/// <summary>
/// Put binary types to Grid.
/// </summary>
/// <param name="types">Binary types.</param>
public void PutBinaryTypes(ICollection <BinaryType> types)
{
DoOutOp((int)Op.PutMeta, w =>
{
w.WriteInt(types.Count);
foreach (var meta in types)
{
w.WriteInt(meta.TypeId);
w.WriteString(meta.TypeName);
w.WriteString(meta.AffinityKeyFieldName);
var fields = meta.GetFieldsMap();
w.WriteInt(fields.Count);
foreach (var field in fields)
{
w.WriteString(field.Key);
w.WriteInt(field.Value.TypeId);
w.WriteInt(field.Value.FieldId);
}
// Enum data
w.WriteBoolean(meta.IsEnum);
if (meta.IsEnum)
{
if (meta.EnumValuesMap != null)
{
w.WriteInt(meta.EnumValuesMap.Count);
foreach (var pair in meta.EnumValuesMap)
{
w.WriteString(pair.Key);
w.WriteInt(pair.Value);
}
}
else
{
w.WriteInt(0);
}
}
// Send schemas
var desc = meta.Descriptor;
Debug.Assert(desc != null);
var count = 0;
var countPos = w.Stream.Position;
w.WriteInt(0); // Reserve for count
foreach (var schema in desc.Schema.GetAll())
{
w.WriteInt(schema.Key);
var ids = schema.Value;
w.WriteInt(ids.Length);
foreach (var id in ids)
{
w.WriteInt(id);
}
count++;
}
w.Stream.WriteInt(countPos, count);
}
});
Marshaller.OnBinaryTypesSent(types);
}
/// <summary>
/// Gets the type name by id.
/// </summary>
/// <param name="id">The identifier.</param>
/// <returns>Type or null.</returns>
public string GetTypeName(int id)
{
return(DoOutInOp((int)Op.GetType, w => w.WriteInt(id), r => Marshaller.StartUnmarshal(r).ReadString()));
}
/// <summary>
/// Gets the Ignite-specific hash code for the provided value.
/// </summary>
public static unsafe int GetHashCode <T>(T val, Marshaller marsh, IDictionary <int, int> affinityKeyFieldIds)
{
Debug.Assert(marsh != null);
Debug.Assert(val != null);
var type = val.GetType();
if (type == typeof(int))
{
return(TypeCaster <int> .Cast(val));
}
if (type == typeof(long))
{
return(GetLongHashCode(TypeCaster <long> .Cast(val)));
}
if (type == typeof(bool))
{
return(TypeCaster <bool> .Cast(val) ? 1231 : 1237);
}
if (type == typeof(byte))
{
return(TypeCaster <byte> .Cast(val));
}
if (type == typeof(short))
{
return(TypeCaster <short> .Cast(val));
}
if (type == typeof(char))
{
return(TypeCaster <char> .Cast(val));
}
if (type == typeof(float))
{
var floatVal = TypeCaster <float> .Cast(val);
return(*(int *)&floatVal);
}
if (type == typeof(double))
{
var doubleVal = TypeCaster <double> .Cast(val);
return(GetLongHashCode(*(long *)&doubleVal));
}
if (type == typeof(sbyte))
{
var val0 = TypeCaster <sbyte> .Cast(val);
return(*(byte *)&val0);
}
if (type == typeof(ushort))
{
var val0 = TypeCaster <ushort> .Cast(val);
return(*(short *)&val0);
}
if (type == typeof(uint))
{
var val0 = TypeCaster <uint> .Cast(val);
return(*(int *)&val0);
}
if (type == typeof(ulong))
{
var val0 = TypeCaster <ulong> .Cast(val);
return(GetLongHashCode(*(long *)&val0));
}
if (type == typeof(IntPtr))
{
var val0 = TypeCaster <IntPtr> .Cast(val).ToInt64();
return(GetLongHashCode(val0));
}
if (type == typeof(UIntPtr))
{
var val0 = TypeCaster <UIntPtr> .Cast(val).ToUInt64();
return(GetLongHashCode(*(long *)&val0));
}
if (type == typeof(Guid))
{
return(GetGuidHashCode(TypeCaster <Guid> .Cast(val)));
}
// DateTime, when used as key, is always written as BinaryObject.
return(GetComplexTypeHashCode(val, marsh, affinityKeyFieldIds));
}
/// <summary>
/// Initializes a new instance of the <see cref="BinaryProcessor"/> class.
/// </summary>
/// <param name="target">Target.</param>
/// <param name="marsh">Marshaller.</param>
public BinaryProcessor(IUnmanagedTarget target, Marshaller marsh) : base(target, marsh)
{
// No-op.
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="marsh">Marshaller.</param>
internal IgniteBinary(Marshaller marsh)
{
_marsh = marsh;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="marsh">Marshaller.</param>
/// <param name="stream">Stream.</param>
internal BinaryWriter(Marshaller marsh, IBinaryStream stream)
{
_marsh = marsh;
_stream = stream;
}
/** <inheritDoc /> */
public int GetTypeId(string typeName)
{
IgniteArgumentCheck.NotNullOrEmpty(typeName, "typeName");
return(Marshaller.GetDescriptor(typeName).TypeId);
}
/** <inheritDoc /> */
public IBinaryType GetBinaryType(int typeId)
{
return(Marshaller.GetBinaryType(typeId));
}
/** <inheritdoc /> */
int IBinaryEqualityComparer.GetHashCode(IBinaryStream stream, int startPos, int length,
BinaryObjectSchemaHolder schema, int schemaId, Marshaller marshaller, IBinaryTypeDescriptor desc)
{
Debug.Assert(stream != null);
Debug.Assert(startPos >= 0);
Debug.Assert(length >= 0);
Debug.Assert(schema != null);
Debug.Assert(marshaller != null);
Debug.Assert(desc != null);
Validate();
stream.Flush();
// Preserve stream position.
