/// <summary>
/// Reindex constructor. The class reuires a index and a type for the old index and also
/// the new index. The old index can then be converteds or reindexed to the new index.
/// </summary>
/// <param name="oldIndexTypeDescription">
/// index and index type parameters for the old index
/// </param>
/// <param name="newIndexTypeDescription">
/// index and index type parameters for the new index
/// </param>
/// <param name="connectionString"> Elastic connection string </param>
public ElasticReindex(IndexTypeDescription oldIndexTypeDescription,
IndexTypeDescription newIndexTypeDescription, string connectionString)
{
_oldIndexTypeDescription = oldIndexTypeDescription;
_newIndexTypeDescription = newIndexTypeDescription;
IElasticMappingResolver elasticMappingResolver = new ElasticMappingResolver();
elasticMappingResolver.AddElasticSearchMappingForEntityType(typeof(TNew),
MappingUtils.GetElasticMapping <TNew>(newIndexTypeDescription));
elasticMappingResolver.AddElasticSearchMappingForEntityType(typeof(TOld),
MappingUtils.GetElasticMapping <TOld>(oldIndexTypeDescription));
_context = new ElasticContext(connectionString, elasticMappingResolver);
}
internal static void BuildConfig(this IConfiguration configuration, string configSection = DefaultConfigSection)
{
var isHaveConfig = configuration.GetChildren().Any(x => x.Key == configSection);
if (isHaveConfig)
{
ElasticConfig.ConnectionString = configuration.GetValue($"{configSection}:{nameof(ElasticConfig.ConnectionString)}", ElasticConfig.ConnectionString);
}
try
{
using (ElasticContext context = new ElasticContext())
{
}
}
catch (Exception)
{
throw new ElasticException("Cannot connect to elastic, please install elastic");
}
}