private int ForEachInternal(Slice prefix, ForEachCallback callback)
{
using (var tx = _env.NewTransaction(TransactionFlags.Read))
using (var it = tx.State.GetTree(tx, Index).Iterate(tx))
{
Slice key = Slice.BeforeAllKeys;
if (prefix != null)
{
it.RequiredPrefix = prefix;
key = prefix;
}
if (it.Seek(key) == false)
{
return((int)ReturnCode.GIT_OK);
}
do
{
string sha = it.CurrentKey.ToString();
int ret = callback(new ObjectId(sha));
if (ret != (int)ReturnCode.GIT_OK)
{
return((int)ReturnCode.GIT_EUSER);
}
} while (it.MoveNext());
}
return((int)ReturnCode.GIT_OK);
}
/// <summary>
/// Performs the specified action for each element in an array.
/// </summary>
/// <param name="callbackfn">A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array.</param>
public void ForEach(ForEachCallback callbackfn)
{
for (int index = 0; index < this.Length; index++)
{
callbackfn(this[index], index, this);
}
}
public void ForEach(ForEachCallback callback)
{
using (this)
while (reader.Read())
{
callback(this);
}
}
public static void ForEach(MethodBodyBlock method, ForEachCallback handler)
{
GraphProcessor graphProcessor = new GraphProcessor();
Visitor visitor = new ForEachVisitor(graphProcessor, handler);
visitor.AddTask(method, null);
graphProcessor.Process();
}
protected void Select(IList list)
{
MSSQLField[] readables = table.GetFields(FieldFlags.Read);
StringBuilder sql = new StringBuilder();
sql.Append("SELECT ");
if (distinct)
{
sql.Append("DISTINCT ");
}
if (selectTop > 0)
{
sql.Append("TOP ").Append(selectTop).Append(" ");
}
bool first = true;
foreach (MSSQLField f in readables)
{
if (!first)
{
sql.Append(",");
}
first = false;
sql.Append(database.QuoteName(f.Name));
}
sql.Append(" FROM ").Append(table.QuotedName);
if (where.Length > 0)
{
sql.Append(" WHERE ").Append(where.ToString());
}
ForEachCallback callback = new ForEachCallback(delegate(IRow row)
{
object obj = table.NewObject();
object value = null;
int i = 0;
foreach (MSSQLField f in readables)
{
value = row[i++];
if (Convert.IsDBNull(value))
{
value = null;
}
f.SetValue(obj, value);
}
list.Add(obj);
});
using (MSSQLStatement stmt = database.Prepare(sql.ToString()) as MSSQLStatement)
using (IQueryResult result = stmt.ExecQuery(values.ToArray()))
{
result.ForEach(callback);
}
}
/// <summary>
/// Iterates through all the droplet instances.
/// </summary>
/// <param name="upgradableReadLock">Set it to true if a write lock on the Droplet Collection.</param>
/// <param name="doThat">The code to execute on each instance.</param>
public void ForEach(bool upgradableReadLock, ForEachCallback doThat)
{
if (doThat == null)
{
throw new ArgumentNullException("doThat");
}
if (upgradableReadLock)
{
List <DropletInstance> ephemeralInstances = new List <DropletInstance>();
try
{
this.Lock.EnterReadLock();
foreach (KeyValuePair <string, Droplet> instances in this.Droplets)
{
foreach (KeyValuePair <string, DropletInstance> instance in instances.Value.DropletInstances)
{
ephemeralInstances.Add(instance.Value);
}
}
}
finally
{
this.Lock.ExitReadLock();
}
foreach (DropletInstance instance in ephemeralInstances)
{
doThat(instance);
}
}
else
{
try
{
this.Lock.EnterReadLock();
foreach (KeyValuePair <string, Droplet> instances in this.Droplets)
{
foreach (KeyValuePair <string, DropletInstance> instance in instances.Value.DropletInstances)
{
doThat(instance.Value);
}
}
}
finally
{
this.Lock.ExitReadLock();
}
}
}
public override int ForEach(ForEachCallback callback)
{
foreach (var objectId in m_objectIdToContent.Keys)
{
int result = callback(objectId);
if (result != (int)ReturnCode.GIT_OK)
{
return(result);
}
}
return((int)ReturnCode.GIT_OK);
}
/// <inheritdoc />
public override int ForEach(ForEachCallback callback)
{
foreach (var entry in _database.FileStorage.FindAll())
{
try
{
ExtractData(entry, out var oid, out int _, out var __);
callback(oid);
}
catch
{
}
}
return((int)ReturnCode.GIT_OK);
}
public override int ForEach(ForEachCallback callback)
{
foreach (var objectId in m_objectIdToContent.Keys)
{
int result = callback(objectId);
if (result != (int)ReturnCode.GIT_OK)
{
return result;
}
}
return (int)ReturnCode.GIT_OK;
}
public override int ForEach(ForEachCallback callback)
{
throw this.exceptionToThrow;
}
/// <summary>
/// For each with upgradableReadLock set to false.
