public IIndexBuilder CreateBuilder(IIndexName name)
{
//NOTE: Choice of index storage from:
// - PersistentMetadataList
// - PersistentMetadataBtree
return(new PersistentBuilder(Convert(name)));
}
public static IFullTextIndex AddToIndex(IIndexName indexName, string text)
{
using (var builder = IndexFactory.CreateBuilder(indexName))
{
builder.Start();
builder.AddText(text, null);
builder.StopAndWait();
}
return(IndexFactory.OpenIndex(indexName));
}
private static IIndexTypeFactory GetFactoryForName(IIndexName name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (!indexTypes.TryGetValue(name.GetType(), out var factory))
{
throw new InvalidOperationException($"Invalid type {name.GetType().Name}");
}
return(factory);
}
public static IFullTextIndex PrepareIndexForSearch(IIndexName indexName)
{
using (var builder = IndexFactory.CreateBuilder(indexName))
{
builder.Start();
builder.AddText("Hello World!", null);
builder.AddText("Petro Petrolium Petrol", null);
builder.AddText("This is test document for search unit tests", null);
builder.AddText("This test document is used for search operators", null);
builder.AddText("This full-text search only supports boolean operators: and, or", null);
builder.AddText("Programming is very exciting. Programs can help. This is fantastic!!!", null);
builder.StopAndWait();
}
return(IndexFactory.OpenIndex(indexName));
}
private static PersistentIndexName Convert(IIndexName name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
var result = name as PersistentIndexName;
if (result == null)
{
throw new InvalidOperationException($"Invalid type {name.GetType().Name}");
}
return(result);
}
private static InMemoryIndexName InMemoryName(IIndexName name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
var result = name as InMemoryIndexName;
if (result == null)
{
throw new InvalidOperationException($"Invalid type {name.GetType().Name}");
}
return(result);
}
public static IFullTextIndex OpenIndex(IIndexName name)
{
IIndexTypeFactory factory = GetFactoryForName(name);
return(factory.OpenIndex(name));
}
public static IIndexBuilder CreateBuilder(IIndexName name)
{
IIndexTypeFactory factory = GetFactoryForName(name);
return(factory.CreateBuilder(name));
}
public IFullTextIndex OpenIndex(IIndexName name)
{
return(new PersistentIndex(Convert(name)));
}
public IIndexBuilder CreateBuilder(IIndexName name)
{
return(new InMemoryBuilder(InMemoryName(name)));
}
public IFullTextIndex OpenIndex(IIndexName name)
{
return(InMemoryName(name).Index);
}
