EclipseLink 2.4.2, build 'v20130514-5956486' API Reference

org.eclipse.persistence.jpa.jpql.parser
Class AbstractLiteralExpressionFactory

java.lang.Object
  extended by org.eclipse.persistence.jpa.jpql.parser.ExpressionFactory
      extended by org.eclipse.persistence.jpa.jpql.parser.AbstractLiteralExpressionFactory
All Implemented Interfaces:
java.lang.Comparable<ExpressionFactory>
Direct Known Subclasses:
CollectionValuedPathExpressionFactory, EntityTypeLiteralFactory, JoinCollectionValuedPathExpressionFactory, LiteralExpressionFactory, StateFieldPathExpressionFactory

public abstract class AbstractLiteralExpressionFactory
extends ExpressionFactory

This factory is responsible to return the right literal expression.

Version:
2.4.2
See Also:
StringLiteral, InputParameter, NumericLiteral, KeywordExpression, StateFieldPathExpression, IdentificationVariable
Author:
Pascal Filion
Since:
2.3

Constructor Summary
protected AbstractLiteralExpressionFactory(java.lang.String id)
          Creates a new AbstractLiteralExpressionFactory.
 
Method Summary
protected abstract  AbstractExpression buildExpression(AbstractExpression parent, WordParser wordParser, java.lang.String word, AbstractExpression expression, boolean tolerant)
          Creates the actual AbstractExpression this factory manages.
protected  AbstractExpression buildExpression(AbstractExpression parent, WordParser wordParser, java.lang.String word, JPQLQueryBNF queryBNF, AbstractExpression expression, boolean tolerant)
          Creates a new Expression.
protected  boolean isCollection()
          Determines
 
Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.ExpressionFactory
compareTo, equals, getExpressionRegistry, getFallBackExpressionFactoryId, getId, hashCode, identifiers, setFallBackExpressionFactory, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

AbstractLiteralExpressionFactory

protected AbstractLiteralExpressionFactory(java.lang.String id)
Creates a new AbstractLiteralExpressionFactory.

Parameters:
id - The unique identifier of this ExpressionFactory
Method Detail

buildExpression

protected abstract AbstractExpression buildExpression(AbstractExpression parent,
                                                      WordParser wordParser,
                                                      java.lang.String word,
                                                      AbstractExpression expression,
                                                      boolean tolerant)
Creates the actual AbstractExpression this factory manages.

Parameters:
parent - The parent AbstractExpression
wordParser - The text to parse based on the current position of the cursor
word - The current word being parsed
expression - During the parsing, it is possible the first part of an expression was parsed which needs to be used as a sub-expression of the newly created expression
Returns:
A new AbstractExpression representing the portion or the totality of the text held by WordParser starting at the cursor position

buildExpression

protected AbstractExpression buildExpression(AbstractExpression parent,
                                             WordParser wordParser,
                                             java.lang.String word,
                                             JPQLQueryBNF queryBNF,
                                             AbstractExpression expression,
                                             boolean tolerant)
Creates a new Expression.

Specified by:
buildExpression in class ExpressionFactory
Parameters:
parent - The parent expression
wordParser - The text to parse based on the current position of the cursor
word - The current word to parse
queryBNF - The BNF grammar that was used to identifier this factory to be capable to parse a portion of the query
expression - During the parsing, it is possible the first part of an expression was parsed which needs to be used as a sub-expression of the newly created expression
Returns:
A new Expression representing a portion or the totality of the given text

isCollection

protected boolean isCollection()
Determines

Returns:

EclipseLink 2.4.2, build 'v20130514-5956486' API Reference