public void Insert(T obj, uint recordId, IEnumerable <string> propertyNames = null)
{
var indexTrees = this.indexTrees;
if (propertyNames != null)
{
indexTrees = this.indexTrees
.Where(x => propertyNames.Contains(x.Key))
.ToDictionary(k => k.Key, v => v.Value);
}
var objProperties = obj
.GetType()
.GetProperties()
.ToList();
foreach (var indexTree in indexTrees)
{
var jsonProperty = objProperties
.Where(prop => prop.Name == indexTree.Key)
.SingleOrDefault();
if (jsonProperty != default(PropertyInfo))
{
IndexTree indexForProperty = indexTree.Value;
object value = jsonProperty.GetValue(obj);
byte[] byteValue = ByteArrayHelper.GetBytes(value, jsonProperty.PropertyType);
indexForProperty.Insert(byteValue, recordId);
}
}
}
private IndexTree GetIndex(string propertyName)
{
IndexTree value = null;
this.indexTrees.TryGetValue(propertyName, out value);
return(value);
}
private Tuple <string, bool> CreateIndexOn(IndexDefinition definition, string pathToJsonDb)
{
bool indexExists = File.Exists(pathToJsonDb + "." + definition.PropertyName + ".idx");
// Create Db file
var dbFile = new FileStream(pathToJsonDb + "." + definition.PropertyName + ".idx", FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None, 4096);
this.indexFiles.Add(definition.PropertyName, dbFile);
var indexTree = new IndexTree(
new TreeDiskNodeManager <byte[], uint>(
new TreeByteArraySerializer(),
new TreeUIntSerializer(),
new RecordStorage(new BlockStorage(dbFile, 4096)),
ByteArrayComparer
),
definition.AllowDuplicateKeys
);
this.indexTrees.Add(definition.PropertyName, indexTree);
return(new Tuple <string, bool>(definition.PropertyName, indexExists));
}