IEnumerable <TResult> JoinCore <TInner, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner> innerMemory, Func <TOuter, TJoinKey> keySelector, Func <TOuter, TInner, TResult> resultSelector)
{
foreach (var outer in outerList)
{
var inner = innerMemory.FindOrDefault(keySelector(outer));
yield return(resultSelector(outer, inner));
}
}
IEnumerable <TResult> JoinCore <TInner1, TInner2, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner1> innerMemory1, IMemoryFinder <TJoinKey, TInner2> innerMemory2, Func <TOuter, TJoinKey> keySelector, Func <TOuter, TInner1, TInner2, TResult> resultSelector)
{
foreach (var outer in outerList)
{
var key = keySelector(outer);
var inner1 = innerMemory1.FindOrDefault(key);
var inner2 = innerMemory2.FindOrDefault(key);
yield return(resultSelector(outer, inner1, inner2));
}
}
IEnumerable <TResult> FlatJoinCore <TInner, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner> innerMemory1, Func <TOuter, TJoinKey> keySelector, Func <TOuter, TInner, TResult> resultSelector, bool defaultIfEmpty)
{
foreach (var outer in outerList)
{
var key = keySelector(outer);
var inner1Many = DefaultIfEmpty(innerMemory1.FindMany(key), defaultIfEmpty);
foreach (var inner1 in inner1Many)
{
yield return(resultSelector(outer, inner1));
}
}
}
public MasterMemoryQuery <TResult> OuterJoin <TInner1, TInner2, TInner3, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner1> innerMemory1, IMemoryFinder <TJoinKey, TInner2> innerMemory2, IMemoryFinder <TJoinKey, TInner3> innerMemory3, Func <TOuter, TJoinKey> keySelector, Func <TOuter, TInner1, TInner2, TInner3, TResult> resultSelector)
{
return(new MasterMemoryQuery <TResult>(FlatJoinCore(innerMemory1, innerMemory2, innerMemory3, keySelector, resultSelector, true)));
}
public MasterMemoryQuery <TResult> Join <TInner1, TInner2, TInner3, TInner4, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner1> innerMemory1, IMemoryFinder <TJoinKey, TInner2> innerMemory2, IMemoryFinder <TJoinKey, TInner3> innerMemory3, IMemoryFinder <TJoinKey, TInner4> innerMemory4, Func <TOuter, TJoinKey> keySelector, Func6 <TOuter, TInner1, TInner2, TInner3, TInner4, TResult> resultSelector)
{
return(new MasterMemoryQuery <TResult>(JoinCore(innerMemory1, innerMemory2, innerMemory3, innerMemory4, keySelector, resultSelector)));
}
IEnumerable <TResult> GroupJoinCore <TInner1, TInner2, TInner3, TInner4, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner1> innerMemory1, IMemoryFinder <TJoinKey, TInner2> innerMemory2, IMemoryFinder <TJoinKey, TInner3> innerMemory3, IMemoryFinder <TJoinKey, TInner4> innerMemory4, Func <TOuter, TJoinKey> keySelector, Func6 <TOuter, RangeView <TInner1>, RangeView <TInner2>, RangeView <TInner3>, RangeView <TInner4>, TResult> resultSelector)
{
foreach (var outer in outerList)
{
var key = keySelector(outer);
var inner1 = innerMemory1.FindMany(key);
var inner2 = innerMemory2.FindMany(key);
var inner3 = innerMemory3.FindMany(key);
var inner4 = innerMemory4.FindMany(key);
yield return(resultSelector(outer, inner1, inner2, inner3, inner4));
}
}
public MasterMemoryQuery <TResult> GroupJoin <TInner1, TInner2, TInner3, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner1> innerMemory1, IMemoryFinder <TJoinKey, TInner2> innerMemory2, IMemoryFinder <TJoinKey, TInner3> innerMemory3, Func <TOuter, TJoinKey> keySelector, Func <TOuter, RangeView <TInner1>, RangeView <TInner2>, RangeView <TInner3>, TResult> resultSelector)
{
return(new MasterMemoryQuery <TResult>(GroupJoinCore(innerMemory1, innerMemory2, innerMemory3, keySelector, resultSelector)));
}
// GroupJoin
public MasterMemoryQuery <TResult> GroupJoin <TInner, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner> innerMemory, Func <TOuter, TJoinKey> keySelector, Func <TOuter, RangeView <TInner>, TResult> resultSelector)
{
return(new MasterMemoryQuery <TResult>(GroupJoinCore(innerMemory, keySelector, resultSelector)));
}
IEnumerable <TResult> FlatJoinCore <TInner1, TInner2, TInner3, TInner4, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner1> innerMemory1, IMemoryFinder <TJoinKey, TInner2> innerMemory2, IMemoryFinder <TJoinKey, TInner3> innerMemory3, IMemoryFinder <TJoinKey, TInner4> innerMemory4, Func <TOuter, TJoinKey> keySelector, Func6 <TOuter, TInner1, TInner2, TInner3, TInner4, TResult> resultSelector, bool defaultIfEmpty)
{
foreach (var outer in outerList)
{
var key = keySelector(outer);
var inner1Many = DefaultIfEmpty(innerMemory1.FindMany(key), defaultIfEmpty);
var inner2Many = DefaultIfEmpty(innerMemory2.FindMany(key), defaultIfEmpty);
var inner3Many = DefaultIfEmpty(innerMemory3.FindMany(key), defaultIfEmpty);
var inner4Many = DefaultIfEmpty(innerMemory4.FindMany(key), defaultIfEmpty);
foreach (var inner1 in inner1Many)
{
foreach (var inner2 in inner2Many)
{
foreach (var inner3 in inner3Many)
{
foreach (var inner4 in inner4Many)
{
yield return(resultSelector(outer, inner1, inner2, inner3, inner4));
}
}
}
}
}
}
// InnerJoin
public MasterMemoryQuery <TResult> InnerJoin <TInner, TJoinKey, TResult>(IMemoryFinder <TJoinKey, TInner> innerMemory, Func <TOuter, TJoinKey> keySelector, Func <TOuter, TInner, TResult> resultSelector)
{
return(new MasterMemoryQuery <TResult>(FlatJoinCore(innerMemory, keySelector, resultSelector, false)));
}
