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java.lang.Objectorg.eclipse.persistence.jpa.jpql.parser.AbstractExpression
org.eclipse.persistence.jpa.jpql.parser.AbstractPathExpression
org.eclipse.persistence.jpa.jpql.parser.StateFieldPathExpression
public final class StateFieldPathExpression
A single_valued_association_field is designated by the name of an association-field
in a one-to-one or many-to-one relationship. The type of a single_valued_association_field
and thus a single_valued_association_path_expression is the abstract schema type of
the related entity. A collection_valued_association_field is designated by the name
of an association-field in a one-to-many or a many-to-many relationship. The type of a
collection_valued_association_field is a collection of values of the abstract schema
type of the related entity. An embedded_class_state_field is designated by the name
of an entity-state field that corresponds to an embedded class. Navigation to a related entity
results in a value of the related entity's abstract schema type.
state_field_path_expression ::= {identification_variable | single_valued_association_path_expression}.state_field
single_valued_association_path_expression ::= identification_variable.{single_valued_association_field.}*single_valued_association_field
| Field Summary |
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| Fields inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractExpression |
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COMMA, DOT, DOUBLE_QUOTE, LEFT_CURLY_BRACKET, LEFT_PARENTHESIS, NOT_DEFINED, RIGHT_CURLY_BRACKET, RIGHT_PARENTHESIS, SINGLE_QUOTE, SPACE, UNDERSCORE |
| Constructor Summary | |
|---|---|
StateFieldPathExpression(AbstractExpression parent,
AbstractExpression expression)
Creates a new StateFieldPathExpression. |
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StateFieldPathExpression(AbstractExpression parent,
AbstractExpression expression,
java.lang.String paths)
Creates a new StateFieldPathExpression. |
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StateFieldPathExpression(AbstractExpression parent,
java.lang.String paths)
Creates a new StateFieldPathExpression. |
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| Method Summary | |
|---|---|
void |
accept(ExpressionVisitor visitor)
Visits this Expression by the given visitor. |
JPQLQueryBNF |
getQueryBNF()
Returns the BNF of this Expression. |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractPathExpression |
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acceptChildren, addChildrenTo, addOrderedChildrenTo, endsWithDot, findQueryBNF, getIdentificationVariable, getPath, hasIdentificationVariable, hasVirtualIdentificationVariable, parse, paths, pathSize, setVirtualIdentificationVariable, startsWithDot, toParsedText, toParsedText |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public StateFieldPathExpression(AbstractExpression parent, AbstractExpression expression)
StateFieldPathExpression.
parent - The parent of this expressionexpression - The identification variable that was already parsed, which means the
beginning of the parsing should start with a dotpublic StateFieldPathExpression(AbstractExpression parent, java.lang.String paths)
StateFieldPathExpression.
parent - The parent of this expressionpaths - The path expression that is following the identification variablepublic StateFieldPathExpression(AbstractExpression parent, AbstractExpression expression, java.lang.String paths)
StateFieldPathExpression.
parent - The parent of this expressionexpression - The identification variable that was already parsed, which means the
beginning of the parsing should start with a dotpaths - The path expression that is following the identification variable| Method Detail |
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public void accept(ExpressionVisitor visitor)
Expression by the given visitor.
visitor - The ExpressionVisitor to visit this objectpublic JPQLQueryBNF getQueryBNF()
Expression.
JPQLQueryBNF, which represents the grammar of this Expression
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