Spring Batch Introduction

Spring Batch Introduction Tadaya Tsuyukubo twitter: @ttddyy http://bit.ly/ttddyy_spring-batch-intro

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object]

Batch Process? ,[object Object],[object Object],[object Object],[object Object],"The lack of a standard, reusable batch architecture has resulted in the proliferation of many one-off, in-house solutions developed within client enterprise IT functions." - spring batch documentation

Spring Batch ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

why not hadoop or other grid frameworks? ,[object Object],[object Object],- no need to have special environment - flexibility of storage and algorithm - reuse of existing java library embedded to existing app HDFS, HBase, MapReduce ... standalone process (possible to distribute) efficient to distribute process Light Weight Heavy Weight (doesn't mean good/bad)

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],* "spring batch in action [MEAP] - manning"

Basic Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chunk Oriented Processing ,[object Object],interface ItemWriter<T> { void write(List<? extends T> items); } ,[object Object]

ItemReaders, ItemWriters ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Demo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Step ,[object Object],[object Object],Step Flow: sequential conditional

Job ,[object Object],[object Object]

Job (cont.) ,[object Object],* from spring-batch documentation

JobLauncher, JobRepository ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],* from spring-batch documentation Figure2.1: Batch Stereotypes

more topics... ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reference ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Spring Batch Introduction

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