public static MethodDescription FromMethodInfo(MethodInfo methodInfo, bool isQuery)
{
Type returnType = methodInfo.ReturnType;
bool isVoid = returnType == typeof(void);
MethodDescription invInfo = new MethodDescription();
invInfo.methodInfo = methodInfo;
invInfo.methodName = methodInfo.Name;
invInfo.isQuery = isQuery;
if (!isVoid)
{
invInfo.methodResult = true;
}
//else Result is Converted to JSON
ParameterInfo[] paramsInfo = methodInfo.GetParameters();
for (var i = 0; i < paramsInfo.Length; ++i)
{
if (isQuery && paramsInfo[i].ParameterType == typeof(GetDataInfo))
{
continue;
}
ParamMetadataInfo param = ParamMetadataInfo.FromParamInfo(paramsInfo[i]);
param.ordinal = i;
invInfo.parameters.Add(param);
}
return(invInfo);
}
protected InvokeResult InvokeMethod(InvokeInfo invokeInfo)
{
List <MethodDescription> methodList = this.EnsureMetadataInitialized().methodDescriptions;
MethodDescription method = methodList.Where((m) => m.methodName == invokeInfo.methodName && m.isQuery == false).FirstOrDefault();
if (method == null)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_METH_NAME_INVALID, invokeInfo.methodName));
}
this.Authorizer.CheckUserRightsToExecute(method.methodInfo);
List <object> methParams = new List <object>();
for (var i = 0; i < method.parameters.Count; ++i)
{
methParams.Add(invokeInfo.paramInfo.GetValue(method.parameters[i].name, method, this.DataHelper));
}
object meth_result = method.methodInfo.Invoke(this, methParams.ToArray());
InvokeResult res = new InvokeResult();
if (method.methodResult)
{
res.result = meth_result;
}
return(res);
}
protected GetDataResult GetData(GetDataInfo getInfo)
{
var metadata = this.EnsureMetadataInitialized();
List <MethodDescription> methodList = metadata.methodDescriptions;
MethodDescription method = methodList.Where((m) => m.methodName == getInfo.queryName && m.isQuery == true).FirstOrDefault();
if (method == null)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_QUERY_NAME_INVALID, getInfo.queryName));
}
this.Authorizer.CheckUserRightsToExecute(method.methodInfo);
getInfo.dbSetInfo = metadata.dbSets[getInfo.dbSetName];
bool isMultyPageRequest = getInfo.dbSetInfo.enablePaging && getInfo.pageCount > 1;
QueryResult queryResult = null;
int? totalCount = null;
List <object> methParams = new List <object>();
methParams.Add(getInfo);
for (var i = 0; i < method.parameters.Count; ++i)
{
methParams.Add(getInfo.paramInfo.GetValue(method.parameters[i].name, method, this.DataHelper));
}
queryResult = (QueryResult)method.methodInfo.Invoke(this, methParams.ToArray());
IEnumerable entities = (IEnumerable)queryResult.Result;
totalCount = queryResult.TotalCount;
int rowCnt = 0;
LinkedList <object> entityList = new LinkedList <object>();
foreach (object entity in entities)
{
entityList.AddLast(entity);
++rowCnt;
}
var rows = this.CreateRows(getInfo.dbSetInfo, entityList, rowCnt);
IEnumerable <IncludedResult> subResults = this.CreateIncludedResults(getInfo.dbSetInfo, entityList, queryResult.includeNavigations);
GetDataResult res = new GetDataResult()
{
pageIndex = getInfo.pageIndex,
pageCount = getInfo.pageCount,
dbSetName = getInfo.dbSetName,
names = getInfo.dbSetInfo.fieldInfos.Where(f => f.isIncludeInResult()).OrderBy(f => f._ordinal).Select(fi => fi.fieldName),
totalCount = totalCount,
extraInfo = queryResult.extraInfo,
rows = rows,
rowCount = rowCnt,
fetchSize = getInfo.dbSetInfo.FetchSize,
included = subResults,
error = null
};
return((GetDataResult)res);
}
public object GetValue(string name, MethodDescription methodDescription)
{
var par = this.parameters.Where(p => p.name == name).FirstOrDefault();
if (par == null)
return null;
var paraminfo = methodDescription.parameters.Where(p => p.name == name).FirstOrDefault();
if (paraminfo == null)
{
throw new DomainServiceException(string.Format("Method: {0} has no parameter with the name: {1}",methodDescription.methodName, name));
}
return DataHelper.ParseParameter(paraminfo.ParameterType, paraminfo, paraminfo.isArray, par.value);
}
public object GetValue(string name, MethodDescription methodDescription, IDataHelper dataHelper)
{
var par = this.parameters.Where(p => p.name == name).FirstOrDefault();
if (par == null)
{
return(null);
}
var paraminfo = methodDescription.parameters.Where(p => p.name == name).FirstOrDefault();
if (paraminfo == null)
{
throw new DomainServiceException(string.Format("Method: {0} has no parameter with the name: {1}", methodDescription.methodName, name));
}
return(dataHelper.ParseParameter(paraminfo.ParameterType, paraminfo, paraminfo.isArray, par.value));
}
/// <summary>
/// Test if public methods on the service has Invoke or Query Attribute
/// and generates from this methods their invocation method descriptions
/// </summary>
/// <returns></returns>
private MethodsList GetMethodDescriptions(Type thisType)
{
MethodsList res = null;
if (BaseDomainService._tInvokesInfo.TryGetValue(thisType, out res))
{
return(res);
}
res = new MethodsList();
var methList = thisType.GetMethods(BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.Public).Select(m => new { method = m, isQuery = m.IsDefined(typeof(QueryAttribute), false), isInvoke = m.IsDefined(typeof(InvokeAttribute), false) }).Where(m => (m.isInvoke || m.isQuery)).ToArray();
Array.ForEach(methList, (info) => {
res.Add(MethodDescription.FromMethodInfo(info.method, info.isQuery, this.DataHelper));
});
BaseDomainService._tInvokesInfo.TryAdd(thisType, res);
return(res);
}
public static MethodDescription FromMethodInfo(MethodInfo methodInfo, bool isQuery)
{
Type returnType = methodInfo.ReturnType;
bool isVoid = returnType == typeof(void);
MethodDescription invInfo = new MethodDescription();
invInfo.methodInfo = methodInfo;
invInfo.methodName = methodInfo.Name;
invInfo.isQuery = isQuery;
if (!isVoid)
invInfo.methodResult = true;
//else Result is Converted to JSON
ParameterInfo[] paramsInfo = methodInfo.GetParameters();
for (var i = 0; i < paramsInfo.Length; ++i) {
if (isQuery && paramsInfo[i].ParameterType == typeof(GetDataInfo))
continue;
ParamMetadataInfo param = ParamMetadataInfo.FromParamInfo(paramsInfo[i]);
param.ordinal = i;
invInfo.parameters.Add(param);
}
return invInfo;
}
