private void BuildFilterDefinitions(DocumentMapping classMapping)
{
foreach (var defAttribute in AttributeUtil.GetAttributes <FullTextFilterDefAttribute>(classMapping.MappedClass, false))
{
classMapping.FullTextFilterDefinitions.Add(BuildFilterDef(defAttribute));
}
}
public IList <FilterDef> FullTextFilters(Type type)
{
return(AttributeUtil
.GetAttributes <FullTextFilterDefAttribute>(type, false)
.Select(CreateFilterDefinition)
.ToList());
}
private void BuildClass(
DocumentMapping documentMapping, bool isRoot,
string path, BuildContext context
)
{
IList <System.Type> hierarchy = new List <System.Type>();
System.Type currClass = documentMapping.MappedClass;
do
{
hierarchy.Add(currClass);
currClass = currClass.BaseType;
// NB Java stops at null we stop at object otherwise we process the class twice
// We also need a null test for things like ISet which have no base class/interface
} while (currClass != null && currClass != typeof(object));
for (int index = hierarchy.Count - 1; index >= 0; index--)
{
currClass = hierarchy[index];
/**
* Override the default analyzer for the properties if the class hold one
* That's the reason we go down the hierarchy
*/
// NB Must cast here as we want to look at the type's metadata
var localAnalyzer = GetAnalyzer(currClass);
var analyzer = documentMapping.Analyzer ?? localAnalyzer;
// Check for any ClassBridges
var classBridgeAttributes = AttributeUtil.GetAttributes <ClassBridgeAttribute>(currClass);
AttributeUtil.GetClassBridgeParameters(currClass, classBridgeAttributes);
// Now we can process the class bridges
foreach (var classBridgeAttribute in classBridgeAttributes)
{
var bridge = BuildClassBridge(classBridgeAttribute, analyzer);
documentMapping.ClassBridges.Add(bridge);
}
// NB As we are walking the hierarchy only retrieve items at this level
var propertyInfos = currClass.GetProperties(
BindingFlags.DeclaredOnly | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance
);
foreach (var propertyInfo in propertyInfos)
{
BuildProperty(documentMapping, propertyInfo, analyzer, isRoot, path, context);
}
var fields = currClass.GetFields(
BindingFlags.DeclaredOnly | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance
);
foreach (var fieldInfo in fields)
{
BuildProperty(documentMapping, fieldInfo, analyzer, isRoot, path, context);
}
}
}
private IFieldBridge GetFieldBridge(MemberInfo member)
{
var memberType = GetMemberType(member);
return(BridgeFactory.GuessType(
member.Name, memberType,
AttributeUtil.GetFieldBridge(member),
AttributeUtil.GetAttribute <DateBridgeAttribute>(member)
));
}
private FilterDef CreateFilterDefinition(FullTextFilterDefAttribute att)
{
try
{
Activator.CreateInstance(att.Impl);
}
catch (Exception ex)
{
throw new SearchException("Unable to create Filter class: " + att.Impl.FullName, ex);
}
var filterDefinition = new FilterDef
{
Name = att.Name,
Cache = att.Cache,
Impl = att.Impl
};
foreach (var method in filterDefinition.Impl.GetMethods())
{
if (AttributeUtil.HasAttribute <FactoryAttribute>(method))
{
if (filterDefinition.FactoryMethod != null)
{
throw new SearchException("Multiple Factory methods found " + filterDefinition.Name + ":" +
filterDefinition.Impl.FullName + "." + method.Name);
}
filterDefinition.FactoryMethod = method;
}
if (AttributeUtil.HasAttribute <KeyAttribute>(method))
{
if (filterDefinition.KeyMethod != null)
{
throw new SearchException("Multiple Key methods found " + filterDefinition.Name + ":" +
filterDefinition.Impl.FullName + "." + method.Name);
}
filterDefinition.KeyMethod = method;
}
}
foreach (var prop in filterDefinition.Impl.GetProperties())
{
if (AttributeUtil.HasAttribute <FilterParameterAttribute>(prop))
{
