ItemWriter is a basic interface for generic output operations in Spring Batch. (This tag must be used only with spring-batch posts)
ItemWriter is a basic interface for generic output operations in Spring Batch.
Questions tagged [itemwriter]
51 questions
1
vote
0 answers
Spring Batch : How does ClassifierCompositeItemWriter decide whether to create a new writer or use an existing one?
Given a Spring Batch job that uses chunk oriented processing, I have a requirement to write the same data to different files depending on the value of an attribute. In other words, I need the output file name be decided at runtime depending on the…
Ping
- 587
- 5
- 27
1
vote
1 answer
Spring Batch FlatFileItemWriter write Object with List
I have a Pojo Partner:
Partner Id
List
Address Pojo :
AddressId,
Address,
City,
Country,
Pin
I want to create a Flat file in Spring Batch
- File will be
: PartnerId;AddressId;Address;City;Country;Pin
I am getting Partner Pojo with Id and List of…
Nikhil Nadkar
- 43
- 2
- 11
0
votes
1 answer
Clarification needed with Spring batch concepts
I am new at Spring batch and I am having an issue implementing my business use case with Spring batch.
Basically, I am reading data from a database i.e. a List of subscribers to a newsletter. I then need to send an email to each subscriber as well…
balteo
- 23,602
- 63
- 219
- 412
0
votes
0 answers
Write multiple groups/batch with header and trailer using spring batch
I want to generate a file with financial transactions similar to the following format. Basically transactions are grouped by merchant and currency. Each group has a separate header and trailer.
FILE_HEADER
MERCHANT_AND_CURRENCY_HEADER
…
Hesitha Wijayasinghe
- 13
- 5
0
votes
1 answer
Itemwriter method close exception status of batch completed (not failed)
An exception in an ItemWriter#close method is not causing the exit status to be marked as FAILED. Can you confirm that is the expected behavior ?
According to my understanding, when ItemWriter#close method is called, the items must have been…
buck
- 31
- 3
0
votes
1 answer
Spring batch: multiple operations in writer
In a spring batch project I have to implement multiple operations in a writer: call two different APIs and update a local database. The point is: if one of these operations fails I need to restart from the failed one, without repeating the…
Pirulino
- 758
- 1
- 9
- 20
0
votes
1 answer
Spring Batch JpaItemWriter performance
I use spring batch JpaItemWriter to insert db with 11500 records(8 columns for that table), and I thought its performance will be good, but it was not as fast as I expected.
11500 records took about 60 seconds with chunk size 100, then I raise the…
dandelion
- 5
- 4
0
votes
0 answers
Spring batch itemwriter interface
The write method of Itemwriter has been changed in the spring version 5.
@Override
public void write(List> items) throws Exception{
for(List sublist:items){
writer.write(sublist);
}
The above writer is…
arun
- 23
- 4
0
votes
0 answers
Spring Batch FlatFileItemWriter
salve sto cercando di leggere u oggetto e scivere un oggetto ma ricevo un errore :
Invalid property 'KDE22' of bean class [com.Bnl.Wl.Batch2.Model.EmployeeOut]: Bean property 'KDE22' is not readable or has an invalid getter method: Does the return…
0
votes
1 answer
How to use MongoItemWriter to write a List
My processor return a List of Object but I don't find a solution to override the MongoItemWriter to write some List of object and not object.
I tried this.
My processor :
@Override
public List process(PlaqueSousSurveillanceEntity…
jenoh
- 165
- 3
- 17
0
votes
1 answer
How do I get inserted key in ItemWriter to use it in another query Spring Batch
I am using Spring Batch, and I will do an Insert in ItemWriter and need to do an update in another table with the key inserted. How do I get the key to use it in the updateTableB ?
Thank you in advance.
@Bean
public CompositeItemWriter…
LTurTk
- 25
- 3
0
votes
0 answers
How to write file with dynamic number of files in spring batch?
I'm new in spring batch and very need your help.
How can I writing file in spring batch, which can be write dynamically number of files.
How data looks like, in attachmentdata:
So, in here I need to generate files, which classify based on "DayNo",…
bagus sajiwo
- 1
- 1
0
votes
1 answer
Spring batch not running ItemProcessor and ItemWriter
I got issue in Spring batch while running job. I've configured my ItemReader, ItemProcessor, ItemWriter in 3 different files and then trying to run them in step but after ItemReader nothing executes. Below are all my files.
package…
cruey
- 1
- 1
0
votes
1 answer
Write the same data with different file names using single Item writer using Spring Batch
I have a Spring Batch FlatFileItemWriter which writes data to a specific location with a file name(let's say A.txt for example). Now I need the same file to be written with different file name (let's say B.txt) . How can I achieve this with a single…
srinivas chaitanya
- 427
- 5
- 10
0
votes
2 answers
Rollback or Reset a BufferedWriter
A logic that handles the rollback of a write to a file is this possible?
From my understanding a BufferWriter only writes when a .close() or .flush() is invoked.
I would like to know is it possible to, rollback a write or undo any changes to a file…
user3111115
- 17
- 7