net.sf.mmm.jpa.impl.query.statement.jpql

Class JpqlDeleteStatementImpl<E>

java.lang.Object

net.sf.mmm.util.query.base.statement.AbstractStatement<E,SELF>

net.sf.mmm.util.query.base.statement.AbstractModifyStatement<E,SELF>

net.sf.mmm.util.query.base.statement.AbstractDeleteStatement<E,JpqlDeleteStatement<E>>

net.sf.mmm.jpa.impl.query.statement.jpql.JpqlDeleteStatementImpl<E>

Type Parameters:

E - the generic type of the queried object (typically a Bean).

All Implemented Interfaces:

JpqlDeleteStatement<E>, Command, FeatureLimit<JpqlDeleteStatement<E>>, FeatureModify, FeatureWhere<JpqlDeleteStatement<E>>, StatementFeature, DeleteStatement<E,JpqlDeleteStatement<E>>, ModifyStatement<E,JpqlDeleteStatement<E>>, Statement<E,JpqlDeleteStatement<E>>

public class JpqlDeleteStatementImpl<E>
extends AbstractDeleteStatement<E,JpqlDeleteStatement<E>>
implements JpqlDeleteStatement<E>

Implementation of JpqlDeleteStatement.

Since:

8.0.0

Author:

hohwille

Field Summary

Fields

Modifier and Type	Field and Description
private javax.persistence.EntityManager	entityManager

Constructor Summary

Constructors

Constructor and Description
JpqlDeleteStatementImpl(javax.persistence.EntityManager entityManager, SqlDialect dialect, EntityAlias<E> alias) The constructor.

Method Summary

Modifier and Type	Method and Description
protected long	doExecute(String sql, Integer limit)
protected javax.persistence.EntityManager	getEntityManager()

Methods inherited from class net.sf.mmm.util.query.base.statement.AbstractDeleteStatement

buildStart, limit, where

Methods inherited from class net.sf.mmm.util.query.base.statement.AbstractModifyStatement

execute

Methods inherited from class net.sf.mmm.util.query.base.statement.AbstractStatement

addAlias, addAliases, build, createFeature, createSqlBuilder, feature, getAlias, getBuilder, getDialect, getFeature, getParameters, getResultClass, getSql, isSupportingAlias, self, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.mmm.util.query.api.statement.Statement

getAlias, getDialect, getParameters, getSql, toString

Methods inherited from interface net.sf.mmm.util.query.api.feature.FeatureModify

execute

Methods inherited from interface net.sf.mmm.util.query.api.feature.FeatureWhere

where

Methods inherited from interface net.sf.mmm.util.query.api.feature.FeatureLimit

limit

Field Detail

entityManager

private final javax.persistence.EntityManager entityManager

Constructor Detail

JpqlDeleteStatementImpl

public JpqlDeleteStatementImpl(javax.persistence.EntityManager entityManager,
                               SqlDialect dialect,
                               EntityAlias<E> alias)

The constructor.

Parameters:

entityManager - the EntityManager instance.

dialect - - see AbstractStatement.getDialect().

alias - - see AbstractStatement.getAlias().

Method Detail

getEntityManager

protected javax.persistence.EntityManager getEntityManager()

Returns:

the EntityManager.

doExecute

protected long doExecute(String sql,
                         Integer limit)

Specified by:

doExecute in class AbstractModifyStatement<E,JpqlDeleteStatement<E>>

Parameters:

sql - the AbstractStatement.getSql() to execute.

limit - the limit.

Returns:

amount of affected rows

See Also:

AbstractModifyStatement.execute()