com.querydsl.jpa

Class JPQLSerializer

java.lang.Object

com.querydsl.core.support.SerializerBase<JPQLSerializer>

com.querydsl.jpa.JPQLSerializer

All Implemented Interfaces:

Visitor<Void,Void>

public class JPQLSerializer
extends SerializerBase<JPQLSerializer>

JPQLSerializer serializes Querydsl expressions into JPQL syntax.

Author:

tiwe

Constructor Summary

Constructors

Constructor and Description
JPQLSerializer(JPQLTemplates templates)
JPQLSerializer(JPQLTemplates templates, javax.persistence.EntityManager em)

Method Summary

Modifier and Type	Method and Description
void	serialize(QueryMetadata metadata, boolean forCountRow, String projection)
void	serializeForDelete(QueryMetadata md)
void	serializeForUpdate(QueryMetadata md, Map<Path<?>,Expression<?>> updates)
Void	visit(ParamExpression<?> param, Void context) Visit a ParamExpression instance with the given context
Void	visit(Path<?> expr, Void context) Visit a Path instance with the given context
Void	visit(SubQueryExpression<?> query, Void context) Visit a SubQueryExpression instance with the given context
void	visitConstant(Object constant)
void	visitLiteral(Object constant)
protected void	visitOperation(Class<?> type, Operator operator, List<? extends Expression<?>> args)

Methods inherited from class com.querydsl.core.support.SerializerBase

append, getConstantPrefix, getConstantToLabel, getLength, getTemplate, handle, handle, handle, handle, handle, handleTemplate, insert, prepend, serialize, serialize, setAnonParamPrefix, setConstantPrefix, setNormalize, setParamPrefix, setStrict, toString, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

JPQLSerializer

public JPQLSerializer(JPQLTemplates templates)

JPQLSerializer

public JPQLSerializer(JPQLTemplates templates,
                      javax.persistence.EntityManager em)

Method Detail

serialize

public void serialize(QueryMetadata metadata,
                      boolean forCountRow,
                      @Nullable
                      String projection)

serializeForDelete

public void serializeForDelete(QueryMetadata md)

serializeForUpdate

public void serializeForUpdate(QueryMetadata md,
                               Map<Path<?>,Expression<?>> updates)

visitConstant

public void visitConstant(Object constant)

Overrides:

visitConstant in class SerializerBase<JPQLSerializer>

visitLiteral

public void visitLiteral(Object constant)

visit

public Void visit(ParamExpression<?> param,
                  Void context)

Description copied from interface: Visitor

Visit a ParamExpression instance with the given context

Specified by:

visit in interface Visitor<Void,Void>

Overrides:

visit in class SerializerBase<JPQLSerializer>

Parameters:

param - expression to visit

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

Returns:

visit result

visit

public Void visit(SubQueryExpression<?> query,
                  Void context)

Description copied from interface: Visitor

Visit a SubQueryExpression instance with the given context

Parameters:

query - expression to visit

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

Returns:

visit result

visit

public Void visit(Path<?> expr,
                  Void context)

Description copied from interface: Visitor

Visit a Path instance with the given context

Specified by:

visit in interface Visitor<Void,Void>

Overrides:

visit in class SerializerBase<JPQLSerializer>

Parameters:

expr - expression to visit

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

Returns:

visit result

visitOperation

protected void visitOperation(Class<?> type,
                              Operator operator,
                              List<? extends Expression<?>> args)

Overrides:

visitOperation in class SerializerBase<JPQLSerializer>