org.broadleafcommerce.core.purge.dao

Class DefaultSpecPurgeDaoImpl

java.lang.Object

org.broadleafcommerce.core.purge.dao.DefaultSpecPurgeDaoImpl

All Implemented Interfaces:

SpecBasedPurgeDao

@Service(value="blSpecPurgeDao")
public class DefaultSpecPurgeDaoImpl
extends Object
implements SpecBasedPurgeDao

The DefaultPurgeDao that assumes identifiers are of type Long. This PurgeDao utilized bulk deletes. A transaction should be started prior to calling this class.

Author:

dcolgrove

Field Summary

Fields

Modifier and Type	Field and Description
protected javax.persistence.EntityManager	em
static int	RESTRICT_IN_CLAUSE_MAX_SIZE

Constructor Summary

Constructors

Constructor and Description
DefaultSpecPurgeDaoImpl()

Method Summary

Modifier and Type	Method and Description
protected void	bulkDelete(String tableName, String columnName, List<Long> ids) Performs the physical delete of the provides id's in the table
void	cascadeDeleteList(PurgeSpecification purgeSpec, String fkColumnName, List<Long> parentDeleteList) Entry point into the deletion process.
protected List<Long>	findAssociatedIds(String parentFkColumn, String specFkTableName, String specFkColumn, List<Long> specDeleteList) Finds the id's to be purged from a related table
protected Connection	getConnection()
void	setEm(javax.persistence.EntityManager em) TODO: required for tests
protected List<List<Long>>	splitList(List<Long> ids, int size)

Methods inherited from class java.lang.Object

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

Field Detail

RESTRICT_IN_CLAUSE_MAX_SIZE

public static final int RESTRICT_IN_CLAUSE_MAX_SIZE

See Also:

Constant Field Values

em

protected javax.persistence.EntityManager em

Constructor Detail

DefaultSpecPurgeDaoImpl

public DefaultSpecPurgeDaoImpl()

Method Detail

cascadeDeleteList

public void cascadeDeleteList(PurgeSpecification purgeSpec,
                              String fkColumnName,
                              List<Long> parentDeleteList)

Entry point into the deletion process. The PurgeSpec is used to traverse and bulk delete the data.

Specified by:

cascadeDeleteList in interface SpecBasedPurgeDao

findAssociatedIds

protected List<Long> findAssociatedIds(String parentFkColumn,
                                       String specFkTableName,
                                       String specFkColumn,
                                       List<Long> specDeleteList)

Finds the id's to be purged from a related table

Parameters:

parentFkColumn -

specFkTableName -

specFkColumn -

specDeleteList -

Returns:

bulkDelete

protected void bulkDelete(String tableName,
                          String columnName,
                          List<Long> ids)

Performs the physical delete of the provides id's in the table

Parameters:

tableName -

columnName -

ids -

splitList

protected List<List<Long>> splitList(List<Long> ids,
                                     int size)

getConnection

protected Connection getConnection()

setEm

public void setEm(javax.persistence.EntityManager em)

TODO: required for tests

Specified by:

setEm in interface SpecBasedPurgeDao