/// <summary>
/// Initialize an empty datastore from a type description
/// </summary>
/// <param name="typeDescription"></param>
/// <param name="evictionPolicy"></param>
/// <param name="config"></param>
public DataStore(TypeDescription typeDescription, EvictionPolicy evictionPolicy, NodeConfig config)
{
TypeDescription = typeDescription ?? throw new ArgumentNullException(nameof(typeDescription));
EvictionPolicy = evictionPolicy ?? throw new ArgumentNullException(nameof(evictionPolicy));
//initialize the primary key dictionary
_dataByPrimaryKey = new Dictionary <KeyValue, CachedObject>();
//initialize the unique keys dictionaries (une by unique key)
_dataByUniqueKey = new Dictionary <string, Dictionary <KeyValue, CachedObject> >();
foreach (var keyInfo in typeDescription.UniqueKeyFields)
{
_dataByUniqueKey.Add(keyInfo.Name, new Dictionary <KeyValue, CachedObject>());
}
//initialize the indexes (one by index key)
_dataByIndexKey = new Dictionary <string, IndexBase>();
// scalar indexed fields
foreach (var indexField in typeDescription.IndexFields)
{
var index = IndexFactory.CreateIndex(indexField);
_dataByIndexKey.Add(indexField.Name, index);
}
// list indexed fields
foreach (var indexField in typeDescription.ListFields)
{
var index = IndexFactory.CreateIndex(indexField);
_dataByIndexKey.Add(indexField.Name, index);
}
// create the full-text index if required
if (typeDescription.FullText.Count > 0)
{
_fullTextIndex = new FullTextIndex(config.FullTextConfig)
{
// a function that allows the full text engine to find the original line of text
LineProvider = pointer => _dataByPrimaryKey[pointer.PrimaryKey].FullText[pointer.Line]
};
}
}
/// <summary>
/// Initialize an empty datastore from a type description
/// </summary>
/// <param name="collectionSchema"></param>
/// <param name="evictionPolicy"></param>
/// <param name="fullTextConfig"></param>
public DataStore(CollectionSchema collectionSchema, EvictionPolicy evictionPolicy,
FullTextConfig fullTextConfig)
{
_fullTextConfig = fullTextConfig;
CollectionSchema = collectionSchema ?? throw new ArgumentNullException(nameof(collectionSchema));
EvictionPolicy = evictionPolicy ?? throw new ArgumentNullException(nameof(evictionPolicy));
//initialize the primary key dictionary
DataByPrimaryKey = new Dictionary <KeyValue, PackedObject>();
//initialize the unique keys dictionaries (one by unique key)
_dataByUniqueKey = new Dictionary <string, Dictionary <KeyValue, PackedObject> >();
foreach (var keyInfo in collectionSchema.UniqueKeyFields)
{
_dataByUniqueKey.Add(keyInfo.Name, new Dictionary <KeyValue, PackedObject>());
}
//initialize the indexes (one by index key)
_dataByIndexKey = new Dictionary <string, IndexBase>();
// scalar indexed fields
foreach (var indexField in collectionSchema.IndexFields)
{
var index = IndexFactory.CreateIndex(indexField);
_dataByIndexKey.Add(indexField.Name, index);
}
// create the full-text index if required
if (collectionSchema.FullText.Count > 0)
{
_fullTextIndex = new FullTextIndex(fullTextConfig)
{
// a function that allows the full text engine to find the original line of text
LineProvider = pointer => DataByPrimaryKey[pointer.PrimaryKey].TokenizedFullText[pointer.Line]
}
}
;
}
/// <summary>
/// Initialize an empty datastore from a type description
/// </summary>
/// <param name="typeDescription"></param>
/// <param name="evictionPolicy"></param>
public DataStore(TypeDescription typeDescription, EvictionPolicy evictionPolicy)
{
TypeDescription = typeDescription ?? throw new ArgumentNullException(nameof(typeDescription));
EvictionPolicy = evictionPolicy ?? throw new ArgumentNullException(nameof(evictionPolicy));
//initialize the primary key dictionary
_dataByPrimaryKey = new Dictionary <KeyValue, CachedObject>();
//initialize the unique keys dictionaries (une by unique key)
_dataByUniqueKey = new Dictionary <string, Dictionary <KeyValue, CachedObject> >();
foreach (var keyInfo in typeDescription.UniqueKeyFields)
{
_dataByUniqueKey.Add(keyInfo.Name, new Dictionary <KeyValue, CachedObject>());
}
//initialize the indexes (one by index key)
_dataByIndexKey = new Dictionary <string, IndexBase>();
// scalar indexed fields
foreach (var indexField in typeDescription.IndexFields)
{
var index = IndexFactory.CreateIndex(indexField);
_dataByIndexKey.Add(indexField.Name, index);
}
// list indexed fields
foreach (var indexField in typeDescription.ListFields)
{
var index = IndexFactory.CreateIndex(indexField);
_dataByIndexKey.Add(indexField.Name, index);
}
}