com.querydsl.sql

Class SQLSerializer

java.lang.Object

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

com.querydsl.sql.SQLSerializer

All Implemented Interfaces:

Visitor<Void,Void>

Direct Known Subclasses:

NativeSQLSerializer

public class SQLSerializer
extends SerializerBase<SQLSerializer>

SqlSerializer serializes SQL clauses into SQL

Author:

tiwe

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	SQLSerializer.Stage

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	COMMA
protected Configuration	configuration
protected LinkedList<Path<?>>	constantPaths
protected List<Object>	constants
protected boolean	dml
protected boolean	dmlWithSchema
protected RelationalPath<?>	entity
protected boolean	inJoin
protected boolean	inSubquery
protected boolean	inUnion
protected static Expression<?>	Q
protected boolean	skipParent
protected SQLSerializer.Stage	stage
protected SQLTemplates	templates
protected boolean	useLiterals
protected Set<Path<?>>	withAliases

Constructor Summary

Constructors

Constructor and Description
SQLSerializer(Configuration conf)
SQLSerializer(Configuration conf, boolean dml)

Method Summary

Modifier and Type	Method and Description
protected void	appendAsColumnName(Path<?> path, boolean precededByDot)
protected void	appendSchemaName(String schema)
protected void	appendTableName(String table, boolean precededByDot)
List<Path<?>>	getConstantPaths()
List<Object>	getConstants()
protected List<Expression<?>>	getIdentifierColumns(List<JoinExpression> joins, boolean alias) Return a list of expressions that can be used to uniquely define the query sources
protected SchemaAndTable	getSchemaAndTable(RelationalPath<?> path)
protected SQLTemplates	getTemplates()
void	handle(String template, Object... args)
protected void	handleJoinTarget(JoinExpression je)
protected void	handleOrderBy(List<OrderSpecifier<?>> orderBy)
SQLSerializer	handleSelect(String sep, List<? extends Expression<?>> expressions)
void	serialize(QueryMetadata metadata, boolean forCountRow)
void	serializeDelete(QueryMetadata metadata, RelationalPath<?> entity)
protected void	serializeForDelete(QueryMetadata metadata, RelationalPath<?> entity)
protected void	serializeForInsert(QueryMetadata metadata, RelationalPath<?> entity, List<Path<?>> columns, List<Expression<?>> values, SubQueryExpression<?> subQuery)
protected void	serializeForInsert(QueryMetadata metadata, RelationalPath<?> entity, List<SQLInsertBatch> batches)
protected void	serializeForMerge(QueryMetadata metadata, RelationalPath<?> entity, List<Path<?>> keys, List<Path<?>> columns, List<Expression<?>> values, SubQueryExpression<?> subQuery)
protected void	serializeForQuery(QueryMetadata metadata, boolean forCountRow)
protected void	serializeForUpdate(QueryMetadata metadata, RelationalPath<?> entity, Map<Path<?>,Expression<?>> updates)
protected void	serializeForWhere(QueryMetadata metadata)
void	serializeInsert(QueryMetadata metadata, RelationalPath<?> entity, List<Path<?>> columns, List<Expression<?>> values, SubQueryExpression<?> subQuery)
void	serializeInsert(QueryMetadata metadata, RelationalPath<?> entity, List<SQLInsertBatch> batches)
void	serializeMerge(QueryMetadata metadata, RelationalPath<?> entity, List<Path<?>> keys, List<Path<?>> columns, List<Expression<?>> values, SubQueryExpression<?> subQuery)
protected void	serializeSources(List<JoinExpression> joins)
void	serializeUnion(Expression<?> union, QueryMetadata metadata, boolean unionAll)
void	serializeUpdate(QueryMetadata metadata, RelationalPath<?> entity, Map<Path<?>,Expression<?>> updates)
protected void	setDmlWithSchema(boolean b)
protected void	setSkipParent(boolean b)
void	setUseLiterals(boolean useLiterals)
Void	visit(ParamExpression<?> param, Void context) Visit a ParamExpression instance with the given context
Void	visit(Path<?> path, 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	visit(TemplateExpression<?> expr, Void context) Visit a TemplateExpression instance with the given context
void	visitConstant(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

Methods inherited from class java.lang.Object

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

Field Detail

Q

protected static final Expression<?> Q

COMMA

protected static final String COMMA

See Also:

Constant Field Values

constantPaths

protected final LinkedList<Path<?>> constantPaths

constants

protected final List<Object> constants

withAliases

protected final Set<Path<?>> withAliases

dml

protected final boolean dml

stage

protected SQLSerializer.Stage stage

skipParent

protected boolean skipParent

dmlWithSchema

protected boolean dmlWithSchema

entity

protected RelationalPath<?> entity

configuration

protected final Configuration configuration

templates

protected final SQLTemplates templates

inUnion

protected boolean inUnion

inJoin

protected boolean inJoin

inSubquery

protected boolean inSubquery

useLiterals

protected boolean useLiterals

Constructor Detail

SQLSerializer

public SQLSerializer(Configuration conf)

