Package com.querydsl.sql.dml

Class AbstractSQLUpdateClause<C extends AbstractSQLUpdateClause<C>>

java.lang.Object

com.querydsl.sql.dml.AbstractSQLClause<C>

com.querydsl.sql.dml.AbstractSQLUpdateClause<C>

Type Parameters:

C - The type extending this class.

All Implemented Interfaces:

DMLClause<C>, StoreClause<C>, UpdateClause<C>, FilteredClause<C>

Direct Known Subclasses:

SQLUpdateClause

public abstract class AbstractSQLUpdateClause<C extends AbstractSQLUpdateClause<C>>
extends AbstractSQLClause<C>
implements UpdateClause<C>

Provides a base class for dialect-specific UPDATE clauses.

Author:

tiwe

Field Summary

Fields

Modifier and Type	Field	Description
protected final List<SQLUpdateBatch>	batches
protected List<Object>	constants
protected final RelationalPath<?>	entity
protected static final Logger	logger
protected QueryMetadata	metadata
protected String	queryString
protected Map<Path<?>,Expression<?>>	updates

Fields inherited from class com.querydsl.sql.dml.AbstractSQLClause

configuration, context, listeners, useLiterals

Constructor Summary

Constructors

Constructor	Description
AbstractSQLUpdateClause(Connection connection, Configuration configuration, RelationalPath<?> entity)
AbstractSQLUpdateClause(Supplier<Connection> connection, Configuration configuration, RelationalPath<?> entity)

Method Summary

Modifier and Type	Method	Description
C	addBatch()	Add the current state of bindings as a batch item
C	addFlag(QueryFlag.Position position, Expression<?> flag)	Add the given Expression at the given position as a query flag
C	addFlag(QueryFlag.Position position, String flag)	Add the given String literal at the given position as a query flag
void	clear()	Clear the internal state of the clause
protected PreparedStatement	createStatement()
protected Collection<PreparedStatement>	createStatements()
long	execute()
int	getBatchCount()
List<SQLBindings>	getSQL()	Get the SQL string and bindings
boolean	isEmpty()
C	limit(@org.jetbrains.annotations.Range(from=0L, to=2147483647L) long limit)
C	populate(Object bean)	Populate the UPDATE clause with the properties of the given bean.
<T> C	populate(T obj, Mapper<T> mapper)	Populate the UPDATE clause with the properties of the given bean using the given Mapper.
<T> C	set(Path<T> path, Expression<? extends T> expression)
<T> C	set(Path<T> path, T value)
C	set(List<? extends Path<?>> paths, List<?> values)
<T> C	setNull(Path<T> path)
String	toString()
C	where(Predicate p)
C	where(Predicate... o)

Methods inherited from class com.querydsl.sql.dml.AbstractSQLClause

addListener, close, close, close, connection, createBindings, createSerializer, endContext, executeBatch, logQuery, onException, reset, setParameters, setUseLiterals, startContext

Methods inherited from class java.lang.Object

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

Field Details

logger

protected static final Logger logger

entity

protected final RelationalPath<?> entity

batches

protected final List<SQLUpdateBatch> batches

updates

protected Map<Path<?>,Expression<?>> updates

metadata

protected QueryMetadata metadata

queryString

protected transient String queryString

constants

protected transient List<Object> constants

Constructor Details

AbstractSQLUpdateClause

public AbstractSQLUpdateClause(Connection connection,
 Configuration configuration,
 RelationalPath<?> entity)

AbstractSQLUpdateClause

public AbstractSQLUpdateClause(Supplier<Connection> connection,
 Configuration configuration,
 RelationalPath<?> entity)

Method Details

addFlag

public C addFlag(QueryFlag.Position position,
 String flag)

Add the given String literal at the given position as a query flag

Parameters:

position - position

flag - query flag

Returns:

the current object

addFlag

public C addFlag(QueryFlag.Position position,
 Expression<?> flag)

Add the given Expression at the given position as a query flag

Parameters:

position - position

flag - query flag

Returns:

the current object

addBatch

public C addBatch()

Add the current state of bindings as a batch item

Returns:

the current object

clear

public void clear()

Description copied from class: AbstractSQLClause

Clear the internal state of the clause

Specified by:

clear in class AbstractSQLClause<C extends AbstractSQLUpdateClause<C>>

createStatement

protected PreparedStatement createStatement()
                                     throws SQLException

Throws:

SQLException

createStatements

protected Collection<PreparedStatement> createStatements()
                                                  throws SQLException

Throws:

SQLException

execute

public long execute()

Specified by:

execute in interface DMLClause<C extends AbstractSQLUpdateClause<C>>

getSQL

public List<SQLBindings> getSQL()

Description copied from class: AbstractSQLClause

Get the SQL string and bindings

Specified by:

getSQL in class AbstractSQLClause<C extends AbstractSQLUpdateClause<C>>

Returns:

SQL and bindings

set

public <T> C set(Path<T> path,
 T value)

Specified by:

set in interface StoreClause<C extends AbstractSQLUpdateClause<C>>

set

public <T> C set(Path<T> path,
 Expression<? extends T> expression)

Specified by:

set in interface StoreClause<C extends AbstractSQLUpdateClause<C>>

setNull

public <T> C setNull(Path<T> path)

Specified by:

setNull in interface StoreClause<C extends AbstractSQLUpdateClause<C>>

set

public C set(List<? extends Path<?>> paths,
 List<?> values)

Specified by:

set in interface UpdateClause<C extends AbstractSQLUpdateClause<C>>

where

public C where(Predicate p)

where

public C where(Predicate... o)

Specified by:

where in interface FilteredClause<C extends AbstractSQLUpdateClause<C>>

limit

public C limit(@org.jetbrains.annotations.Range(from=0L, to=2147483647L) long limit)

toString

public String toString()

Overrides:

toString in class Object

populate

public C populate(Object bean)

Populate the UPDATE clause with the properties of the given bean. The properties need to match the fields of the clause's entity instance. Primary key columns are skipped in the population.

Parameters:

bean - bean to use for population

Returns:

the current object

populate

public <T> C populate(T obj,
 Mapper<T> mapper)

Populate the UPDATE clause with the properties of the given bean using the given Mapper.

Parameters:

obj - object to use for population

mapper - mapper to use

Returns:

the current object

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface StoreClause<C extends AbstractSQLUpdateClause<C>>

getBatchCount

public int getBatchCount()

Specified by:

getBatchCount in class AbstractSQLClause<C extends AbstractSQLUpdateClause<C>>