Make getGroupbyMapping synchronized to prevent
race conditions.
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1 changed files with 5 additions and 1 deletions
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@ -488,7 +488,11 @@ public class DbMapping implements Updatable {
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return null;
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}
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public DbMapping getGroupbyMapping () {
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/**
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* If subnodes are grouped by one of their properties, return the
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* db-mapping with the right relations to create the group-by nodes
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*/
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public synchronized DbMapping getGroupbyMapping () {
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if (subnodesRel == null || subnodesRel.groupby == null)
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return null;
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if (groupbyMapping == null) {
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