of this parser.

Usage

From source file:com.impetus.client.cassandra.schemamanager.CassandraValidationClassMapper.java

License:Apache License

/**
 * Gets the value type name.// ww w  . j av  a  2  s .  co m
 * 
 * @param dataType
 *            the data type
 * @param genericClasses
 *            the generic classes
 * @param isCql3Enabled
 *            the is cql3 enabled
 * @return the value type name
 * @throws SyntaxException
 *             the syntax exception
 * @throws ConfigurationException
 *             the configuration exception
 * @throws IllegalArgumentException
 *             the illegal argument exception
 * @throws IllegalAccessException
 *             the illegal access exception
 * @throws NoSuchFieldException
 *             the no such field exception
 * @throws SecurityException
 *             the security exception
 */
public static String getValueTypeName(Class<?> dataType, List<Class<?>> genericClasses, boolean isCql3Enabled)
        throws SyntaxException, ConfigurationException, IllegalArgumentException, IllegalAccessException,
        NoSuchFieldException, SecurityException {
    String valueType;

    Class<?> validation_class = getValidationClassInstance(dataType, isCql3Enabled);

    valueType = validation_class.toString();
    if (validation_class.equals(ListType.class)) {
        TypeParser parser = new TypeParser(getValidationClass(genericClasses.get(0), isCql3Enabled));
        valueType = ListType.getInstance(parser.parse(), true).toString();
    } else if (validation_class.equals(SetType.class)) {
        TypeParser parser = new TypeParser(getValidationClass(genericClasses.get(0), isCql3Enabled));
        valueType = SetType.getInstance(parser.parse(), true).toString();
    } else if (validation_class.equals(MapType.class)) {
        Class keyClass = CassandraValidationClassMapper.getValidationClassInstance(genericClasses.get(0), true);
        Class valueClass = CassandraValidationClassMapper.getValidationClassInstance(genericClasses.get(1),
                true);

        Object keyClassInstance = keyClass.getDeclaredField("instance").get(null);
        Object valueClassInstance = valueClass.getDeclaredField("instance").get(null);

        valueType = MapType
                .getInstance((AbstractType) keyClassInstance, (AbstractType) valueClassInstance, true)
                .toString();
        // TypeParser keyParser = new
        // TypeParser(getValidationClass(genericClasses.get(0),
        // isCql3Enabled));
        // TypeParser valueParser = new
        // TypeParser(getValidationClass(genericClasses.get(1),
        // isCql3Enabled));
        // valueType = MapType.getInstance(keyParser,
        // valueParser).toString();
    }
    return valueType;
}

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