/// <summary>
/// Constructor for Message class
/// </summary>
/// <param name="name">name property</param>
/// <param name="doc">doc property</param>
/// <param name="request">list of parameters</param>
/// <param name="response">response property</param>
/// <param name="error">error union schema</param>
public Message(string name, string doc, RecordSchema request, Schema response, UnionSchema error, bool? oneway)
{
if (string.IsNullOrEmpty(name)) throw new ArgumentNullException("name", "name cannot be null.");
this.Request = request;
this.Response = response;
this.Error = error;
this.Name = name;
this.Doc = doc;
this.Oneway = oneway;
}
internal static RecordSchema NewInstance(Type type, JToken j, Names names)
{
JToken jfields = j["fields"];
if (null == jfields)
{
throw new SchemaParseException("'fields' cannot be null for record");
}
if (jfields.Type != JTokenType.Array) {
throw new SchemaParseException("'fields' not an array for record");
}
Name name = GetName(j);
IDictionary<string, Field> fields = new Dictionary<string, Field>();
RecordSchema result = new RecordSchema(type, name, fields, names);
foreach (JObject jfield in jfields)
{
string fieldName = JsonHelper.GetRequiredString(jfield, "name");
Field field = createField(jfield, names);
fields.Add(fieldName, field);
}
return result;
}
private static StringBuilder Build(IDictionary <string, string> env, Schema s, StringBuilder o)
{
bool firstTime = true;
Schema.Type st = s.Tag;
switch (st)
{
case Schema.Type.Union:
UnionSchema us = s as UnionSchema;
o.Append('[');
foreach (Schema b in us.Schemas)
{
if (!firstTime)
{
o.Append(',');
}
else
{
firstTime = false;
}
Build(env, b, o);
}
return(o.Append(']'));
case Schema.Type.Array:
case Schema.Type.Map:
o.Append("{\"type\":\"").Append(Schema.GetTypeString(s.Tag)).Append('\"');
if (st == Schema.Type.Array)
{
ArraySchema arraySchema = s as ArraySchema;
Build(env, arraySchema.ItemSchema, o.Append(",\"items\":"));
}
else
{
MapSchema mapSchema = s as MapSchema;
Build(env, mapSchema.ValueSchema, o.Append(",\"values\":"));
}
return(o.Append('}'));
case Schema.Type.Enumeration:
case Schema.Type.Fixed:
case Schema.Type.Record:
NamedSchema namedSchema = s as NamedSchema;
var name = namedSchema.Fullname;
if (env.ContainsKey(name))
{
return(o.Append(env[name]));
}
var qname = "\"" + name + "\"";
env.Add(name, qname);
o.Append("{\"name\":").Append(qname);
o.Append(",\"type\":\"").Append(Schema.GetTypeString(s.Tag)).Append('\"');
if (st == Schema.Type.Enumeration)
{
EnumSchema enumSchema = s as EnumSchema;
o.Append(",\"symbols\":[");
foreach (var enumSymbol in enumSchema.Symbols)
{
if (!firstTime)
{
o.Append(',');
}
else
{
firstTime = false;
}
o.Append('\"').Append(enumSymbol).Append('\"');
}
o.Append(']');
}
else if (st == Schema.Type.Fixed)
{
FixedSchema fixedSchema = s as FixedSchema;
o.Append(",\"size\":")
.Append(fixedSchema.Size.ToString(CultureInfo.InvariantCulture));
}
else // st == Schema.Type.Record
{
RecordSchema recordSchema = s as RecordSchema;
o.Append(",\"fields\":[");
foreach (var field in recordSchema.Fields)
{
if (!firstTime)
{
