internal override Pair <MethodInfo, Expression[]> GetOperator()
{
Type sourceType = this.m_keySelector.Parameters[0].Type;
MethodInfo operation = TypeSystem.FindStaticMethod(
typeof(Microsoft.Research.DryadLinq.HpcLinqQueryable), "HashPartition",
new Type[] { typeof(IQueryable <>).MakeGenericType(sourceType),
m_keySelector.GetType(),
m_comparer.GetType(),
typeof(int) },
new Type[] { sourceType, typeof(TKey) });
Expression[] arguments = new Expression[] {
m_keySelector,
Expression.Constant(this.m_comparer, typeof(IEqualityComparer <TKey>)),
Expression.Constant(this.Count)
};
return(new Pair <MethodInfo, Expression[]>(operation, arguments));
}