Package com.querydsl.core.types

Class ValidatingVisitor

java.lang.Object

com.querydsl.core.types.ValidatingVisitor

All Implemented Interfaces:

Visitor<Set<Expression<?>>,Set<Expression<?>>>, Serializable

public final class ValidatingVisitor
extends Object
implements Visitor<Set<Expression<?>>,Set<Expression<?>>>, Serializable

ValidatingVisitor visits expressions and ensures that only known path instances are used

Author:

tiwe

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final ValidatingVisitor	DEFAULT

Constructor Summary

Constructors

Constructor	Description
ValidatingVisitor()
ValidatingVisitor(String errorTemplate)

Method Summary

Modifier and Type	Method	Description
Set<Expression<?>>	visit(Constant<?> expr, Set<Expression<?>> known)	Visit a Constant instance with the given context
Set<Expression<?>>	visit(FactoryExpression<?> expr, Set<Expression<?>> known)	Visit a FactoryExpression instance with the given context
Set<Expression<?>>	visit(Operation<?> expr, Set<Expression<?>> known)	Visit an Operation instance with the given context
Set<Expression<?>>	visit(ParamExpression<?> expr, Set<Expression<?>> known)	Visit a ParamExpression instance with the given context
Set<Expression<?>>	visit(Path<?> expr, Set<Expression<?>> known)	Visit a Path instance with the given context
Set<Expression<?>>	visit(SubQueryExpression<?> expr, Set<Expression<?>> known)	Visit a SubQueryExpression instance with the given context
Set<Expression<?>>	visit(TemplateExpression<?> expr, Set<Expression<?>> known)	Visit a TemplateExpression instance with the given context

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT

public static final ValidatingVisitor DEFAULT

Constructor Details

ValidatingVisitor

public ValidatingVisitor()

ValidatingVisitor

public ValidatingVisitor(String errorTemplate)

Method Details

visit

public Set<Expression<?>> visit(Constant<?> expr,
 Set<Expression<?>> known)

Description copied from interface: Visitor

Visit a Constant instance with the given context

Specified by:

visit in interface Visitor<Set<Expression<?>>,Set<Expression<?>>>

Parameters:

expr - expression to visit

known - context of the visit or null, if not used

Returns:

visit result

visit

public Set<Expression<?>> visit(FactoryExpression<?> expr,
 Set<Expression<?>> known)

Description copied from interface: Visitor

Visit a FactoryExpression instance with the given context

Specified by:

visit in interface Visitor<Set<Expression<?>>,Set<Expression<?>>>

Parameters:

expr - expression to visit

known - context of the visit or null, if not used

Returns:

visit result

visit

public Set<Expression<?>> visit(Operation<?> expr,
 Set<Expression<?>> known)

Description copied from interface: Visitor

Visit an Operation instance with the given context

Specified by:

visit in interface Visitor<Set<Expression<?>>,Set<Expression<?>>>

Parameters:

expr - expression to visit

known - context of the visit or null, if not used

Returns:

visit result

visit

public Set<Expression<?>> visit(ParamExpression<?> expr,
 Set<Expression<?>> known)

Description copied from interface: Visitor

Visit a ParamExpression instance with the given context

Specified by:

visit in interface Visitor<Set<Expression<?>>,Set<Expression<?>>>

Parameters:

expr - expression to visit

known - context of the visit or null, if not used

Returns:

visit result

visit

public Set<Expression<?>> visit(Path<?> expr,
 Set<Expression<?>> known)

Description copied from interface: Visitor

Visit a Path instance with the given context

Specified by:

visit in interface Visitor<Set<Expression<?>>,Set<Expression<?>>>

Parameters:

expr - expression to visit

known - context of the visit or null, if not used

Returns:

visit result

visit

public Set<Expression<?>> visit(SubQueryExpression<?> expr,
 Set<Expression<?>> known)

Description copied from interface: Visitor

Visit a SubQueryExpression instance with the given context

Specified by:

visit in interface Visitor<Set<Expression<?>>,Set<Expression<?>>>

Parameters:

expr - expression to visit

known - context of the visit or null, if not used

Returns:

visit result

visit

public Set<Expression<?>> visit(TemplateExpression<?> expr,
 Set<Expression<?>> known)

Description copied from interface: Visitor

Visit a TemplateExpression instance with the given context

Specified by:

visit in interface Visitor<Set<Expression<?>>,Set<Expression<?>>>

Parameters:

expr - expression to visit

known - context of the visit or null, if not used

Returns:

visit result