EclipseLink Hermes Parser 4.0.2 · org.eclipse.persistence.jpa.jpql.tools.resolver.DeclarationResolver

Modifier and Type	Class and Description
protected class	DeclarationResolver.DeclarationVisitor
protected static class	DeclarationResolver.QualifyRangeDeclarationVisitor
protected class	DeclarationResolver.RootObjectExpressionVisitor This visitor takes care to support a subquery defined as a "root" object.

Modifier and Type	Field and Description
private List<Declaration>	declarations The `Declarations` of the current query that was parsed.
private DeclarationResolver.DeclarationVisitor	declarationVisitor This visitor is responsible to visit the current query's declaration and populate this resolver with the list of declarations.
private DeclarationResolver.QualifyRangeDeclarationVisitor	qualifyRangeDeclarationVisitor This visitor is responsible to convert the abstract schema name into a path expression.
private JPQLQueryContext	queryContext The context used to query information about the query.
private Map<String, Resolver>	resolvers Hides org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver.resolvers. The identification variable names mapped to their resolvers.
private Map<IdentificationVariable, String>	resultVariables The variables identifying the select expressions, if any was defined or an empty set if none were defined.
private DeclarationResolver.RootObjectExpressionVisitor	rootObjectExpressionVisitor This visitor resolves the "root" object represented by the given `Expression`.

Access	Constructor and Description
public	DeclarationResolver(DeclarationResolver The parent resolver if this is used for a subquery or null if it's used for the top-level query parent, JPQLQueryContext The context used to query information about the query queryContext) Creates a new `DeclarationResolver`.

Method Summary

Modifier and Type	Method and Description
protected final void	addDeclaration(Declaration The `Declaration` representing a single variable declaration declaration) Adds the given `Declaration` at the end of the list.
public void	addRangeVariableDeclaration(String The name of the entity to be accessible with the given variable name entityName, String The identification variable used to navigate to the entity variableName) Registers a range variable declaration that will be used when a JPQL fragment is parsed.
protected DeclarationResolver.DeclarationVisitor	buildDeclarationVisitor()
protected DeclarationResolver.RootObjectExpressionVisitor	buildRootObjectExpressionVisitor()
protected IType	buildType() Overrides org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver.buildType. Resolves the `IType` of the property handled by this `Resolver`.
protected ITypeDeclaration	buildTypeDeclaration() Implements abstract org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver.buildTypeDeclaration. Resolves the `ITypeDeclaration` of the property handled by this `Resolver`.
protected void	checkParent(Resolver parent) Overrides org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver.checkParent.
public void	convertUnqualifiedDeclaration(Declaration The `Declaration` that was parsed to range over an abstract schema name but is actually ranging over a path expression declaration, String The identification variable coming from the parent identification variable declaration outerVariableName) Converts the given `Declaration` from being set as a range variable declaration to a path expression declaration.
public void	dispose() Disposes the internal data.
public Declaration	Returns: The `Declaration` containing the information about the identification variable declaration getDeclaration(String The name of the identification variable that is used to navigate a "root" object variableName) Retrieves the `Declaration` for which the given variable name is used to navigate to the "root" object.
public List<Declaration>	Returns: The `Declarations` of the current query that was parsed getDeclarations() Returns the ordered list of `Declarations`.
protected DeclarationResolver.DeclarationVisitor	getDeclarationVisitor()
public DeclarationResolver	getParent() Overrides org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver.getParent. Returns the parent of this `Resolver`.
public IQuery	getQuery() Overrides org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver.getQuery. Returns the external form representing the JPQL query.
protected JPQLQueryContext	Returns: The `JPQLQueryContext` holding onto the JPQL query and the cached information getQueryContext() Returns the `JPQLQueryContext` that is used by this visitor.
public Resolver	Returns: The `Resolver` mapped with the given identification variable getResolver(String The identification variable that maps a `Resolver` variableName) Retrieves the `Resolver` mapped with the given identification variable.
protected Resolver	Returns: The `Resolver` mapped with the given identification variable getResolverImp(String The identification variable that maps a `Resolver` variableName) Retrieves the `Resolver` mapped with the given identification variable.
public Set<String>	Returns: The variables identifying the select expressions, if any was defined or an empty set if none were defined getResultVariables() Returns the variables that got defined in the select expression.
public Map<IdentificationVariable, String>	Returns: The variables identifying the select expressions, if any was defined or an empty map if none were defined getResultVariablesMap() Returns the map of result variables that got used to define a select expression.
protected DeclarationResolver.RootObjectExpressionVisitor	getRootObjectExpressionVisitor()
public boolean	Returns: `true` if the query or subquery being traversed contains JOIN expressions; `false` otherwise hasJoins() Determines whether the JPQL expression has JOIN expressions.
protected void	initialize(JPQLQueryContext The context used to query information about the query queryContext) Initializes this `DeclarationResolver`.
public boolean	Returns: `true` if the given identification variable maps a collection-valued field defined in a `JOIN` or `IN` expression; `false` otherwise isCollectionIdentificationVariable(String The identification variable to check for what it maps variableName) Determines whether the given identification variable is defining a JOIN expression or in a `IN` expressions for a collection-valued field.
protected boolean	Returns: `true` if the given identification variable maps a collection-valued field defined in a `JOIN` or `IN` expression; `false` otherwise isCollectionIdentificationVariableImp(String The identification variable to check for what it maps variableName) Determines whether the given identification variable is defining a JOIN expression or in a `IN` expressions for a collection-valued field.
public boolean	Returns: `true` if the variable name is mapping an abstract schema name; `false` if it's defined in a collection member declaration isRangeIdentificationVariable(String The name of the variable to verify if it's defined in a range variable declaration in the current query or any parent query variableName) Determines whether the given variable name is an identification variable name mapping an entity.
protected boolean	Returns: `true` if the variable name is mapping an abstract schema name; `false` if it's defined in a collection member declaration isRangeIdentificationVariableImp(String The name of the variable to verify if it's defined in a range variable declaration in the current query or any parent query variableName) Determines whether the given variable name is an identification variable name mapping an entity.
public boolean	Returns: `true` if the given variable is defined as a result variable; `false` otherwise isResultVariable(String The variable to check if it's a result variable variable) Determines if the given variable is a result variable.
public void	populate(Expression The `Expression` to visit in order to retrieve the information contained in the given query's declaration expression) Visits the current query (which is either the top-level query or a subquery) and gathers the information from the declaration clause.
protected DeclarationResolver.QualifyRangeDeclarationVisitor	qualifyRangeDeclarationVisitor()
protected Resolver	Returns: The `Resolver` for the given `Expression` resolveRootObject(Expression The `Expression` to visit, which represents the "root" object of a declaration expression) Resolves the "root" object represented by the given `Expression`.
protected String	visitDeclaration(Expression expression, Expression identificationVariable)

Inherited from org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver:: addChild getChild getManagedType getMapping getParentManagedType getParentMapping getParentType getParentTypeDeclaration getProvider getType getType getType getTypeDeclaration getTypeHelper getTypeRepository isNullAllowed setNullAllowed

public Class DeclarationResolver

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