The Controller app of the PDF Aggregation Service.

Go to file

Lampros Smyrnaios bfdf06bd09 - Apply error-checking on individual CallableTasks and in tasks-batches related to the creation and upload of all the data related to the "attempt" and "payload" table. So, if no data could be uploaded for one or both tables, no "load"-queries will be executed for that/those tables. - Catch the more general "Exception", inside "FileUtils.mergeParquetFiles()", in order to be certain that the "SQLException" can also be caught. - Code polishing.		2022-12-09 12:46:06 +02:00
gradle/wrapper	- Improve some log-messages.	2022-11-30 16:28:39 +02:00
src/main	- Apply error-checking on individual CallableTasks and in tasks-batches related to the creation and upload of all the data related to the "attempt" and "payload" table. So, if no data could be uploaded for one or both tables, no "load"-queries will be executed for that/those tables.	2022-12-09 12:46:06 +02:00
.gitignore	springified project	2022-01-30 22:15:13 +02:00
Dockerfile	- Allow the user to build, push and run the App in Docker, straight though the "installAndRun.sh" script.	2022-02-04 15:49:56 +02:00
README.md	- Fix creating the "assignment" table, always in the testDatabase.	2022-12-07 14:58:38 +02:00
build.gradle	- Improve exception handling.	2022-12-07 13:48:00 +02:00
gradle.properties	- Improve some log-messages.	2022-11-30 16:28:39 +02:00
installAndRun.sh	- Change the parquet compression from "Snappy" to "Gzip", as there is an unhandleable exception when the app is running inside a Docker Container and uses the "Snappy" compression.	2022-12-08 16:28:41 +02:00
settings.gradle	- Add the "isControllerAlive"-endpoint.	2021-09-23 15:08:52 +03:00

README.md

UrlsController

The Controller's Application receives requests coming from the Workers , constructs an assignments-list with data received from a database and returns the list to the workers.
Then, it receives the "WorkerReports", it requests the full-texts from the workers, in batches, and uploads them on the S3-Object-Store. Finally, it writes the related reports, along with the updated file-locations into the database.
The database used is the Impala .

To install and run the application:

Run git clone and then cd UrlsController.
Provide the S3 Object Store related configurations, inside the src/main/resources/application.properties file.
Execute the installAndRun.sh script which builds and runs the app.
If you want to just run the app, then run the script with the argument "1": ./installAndRun.sh 1.
If you want to build and run the app on a Docker Container, then run the script with the argument "0" followed by the argument "1": ./installAndRun.sh 0 1.