/// </summary>
/// <param name="doThat">The callback for each instance.</param>
public void ForEach(ForEachCallback doThat)
{
this.ForEach(false, doThat);
}
public void ForEach(bool upgradableReadLock, ForEachCallback doThat)
{
if (doThat == null)
{
throw new ArgumentNullException("doThat");
}
if (upgradableReadLock)
{
List<StagingInstance> ephemeralInstances = new List<StagingInstance>();
try
{
this.Lock.EnterReadLock();
foreach (KeyValuePair<string, StagingInstance> instance in this.Tasks)
{
ephemeralInstances.Add(instance.Value);
}
}
finally
{
this.Lock.ExitReadLock();
}
foreach (StagingInstance instance in ephemeralInstances)
{
doThat(instance);
}
}
else
{
try
{
this.Lock.EnterReadLock();
foreach (KeyValuePair<string, StagingInstance> instance in this.Tasks)
{
doThat(instance.Value);
}
}
finally
{
this.Lock.ExitReadLock();
}
}
}
public override int ForEach(ForEachCallback callback)
{
return ForEachInternal(new {match_all = new {}}, callback);
}
/// <summary> /// Requests that this backend enumerate all items in the backing store. /// </summary> public abstract int ForEach(ForEachCallback callback);
public override int ForEach(ForEachCallback callback)
{
return(ForEachInternal(null, callback));
}
public override int ForEach(ForEachCallback callback)
{
throw new NotImplementedException();
}
public override int ForEach(ForEachCallback callback)
{
return ForEachInternal(null, callback);
}
private int ForEachInternal(Slice prefix, ForEachCallback callback)
{
using (var tx = _env.NewTransaction(TransactionFlags.Read))
using (var it = tx.State.GetTree(tx, Index).Iterate(tx))
{
Slice key = Slice.BeforeAllKeys;
if (prefix != null)
{
it.RequiredPrefix = prefix;
key = prefix;
}
if (it.Seek(key) == false)
{
return (int)ReturnCode.GIT_OK;
}
do
{
string sha = it.CurrentKey.ToString();
int ret = callback(new ObjectId(sha));
if (ret != (int)ReturnCode.GIT_OK)
{
return (int)ReturnCode.GIT_EUSER;
}
} while (it.MoveNext());
}
return (int)ReturnCode.GIT_OK;
}
static int ForEachVoxel( VoxelWorld World, ref VoxelRef v1, ref VoxelRef v2, ForEachCallback f, bool not_zero )
{
if( v1.Sector == null || v2.Sector == null )
return not_zero ? 1 : 0;
int v1x = v1.x + ( v1.Sector.Pos_x << VoxelSector.ZVOXELBLOCSHIFT_X );
int v1y = v1.y + ( v1.Sector.Pos_y << VoxelSector.ZVOXELBLOCSHIFT_Y );
int v1z = v1.z + ( v1.Sector.Pos_z << VoxelSector.ZVOXELBLOCSHIFT_Z );
int v2x = v2.x + ( v2.Sector.Pos_x << VoxelSector.ZVOXELBLOCSHIFT_X );
int v2y = v2.y + ( v2.Sector.Pos_y << VoxelSector.ZVOXELBLOCSHIFT_Y );
int v2z = v2.z + ( v2.Sector.Pos_z << VoxelSector.ZVOXELBLOCSHIFT_Z );
int del_x = v2x - v1x;
int del_y = v2y - v1y;
int del_z = v2z - v1z;
int abs_x = del_x < 0 ? -del_x : del_x;
int abs_y = del_y < 0 ? -del_y : del_y;
int abs_z = del_z < 0 ? -del_z : del_z;
// cannot use iterate if either end is undefined.
