Class AbstractSymbolResolver

java.lang.Object

org.datanucleus.store.query.compiler.AbstractSymbolResolver

All Implemented Interfaces:

SymbolResolver

Direct Known Subclasses:

JDOQLSymbolResolver, JPQLSymbolResolver

public abstract class AbstractSymbolResolver
extends Object
implements SymbolResolver

Base symbol resolver, to be extended for particular query languages.

Field Summary

Fields

Modifier and Type	Field	Description
protected String	candidateAlias
protected Class	candidateClass
protected ClassLoaderResolver	clr
protected MetaDataManager	metaDataManager
protected SymbolTable	symtbl

Constructor Summary

Constructors

Constructor	Description
AbstractSymbolResolver(MetaDataManager mmgr, ClassLoaderResolver clr, SymbolTable symtbl, Class cls, String alias)	Constructor for symbol resolver.

Method Summary

Modifier and Type	Method	Description
Class	getPrimaryClass()	Accessor for the candidate class of the query.
(package private) Class	getType(Class cls, String fieldName)
Class	getType(List<String> tuples)

Methods inherited from class Object

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

Methods inherited from interface SymbolResolver

caseSensitiveSymbolNames, resolveClass, supportsImplicitVariables

Field Details

metaDataManager

protected MetaDataManager metaDataManager

clr

protected ClassLoaderResolver clr

symtbl

protected SymbolTable symtbl

candidateClass

protected Class candidateClass

candidateAlias

protected String candidateAlias

Constructor Details

AbstractSymbolResolver

public AbstractSymbolResolver(MetaDataManager mmgr,
 ClassLoaderResolver clr,
 SymbolTable symtbl,
 Class cls,
 String alias)

Constructor for symbol resolver.

Parameters:

mmgr - MetaData manager

clr - ClassLoader resolver

symtbl - Symbol table

cls - Candidate class

alias - Candidate alias

Method Details

getType

public Class getType(List<String> tuples)

Specified by:

getType in interface SymbolResolver

getType

Class getType(Class cls,
 String fieldName)

getPrimaryClass

public Class getPrimaryClass()

Description copied from interface: SymbolResolver

Accessor for the candidate class of the query.

Specified by:

getPrimaryClass in interface SymbolResolver

Returns:

The candidate class