com.querydsl.sql

Class RelationalPathExtractor

java.lang.Object

com.querydsl.sql.RelationalPathExtractor

All Implemented Interfaces:

Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>

public final class RelationalPathExtractor
extends java.lang.Object
implements Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>

RelationalPathExtractor extracts RelationalPath instances from expressions and queries

Author:

tiwe

Field Summary

Fields

Modifier and Type	Field and Description
static RelationalPathExtractor	DEFAULT

Method Summary

Modifier and Type	Method and Description
static java.util.Set<RelationalPath<?>>	extract(Expression<?> expr)
static java.util.Set<RelationalPath<?>>	extract(QueryMetadata md)
java.util.Set<RelationalPath<?>>	visit(Constant<?> expr, java.util.Set<RelationalPath<?>> known)
java.util.Set<RelationalPath<?>>	visit(FactoryExpression<?> expr, java.util.Set<RelationalPath<?>> known)
java.util.Set<RelationalPath<?>>	visit(Operation<?> expr, java.util.Set<RelationalPath<?>> known)
java.util.Set<RelationalPath<?>>	visit(ParamExpression<?> expr, java.util.Set<RelationalPath<?>> known)
java.util.Set<RelationalPath<?>>	visit(Path<?> expr, java.util.Set<RelationalPath<?>> known)
java.util.Set<RelationalPath<?>>	visit(SubQueryExpression<?> expr, java.util.Set<RelationalPath<?>> known)
java.util.Set<RelationalPath<?>>	visit(TemplateExpression<?> expr, java.util.Set<RelationalPath<?>> known)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT

public static final RelationalPathExtractor DEFAULT

Method Detail

extract

public static java.util.Set<RelationalPath<?>> extract(QueryMetadata md)

extract

public static java.util.Set<RelationalPath<?>> extract(Expression<?> expr)

visit

public java.util.Set<RelationalPath<?>> visit(Constant<?> expr,
                                              java.util.Set<RelationalPath<?>> known)

Specified by:

visit in interface Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>

visit

public java.util.Set<RelationalPath<?>> visit(FactoryExpression<?> expr,
                                              java.util.Set<RelationalPath<?>> known)

Specified by:

visit in interface Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>

visit

public java.util.Set<RelationalPath<?>> visit(Operation<?> expr,
                                              java.util.Set<RelationalPath<?>> known)

Specified by:

visit in interface Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>

visit

public java.util.Set<RelationalPath<?>> visit(ParamExpression<?> expr,
                                              java.util.Set<RelationalPath<?>> known)

Specified by:

visit in interface Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>

visit

public java.util.Set<RelationalPath<?>> visit(Path<?> expr,
                                              java.util.Set<RelationalPath<?>> known)

Specified by:

visit in interface Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>

visit

public java.util.Set<RelationalPath<?>> visit(SubQueryExpression<?> expr,
                                              java.util.Set<RelationalPath<?>> known)

Specified by:

visit in interface Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>

visit

public java.util.Set<RelationalPath<?>> visit(TemplateExpression<?> expr,
                                              java.util.Set<RelationalPath<?>> known)

Specified by:

visit in interface Visitor<java.util.Set<RelationalPath<?>>,java.util.Set<RelationalPath<?>>>