if( del_x != 0 )
{
if( del_y != 0 )
{
if( del_z != 0 )
{
if( abs_x > abs_y || ( abs_z > abs_y ) )
{
if( abs_z > abs_x )
{
// z is longest path
int erry = -abs_z / 2;
int errx = -abs_z / 2;
int incy = del_y < 0 ? -1 : 1;
int incx = del_x < 0 ? -1 : 1;
int incz = del_z < 0 ? -1 : 1;
{
int x = v1x;
int y = v1y;
for( int z = v1z + incz; z != v2z; z += incz )
{
errx += abs_x;
if( errx > 0 )
{
errx -= abs_z;
x += incx;
}
erry += abs_y;
if( erry > 0 )
{
erry -= abs_z;
y += incy;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
else
{
// x is longest.
int erry = -abs_x / 2;
int errz = -abs_x / 2;
int incy = del_y < 0 ? -1 : 1;
int incx = del_x < 0 ? -1 : 1;
int incz = del_z < 0 ? -1 : 1;
{
int y = v1y;
int z = v1z;
for( int x = v1x + incx; x != v2x; x += incx )
{
errz += abs_z;
if( errz > 0 )
{
errz -= abs_x;
z += incx;
}
erry += abs_y;
if( erry > 0 )
{
erry -= abs_x;
y += incy;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
}
else
{
// y is longest.
int errx = -abs_y / 2;
int errz = -abs_y / 2;
int incy = del_y < 0 ? -1 : 1;
int incx = del_x < 0 ? -1 : 1;
int incz = del_z < 0 ? -1 : 1;
{
int x = v1x;
int z = v1x;
for( int y = v1y + incy; y != v2y; y += incy )
{
errx += abs_x;
if( errx > 0 )
{
errx -= abs_y;
x += incx;
}
errz += abs_z;
if( errz > 0 )
{
errz -= abs_y;
z += incz;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
}
else
{
// z is constant
if( abs_x > abs_y )
{
// x is longest
int erry = -abs_x / 2;
int incy = del_y < 0 ? -1 : 1;
int incx = del_x < 0 ? -1 : 1;
{
int y = v1y;
int z = v1z;
for( int x = v1x + incx; x != v2x; x += incx )
{
erry += abs_y;
if( erry > 0 )
{
erry -= abs_x;
y += incy;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
else
{
// y is longest.
int errx = -abs_y / 2;
int incy = del_y < 0 ? -1 : 1;
int incx = del_x < 0 ? -1 : 1;
// z is longest path
{
int x = v1x;
int z = v1x;
for( int y = v1y + incy; y != v2y; y += incy )
{
errx += abs_x;
if( errx > 0 )
{
errx -= abs_y;
x += incx;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
}
}
else
{
if( del_z != 0 )
{
if( abs_x > abs_z )
{
// x is longest.
int errz = -abs_x / 2;
int incx = del_x < 0 ? -1 : 1;
int incz = del_z < 0 ? -1 : 1;
{
int y = v1y;
int z = v1z;
for( int x = v1x + incx; x != v2x; x += incx )
{
errz += abs_z;
if( errz > 0 )
{
errz -= abs_x;
z += incx;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
else
{
// z is longest path
int errx = -abs_z / 2;
int incx = del_x < 0 ? -1 : 1;
int incz = del_z < 0 ? -1 : 1;
{
int x = v1x;
int y = v1y;
for( int z = v1z + incz; z != v2z; z += incz )
{
errx += abs_x;
if( errx > 0 )
{
errx -= abs_z;
x += incx;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
}
else
{
// x is only changing.
