Package com.querydsl.core.support

Class ReplaceVisitor<C>

java.lang.Object

com.querydsl.core.support.ReplaceVisitor<C>

Type Parameters:

C - context type

All Implemented Interfaces:

Visitor<Expression<?>,C>

public class ReplaceVisitor<C>
extends Object
implements Visitor<Expression<?>,C>

ReplaceVisitor is a deep visitor that can be customized to replace segments of expression trees

Constructor Summary

Constructors

Constructor	Description
ReplaceVisitor()

Method Summary

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

Constructor Details

ReplaceVisitor

public ReplaceVisitor()

Method Details

visit

public Expression<?> visit(Constant<?> expr,
 C context)

Description copied from interface: Visitor

Visit a Constant instance with the given context

Specified by:

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

Parameters:

expr - expression to visit

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

Returns:

visit result

visit

public Expression<?> visit(FactoryExpression<?> expr,
 C context)

Description copied from interface: Visitor

Visit a FactoryExpression instance with the given context

Specified by:

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

Parameters:

expr - expression to visit

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

Returns:

visit result

visit

public Expression<?> visit(Operation<?> expr,
 C context)

Description copied from interface: Visitor

Visit an Operation instance with the given context

Specified by:

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

Parameters:

expr - expression to visit

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

Returns:

visit result

visit

public Expression<?> visit(ParamExpression<?> expr,
 C context)

Description copied from interface: Visitor

Visit a ParamExpression instance with the given context

Specified by:

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

Parameters:

expr - expression to visit

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

Returns:

visit result

visit

public Expression<?> visit(Path<?> expr,
 C context)

Description copied from interface: Visitor

Visit a Path instance with the given context

Specified by:

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

Parameters:

expr - expression to visit

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

Returns:

visit result

visit

public Expression<?> visit(SubQueryExpression<?> expr,
 C context)

Description copied from interface: Visitor

Visit a SubQueryExpression instance with the given context

Specified by:

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

Parameters:

expr - expression to visit

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

Returns:

visit result

visit

public Expression<?> visit(TemplateExpression<?> expr,
 C context)

Description copied from interface: Visitor

Visit a TemplateExpression instance with the given context

Specified by:

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

Parameters:

expr - expression to visit

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

Returns:

visit result