/// <summary>
/// Gets the <see cref="I:System.Collections.Generic.IEnumerable{System.String}" /> of matched component uris
/// </summary>
/// <param name="brokerQuery"><see cref="T:TcmCDService.Contracts.BrokerQuery" /></param>
/// <returns>
/// <see cref="I:System.Collections.Generic.IEnumerable{System.String}" />
/// </returns>
public IEnumerable <String> BrokerQuery(Contracts.BrokerQuery brokerQuery)
{
Logger.Debug("BrokerQuery: brokerQuery \"{0}\".", brokerQuery != null ? "<Object>" : String.Empty);
return(ContentDelivery.DynamicContent.Query.QueryCache.Execute(brokerQuery));
}
/// <summary>
/// Gets the <see cref="I:System.Collections.Generic.IEnumerable{TcmCDService.Contracts.ComponentPresentation}" /> of matched components
/// </summary>
/// <param name="brokerQuery"><see cref="T:TcmCDService.Contracts.BrokerQuery" /></param>
/// <returns>
/// <see cref="I:System.Collections.Generic.IEnumerable{TcmCDService.Contracts.ComponentPresentation}" />
/// </returns>
public IEnumerable <Contracts.ComponentPresentation> BrokerQueryPresentations(Contracts.BrokerQuery brokerQuery)
{
Logger.Debug("BrokerQueryPresentations: brokerQueries \"{0}\".", brokerQuery != null ? "<Object>" : String.Empty);
return(ContentDelivery.DynamicContent.Query.QueryCache.Execute(brokerQuery).Select(u => this.ComponentPresentationWithHighestPriority(u)));
}
/// <summary>
/// Executes the specified <see cref="T:TcmCDService.Contracts.BrokerQuery" />
/// </summary>
/// <param name="brokerQuery"><see cref="T:TcmCDService.Contracts.BrokerQuery" /></param>
/// <returns><see cref="I:System.Collections.Generic.IEnumerable{System.String}" /></returns>
public static IEnumerable<String> Execute(BrokerQuery brokerQuery)
{
if (brokerQuery != null)
{
List<IDisposable> disposableItems = new List<IDisposable>();
List<Criteria> criteria = new List<Criteria>();
try
{
// Query for ItemType: Component
if (brokerQuery.ItemType != 0)
criteria.Add(new ItemTypeCriteria((int)brokerQuery.ItemType));
// Query for Publication
if (!String.IsNullOrEmpty(brokerQuery.Publication))
criteria.Add(new PublicationCriteria(new TcmUri(brokerQuery.Publication).ItemId));
// Query based on Schema
if (brokerQuery.SchemaUris != null && brokerQuery.SchemaUris.Any())
criteria.Add(CriteriaFactory.Or(brokerQuery.SchemaUris.Select((u) =>
{
ItemSchemaCriteria itemSchemaCriteria = new ItemSchemaCriteria(new TcmUri(u).ItemId);
disposableItems.Add(itemSchemaCriteria);
return itemSchemaCriteria;
}).ToArray()));
// Query based on Component Template
if (!String.IsNullOrEmpty(brokerQuery.ComponentTemplateUri))
criteria.Add(new ItemTemplateCriteria(new TcmUri(brokerQuery.ComponentTemplateUri).ItemId));
// Add any SubQuery entries (MetaQuery or KeywordQueries which are specified)
if (brokerQuery.SubQueries != null && brokerQuery.SubQueries.Any())
criteria.AddRange(brokerQuery.SubQueries.Where(q => q != null).Select((q) =>
{
Criteria subCriteria = q is MetaQuery ? ToCriteria(q as MetaQuery) : ToCriteria(q as KeywordQuery);
disposableItems.Add(subCriteria);
return subCriteria;
}));
using (Tridion.ContentDelivery.DynamicContent.Query.Query query = new Tridion.ContentDelivery.DynamicContent.Query.Query(CriteriaFactory.And(criteria.ToArray())))
{
// Limit the amount of results
using (LimitFilter filter = new LimitFilter(brokerQuery.ResultLimit.GetValueOrDefault(100)))
{
query.SetResultFilter(filter);
query.AddSorting(new SortParameter(SortParameter.ItemModificationDate, SortParameter.Descending));
return query.ExecuteQuery();
}
}
}
finally
{
// Ensure all created Java objects are disposed
foreach (Criteria entry in criteria)
{
if (entry != null)
entry.Dispose();
}
foreach (IDisposable entry in disposableItems)
{
if (entry != null)
entry.Dispose();
}
}
}
return new String[] { };
}
