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Remove unneccessary second Context in RDFConsumer

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fixes #8152
This commit is contained in:
Pascal-Nicolas Becker
2022-02-07 23:13:35 +01:00
parent 7af52a0883
commit f0a6b51f34
1 changed files with 47 additions and 43 deletions
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90
dspace-api/src/main/java/org/dspace/rdf/RDFConsumer.java
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@@ -317,50 +317,54 @@ public class RDFConsumer implements Consumer
@Override
public void end(Context ctx) throws Exception {
log.debug("Started processing of queued events.");
// create a new context, to be sure to work as anonymous user
// we don't want to store private data in a triplestore with public
// SPARQL endpoint.
ctx = new Context(Context.Mode.READ_ONLY);
if (toDelete == null)
{
log.debug("Deletion queue does not exists, creating empty queue.");
this.toDelete = new LinkedList<>();
}
if (toConvert != null)
{
log.debug("Starting conversion of DSpaceObjects.");
while (true)
{
DSOIdentifier id;
try { id = toConvert.removeFirst(); }
catch (NoSuchElementException ex) { break; }
if (toDelete.contains(id))
{
log.debug("Skipping " + Constants.typeText[id.type] + " "
+ id.id.toString() + " as it is marked for "
+ "deletion as well.");
continue;
}
log.debug("Converting " + Constants.typeText[id.type] + " "
+ id.id.toString() + ".");
convert(ctx, id);
// store the context mode, set context read only for performance reasons, and restore the old mode
Context.Mode oldMode = ctx.getCurrentMode();
try {
ctx.setMode(Context.Mode.READ_ONLY);
if (toDelete == null) {
log.debug("Deletion queue does not exists, creating empty queue.");
this.toDelete = new LinkedList<>();
}
log.debug("Conversion ended.");
if (toConvert != null) {
log.debug("Starting conversion of DSpaceObjects.");
while (true) {
DSOIdentifier id;
try {
id = toConvert.removeFirst();
} catch (NoSuchElementException ex) {
break;
}
if (toDelete.contains(id)) {
log.debug("Skipping " + Constants.typeText[id.type] + " "
+ id.id.toString() + " as it is marked for "
+ "deletion as well.");
continue;
}
log.debug("Converting " + Constants.typeText[id.type] + " "
+ id.id.toString() + ".");
convert(ctx, id);
}
log.debug("Conversion ended.");
}
log.debug("Starting to delete data from the triple store...");
while (true) {
DSOIdentifier id;
try {
id = toDelete.removeFirst();
} catch (NoSuchElementException ex) {
break;
}
log.debug("Going to delete data from " +
Constants.typeText[id.type] + " "
+ id.id.toString() + ".");
delete(ctx, id);
}
} finally {
// restore context mode
ctx.setMode(oldMode);
}
log.debug("Starting to delete data from the triple store...");
while (true)
{
DSOIdentifier id;
try { id = toDelete.removeFirst(); }
catch (NoSuchElementException ex) { break; }
log.debug("Going to delete data from " +
Constants.typeText[id.type] + " "
+ id.id.toString() + ".");
delete(ctx, id);
}
ctx.abort();
log.debug("Deletion finished.");
}
@@ -502,4 +506,4 @@ public class RDFConsumer implements Consumer
return this.type + (10*this.id.hashCode());
}
}
}
}