public static new Expression Build(QueryLinguist linguist, QueryPolicy policy, Expression expression, Expression provider)
{
var executor = Expression.Parameter(typeof(QueryExecutor), "executor");
var builder = new OExecutionBuilder(linguist, policy, new OTypeBuilder(linguist), executor);
builder.Variables.Add(executor);
builder.Initializers.Add(
Expression.Convert(
Expression.Call(Expression.Convert(provider, typeof(ICreateExecutor)), "CreateExecutor", null, null),
typeof(QueryExecutor)));
var result = builder.Build(expression);
return result;
}
public DataProvider(IRepository repository, QueryLanguage language, QueryMapping mapping, QueryPolicy policy)
{
if (language == null)
throw new InvalidOperationException("Language not specified");
if (mapping == null)
throw new InvalidOperationException("Mapping not specified");
if (policy == null)
throw new InvalidOperationException("Policy not specified");
this._language = language;
this._mapping = mapping;
this._policy = policy;
this.Repository = repository;
}
public QueryPolice(QueryPolicy policy, QueryTranslator translator)
{
this.policy = policy;
this.translator = translator;
}
protected OExecutionBuilder(QueryLinguist linguist, QueryPolicy policy, OTypeBuilder typeBuilder, Expression executor)
: base(linguist, policy, executor)
{
this.TypeBuilder = typeBuilder;
_repoType = linguist.Translator.Mapper.Mapping.RepositoryType;
}
public QueryTranslator(QueryLanguage language, QueryMapping mapping, QueryPolicy policy)
{
this.linguist = language.CreateLinguist(this);
this.mapper = mapping.CreateMapper(this);
this.police = policy.CreatePolice(this);
}