int incx = del_x < 0 ? -1 : 1;
for( int x = v1x + incx; x != v2x; x += incx )
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, v1y, v1z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
else
{
if( del_y != 0 )
{
if( del_z != 0 )
{
if( abs_y > abs_z )
{
// y is longest.
int errz = -abs_y / 2;
int incy = del_y < 0 ? -1 : 1;
int incz = del_z < 0 ? -1 : 1;
{
int x = v1x;
int z = v1x;
for( int y = v1y + incy; y != v2y; y += incy )
{
errz += abs_z;
if( errz > 0 )
{
errz -= abs_y;
z += incz;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
else
{
// z is longest path
int erry = -abs_z / 2;
int incy = del_y < 0 ? -1 : 1;
int incz = del_z < 0 ? -1 : 1;
{
int x = v1x;
int y = v1y;
for( int z = v1z + incz; z != v2z; z += incz )
{
erry += abs_y;
if( erry > 0 )
{
erry -= abs_z;
y += incy;
}
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, x, y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
}
}
else
{
// no del_x, no del_z
// y is only changing.
int incy = del_y < 0 ? -1 : 1;
for( int y = v1y + incy; y != v2y; y += incy )
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, v1x, y, v1z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
}
else
{
// no del_x, no del_y...
if( del_z != 0 )
{
if( del_z > 0 )
for( int z = v1z + 1; z < v2z; z++ )
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, v1x, v1y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
else
for( int z = v2z + 1; z < v1z; z++ )
{
int val;
VoxelRef v;
if( World.GetVoxelRef( out v, v1x, v1y, z ) )
{
val = f( ref v );
if( ( !not_zero && val != 0 ) || ( not_zero && val == 0 ) )
return val;
}
}
}
else
{
// no delta diff, nothing to do.
}
}
}
return not_zero ? 1 : 0;
}
public ForEachVisitor(GraphProcessor processor, ForEachCallback handler) : base(processor)
{
alreadyVisited = new Hashtable();
this.handler = handler;
}
public override int ForEach(ForEachCallback callback)
{
throw this.exceptionToThrow;
}
/// <summary>
/// For each with upgradableReadLock set to false.
/// </summary>
/// <param name="doThat">The callback for each instance.</param>
public void ForEach(ForEachCallback doThat)
{
this.ForEach(false, doThat);
}
public ForEachVisitor(GraphProcessor processor, ForEachCallback handler)
: base(processor)
{
alreadyVisited = new Hashtable();
this.handler = handler;
}
/// <summary> /// Requests that this backend enumerate all items in the backing store. /// </summary> public abstract int ForEach(ForEachCallback callback);
public static void ForEach(MethodBodyBlock method, ForEachCallback handler)
{
GraphProcessor graphProcessor = new GraphProcessor();
Visitor visitor = new ForEachVisitor(graphProcessor,handler);
visitor.AddTask(method,null);
graphProcessor.Process();
}
public ForeachState(GitOdbBackend.foreach_callback_callback cb, IntPtr data)
{
this.cb = cb;
this.data = data;
this.ManagedCallback = CallbackMethod;
}
private int ForEachInternal(object query, ForEachCallback callback)
{
var curPage = 0;
var pageSize = 10;
var collectedResults = 0;
// TODO better and more stable paging strategy
while (true)
{
var q = new
{
query = query,
from = curPage * pageSize,
size = pageSize,
fields = new string[] { }, // force returning only the ID
};
var results = client.Search<GO>(q, client.DefaultIndexName, GitObjectsType);
if (results == null) // TODO smarter error handling
{
return (int)ReturnCode.GIT_OK;
}
if (results.hits.hits.Select(hit => callback(new ObjectId(hit._id))).Any(ret => ret != (int)ReturnCode.GIT_OK))
{
return (int)ReturnCode.GIT_EUSER;
}
collectedResults += results.hits.hits.Count;
if (results.hits.hits.Count < pageSize || collectedResults == results.hits.total)
break;
curPage++;
}
return (int)ReturnCode.GIT_OK;
}
