/// <summary>
/// Initializes a new instance of the <see cref="TermsCriteria"/> class.
/// </summary>
/// <param name="termsOperator">Type of execution mode this terms criteria will take.</param>
/// <param name="field">Field to be checked for this term.</param>
/// <param name="member">Property or field being checked for this term.</param>
/// <param name="values">Constant values being searched for.</param>
TermsCriteria(TermsOperator termsOperator, string field, MemberInfo member, IEnumerable <object> values)
: base(field)
{
Operator = termsOperator;
Member = member;
Values = new ReadOnlyCollection <object>(values.ToArray());
}
/// <summary>
/// Builds a <see cref="TermsCriteria"/>
/// </summary>
/// <param name="termsOperator">The terms execution mode (optional). Only used when a <see cref="TermsCriteria"/> is returned.</param>
/// <param name="field">The field that's being searched.</param>
/// <param name="member">The member information for the field.</param>
/// <param name="values">The values to be matched.</param>
/// <returns>Returns a <see cref="TermsCriteria"/> object.</returns>
internal static ICriteria Build(TermsOperator termsOperator, string field, MemberInfo member, IEnumerable <object> values)
{
Argument.EnsureNotNull(nameof(values), values);
var hashValues = new HashSet <object>(values);
return(new TermsCriteria(termsOperator, field, member, hashValues));
}
/// <summary>
/// Builds a <see cref="TermsCriteria"/>
/// </summary>
/// <param name="termsOperator">The terms operator.</param>
/// <param name="field">The field that's being searched.</param>
/// <param name="member">The member information for the field.</param>
/// <param name="values">The values to be matched.</param>
/// <returns>Returns a <see cref="TermsCriteria"/> object.</returns>
internal static ICriteria Build(TermsOperator termsOperator, string field, MemberInfo member, params object[] values)
{
return(Build(termsOperator, field, member, values.AsEnumerable()));
}
Expression VisitContains(string methodName, Expression left, Expression right, TermsOperator executionMode)
{
var cm = ConstantMemberPair.Create(left, right);
if (cm != null)
{
var values = ((IEnumerable)cm.ConstantExpression.Value).Cast <object>().ToArray();
return(new CriteriaExpression(TermsCriteria.Build(executionMode, Mapping.GetFieldName(SourceType, cm.MemberExpression), cm.MemberExpression.Member, values)));
}
throw new NotSupportedException(methodName + " must be between a Member and a Constant");
}
