org.jeasy.batch.extensions.hibernate

Class HibernateRecordReader<T>

java.lang.Object

org.jeasy.batch.extensions.hibernate.HibernateRecordReader<T>

Type Parameters:

T - the type of objects this reader will read.

All Implemented Interfaces:

RecordReader

public class HibernateRecordReader<T>
extends java.lang.Object
implements RecordReader

Read records using Hibernate API. This reader produces GenericRecord instances with domain objects as payload.

Author:

Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)

Constructor Summary

Constructors

Constructor and Description
HibernateRecordReader(org.hibernate.SessionFactory sessionFactory, java.lang.String query) Create a new HibernateRecordReader.

Method Summary

Modifier and Type	Method and Description
void	close()
void	open()
GenericRecord<T>	readRecord()
void	setFetchSize(int fetchSize) Set the fetch size
void	setMaxResults(int maxResults) Set the max results to fetch.

Methods inherited from class java.lang.Object

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

Constructor Detail

HibernateRecordReader

public HibernateRecordReader(org.hibernate.SessionFactory sessionFactory,
                             java.lang.String query)

Create a new HibernateRecordReader.

Parameters:

sessionFactory - a pre-configured hibernate session factory

query - the HQL query to use to fetch data

Method Detail

open

public void open()

Specified by:

open in interface RecordReader

readRecord

public GenericRecord<T> readRecord()

Specified by:

readRecord in interface RecordReader

close

public void close()

Specified by:

close in interface RecordReader

setMaxResults

public void setMaxResults(int maxResults)

Set the max results to fetch.

Parameters:

maxResults - the maximum results to fetch

setFetchSize

public void setFetchSize(int fetchSize)

Set the fetch size

Parameters:

fetchSize - the fetch size