org.datanucleus.query.compiler
Class AbstractSymbolResolver

java.lang.Object
  org.datanucleus.query.compiler.AbstractSymbolResolver

All Implemented Interfaces:

SymbolResolver

Direct Known Subclasses:

JDOQLSymbolResolver, JPQLSymbolResolver

public abstract class AbstractSymbolResolver
extends java.lang.Object
implements SymbolResolver

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

Field Summary

protected java.lang.String	candidateAlias
protected java.lang.Class	candidateClass
protected ClassLoaderResolver	clr
protected MetaDataManager	metaDataManager
protected SymbolTable	symtbl

Constructor Summary

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

Method Summary

java.lang.Class	getPrimaryClass() Accessor for the candidate class of the query.
java.lang.Class	getType(java.util.List tuples)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.datanucleus.query.symbol.SymbolResolver

caseSensitiveSymbolNames, resolveClass, supportsImplicitVariables

Field Detail

metaDataManager

protected MetaDataManager metaDataManager

clr

protected ClassLoaderResolver clr

symtbl

protected SymbolTable symtbl

candidateClass

protected java.lang.Class candidateClass

candidateAlias

protected java.lang.String candidateAlias

Constructor Detail

AbstractSymbolResolver

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

Constructor for symbol resolver.

Parameters:

mmgr - MetaData manager

clr - ClassLoader resolver

symtbl - Symbol table

cls - Candidate class

alias - Candidate alias

Method Detail

getType

public java.lang.Class getType(java.util.List tuples)

Specified by:

getType in interface SymbolResolver

getPrimaryClass

public java.lang.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