Package 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

Fields

Modifier and Type	Field	Description
(package private) final 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

Constructors

Constructor	Description
SqlDatabaseColumn(String name)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
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 Details

logger

final org.slf4j.Logger logger

The internal slf4j logger.

name

private String name

The name of a database column.

Constructor Details

SqlDatabaseColumn

SqlDatabaseColumn(String name)

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

Parameters:

name - the name of a database column

Method Details

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