public virtual IEnumerable <T> Query <T>(ISessionState sessionState, SelectQuery <T> query) where T : class, new()
{
this.EnsureConfigurationLoaded();
var sqlQuery = this.selectWriter.GenerateSql(query);
if (query.HasFetches())
{
Func <SelectWriterResult, SelectQuery <T>, IDbConnection, IDbTransaction, IEnumerable <T> > queryFunc;
if (sqlQuery.NumberCollectionsFetched > 0)
{
queryFunc = this.delegateQueryCreator.GetCollectionFunction <T>(sqlQuery);
}
else
{
queryFunc = this.delegateQueryCreator.GetNoCollectionFunction <T>(sqlQuery);
}
return(queryFunc(sqlQuery, query, sessionState.GetConnection(), sessionState.GetTransaction()));
}
return(sessionState.GetConnection().Query <T>(sqlQuery.Sql, sqlQuery.Parameters, sessionState.GetTransaction()).Select(
t => {
((ITrackedEntity)t).EnableTracking();
return t;
}));
;
}
private static void InsertAndSetId <T, TKey>(
ISessionState sessionState,
SqlWriterResult sqlQuery,
string getLastInsertedId,
IMap <T> map,
T entity) where T : class, new()
{
var idResult = sessionState.GetConnection()
.Query <TKey>(
sqlQuery.Sql + ";" + getLastInsertedId,
sqlQuery.Parameters,
sessionState.GetTransaction());
map.SetPrimaryKeyValue(entity, idResult.Single());
}
public IEnumerable <T> Query <T, TPrimaryKey>(ISessionState sessionState, IEnumerable <TPrimaryKey> ids) where T : class, new()
{
this.EnsureConfigurationLoaded();
var sqlQuery = this.selectWriter.GenerateGetSql <T, TPrimaryKey>(ids);
return(sessionState.GetConnection().Query <T>(sqlQuery.Sql, sqlQuery.Parameters, sessionState.GetTransaction()).Select(
t => {
((ITrackedEntity)t).EnableTracking();
return t;
}));
}
public T Query <T, TPrimaryKey>(ISessionState sessionState, TPrimaryKey id) where T : class, new()
{
this.EnsureConfigurationLoaded();
var sqlQuery = this.selectWriter.GenerateGetSql <T, TPrimaryKey>(id);
var entity = sessionState.GetConnection().Query <T>(sqlQuery.Sql, sqlQuery.Parameters, sessionState.GetTransaction()).SingleOrDefault();
if (entity != null)
{
((ITrackedEntity)entity).EnableTracking();
}
return(entity);
}
public int ExecuteBulkDelete <T>(ISessionState sessionState, IEnumerable <Expression <Func <T, bool> > > predicates) where T : class, new()
{
this.EnsureConfigurationLoaded();
var sqlQuery = this.deleteWriter.GenerateBulkSql(predicates);
return(sessionState.GetConnection().Execute(sqlQuery.Sql, sqlQuery.Parameters, sessionState.GetTransaction()));
}
public virtual int Delete <T>(ISessionState sessionState, IEnumerable <T> entities) where T : class, new()
{
var entityArray = entities as T[] ?? entities.ToArray();
// take the short path
if (!entityArray.Any())
{
return(0);
}
this.EnsureConfigurationLoaded();
var sqlQuery = this.deleteWriter.GenerateSql(entityArray);
return(sessionState.GetConnection().Execute(sqlQuery.Sql, sqlQuery.Parameters, sessionState.GetTransaction()));
}
public virtual int Save <T>(ISessionState sessionState, IEnumerable <T> entities) where T : class, new()
{
this.EnsureConfigurationLoaded();
var sqlQuery = this.updateWriter.GenerateSql(entities);
return(sqlQuery.Sql.Length == 0
? 0
: sessionState.GetConnection().Execute(sqlQuery.Sql, sqlQuery.Parameters, sessionState.GetTransaction()));
}
public virtual int Insert <T>(ISessionState sessionState, IEnumerable <T> entities) where T : class, new()
{
this.EnsureConfigurationLoaded();
var i = 0;
var map = this.Configuration.GetMap <T>();
var getLastInsertedId = this.insertWriter.GenerateGetIdSql <T>();
foreach (var entity in entities)
{
var sqlQuery = this.insertWriter.GenerateSql(entity);
if (map.PrimaryKey.IsAutoGenerated)
{
var idResult = sessionState.GetConnection()
.Query <int>(sqlQuery.Sql + ";" + getLastInsertedId, sqlQuery.Parameters, sessionState.GetTransaction());
map.SetPrimaryKeyValue(entity, idResult.Single());
}
else
{
sessionState.GetConnection().Execute(sqlQuery.Sql, sqlQuery.Parameters, sessionState.GetTransaction());
}
((ITrackedEntity)entity).EnableTracking(); // turn on tracking
++i;
}
return(i);
}
public int Count <T>(ISessionState sessionState, SelectQuery <T> query) where T : class, new()
{
this.EnsureConfigurationLoaded();
var countQuery = this.countWriter.GenerateCountSql(query);
return(sessionState.GetConnection().Query <int>(countQuery.Sql, countQuery.Parameters, sessionState.GetTransaction()).SingleOrDefault());
}
public Page <T> QueryPaged <T>(ISessionState sessionState, SelectQuery <T> query) where T : class, new()
{
this.EnsureConfigurationLoaded();
var countQuery = this.countWriter.GenerateCountSql(query);
var totalResults =
sessionState.GetConnection().Query <int>(countQuery.Sql, countQuery.Parameters, sessionState.GetTransaction()).SingleOrDefault();
return(new Page <T> {
TotalResults = totalResults,
Items = this.Query(sessionState, query).ToArray(),
Skipped = query.SkipN,
Taken = query.TakeN
});
}
public virtual int Insert <T>(ISessionState sessionState, IEnumerable <T> entities) where T : class, new()
{
this.EnsureConfigurationLoaded();
var i = 0;
var map = this.Configuration.GetMap <T>();
var getLastInsertedId = this.insertWriter.GenerateGetIdSql <T>();
foreach (var entity in entities)
{
var sqlQuery = this.insertWriter.GenerateSql(entity);
if (map.PrimaryKey.IsAutoGenerated)
{
if (map.PrimaryKey.Type == typeof(Int32))
{
InsertAndSetId <T, int>(sessionState, sqlQuery, getLastInsertedId, map, entity);
}
else if (map.PrimaryKey.Type == typeof(Int64))
{
InsertAndSetId <T, long>(sessionState, sqlQuery, getLastInsertedId, map, entity);
}
else if (map.PrimaryKey.Type == typeof(Guid))
{
InsertAndSetId <T, Guid>(sessionState, sqlQuery, getLastInsertedId, map, entity);
}
else
{
throw new NotSupportedException("Auto generated primary keys with types other than Int32, Int64 and Guid are not supported");
}
}
else
{
sessionState.GetConnection().Execute(sqlQuery.Sql, sqlQuery.Parameters, sessionState.GetTransaction());
}
((ITrackedEntity)entity).EnableTracking(); // turn on tracking
++i;
}
return(i);
}
