gitgabrio opened a new issue, #2253:
URL: https://github.com/apache/incubator-kie-issues/issues/2253
The following snippet is an example of code-generated "DecisionModels":
```java
static {
init(/* arguments provided during codegen */
null, null, java.util.Set.of(), true,
readResource(Application.class.getResourceAsStream("/valid_models/DMNv1_5/Importing_EmptyNamed_Model_With_Href_Namespace.dmn"),
"UTF-8"),
readResource(Application.class.getResourceAsStream("/valid_models/DMNv1_5/Imported_Model_Unamed.dmn"),
"UTF-8"),
readResource(Application.class.getResourceAsStream("/valid_models/DMNv1_5/TypeConstraintsChecks.dmn"),
"UTF-8"),
readResource(Application.class.getResourceAsStream("/valid_models/DMNv1_5/AllowedValuesChecksInsideCollection.dmn"),
"UTF-8"));
}
```
The problem with that class are:
1. `readResource(InputStream, String)` returns an `InputStreamReader` that
contains an `InputStream`, which could lead to not-efficient resource consuming
2. it has been reported at least once the case where at least 3500 DMN files
are automatically generated; in this case, for each DMN, a `readResource` entry
is written in the class, leading to “Error during processing model classes:
code too large” error during compilation
So, we need to devise a different approach to:
1. limit the concurrently-opened InputStreams
2. limit the size of codegenerated class
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