private IndexInfo2 BuildIndex(FieldSqoInfo finfo, SqoTypeInfo tinfo, IBTree index)
{
this.FillIndex(finfo, tinfo, index);
IndexInfo2 ii = new IndexInfo2();
ii.IndexName = finfo.Name + tinfo.TypeName;
ii.RootOID = index.GetRootOid();
siaqodb.StoreObject(ii);
storedIndexes.Add(ii);
return(ii);
}
private async Task <IndexInfo2> BuildIndexAsync(FieldSqoInfo finfo, SqoTypeInfo tinfo, IBTree index)
{
await this.FillIndexAsync(finfo, tinfo, index).ConfigureAwait(false);
IndexInfo2 ii = new IndexInfo2();
ii.IndexName = finfo.Name + tinfo.TypeName;
ii.RootOID = index.GetRootOid();
await siaqodb.StoreObjectAsync(ii).ConfigureAwait(false);
storedIndexes.Add(ii);
return(ii);
}
private async Task <IBTree> RenewIndexAsync(SqoTypeInfo ti, string fieldName)
{
FieldSqoInfo finfo = MetaHelper.FindField(ti.Fields, fieldName);
IndexInfo2 indexInfo = null;
if (finfo != null)
{
string indexName = finfo.Name + ti.TypeName;
IList <IndexInfo2> stIndexes = await this.GetStoredIndexesAsync().ConfigureAwait(false);
foreach (IndexInfo2 ii in stIndexes)
{
if (indexName.StartsWith(ii.IndexName) || ii.IndexName.StartsWith(indexName))
{
indexInfo = ii;
break;
}
}
if (indexInfo != null)
{
if (storedIndexes != null && storedIndexes.Contains(indexInfo))
{
storedIndexes.Remove(indexInfo);
}
await siaqodb.DeleteAsync(indexInfo);
}
Type t = typeof(BTree <>).MakeGenericType(finfo.AttributeType);
ConstructorInfo ctor = t.GetConstructor(new Type[] { typeof(Siaqodb) });
IBTree index = (IBTree)ctor.Invoke(new object[] { this.siaqodb });
indexInfo = await this.BuildIndexAsync(finfo, ti, index);
index.SetIndexInfo(indexInfo);
await index.PersistAsync();
cacheIndexes.Set(ti, finfo, index);
return(index);
}
return(null);
}
public async Task <IBTree> GetIndexAsync(FieldSqoInfo finfo, SqoTypeInfo tinfo)
{
Type t = typeof(BTree <>).MakeGenericType(finfo.AttributeType);
ConstructorInfo ctor = t.GetConstructor(new Type[] { typeof(Siaqodb) });
IBTree index = (IBTree)ctor.Invoke(new object[] { this.siaqodb });
IndexInfo2 indexInfo = null;
string indexName = finfo.Name + tinfo.TypeName;
try
{
IList <IndexInfo2> stIndexes = await this.GetStoredIndexesAsync().ConfigureAwait(false);
foreach (IndexInfo2 ii in stIndexes)
{
if (ii.IndexName == indexName)
{
indexInfo = ii;
break;
}
}
}
catch (Exception ex)
{
SiaqodbConfigurator.LogMessage("IndexInfo cannot be loaded, index will be rebuild", VerboseLevel.Info);
}
bool indexExists = false;
if (indexInfo == null)
{
indexInfo = await this.BuildIndexAsync(finfo, tinfo, index).ConfigureAwait(false);
}
else
{
indexExists = true;
}
index.SetIndexInfo(indexInfo);
Type nodeType = typeof(BTreeNode <>).MakeGenericType(finfo.AttributeType);
if (indexInfo.RootOID > 0 && indexExists)
{
object rootP = null;
bool error = false;
try
{
rootP = await siaqodb.LoadObjectByOIDAsync(nodeType, indexInfo.RootOID).ConfigureAwait(false);
}
catch (IndexCorruptedException ex)
{
error = true;
}
if (error)
{
if (storedIndexes != null && storedIndexes.Contains(indexInfo))
{
storedIndexes.Remove(indexInfo);
}
await siaqodb.DeleteAsync(indexInfo);
indexInfo = await this.BuildIndexAsync(finfo, tinfo, index);
index.SetIndexInfo(indexInfo);
index.Persist();
}
if (rootP != null)
{
index.SetRoot(rootP);
}
}
return(index);
}
public IBTree GetIndex(FieldSqoInfo finfo, SqoTypeInfo tinfo)
{
Type t = typeof(BTree <>).MakeGenericType(finfo.AttributeType);
ConstructorInfo ctor = t.GetConstructor(new Type[] { typeof(Siaqodb) });
IBTree index = (IBTree)ctor.Invoke(new object[] { this.siaqodb });
IndexInfo2 indexInfo = null;
string indexName = finfo.Name + tinfo.TypeName;
try
{
foreach (IndexInfo2 ii in StoredIndexes)
{
if (indexName.StartsWith(ii.IndexName) || ii.IndexName.StartsWith(indexName))
{
indexInfo = ii;
break;
}
}
}
catch (Exception ex)
{
SiaqodbConfigurator.LogMessage("IndexInfo cannot be loaded, index will be rebuild", VerboseLevel.Info);
}
bool indexExists = false;
if (indexInfo == null)
{
indexInfo = this.BuildIndex(finfo, tinfo, index);
}
else
{
indexExists = true;
}
index.SetIndexInfo(indexInfo);
if (!indexExists)
{
index.Persist();
}
Type nodeType = typeof(BTreeNode <>).MakeGenericType(finfo.AttributeType);
if (indexInfo.RootOID > 0 && indexExists)
{
object rootP = null;
try
{
rootP = siaqodb.LoadObjectByOID(nodeType, indexInfo.RootOID);
}
catch (IndexCorruptedException ex)
{
if (storedIndexes != null && storedIndexes.Contains(indexInfo))
{
storedIndexes.Remove(indexInfo);
}
siaqodb.Delete(indexInfo);
indexInfo = this.BuildIndex(finfo, tinfo, index);
index.SetIndexInfo(indexInfo);
index.Persist();
}
if (rootP != null)
{
index.SetRoot(rootP);
}
}
return(index);
}
public void SetIndexInfo(IndexInfo2 indexInfo)
{
this.indexInfo = indexInfo;
}
