org.sqlproc.engine.impl
Class SqlDatabaseColumn

java.lang.Object
  org.sqlproc.engine.impl.SqlDatabaseColumn

All Implemented Interfaces:

SqlMetaElement, SqlMetaSimple

 class SqlDatabaseColumn
extends Object
implements SqlMetaSimple

A META SQL sub-element. It represents the name of a database column, which is a text without any semantic value for a META SQL generation.

Author:

Vladimir Hudec

Field Summary

(package private) org.slf4j.Logger	logger The internal slf4j logger.
private String	name The name of a database column.

Fields inherited from interface org.sqlproc.engine.impl.SqlMetaElement

AND_PREFIX, CONST_PREFIX, IDENT_PREFIX, IDENT_SEPARATOR, lCONST_PREFIX, lIDENT_PREFIX, OR_PREFIX, SET_PREFIX, VALUES_PREFIX, WHERE_PREFIX

Constructor Summary

SqlDatabaseColumn(String name)
Creates a new instance.

Method Summary

SqlProcessResult

process(SqlProcessContext ctx) The main contract for a dynamic ANSI SQL Query generation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

final org.slf4j.Logger logger

The internal slf4j logger.

name

private String name

The name of a database column.

Constructor Detail

SqlDatabaseColumn

SqlDatabaseColumn(String name)

Creates a new instance. It's used from inside ANTLR parser.

Parameters:

name - the name of a database column

Method Detail

process

public SqlProcessResult process(SqlProcessContext ctx)

The main contract for a dynamic ANSI SQL Query generation. Also known as a META SQL processing. The composite pattern main contract. All ANTLR grammar based elements must implement this contract.

Specified by:

process in interface SqlMetaElement

Parameters:

ctx - the crate for all input parameters and the context of processing