/// <summary>
/// Warning: adds new parameters to the argument by side-effect, as well as mutating the query expression tree!
/// </summary>
protected override IQueryExpression ExpandParameters(IDictionary <string, TypedValue> namedParamsCopy)
{
if (namedParameterLists.Count == 0)
{
// Short circuit straight out
return(QueryExpression);
}
// Build a map from single parameters to lists
var map = new Dictionary <string, IList <string> >();
foreach (var me in namedParameterLists)
{
var name = me.Key;
var vals = (IEnumerable)me.Value.Value;
var type = me.Value.Type;
var typedValues = (from object value in vals
select new TypedValue(type, value, Session.EntityMode))
.ToList();
if (typedValues.Count == 1)
{
namedParamsCopy[name] = typedValues[0];
continue;
}
var aliases = new string[typedValues.Count];
var isJpaPositionalParam = parameterMetadata.GetNamedParameterDescriptor(name).JpaStyle;
for (var index = 0; index < typedValues.Count; index++)
{
var value = typedValues[index];
var alias = (isJpaPositionalParam ? 'x' + name : name + StringHelper.Underscore) + index + StringHelper.Underscore;
namedParamsCopy[alias] = value;
aliases[index] = alias;
}
map.Add(name, aliases);
}
//TODO: Do we need to translate expression one more time here?
var newTree = ParameterExpander.Expand(QueryExpression.Translate(Session.Factory, false), map);
var key = new StringBuilder(QueryExpression.Key);
foreach (var pair in map)
{
key.Append(' ');
key.Append(pair.Key);
key.Append(':');
foreach (var s in pair.Value)
{
key.Append(s);
}
}
return(new ExpandedQueryExpression(QueryExpression, newTree, key.ToString()));
}
/// <summary>
/// Warning: adds new parameters to the argument by side-effect, as well as mutating the query expression tree!
/// </summary>
protected IQueryExpression ExpandParameters(IDictionary <string, TypedValue> namedParamsCopy)
{
if (namedParameterLists.Count == 0)
{
// Short circuit straight out
return(QueryExpression);
}
// Build a map from single parameters to lists
var map = new Dictionary <string, List <string> >();
foreach (var me in namedParameterLists)
{
string name = me.Key;
var vals = (ICollection)me.Value.Value;
var type = me.Value.Type;
if (vals.Count == 1)
{
// No expansion needed here
var iter = vals.GetEnumerator();
iter.MoveNext();
namedParamsCopy[name] = new TypedValue(type, iter.Current, Session.EntityMode);
continue;
}
var aliases = new List <string>();
var i = 0;
var isJpaPositionalParam = parameterMetadata.GetNamedParameterDescriptor(name).JpaStyle;
foreach (var obj in vals)
{
var alias = (isJpaPositionalParam ? 'x' + name : name + StringHelper.Underscore) + i++ + StringHelper.Underscore;
namedParamsCopy[alias] = new TypedValue(type, obj, Session.EntityMode);
aliases.Add(alias);
}
map.Add(name, aliases);
}
var newTree = ParameterExpander.Expand(QueryExpression.Translate(Session.Factory), map);
var key = new StringBuilder(QueryExpression.Key);
map.Aggregate(key, (sb, kvp) =>
{
sb.Append(' ');
sb.Append(kvp.Key);
sb.Append(':');
kvp.Value.Aggregate(sb, (sb2, str) => sb2.Append(str));
return(sb);
});
return(new ExpandedQueryExpression(QueryExpression, newTree, key.ToString()));
}
public static IASTNode Expand(IASTNode tree, Dictionary <string, IList <string> > map)
{
var expander = new ParameterExpander(tree, map);
return(expander.Expand());
}
/// <summary>
/// Warning: adds new parameters to the argument by side-effect, as well as mutating the query expression tree!
/// </summary>
protected override IQueryExpression ExpandParameters(IDictionary <string, TypedValue> namedParamsCopy)
{
if (namedParameterLists.Count == 0)
{
// Short circuit straight out
return(QueryExpression);
}
// Build a map from single parameters to lists
var map = new Dictionary <string, IList <string> >();
foreach (var me in namedParameterLists)
{
var name = me.Key;
var vals = (IEnumerable)me.Value.Value;
var type = me.Value.Type;
var typedValues = (from object value in vals
select new TypedValue(type, value, false))
.ToList();
if (typedValues.Count == 1)
{
namedParamsCopy[name] = typedValues[0];
continue;
}
var aliases = new string[typedValues.Count];
var isJpaPositionalParam = parameterMetadata.GetNamedParameterDescriptor(name).JpaStyle;
for (var index = 0; index < typedValues.Count; index++)
{
var value = typedValues[index];
var alias = (isJpaPositionalParam ? 'x' + name : name + StringHelper.Underscore) + index + StringHelper.Underscore;
namedParamsCopy[alias] = value;
aliases[index] = alias;
}
map.Add(name, aliases);
}
if (map.Count == 0)
{
// No list parameter needs to be replaced: they are all single valued. They just need
// to be retyped, which has been done above.
return(QueryExpression);
}
//TODO: Do we need to translate expression one more time here?
// This is not much an issue anymore: ExpressionQueryImpl are currently created only with NhLinqExpression
// which do cache their translation.
var newTree = ParameterExpander.Expand(QueryExpression.Translate(Session.Factory, _isFilter), map);
var key = new StringBuilder(QueryExpression.Key);
foreach (var pair in map)
{
key.Append(' ');
key.Append(pair.Key);
key.Append(':');
foreach (var s in pair.Value)
{
key.Append(s);
}
}
return(new ExpandedQueryExpression(QueryExpression, newTree, key.ToString()));
}
public static IASTNode Expand(IASTNode tree, Dictionary<string, IList<string>> map)
{
var expander = new ParameterExpander(tree, map);
return expander.Expand();
}