o.Append(',');
}
else
{
firstTime = false;
}
o.Append("{\"name\":\"").Append(field.Name).Append('\"');
Build(env, field.Schema, o.Append(",\"type\":")).Append('}');
}
o.Append(']');
}
return(o.Append('}'));
default: //boolean, bytes, double, float, int, long, null, string
return(o.Append('\"').Append(s.Name).Append('\"'));
}
}
/// <summary>
/// Static function to return new instance of the record schema
/// </summary>
/// <param name="type">type of record schema, either record or error</param>
/// <param name="jtok">JSON object for the record schema</param>
/// <param name="props">dictionary that provides access to custom properties</param>
/// <param name="names">list of named schema already read</param>
/// <param name="encspace">enclosing namespace of the records schema</param>
/// <returns>new RecordSchema object</returns>
internal static RecordSchema NewInstance(Type type, JToken jtok, PropertyMap props, SchemaNames names, string encspace)
{
bool request = false;
JToken jfields = jtok["fields"]; // normal record
if (null == jfields)
{
jfields = jtok["request"]; // anonymous record from messages
if (null != jfields)
{
request = true;
}
}
if (null == jfields)
{
throw new SchemaParseException($"'fields' cannot be null for record at '{jtok.Path}'");
}
if (jfields.Type != JTokenType.Array)
{
throw new SchemaParseException($"'fields' not an array for record at '{jtok.Path}'");
}
var name = GetName(jtok, encspace);
var aliases = NamedSchema.GetAliases(jtok, name.Space, name.EncSpace);
var fields = new List <Field>();
var fieldMap = new Dictionary <string, Field>();
var fieldAliasMap = new Dictionary <string, Field>();
RecordSchema result;
try
{
result = new RecordSchema(type, name, aliases, props, fields, request, fieldMap, fieldAliasMap, names,
JsonHelper.GetOptionalString(jtok, "doc"));
}
catch (SchemaParseException e)
{
throw new SchemaParseException($"{e.Message} at '{jtok.Path}'", e);
}
int fieldPos = 0;
foreach (JObject jfield in jfields)
{
string fieldName = JsonHelper.GetRequiredString(jfield, "name");
Field field = createField(jfield, fieldPos++, names, name.Namespace); // add record namespace for field look up
fields.Add(field);
try
{
addToFieldMap(fieldMap, fieldName, field);
addToFieldMap(fieldAliasMap, fieldName, field);
if (null != field.aliases) // add aliases to field lookup map so reader function will find it when writer field name appears only as an alias on the reader field
{
foreach (string alias in field.aliases)
{
addToFieldMap(fieldAliasMap, alias, field);
}
}
}
catch (SchemaParseException e)
{
throw new SchemaParseException($"{e.Message} at '{jfield.Path}'", e);
}
}
return(result);
}
public RecordSchemaPair(RecordSchema first, RecordSchema second)
{
this.first = first;
this.second = second;
}
/// <summary>
/// Creates a class declaration.
/// </summary>
/// <param name="schema">record schema.</param>
/// <returns>
/// A new class code type declaration.
/// </returns>
/// <exception cref="CodeGenException">
/// Unable to cast schema into a record
/// or
/// Namespace required for record schema " + recordSchema.Name.
