Package ch.tocco.nice2.persist.core.api.query

Interface QueryCompiler

All Known Implementing Classes:

AbstractQueryCompiler, CriteriaQueryCompiler

public interface QueryCompiler

Compile a query string to an executable query.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static enum	QueryCompiler.Keywords
static enum	QueryCompiler.Subqueries

Method Summary

Modifier and Type	Method	Description
Query	compile(Context ctx, FuncallNode tree)	Compile a query AST to an executable query.
Query	compile(Context ctx, String queryString)	Compile a query string to an executable query.
FuncallNode	findOrder(FuncallNode tree)
IdentifierNode	findTargetEntity(FuncallNode tree)
Node	findWhere(FuncallNode tree)
FuncallNode	parseQuery(String queryString)	Parses the query string and returns the unmodified AST.

Method Details

compile

Query compile(Context ctx,
 String queryString)
       throws PersistException

Compile a query string to an executable query.

Parameters:

ctx - The context to compile the query for.

queryString - The query string.

Returns:

The compiled executable query.

Throws:

CompileException - If the query strings contains errors.

PersistException - If an error occurs.

compile

Query compile(Context ctx,
 FuncallNode tree)
       throws PersistException

Compile a query AST to an executable query.

Parameters:

ctx - The context to compile the query for.

tree - The root of the tree.

Returns:

The compiled executable query.

Throws:

CompileException - If the query strings contains errors.

PersistException - If an error occurs.

parseQuery

FuncallNode parseQuery(String queryString)
                throws PersistException

Parses the query string and returns the unmodified AST.

Throws:

PersistException

findTargetEntity

IdentifierNode findTargetEntity(FuncallNode tree)

findOrder

FuncallNode findOrder(FuncallNode tree)

findWhere

Node findWhere(FuncallNode tree)