org.datanucleus.store.rdbms.request
Class LocateBulkRequest

java.lang.Object
  org.datanucleus.store.rdbms.request.BulkRequest
      org.datanucleus.store.rdbms.request.LocateBulkRequest

public class LocateBulkRequest
extends BulkRequest

Request to locate a series of records in the data store (all present in the same table). Performs an SQL statement like

 SELECT ID [,FIELD1,FIELD2] FROM CANDIDATE_TABLE WHERE ID = ? OR ID = ? OR ID = ?
 

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.request.BulkRequest

key, LOCALISER, table

Constructor Summary

LocateBulkRequest(org.datanucleus.store.mapped.DatastoreClass table)
Constructor, taking the table.

Method Summary

void	execute(org.datanucleus.store.ObjectProvider[] ops) Method performing the location of the records in the datastore.
protected String	getStatement(org.datanucleus.store.mapped.DatastoreClass table, org.datanucleus.store.ObjectProvider[] ops, boolean lock)

Methods inherited from class java.lang.Object

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

Constructor Detail

LocateBulkRequest

public LocateBulkRequest(org.datanucleus.store.mapped.DatastoreClass table)

Constructor, taking the table. Uses the structure of the datastore table to build a basic query.

Parameters:

table - The Class Table representing the datastore table to retrieve

Method Detail

getStatement

protected String getStatement(org.datanucleus.store.mapped.DatastoreClass table,
                              org.datanucleus.store.ObjectProvider[] ops,
                              boolean lock)

execute

public void execute(org.datanucleus.store.ObjectProvider[] ops)

Method performing the location of the records in the datastore.

Specified by:

execute in class BulkRequest

Parameters:

ops - ObjectProviders to be located

Throws:

org.datanucleus.exceptions.NucleusObjectNotFoundException - with nested exceptions for each of missing objects (if any)