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August 2, 2019 22:17
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Ejemplo con secciones del batch todo en el mismo archivo
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package cl.poc.scheduler.batch; | |
import java.util.List; | |
import javax.sql.DataSource; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import org.springframework.batch.core.Job; | |
import org.springframework.batch.core.Step; | |
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing; | |
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory; | |
import org.springframework.batch.core.configuration.annotation.StepBuilderFactory; | |
import org.springframework.batch.core.launch.support.RunIdIncrementer; | |
import org.springframework.batch.item.ItemProcessor; | |
import org.springframework.batch.item.ItemReader; | |
import org.springframework.batch.item.ItemWriter; | |
import org.springframework.batch.item.database.StoredProcedureItemReader; | |
import org.springframework.beans.factory.annotation.Autowired; | |
import org.springframework.beans.factory.annotation.Qualifier; | |
import org.springframework.context.annotation.Bean; | |
import org.springframework.context.annotation.Configuration; | |
import org.springframework.context.annotation.Scope; | |
import org.springframework.jdbc.core.SqlParameter; | |
import cl.poc.scheduler.bean.ListadoMaestroNotificaciones; | |
import cl.poc.scheduler.dao.ListadoMaestroNotificacionesMapper; | |
import cl.poc.scheduler.properties.CustomYMLFile; | |
import net.bytebuddy.utility.RandomString; | |
import oracle.jdbc.OracleTypes; | |
/** | |
* Spring batch de notificaciones | |
* | |
* @author ccontrerasc | |
* | |
*/ | |
@Configuration | |
@EnableBatchProcessing | |
public class JobNotificaciones { | |
/** | |
* LOG | |
*/ | |
private static final Log log = LogFactory.getLog(JobNotificaciones.class); | |
/****************** | |
* Factories | |
*/ | |
@Autowired | |
public JobBuilderFactory jobBuilderFactory; | |
@Autowired | |
public StepBuilderFactory stepBuilderFactory; | |
@Autowired | |
private JobCompletionNotificationListener postListener; | |
/******************* | |
* DI | |
*/ | |
@Autowired | |
private CustomYMLFile properties; | |
@Autowired | |
DataSource dataSource; | |
/***************************************/ | |
/** | |
* JOB | |
* | |
* Punto de entrada para comenzar la ejecucion del batch | |
* | |
* @param listener | |
* @param evaluarData | |
* @param ejecutarAccion | |
* @return | |
*/ | |
@Bean | |
@Scope("singleton") | |
public Job executeBatchProcessing(@Qualifier("stepNotification") Step stepNotification) { | |
return jobBuilderFactory.get(RandomString.make(15) | |
.toUpperCase()).listener(postListener) | |
.preventRestart() | |
.incrementer(new RunIdIncrementer()) | |
.start(stepNotification) | |
.build(); | |
} | |
/** | |
* STEP | |
* | |
* Pago PAC | |
* | |
* @return | |
*/ | |
@Bean | |
public Step stepNotification( | |
ItemReader<ListadoMaestroNotificaciones> reader, | |
ItemProcessor<ListadoMaestroNotificaciones, ListadoMaestroNotificaciones> processor, | |
ItemWriter<ListadoMaestroNotificaciones> writer) { | |
return stepBuilderFactory.get("stepNotification") | |
.<ListadoMaestroNotificaciones, ListadoMaestroNotificaciones>chunk(10) | |
.reader(reader) | |
.processor(processor) | |
.writer(writer) | |
.build(); | |
} | |
/**************************************************************/ | |
/** | |
* Lee los registros que contengan el estado indicado | |
* | |
* @return | |
*/ | |
@Bean | |
public ItemReader<ListadoMaestroNotificaciones> read() { | |
try { | |
log.info("[READ] Executing..."); | |
StoredProcedureItemReader<ListadoMaestroNotificaciones> reader = new StoredProcedureItemReader<ListadoMaestroNotificaciones>(); | |
reader.setDataSource(dataSource); | |
// Procedure | |
reader.setProcedureName(properties.getProcedures().getObtieneMaestro()); | |
SqlParameter[] parameters = { new SqlParameter("P_ESTADO", OracleTypes.VARCHAR), new SqlParameter("OUT_ESTADO", OracleTypes.CURSOR) }; | |
/* | |
* Le seteo al reader los parametros ya definidos. Ademas le digo que Mapper necesito para | |
* procesarlo como un objeto y le indico en que posicion esta el cursor | |
*/ | |
reader.setParameters(parameters); | |
reader.setRowMapper(new ListadoMaestroNotificacionesMapper()); | |
reader.setRefCursorPosition(3); | |
return reader; | |
} catch (Exception e) { | |
log.error("Error al obtener lista de clientes a procesar, ERROR > ", e); | |
} | |
return null; | |
} | |
/*********************************************************/ | |
@Bean | |
public ItemProcessor<ListadoMaestroNotificaciones, ListadoMaestroNotificaciones> processor() { | |
ItemProcessor<ListadoMaestroNotificaciones, ListadoMaestroNotificaciones> processor = new ItemProcessor<ListadoMaestroNotificaciones, ListadoMaestroNotificaciones>() { | |
@Override | |
public ListadoMaestroNotificaciones process(ListadoMaestroNotificaciones item) throws Exception { | |
log.info("-----------------------------"); | |
log.info("[PROCESS PAYMENT] Executing..."); | |
log.info("-----------------------------"); | |
return null; | |
} | |
}; | |
return processor; | |
} | |
/*********************************************************/ | |
@Bean | |
public ItemWriter<ListadoMaestroNotificaciones> writer() { | |
ItemWriter<ListadoMaestroNotificaciones> itemWriter = new ItemWriter<ListadoMaestroNotificaciones>() { | |
@Override | |
public void write(List<? extends ListadoMaestroNotificaciones> items) throws Exception { | |
log.info("-----------------------------"); | |
log.info("[WRITER PAYMENT] Executing..."); | |
log.info("-----------------------------"); | |
} | |
}; | |
return itemWriter; | |
} | |
} |
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