/// <summary>
/// Initializes a new instance of the <see cref="EnContactMatcher{Contact}"/> class.
/// </summary>
/// <param name="contacts">List of contacts.</param>
/// <param name="extractContactFields">Delegate to extract contact fields from contact object.</param>
/// <param name="config">Matcher configurations.</param>
public EnContactMatcher(IList <Contact> contacts, Func <Contact, ContactFields> extractContactFields, MatcherConfig config)
: base(config)
{
var targetEqualityComparer = new TargetEqualityComparer();
HashSet <Target <Contact> > nameTargets = new HashSet <Target <Contact> >(targetEqualityComparer);
HashSet <Target <Contact> > aliasTargets = new HashSet <Target <Contact> >(targetEqualityComparer);
this.nameMaxWindowSize = 1;
this.aliasMaxWindowSize = 1;
for (int idx = 0; idx < contacts.Count; ++idx)
{
var contact = contacts[idx];
var fields = extractContactFields(contact);
if (fields.Name != null)
{
var name = Preprocessor.PreProcess(fields.Name);
var nameVariations = this.AddNameVariations(contact, name, idx);
this.nameMaxWindowSize = Math.Max(this.nameMaxWindowSize, nameVariations.Count);
foreach (var variation in nameVariations)
{
nameTargets.Add(variation);
}
}
if (fields.Aliases != null)
{
foreach (var aliasName in fields.Aliases)
{
var aliasVariations = this.AddNameVariations(contact, aliasName, idx);
this.aliasMaxWindowSize = Math.Max(this.aliasMaxWindowSize, aliasVariations.Count);
foreach (var variation in aliasVariations)
{
aliasTargets.Add(variation);
}
}
}
}
this.nameFuzzyMatcher = new EnHybridFuzzyMatcher <Target <Contact> >(nameTargets.ToArray(), this.Config.PhoneticWeightPercentage, (contact) => contact.Phrase);
this.aliasFuzzyMatcher = new EnHybridFuzzyMatcher <Target <Contact> >(aliasTargets.ToArray(), this.Config.PhoneticWeightPercentage, (contact) => contact.Phrase);
}
/// <summary>
/// Initializes a new instance of the <see cref="EnPlaceMatcher{Place}"/> class.
/// </summary>
/// <param name="places">The places to match against.</param>
/// <param name="placeFieldsExtractor">Transform function from the user provided __Place__ object to __PlaceFields__, an intermediate representation used by the matcher. Defaults to the identity transform.</param>
/// <param name="config">The matcher's configuration object.</param>
public EnPlaceMatcher(IList <Place> places, Func <Place, PlaceFields> placeFieldsExtractor, MatcherConfig config)
: base(config)
{
var targetEqualityComparer = new TargetEqualityComparer();
var targets = new HashSet <Target <Place> >(targetEqualityComparer);
this.maxWindowSize = 1;
for (int idx = 0; idx < places.Count; ++idx)
{
var place = places[idx];
var fields = placeFieldsExtractor(place);
var name = string.Empty;
var address = string.Empty;
if (fields.Name != null)
{
name = Preprocessor.PreProcess(fields.Name);
}
if (fields.Address != null)
{
address = Preprocessor.PreProcess(fields.Address);
}
IList <Target <Place> > nameVariations = this.AddNameVariations(place, idx, name, address);
this.maxWindowSize = Math.Max(this.maxWindowSize, nameVariations.Count);
targets.UnionWith(nameVariations);
if (fields.Types != null)
{
foreach (var type in fields.Types)
{
var fieldVariations = this.AddNameVariations(place, idx, type);
this.maxWindowSize = Math.Max(this.maxWindowSize, fieldVariations.Count);
targets.UnionWith(fieldVariations);
}
}
}
this.fuzzyMatcher = new EnHybridFuzzyMatcher <Target <Place> >(
targets.ToArray(),
this.Config.PhoneticWeightPercentage,
(target) => target.Phrase);
}