SQLSerializer

public SQLSerializer(Configuration conf,
                     boolean dml)

Method Detail

appendAsColumnName

protected void appendAsColumnName(Path<?> path,
                                  boolean precededByDot)

getSchemaAndTable

protected SchemaAndTable getSchemaAndTable(RelationalPath<?> path)

appendSchemaName

protected void appendSchemaName(String schema)

appendTableName

protected void appendTableName(String table,
                               boolean precededByDot)

getConstants

public List<Object> getConstants()

getConstantPaths

public List<Path<?>> getConstantPaths()

getIdentifierColumns

protected List<Expression<?>> getIdentifierColumns(List<JoinExpression> joins,
                                                   boolean alias)

Return a list of expressions that can be used to uniquely define the query sources

Parameters:

joins -

Returns:

identifier columns

getTemplates

protected SQLTemplates getTemplates()

handle

public void handle(String template,
                   Object... args)

handleSelect

public final SQLSerializer handleSelect(String sep,
                                        List<? extends Expression<?>> expressions)

handleJoinTarget

protected void handleJoinTarget(JoinExpression je)

serialize

public void serialize(QueryMetadata metadata,
                      boolean forCountRow)

serializeForQuery

protected void serializeForQuery(QueryMetadata metadata,
                                 boolean forCountRow)

handleOrderBy

protected void handleOrderBy(List<OrderSpecifier<?>> orderBy)

serializeDelete

public void serializeDelete(QueryMetadata metadata,
                            RelationalPath<?> entity)

serializeForDelete

protected void serializeForDelete(QueryMetadata metadata,
                                  RelationalPath<?> entity)

serializeForWhere

protected void serializeForWhere(QueryMetadata metadata)

serializeMerge

public void serializeMerge(QueryMetadata metadata,
                           RelationalPath<?> entity,
                           List<Path<?>> keys,
                           List<Path<?>> columns,
                           List<Expression<?>> values,
                           @Nullable
                           SubQueryExpression<?> subQuery)

serializeForMerge

protected void serializeForMerge(QueryMetadata metadata,
                                 RelationalPath<?> entity,
                                 List<Path<?>> keys,
                                 List<Path<?>> columns,
                                 List<Expression<?>> values,
                                 @Nullable
                                 SubQueryExpression<?> subQuery)

serializeInsert

public void serializeInsert(QueryMetadata metadata,
                            RelationalPath<?> entity,
                            List<Path<?>> columns,
                            List<Expression<?>> values,
                            @Nullable
                            SubQueryExpression<?> subQuery)

serializeInsert

public void serializeInsert(QueryMetadata metadata,
                            RelationalPath<?> entity,
                            List<SQLInsertBatch> batches)

serializeForInsert

protected void serializeForInsert(QueryMetadata metadata,
                                  RelationalPath<?> entity,
                                  List<SQLInsertBatch> batches)

serializeForInsert

protected void serializeForInsert(QueryMetadata metadata,
                                  RelationalPath<?> entity,
                                  List<Path<?>> columns,
                                  List<Expression<?>> values,
                                  @Nullable
                                  SubQueryExpression<?> subQuery)

serializeUpdate

public void serializeUpdate(QueryMetadata metadata,
                            RelationalPath<?> entity,
                            Map<Path<?>,Expression<?>> updates)

serializeForUpdate

protected void serializeForUpdate(QueryMetadata metadata,
                                  RelationalPath<?> entity,
                                  Map<Path<?>,Expression<?>> updates)

serializeSources

protected void serializeSources(List<JoinExpression> joins)

serializeUnion

public void serializeUnion(Expression<?> union,
                           QueryMetadata metadata,
                           boolean unionAll)

visitConstant

public void visitConstant(Object constant)

Overrides:

visitConstant in class SerializerBase<SQLSerializer>

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<SQLSerializer>

Parameters:

param - expression to visit

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

Returns:

visit result

visit

public Void visit(Path<?> path,
                  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<SQLSerializer>

Parameters:

path - 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(TemplateExpression<?> expr,
                  Void context)

Description copied from interface: Visitor

Visit a TemplateExpression instance with the given context

Specified by:

visit in interface Visitor<Void,Void>

Overrides:

visit in class SerializerBase<SQLSerializer>

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<SQLSerializer>

setUseLiterals

public void setUseLiterals(boolean useLiterals)

setSkipParent

protected void setSkipParent(boolean b)

setDmlWithSchema

protected void setDmlWithSchema(boolean b)