org.sqlproc.engine.impl
Class SqlMetaAndOrItem

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

All Implemented Interfaces:

SqlMetaElement

 class SqlMetaAndOrItem
extends java.lang.Object
implements SqlMetaElement

A META SQL sub-element.

Schematically:

 SqlMetaAndOrItem
     SqlMetaText
     SqlMetaIdent
     SqlMetaConst
 

Author:

Vladimir Hudec

Field Summary

(package private) java.util.List<SqlMetaSimple>	elements The list of sub-elements based on ANTLR grammar.
(package private) org.slf4j.Logger	logger The internal slf4j logger.

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

AND_PREFIX, CONST_PREFIX, IDENT_PREFIX, IDENT_PREFIX_LEN, IDENT_SEPARATOR, OR_PREFIX

Constructor Summary

SqlMetaAndOrItem()
Creates a new instance.

Method Summary

(package private) void	addElement(SqlMetaSimple element) Adds a new sub-element.
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.

elements

java.util.List<SqlMetaSimple> elements

The list of sub-elements based on ANTLR grammar.

Constructor Detail

SqlMetaAndOrItem

SqlMetaAndOrItem()

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

Method Detail

addElement

void addElement(SqlMetaSimple element)

Adds a new sub-element. It's used from inside ANTLR parser.

Parameters:

element - new sub-element, based on ANTLR grammar

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