var pos = stream.Position;
var reader = marshaller.StartUnmarshal(stream, BinaryMode.ForceBinary);
var fields = schema.GetFullSchema(schemaId);
int hash = 0;
foreach (var fieldName in FieldNames)
{
int fieldId = BinaryUtils.FieldId(desc.TypeId, fieldName, desc.NameMapper, desc.IdMapper);
int fieldHash = 0; // Null (missing) field hash code is 0.
int fieldPos;
if (fields.TryGetValue(fieldId, out fieldPos))
{
stream.Seek(startPos + fieldPos - BinaryObjectHeader.Size, SeekOrigin.Begin);
var fieldVal = reader.Deserialize <object>();
fieldHash = fieldVal != null?fieldVal.GetHashCode() : 0;
}
hash = 31 * hash + fieldHash;
}
// Restore stream position.
stream.Seek(pos, SeekOrigin.Begin);
return(hash);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="marsh">Marshaller.</param>
internal Binary(Marshaller marsh)
{
_marsh = marsh;
}
/// <summary>
/// Gets the Ignite-specific hash code for an array.
/// </summary>
private static int GetArrayHashCode <T>(T val, Marshaller marsh, IDictionary <int, int> affinityKeyFieldIds)
{
var res = 1;
var bytes = val as sbyte[]; // Matches byte[] too.
if (bytes != null)
{
foreach (var x in bytes)
{
res = 31 * res + x;
}
return(res);
}
var ints = val as int[]; // Matches uint[] too.
if (ints != null)
{
foreach (var x in ints)
{
res = 31 * res + x;
}
return(res);
}
var longs = val as long[]; // Matches ulong[] too.
if (longs != null)
{
foreach (var x in longs)
{
res = 31 * res + GetLongHashCode(x);
}
return(res);
}
var guids = val as Guid[];
if (guids != null)
{
foreach (var x in guids)
{
res = 31 * res + GetGuidHashCode(x);
}
return(res);
}
var shorts = val as short[]; // Matches ushort[] too.
if (shorts != null)
{
foreach (var x in shorts)
{
res = 31 * res + x;
}
return(res);
}
var chars = val as char[];
if (chars != null)
{
foreach (var x in chars)
{
res = 31 * res + x;
}
return(res);
}
// This covers all other arrays.
// We don't have special handling for unlikely use cases such as float[] and double[].
var arr = val as Array;
Debug.Assert(arr != null);
if (arr.Rank != 1)
{
throw new IgniteException(
string.Format("Failed to compute hash code for object '{0}' of type '{1}': " +
"multidimensional arrays are not supported", val, val.GetType()));
}
foreach (var element in arr)
{
res = 31 * res + (element == null ? 0 : GetHashCode(element, marsh, affinityKeyFieldIds));
}
return(res);
}
/// <summary>
/// Reads the unregistered type.
/// </summary>
private Type ReadUnregisteredType(Type knownType)
{
var typeName = ReadString(); // Must read always.
return(knownType ?? Marshaller.ResolveType(typeName));
}
/// <summary>
/// Reads the schema according to this header data.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="position">The position.</param>
/// <param name="hdr">The header.</param>
/// <param name="schema">The schema.</param>
/// <param name="marsh">The marshaller.</param>
/// <returns>
/// Schema.
/// </returns>
public static BinaryObjectSchemaField[] ReadSchema(IBinaryStream stream, int position, BinaryObjectHeader hdr,
BinaryObjectSchema schema, Marshaller marsh)
{
Debug.Assert(stream != null);
Debug.Assert(schema != null);
Debug.Assert(marsh != null);
return(ReadSchema(stream, position, hdr, () => GetFieldIds(hdr, schema, marsh)));
}
/// <summary>
/// Gets the field ids.
/// </summary>
private static int[] GetFieldIds(BinaryObjectHeader hdr, BinaryObjectSchema schema, Marshaller marsh)
{
var fieldIds = schema.Get(hdr.SchemaId);
if (fieldIds == null)
{
Debug.Assert(hdr.TypeId != BinaryUtils.TypeUnregistered);
if (marsh.Ignite != null)
{
fieldIds = marsh.Ignite.BinaryProcessor.GetSchema(hdr.TypeId, hdr.SchemaId);
}
if (fieldIds == null)
{
throw new BinaryObjectException("Cannot find schema for object with compact footer [" +
"typeId=" + hdr.TypeId + ", schemaId=" + hdr.SchemaId + ']');
}
}
return(fieldIds);
}
/// <summary>
/// Gets the field ids.
/// </summary>
private static int[] GetFieldIds(BinaryObjectHeader hdr, BinaryObjectSchema schema, Marshaller marsh)
{
var fieldIds = schema.Get(hdr.SchemaId);
if (fieldIds == null)
{
if (marsh.Ignite != null)
{
fieldIds = marsh.Ignite.ClusterGroup.GetSchema(hdr.TypeId, hdr.SchemaId);
}
if (fieldIds == null)
{
throw new BinaryObjectException("Cannot find schema for object with compact footer [" +
"typeId=" + hdr.TypeId + ", schemaId=" + hdr.SchemaId + ']');
}
}
return(fieldIds);
}