/// </exception>
protected virtual CodeTypeDeclaration processRecord(Schema schema)
{
RecordSchema recordSchema = schema as RecordSchema;
if (recordSchema == null)
{
throw new CodeGenException("Unable to cast schema into a record");
}
bool isError = recordSchema.Tag == Schema.Type.Error;
// declare the class
var ctd = new CodeTypeDeclaration(CodeGenUtil.Instance.Mangle(recordSchema.Name));
var baseTypeReference = new CodeTypeReference(
isError ? typeof(Specific.SpecificException) : typeof(Specific.ISpecificRecord),
CodeTypeReferenceOptions.GlobalReference);
ctd.BaseTypes.Add(baseTypeReference);
ctd.Attributes = MemberAttributes.Public;
ctd.IsClass = true;
ctd.IsPartial = true;
if (recordSchema.Documentation != null)
{
ctd.Comments.Add(createDocComment(recordSchema.Documentation));
}
createSchemaField(schema, ctd, isError);
// declare Get() to be used by the Writer classes
var cmmGet = new CodeMemberMethod();
cmmGet.Name = "Get";
cmmGet.Attributes = MemberAttributes.Public;
cmmGet.ReturnType = new CodeTypeReference("System.Object");
cmmGet.Parameters.Add(new CodeParameterDeclarationExpression(typeof(int), "fieldPos"));
StringBuilder getFieldStmt = new StringBuilder("switch (fieldPos)")
.AppendLine().AppendLine("\t\t\t{");
// declare Put() to be used by the Reader classes
var cmmPut = new CodeMemberMethod();
cmmPut.Name = "Put";
cmmPut.Attributes = MemberAttributes.Public;
cmmPut.ReturnType = new CodeTypeReference(typeof(void));
cmmPut.Parameters.Add(new CodeParameterDeclarationExpression(typeof(int), "fieldPos"));
cmmPut.Parameters.Add(new CodeParameterDeclarationExpression("System.Object", "fieldValue"));
var putFieldStmt = new StringBuilder("switch (fieldPos)")
.AppendLine().AppendLine("\t\t\t{");
if (isError)
{
cmmGet.Attributes |= MemberAttributes.Override;
cmmPut.Attributes |= MemberAttributes.Override;
}
foreach (Field field in recordSchema.Fields)
{
// Determine type of field
bool nullibleEnum = false;
string baseType = getType(field.Schema, false, ref nullibleEnum);
var ctrfield = new CodeTypeReference(baseType);
// Create field
string privFieldName = string.Concat("_", field.Name);
var codeField = new CodeMemberField(ctrfield, privFieldName);
codeField.Attributes = MemberAttributes.Private;
if (field.Schema is EnumSchema es && es.Default != null)
{
codeField.InitExpression = new CodeTypeReferenceExpression($"{es.Name}.{es.Default}");
}
// Process field documentation if it exist and add to the field
CodeCommentStatement propertyComment = null;
if (!string.IsNullOrEmpty(field.Documentation))
{
propertyComment = createDocComment(field.Documentation);
if (propertyComment != null)
{
codeField.Comments.Add(propertyComment);
}
}
// Add field to class
ctd.Members.Add(codeField);
// Create reference to the field - this.fieldname
var fieldRef = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), privFieldName);
var mangledName = CodeGenUtil.Instance.Mangle(field.Name);
// Create field property with get and set methods
var property = new CodeMemberProperty();
property.Attributes = MemberAttributes.Public | MemberAttributes.Final;
property.Name = mangledName;
property.Type = ctrfield;
property.GetStatements.Add(new CodeMethodReturnStatement(fieldRef));
property.SetStatements.Add(new CodeAssignStatement(fieldRef, new CodePropertySetValueReferenceExpression()));
if (propertyComment != null)
{
property.Comments.Add(propertyComment);
}
// Add field property to class
ctd.Members.Add(property);
// add to Get()
getFieldStmt.Append("\t\t\tcase ");
getFieldStmt.Append(field.Pos);
getFieldStmt.Append(": return this.");
getFieldStmt.Append(mangledName);
getFieldStmt.AppendLine(";");
// add to Put()
