// Merges all data from the given export to the live database. Does NOT
// overwrite if entries already exist.
public void MergeNonOverwrite(Database.Jsonable exported, HashSet <string> expectedBrainIds)
{
exported.AssertValid();
BeginBatchEdit("Merge");
try
{
exported.PerformUpgrades(expectedBrainIds);
exported.AssertValid();
for (int i = 0; i < exported.behaviorIds.Length; i++)
{
string id = exported.behaviorIds[i];
if (!db.behaviors.Exists(id))
{
PutBehavior(id, exported.behaviors[i]);
}
}
for (int i = 0; i < exported.brainIds.Length; i++)
{
string id = exported.brainIds[i];
if (!db.brains.Exists(id))
{
PutBrain(id, exported.brains[i]);
}
}
}
finally
{
EndBatchEdit("Merge");
}
}
// Returns the brain ID of the imported brain in the active system. Ideally
// wouldn't have this 'system' dependency..I think we need to move the
// RPC/replication logic all into this class. Makes sense that the database
// is responsible for keeping itself sync'd.
public string ImportBrain(Database.Jsonable exported, string expectedBrainId)
{
exported.AssertValid();
BeginBatchEdit("ImportBrain");
try
{
exported.PerformUpgrades(new HashSet <string> {
expectedBrainId
});
exported.AssertValid();
Debug.Assert(exported.brainIds.Length == 1);
Debug.Assert(exported.brains.Length == 1);
Debug.Assert(exported.brainIds[0] == expectedBrainId);
// Import all embedded behaviors, but give them new IDs
Dictionary <string, string> exported2importedBehaviorId = new Dictionary <string, string>();
for (int i = 0; i < exported.behaviorIds.Length; i++)
{
string expId = exported.behaviorIds[i];
Behavior behavior = exported.behaviors[i];
string impId = GenerateUniqueId();
exported2importedBehaviorId[expId] = impId;
PutBehavior(impId, behavior);
}
Brain brain = exported.brains[0];
// Convert all embedded behavior URIs to the imported ones.
for (int i = 0; i < brain.behaviorUses.Length; i++)
{
var use = brain.behaviorUses[i];
if (IsEmbeddedBehaviorUri(use.behaviorUri))
{
if (!exported2importedBehaviorId.ContainsKey(use.behaviorUri))
{
// If the behavior URI doesn't exist, it was not exported. So just
// assume this is meant to refer to some behavior that already
// exists in the scene. Intended for scene actor library.
// Check that it does exist.
var existing = GetBehaviorData(use.behaviorUri);
Debug.Assert(existing.javascript != null);
continue;
}
// Freshly imported as a new behavior - update the URI.
string expBehaviorId = BehaviorSystem.GetIdOfBehaviorUri(use.behaviorUri);
string impBehaviorId = exported2importedBehaviorId[expBehaviorId];
use.behaviorUri = BehaviorSystem.IdToEmbeddedBehaviorUri(impBehaviorId);
brain.behaviorUses[i] = use;
}
}
// Ok, ready to go in! We want to import into a different brain ID,
// though.
string importedBrainId = GenerateUniqueId();
PutBrain(importedBrainId, brain);
return(importedBrainId);
}
catch (System.Exception e)
{
Util.LogError($"ImportBrain exception: {e}");
throw e;
}
finally
{
EndBatchEdit("ImportBrain");
}
}
