properly handle the empty map exception

NucleoTeam · Dec 9, 2023 · 2356bc4 · 2356bc4
1 parent 1d930e9
commit 2356bc4
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Showing 2 changed files with 9 additions and 6 deletions.
diff --git a/build.gradle b/build.gradle
@@ -5,7 +5,7 @@ plugins {
 }
 
 group = 'com.nucleodb'
-version = '1.13.9'
+version = '1.13.10'
 
 repositories {
     mavenCentral()

diff --git a/src/main/java/com/nucleodb/library/database/tables/table/DataTable.java b/src/main/java/com/nucleodb/library/database/tables/table/DataTable.java
@@ -400,12 +400,15 @@ public Set<DataEntry> get(String key, Object value, DataEntryProjection dataEntr
       dataEntryProjection = new DataEntryProjection();
     }
     if (key.equals("id")) {
-      Set<DataEntry>  entrySet = new TreeSet(Arrays.asList(this.keyToEntry.get(value)));
-      Stream<DataEntry> process = dataEntryProjection.process(entrySet.stream());
-      if(dataEntryProjection.isWritable()) {
-        return process.map(de -> (DataEntry) de.copy(this.getConfig().getDataEntryClass())).collect(Collectors.toSet());
+      if(this.keyToEntry.size()>0) {
+        Set<DataEntry> entrySet = new TreeSet(Arrays.asList(this.keyToEntry.get(value)));
+        Stream<DataEntry> process = dataEntryProjection.process(entrySet.stream());
+        if (dataEntryProjection.isWritable()) {
+          return process.map(de -> (DataEntry) de.copy(this.getConfig().getDataEntryClass())).collect(Collectors.toSet());
+        }
+        return process.collect(Collectors.toSet());
       }
-      return process.collect(Collectors.toSet());
+      return new TreeSet<>();
     }
     IndexWrapper<DataEntry> dataEntryIndexWrapper = this.indexes.get(key);
     return handleIndexOperation(value, dataEntryProjection, dataEntryIndexWrapper::get);