Class AbstractLiteralExpressionFactory
- java.lang.Object
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- org.eclipse.persistence.jpa.jpql.parser.ExpressionFactory
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- org.eclipse.persistence.jpa.jpql.parser.AbstractLiteralExpressionFactory
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- 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:
- 2.5
- See Also:
StringLiteral,InputParameter,NumericLiteral,KeywordExpression,StateFieldPathExpression,IdentificationVariable- Author:
- Pascal Filion
- Since:
- 2.3
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Constructor Summary
Constructors Modifier Constructor Description protectedAbstractLiteralExpressionFactory(java.lang.String id)Creates a newAbstractLiteralExpressionFactory.
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description protected abstract AbstractExpressionbuildExpression(AbstractExpression parent, WordParser wordParser, java.lang.String word, AbstractExpression expression, boolean tolerant)Creates the actualAbstractExpressionthis factory manages.protected AbstractExpressionbuildExpression(AbstractExpression parent, WordParser wordParser, java.lang.String word, JPQLQueryBNF queryBNF, AbstractExpression expression, boolean tolerant)Creates a newExpression.protected booleanisCollection()Determines-
Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.ExpressionFactory
compareTo, equals, getExpressionRegistry, getId, hashCode, identifiers, toString
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Constructor Detail
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AbstractLiteralExpressionFactory
protected AbstractLiteralExpressionFactory(java.lang.String id)
Creates a newAbstractLiteralExpressionFactory.- Parameters:
id- The unique identifier of thisExpressionFactory
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Method Detail
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buildExpression
protected abstract AbstractExpression buildExpression(AbstractExpression parent, WordParser wordParser, java.lang.String word, AbstractExpression expression, boolean tolerant)
Creates the actualAbstractExpressionthis factory manages.- Parameters:
parent- The parentAbstractExpressionwordParser- The text to parse based on the current position of the cursorword- The current word being parsedexpression- 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
AbstractExpressionrepresenting the portion or the totality of the text held byWordParserstarting at the cursor position
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buildExpression
protected AbstractExpression buildExpression(AbstractExpression parent, WordParser wordParser, java.lang.String word, JPQLQueryBNF queryBNF, AbstractExpression expression, boolean tolerant)
Creates a newExpression.- Specified by:
buildExpressionin classExpressionFactory- Parameters:
parent- The parentAbstractExpressionwordParser- The text to parse based on the current position of the cursorword- The current word being parsedqueryBNF- The BNF grammar that was used to identifier this factory to be capable to parse a portion of the queryexpression- 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
AbstractExpressionrepresenting the portion or the totality of the text held byWordParserstarting at the cursor position
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isCollection
protected boolean isCollection()
Determines- Returns:
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