public override PSMemberInfo Copy()
{
PSPropertySet destiny = new PSPropertySet(base.name, this.referencedPropertyNames);
base.CloneBaseProperties(destiny);
return(destiny);
}
public override PSMemberInfo Copy()
{
PSPropertySet psPropertySet = new PSPropertySet(this.name, (IEnumerable <string>) this.referencedPropertyNames);
this.CloneBaseProperties((PSMemberInfo)psPropertySet);
return((PSMemberInfo)psPropertySet);
}
/// <summary>
/// Gets property records from the item.
/// </summary>
/// <param name="item">The item from which properties are retrieved.</param>
protected override void ProcessItem(PSObject item)
{
var path = item.GetPropertyValue<string>("PSPath");
var providerPath = this.SessionState.Path.GetUnresolvedProviderPathFromPSPath(path);
var db = this.OpenDatabase(providerPath);
if (null != db)
{
// Keep track of which properties were selected.
IList<string> properties = null;
if (this.PassThru)
{
properties = new List<string>();
}
using (db)
{
TransformView transform = null;
if (db.Tables.Contains(TransformView.TableName))
{
transform = new TransformView(db);
}
var table = "Property";
if ((db is PatchPackage) && db.Tables.Contains("MsiPatchMetadata"))
{
table = "MsiPatchMetadata";
}
var query = string.Format("SELECT `Property`, `Value` FROM `{0}`", table);
using (var view = db.OpenView(query))
{
view.Execute();
// Get column information from the view before being disposed.
var columns = ViewManager.GetColumns(view);
var record = view.Fetch();
while (null != record)
{
using (record)
{
var name = record.GetString(1);
if (0 == this.propertyPatterns.Count() || name.Match(this.propertyPatterns))
{
if (this.PassThru)
{
if (0 == item.Properties.Match(name).Count())
{
properties.Add(name);
var property = new PSNoteProperty(name, record.GetString(2));
item.Properties.Add(property, true);
}
}
else
{
// Create a locally cached copy of the record.
var copy = new Record(record, columns, transform, providerPath);
var obj = PSObject.AsPSObject(copy);
// Show only column properties by default.
var memberSet = ViewManager.GetMemberSet(view);
obj.Members.Add(memberSet, true);
base.WriteObject(obj);
}
}
}
record = view.Fetch();
}
}
}
if (this.PassThru)
{
var propertySet = new PSPropertySet("MSIProperties", properties);
item.Members.Add(propertySet, true);
base.WriteObject(item);
}
}
}
/// <summary>
/// Creates and caches an instance of the "PSStandardMembers" <see cref="PSMemberSet"/> to attach to a <see cref="Record"/>.
/// </summary>
/// <param name="view">The <see cref="View"/> from which column information is retrieved.</param>
/// <returns>A new or cached copy of the "PSStandardMembers" <see cref="PSMemberSet"/>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="view"/> parameter value is null.</exception>
internal static PSMemberSet GetMemberSet(View view)
{
if (null == view)
{
throw new ArgumentNullException("view");
}
PSMemberSet memberSet;
if (memberSets.ContainsKey(view.QueryString) && memberSets[view.QueryString].IsAlive)
{
// Get an existing PSMemberSet.
memberSet = (PSMemberSet)memberSets[view.QueryString].Target;
}
else
{
// Add or set a new PSMemberSet.
memberSet = new PSMemberSet("PSStandardMembers");
var columns = ViewManager.GetColumns(view).Select(column => column.Key);
var properties = new PSPropertySet("DefaultDisplayPropertySet", columns);
memberSet.Members.Add(properties);
columns = ViewManager.GetColumns(view).PrimaryKeys;
if (0 < columns.Count())
{
properties = new PSPropertySet("DefaultKeyPropertySet", columns);
memberSet.Members.Add(properties);
}
memberSets[view.QueryString] = new WeakReference(memberSet);
}
return memberSet;
}
public override PSMemberInfo Copy()
{
PSPropertySet destiny = new PSPropertySet(base.name, this.referencedPropertyNames);
base.CloneBaseProperties(destiny);
return destiny;
}
