protected AbstractJavaScriptIndex(IndexDefinition definition, RavenConfiguration configuration, Action <List <string> > modifyMappingFunctions, string mapCode, long indexVersion)
{
Definition = definition;
var indexConfiguration = new SingleIndexConfiguration(definition.Configuration, configuration);
// we create the Jint instance directly instead of using SingleRun
// because the index is single threaded and long lived
var resolver = new JintPreventResolvingTasksReferenceResolver();
_engine = new Engine(options =>
{
options.LimitRecursion(64)
.SetReferencesResolver(resolver)
.MaxStatements(indexConfiguration.MaxStepsForScript)
.Strict(configuration.Patching.StrictMode)
.AddObjectConverter(new JintGuidConverter())
.AddObjectConverter(new JintStringConverter())
.AddObjectConverter(new JintEnumConverter())
.AddObjectConverter(new JintDateTimeConverter())
.AddObjectConverter(new JintTimeSpanConverter())
.LocalTimeZone(TimeZoneInfo.Utc);
});
using (_engine.DisableMaxStatements())
{
var maps = GetMappingFunctions(modifyMappingFunctions);
var mapReferencedCollections = InitializeEngine(definition, maps, mapCode);
var definitions = GetDefinitions();
ProcessMaps(definitions, resolver, maps, mapReferencedCollections, out var collectionFunctions);
ProcessReduce(definition, definitions, resolver, indexVersion);
ProcessFields(definition, collectionFunctions);
}
_javaScriptUtils = new JavaScriptUtils(null, _engine);
}
internal IndexCreationOptions GetIndexCreationOptions(object indexDefinition, Index existingIndex)
{
if (existingIndex == null)
{
return(IndexCreationOptions.Create);
}
//if (existingIndex.Definition.IsTestIndex) // TODO [ppekrol]
// return IndexCreationOptions.Update;
var result = IndexDefinitionCompareDifferences.None;
var indexDef = indexDefinition as IndexDefinition;
if (indexDef != null)
{
result = existingIndex.Definition.Compare(indexDef);
}
var indexDefBase = indexDefinition as IndexDefinitionBase;
if (indexDefBase != null)
{
result = existingIndex.Definition.Compare(indexDefBase);
}
if (result == IndexDefinitionCompareDifferences.All)
{
return(IndexCreationOptions.Update);
}
result &= ~IndexDefinitionCompareDifferences.IndexId; // we do not care about IndexId
if (result == IndexDefinitionCompareDifferences.None)
{
return(IndexCreationOptions.Noop);
}
if (result.HasFlag(IndexDefinitionCompareDifferences.Maps) || result.HasFlag(IndexDefinitionCompareDifferences.Reduce))
{
return(IndexCreationOptions.Update);
}
if (result.HasFlag(IndexDefinitionCompareDifferences.Fields))
{
return(IndexCreationOptions.Update);
}
if (result.HasFlag(IndexDefinitionCompareDifferences.Configuration))
{
var currentConfiguration = existingIndex.Configuration as SingleIndexConfiguration;
if (currentConfiguration == null) // should not happen
{
return(IndexCreationOptions.Update);
}
var newConfiguration = new SingleIndexConfiguration(indexDef.Configuration, _documentDatabase.Configuration);
var configurationResult = currentConfiguration.CalculateUpdateType(newConfiguration);
switch (configurationResult)
{
case IndexUpdateType.None:
break;
case IndexUpdateType.Refresh:
return(IndexCreationOptions.UpdateWithoutUpdatingCompiledIndex);
case IndexUpdateType.Reset:
return(IndexCreationOptions.Update);
default:
throw new ArgumentOutOfRangeException();
}
}
if (result.HasFlag(IndexDefinitionCompareDifferences.MapsFormatting) || result.HasFlag(IndexDefinitionCompareDifferences.ReduceFormatting))
{
return(IndexCreationOptions.UpdateWithoutUpdatingCompiledIndex);
}
return(IndexCreationOptions.Update);
}
