org.sqlproc.engine.impl
Interface SqlMetaElement

All Known Subinterfaces:

SqlMetaSimple

All Known Implementing Classes:

SqlMetaAndOr, SqlMetaAndOrItem, SqlMetaConst, SqlMetaIdent, SqlMetaIf, SqlMetaIfItem, SqlMetaLogExpr, SqlMetaOrd, SqlMetaStatement, SqlMetaText

interface SqlMetaElement

The parents of all ANTLR grammar based elements for META SQL.

Author:

Vladimir Hudec

Field Summary

static java.lang.String	AND_PREFIX
static char	CONST_PREFIX
static char	IDENT_PREFIX
static int	IDENT_PREFIX_LEN
static char	IDENT_SEPARATOR
static java.lang.String	OR_PREFIX

Method Summary

SqlProcessResult

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

Field Detail

IDENT_SEPARATOR

static final char IDENT_SEPARATOR

See Also:

Constant Field Values

IDENT_PREFIX

static final char IDENT_PREFIX

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Constant Field Values

IDENT_PREFIX_LEN

static final int IDENT_PREFIX_LEN

See Also:

Constant Field Values

CONST_PREFIX

static final char CONST_PREFIX

See Also:

Constant Field Values

AND_PREFIX

static final java.lang.String AND_PREFIX

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Constant Field Values

OR_PREFIX

static final java.lang.String OR_PREFIX

See Also:

Constant Field Values

Method Detail

process

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.

Parameters:

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