/// <summary>
/// Calculates and returns the integer hashcode which
/// should be unique for any combination of type and operation
/// </summary>
/// <param name="type"></param>
/// <param name="op"></param>
/// <returns></returns>
public static int GetHashCode(DBSchemaTypes type, DBSchemaOperation op)
{
int val = (int)type;
val = val << 16;
val += (int)op;
return(val);
}
/// <summary>
/// Check if this database supports a specific operation on the database.
/// </summary>
/// <param name="schema"></param>
/// <param name="op"></param>
/// <returns></returns>
public bool CheckSupports(DBSchemaTypes schema, DBSchemaOperation op)
{
if (this.UnsupportedOps.Contains(schema, op))
{
return(false);
}
else
{
return(CheckSupports(schema));
}
}
/// <summary>
/// Returns true if this collection contains a TypedOperation that matches the parameters
/// </summary>
/// <param name="type"></param>
/// <param name="operation"></param>
/// <returns></returns>
public bool Contains(DBSchemaTypes type, DBSchemaOperation operation)
{
TypedOperation value;
int hash = TypedOperation.GetHashCode(type, operation);
if (_ops.TryGetValue(hash, out value))
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Create a new TypedOperation
/// </summary>
/// <param name="type"></param>
/// <param name="op"></param>
public TypedOperation(DBSchemaTypes type, DBSchemaOperation op)
{
this.Type = type;
this.Operation = op;
}
/// <summary>
/// Removes a TypedOperation from this collection that has a type and operation matching the parameters
/// </summary>
/// <param name="type"></param>
/// <param name="operation"></param>
public void Remove(DBSchemaTypes type, DBSchemaOperation operation)
{
TypedOperation value = new TypedOperation(type, operation);
this.Remove(value);
}
/// <summary>
/// Adds a new TypedOperation to the collection based on the type and operation
/// </summary>
/// <param name="type"></param>
/// <param name="operation"></param>
public void Add(DBSchemaTypes type, DBSchemaOperation operation)
{
TypedOperation value = new TypedOperation(type, operation);
this.Add(value);
}
