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java.lang.Objectorg.eclipse.persistence.jpa.jpql.parser.AbstractExpressionVisitor
org.eclipse.persistence.jpa.jpql.AbstractContentAssistVisitor.EnumVisitor
protected class AbstractContentAssistVisitor.EnumVisitor
This visitor determines whether a path expression can be resolved as a fully qualified enum type and an enum constant.
The valid locations are:
CollectionMemberExpression : entity_or_value_expression (before MEMBER identifier);InExpression : One of the items;CaseExpression : The ELSE expression;WhenClause : The WHEN or THEN expressions;FunctionExpression : One of the function items;ComparisonExpression : The left or right expression if the comparison identifier
is either = or <>;UpdateItem : The new value;ConstructorExpression : One of the constructor items;CoalesceExpression : The expression at index 1 or greater;NullIfExpression : The second expression;
| Field Summary | |
|---|---|
protected AbstractPathExpression |
pathExpression
The AbstractPathExpression being scanned for its location within the JPQL query. |
protected boolean |
valid
Determines whether the path expression could potentially represent a fully qualified enum constant, which is dictated by the location of the path expression within the query. |
| Constructor Summary | |
|---|---|
protected |
AbstractContentAssistVisitor.EnumVisitor()
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| Method Summary | |
|---|---|
void |
dispose()
Disposes of the internal data. |
boolean |
isValid()
Determines whether the path expression could potentially represent a fully qualified enum constant, which is dictated by the location of the path expression within the query. |
void |
visit(CaseExpression expression)
Visits the CaseExpression expression. |
void |
visit(CoalesceExpression expression)
Visits the CoalesceExpression expression. |
void |
visit(CollectionMemberExpression expression)
Visits the CollectionMemberExpression expression. |
void |
visit(CollectionValuedPathExpression expression)
Visits the CollectionValuedPathExpression expression. |
void |
visit(ComparisonExpression expression)
Visits the ComparisonExpression expression. |
void |
visit(ConstructorExpression expression)
Visits the ConstructorExpression expression. |
void |
visit(FunctionExpression expression)
Visits the FunctionExpression expression. |
void |
visit(InExpression expression)
Visits the InExpression expression. |
void |
visit(NullIfExpression expression)
Visits the NullIfExpression expression. |
void |
visit(StateFieldPathExpression expression)
Visits the StateFieldPathExpression expression. |
void |
visit(UpdateItem expression)
Visits the UpdateItem expression. |
void |
visit(WhenClause expression)
Visits the WhenClause expression. |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractExpressionVisitor |
|---|
visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected AbstractPathExpression pathExpression
AbstractPathExpression being scanned for its location within the JPQL query.
protected boolean valid
| Constructor Detail |
|---|
protected AbstractContentAssistVisitor.EnumVisitor()
| Method Detail |
|---|
public void dispose()
public boolean isValid()
true if the path expression represents a enum constant;
false otherwisepublic void visit(CaseExpression expression)
CaseExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(CoalesceExpression expression)
CoalesceExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(CollectionMemberExpression expression)
CollectionMemberExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(CollectionValuedPathExpression expression)
CollectionValuedPathExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(ComparisonExpression expression)
ComparisonExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(ConstructorExpression expression)
ConstructorExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(FunctionExpression expression)
FunctionExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(InExpression expression)
InExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(NullIfExpression expression)
NullIfExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(StateFieldPathExpression expression)
StateFieldPathExpression expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The Expression to visitpublic void visit(UpdateItem expression)
UpdateItem expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The UpdateItem to visitpublic void visit(WhenClause expression)
WhenClause expression.
visit in interface ExpressionVisitorvisit in class AbstractExpressionVisitorexpression - The WhenClause to visit
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