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Update CAS in MongoDB deletes old doc version only after successful u… #10

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Update CAS in MongoDB deletes old doc version only after successful u… #10

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12 changes: 9 additions & 3 deletions src/main/java/org/texttechnologylab/uimadb/databases/mongo/Mongo.java
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Original file line number Diff line number Diff line change
Expand Up @@ -223,8 +223,6 @@ public String updateElementGridFS(String sMongoID, JCas jcas) throws IOException

public String updateElementGridFS(String sMongoID, JCas jcas, @Nullable Document statistics) throws IOException, CASException {

deleteElementGridFS(sMongoID);

GridFSUploadOptions options = new GridFSUploadOptions()
.chunkSizeBytes(358400)
.metadata(new Document("type", "uima"));
Expand All @@ -244,7 +242,15 @@ public String updateElementGridFS(String sMongoID, JCas jcas, @Nullable Document
} catch (Exception ex) {
ex.printStackTrace();
}
return uploadStream.getObjectId().toString();

// Try to get new doc ID
String sNewMongoID = uploadStream.getObjectId().toString();

// Delete "old" CAS document version from the database.
// NOTE: This was moved to the end of the function to prevent data loss if the function terminates unexpectedly.
deleteElementGridFS(sMongoID);

return sNewMongoID;

}

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