filterDefinition.Setters[prop.Name] = prop;
}
}
return(filterDefinition);
}
private FilterDef BuildFilterDef(FullTextFilterDefAttribute attribute)
{
var filterDef = new FilterDef
{
Name = attribute.Name,
Impl = attribute.Impl,
Cache = attribute.Cache
};
try {
Activator.CreateInstance(filterDef.Impl);
}
catch (Exception e) {
throw new SearchException("Unable to create Filter class: " + filterDef.Impl.FullName, e);
}
foreach (var method in filterDef.Impl.GetMethods())
{
if (AttributeUtil.HasAttribute <FactoryAttribute>(method))
{
if (filterDef.FactoryMethod != null)
{
throw new SearchException("Multiple Factory methods found " + filterDef.Name + ":" +
filterDef.Impl.FullName + "." + method.Name);
}
filterDef.FactoryMethod = method;
}
if (AttributeUtil.HasAttribute <KeyAttribute>(method))
{
if (filterDef.KeyMethod != null)
{
throw new SearchException("Multiple Key methods found " + filterDef.Name + ":" +
filterDef.Impl.FullName + "." + method.Name);
}
filterDef.KeyMethod = method;
}
}
// Use properties rather than the Java setter logic idea
foreach (PropertyInfo prop in filterDef.Impl.GetProperties())
{
if (AttributeUtil.HasAttribute <FilterParameterAttribute>(prop))
{
filterDef.AddSetter(prop);
}
}
return(filterDef);
}
private Analyzer GetAnalyzer(MemberInfo member)
{
var attribute = AttributeUtil.GetAttribute <AnalyzerAttribute>(member);
if (attribute == null)
{
return(null);
}
if (!typeof(Analyzer).IsAssignableFrom(attribute.Type))
{
throw new SearchException("Lucene analyzer not implemented by " + attribute.Type.FullName);
}
return(GetAnalyzerByType(attribute.Type));
}
private float?GetBoost(ICustomAttributeProvider member)
{
if (member == null)
{
return(null);
}
var boost = AttributeUtil.GetAttribute <BoostAttribute>(member);
if (boost == null)
{
return(null);
}
return(boost.Value);
}
public DocumentMapping Build(Type type)
{
var documentMapping = new DocumentMapping(type)
{
Boost = GetBoost(type),
IndexName = AttributeUtil.GetAttribute <IndexedAttribute>(type).Index
};
var context = new BuildContext
{
Root = documentMapping,
Processed = { type }
};
BuildClass(documentMapping, true, string.Empty, context);
BuildFilterDefinitions(documentMapping);
return(documentMapping);
}
public IAnalyzerDefinition Analyzer(ICustomAttributeProvider member)
{
return(AttributeUtil.GetAttribute <AnalyzerAttribute>(member));
}
public IDateBridgeDefinition DateBridge(MemberInfo member)
{
return(AttributeUtil.GetAttribute <DateBridgeAttribute>(member));
}
public bool HasContainedInDefinition(MemberInfo member)
{
return(AttributeUtil.HasAttribute <ContainedInAttribute>(member));
}
public IIndexedEmbeddedDefinition IndexedEmbedded(MemberInfo member)
{
return(AttributeUtil.GetAttribute <IndexedEmbeddedAttribute>(member));
}
public IList <IFieldDefinition> FieldDefinitions(MemberInfo member)
{
return(AttributeUtil.GetAttributes <FieldAttribute>(member));
}
public IDocumentIdDefinition DocumentId(MemberInfo member)
{
return(AttributeUtil.GetAttribute <DocumentIdAttribute>(member));
}
public IEnumerable <IParameterDefinition> BridgeParameters(ICustomAttributeProvider member)
{
return(AttributeUtil.GetAttributes <ParameterAttribute>(member) ?? Enumerable.Empty <IParameterDefinition>());
}
public IFieldBridgeDefinition FieldBridge(MemberInfo member)
{
return(AttributeUtil.GetAttribute <FieldBridgeAttribute>(member));
}
private void BuildProperty(
DocumentMapping documentMapping, MemberInfo member, Analyzer parentAnalyzer,
bool isRoot, string path, BuildContext context
)
{
IFieldBridge bridge = null;
var analyzer = GetAnalyzer(member) ?? parentAnalyzer;
var boost = GetBoost(member);
var getter = GetGetterFast(documentMapping.MappedClass, member);
