Package ch.tocco.nice2.persist.core.spi.entity.query.ql

Class AbstractQueryCompiler

java.lang.Object

ch.tocco.nice2.persist.core.spi.entity.query.ql.AbstractQueryCompiler

All Implemented Interfaces:

QueryCompiler

Direct Known Subclasses:

CriteriaQueryCompiler

public abstract class AbstractQueryCompiler
extends Object
implements QueryCompiler

Common base class for QueryCompiler implementations

Nested Class Summary

Nested classes/interfaces inherited from interface ch.tocco.nice2.persist.core.api.query.QueryCompiler

QueryCompiler.Keywords, QueryCompiler.Subqueries

Field Summary

Fields

Modifier and Type	Field	Description
protected final DataModel	dataModel
protected final org.slf4j.Logger	log

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractQueryCompiler(org.slf4j.Logger log, DataModel dataModel)

Method Summary

Modifier and Type	Method	Description
protected CompileException	compileException(ProblemBuffer problemBuffer, String queryString)
protected FuncallNode	findFuncall(FuncallNode tree, QueryCompiler.Keywords keyword)
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.
protected FuncallNode	parseQueryString(String queryString, ProblemBuffer problemBuffer)

Methods inherited from class java.lang.Object

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

Methods inherited from interface ch.tocco.nice2.persist.core.api.query.QueryCompiler

compile, compile

Field Details

log

protected final org.slf4j.Logger log

dataModel

protected final DataModel dataModel

Constructor Details

AbstractQueryCompiler

protected AbstractQueryCompiler(org.slf4j.Logger log,
 DataModel dataModel)

Method Details

parseQuery

public FuncallNode parseQuery(String queryString)
                       throws PersistException

Description copied from interface: QueryCompiler

Parses the query string and returns the unmodified AST.

Specified by:

parseQuery in interface QueryCompiler

Throws:

PersistException

parseQueryString

protected FuncallNode parseQueryString(String queryString,
 ProblemBuffer problemBuffer)
                                throws PersistException

Throws:

PersistException

compileException

protected CompileException compileException(ProblemBuffer problemBuffer,
 String queryString)

findTargetEntity

public IdentifierNode findTargetEntity(FuncallNode tree)

Specified by:

findTargetEntity in interface QueryCompiler

findOrder

public FuncallNode findOrder(FuncallNode tree)

Specified by:

findOrder in interface QueryCompiler

findWhere

public Node findWhere(FuncallNode tree)

Specified by:

findWhere in interface QueryCompiler

findFuncall

protected FuncallNode findFuncall(FuncallNode tree,
 QueryCompiler.Keywords keyword)