var documentIdAttribute = AttributeUtil.GetAttribute <DocumentIdAttribute>(member);
if (documentIdAttribute != null)
{
string documentIdName = documentIdAttribute.Name ?? member.Name;
bridge = GetFieldBridge(member);
if (isRoot)
{
if (!(bridge is ITwoWayFieldBridge))
{
throw new SearchException("Bridge for document id does not implement TwoWayFieldBridge: " + member.Name);
}
documentMapping.DocumentId = new DocumentIdMapping(
documentIdName, member.Name, (ITwoWayFieldBridge)bridge, getter
)
{
Boost = boost
};
}
else
{
// Components should index their document id
documentMapping.Fields.Add(new FieldMapping(
GetAttributeName(member, documentIdName),
bridge, getter
)
{
Store = Attributes.Store.Yes,
Index = Attributes.Index.UnTokenized,
Boost = boost
});
}
}
var fieldAttributes = AttributeUtil.GetFields(member);
if (fieldAttributes.Length > 0)
{
if (bridge == null)
{
bridge = GetFieldBridge(member);
}
foreach (var fieldAttribute in fieldAttributes)
{
var fieldAnalyzer = GetAnalyzerByType(fieldAttribute.Analyzer) ?? analyzer;
var field = new FieldMapping(
GetAttributeName(member, fieldAttribute.Name),
bridge, getter
)
{
Store = fieldAttribute.Store,
Index = fieldAttribute.Index,
Analyzer = fieldAnalyzer
};
documentMapping.Fields.Add(field);
}
}
var embeddedAttribute = AttributeUtil.GetAttribute <IndexedEmbeddedAttribute>(member);
if (embeddedAttribute != null)
{
int oldMaxLevel = maxLevel;
int potentialLevel = embeddedAttribute.Depth + level;
if (potentialLevel < 0)
{
potentialLevel = int.MaxValue;
}
maxLevel = potentialLevel > maxLevel ? maxLevel : potentialLevel;
level++;
System.Type elementType = embeddedAttribute.TargetElement ?? GetMemberTypeOrGenericArguments(member);
var localPrefix = embeddedAttribute.Prefix == "." ? member.Name + "." : embeddedAttribute.Prefix;
if (maxLevel == int.MaxValue && context.Processed.Contains(elementType))
{
throw new SearchException(
string.Format(
"Circular reference, Duplicate use of {0} in root entity {1}#{2}",
elementType.FullName,
context.Root.MappedClass.FullName,
path + localPrefix));
}
if (level <= maxLevel)
{
context.Processed.Add(elementType); // push
var embedded = new EmbeddedMapping(new DocumentMapping(elementType)
{
Boost = GetBoost(member),
Analyzer = GetAnalyzer(member) ?? parentAnalyzer
}, getter)
{
Prefix = localPrefix
};
BuildClass(embedded.Class, false, path + localPrefix, context);
/**
* We will only index the "expected" type but that's OK, HQL cannot do downcasting either
*/
// ayende: because we have to deal with generic collections here, we aren't
// actually using the element type to determine what the value is, since that
// was resolved to the element type of the possible collection
Type actualFieldType = GetMemberTypeOrGenericCollectionType(member);
embedded.IsCollection = typeof(IEnumerable).IsAssignableFrom(actualFieldType);
documentMapping.Embedded.Add(embedded);
context.Processed.Remove(actualFieldType); // pop
}
else if (logger.IsDebugEnabled)
{
logger.Debug("Depth reached, ignoring " + path + localPrefix);
}
level--;
maxLevel = oldMaxLevel; // set back the old max level
}
if (AttributeUtil.HasAttribute <ContainedInAttribute>(member))
{
documentMapping.ContainedIn.Add(new ContainedInMapping(getter));
}
}
public IBoostDefinition Boost(ICustomAttributeProvider member)
{
return(AttributeUtil.GetAttribute <BoostAttribute>(member));
}
public IIndexedDefinition Indexed(Type type)
{
return(AttributeUtil.GetAttribute <IndexedAttribute>(type));
}
public IList <IClassBridgeDefinition> ClassBridges(Type type)
{
return(AttributeUtil.GetAttributes <ClassBridgeAttribute>(type));
}
private bool IsIndexed(Type type)
{
return(AttributeUtil.HasAttribute <IndexedAttribute>(type));
}