putFieldStmt.Append("\t\t\tcase ");
putFieldStmt.Append(field.Pos);
putFieldStmt.Append(": this.");
putFieldStmt.Append(mangledName);
if (nullibleEnum)
{
putFieldStmt.Append(" = fieldValue == null ? (");
putFieldStmt.Append(baseType);
putFieldStmt.Append(")null : (");
string type = baseType.Remove(0, 16); // remove System.Nullable<
type = type.Remove(type.Length - 1); // remove >
putFieldStmt.Append(type);
putFieldStmt.AppendLine(")fieldValue; break;");
}
else
{
putFieldStmt.Append(" = (");
putFieldStmt.Append(baseType);
putFieldStmt.AppendLine(")fieldValue; break;");
}
}
// end switch block for Get()
getFieldStmt.AppendLine("\t\t\tdefault: throw new global::Avro.AvroRuntimeException(\"Bad index \" + fieldPos + \" in Get()\");")
.Append("\t\t\t}");
var cseGet = new CodeSnippetExpression(getFieldStmt.ToString());
cmmGet.Statements.Add(cseGet);
ctd.Members.Add(cmmGet);
// end switch block for Put()
putFieldStmt.AppendLine("\t\t\tdefault: throw new global::Avro.AvroRuntimeException(\"Bad index \" + fieldPos + \" in Put()\");")
.Append("\t\t\t}");
var csePut = new CodeSnippetExpression(putFieldStmt.ToString());
cmmPut.Statements.Add(csePut);
ctd.Members.Add(cmmPut);
string nspace = recordSchema.Namespace;
if (string.IsNullOrEmpty(nspace))
{
throw new CodeGenException("Namespace required for record schema " + recordSchema.Name);
}
CodeNamespace codens = AddNamespace(nspace);
codens.Types.Add(ctd);
return(ctd);
}
/// <summary>
/// Creates a class declaration
/// </summary>
/// <param name="schema">record schema</param>
/// <param name="ns">namespace</param>
/// <returns></returns>
protected virtual CodeTypeDeclaration processRecord(Schema schema)
{
RecordSchema recordSchema = schema as RecordSchema;
if (null == recordSchema)
{
throw new CodeGenException("Unable to cast schema into a record");
}
// declare the class
var ctd = new CodeTypeDeclaration(CodeGenUtil.Instance.Mangle(recordSchema.Name));
//@todo implments
if (DoJava)
{
ctd.BaseTypes.Add(SystemObjectStr);
ctd.BaseTypes.Add("SpecificRecord");
}
else
{
ctd.BaseTypes.Add("ISpecificRecord");
}
var interf = processRecordInterface(schema);
ctd.BaseTypes.Add(interf.Name);
ctd.Attributes = MemberAttributes.Public;
ctd.IsClass = true;
ctd.IsPartial = true;
createSchemaField(schema, ctd, false, false);
// declare Get() to be used by the Writer classes
var cmmGet = new CodeMemberMethod();
cmmGet.Name = ToLangCase("Get", !DoJava);
cmmGet.Attributes = MemberAttributes.Public;
cmmGet.ReturnType = new CodeTypeReference(SystemObjectStr);
cmmGet.Parameters.Add(new CodeParameterDeclarationExpression(typeof(int), "fieldPos"));
StringBuilder getFieldStmt = new StringBuilder("switch (fieldPos)\n\t\t\t{\n");
// declare Put() to be used by the Reader classes
var cmmPut = new CodeMemberMethod();
cmmPut.Name = ToLangCase("Put", !DoJava);
cmmPut.Attributes = MemberAttributes.Public;
cmmPut.ReturnType = new CodeTypeReference(typeof(void));
cmmPut.Parameters.Add(new CodeParameterDeclarationExpression(typeof(int), "fieldPos"));
cmmPut.Parameters.Add(new CodeParameterDeclarationExpression(SystemObjectStr, "fieldValue"));
var putFieldStmt = new StringBuilder("switch (fieldPos)\n\t\t\t{\n");
HashSet <CodeTypeReference> feildRefs = new HashSet <CodeTypeReference>();
foreach (Field field in recordSchema.Fields)
{
// Determine type of field
bool nullibleEnum = false;
string baseType = getType(field.Schema, false, ref nullibleEnum, false);
var ctrfield = new CodeTypeReference(baseType);
// Create field
string privFieldName = string.Concat("_", field.Name);
if (DoJava)
{
privFieldName = "m" + privFieldName;
}
var codeField = new CodeMemberField(ctrfield, privFieldName);
codeField.Attributes = MemberAttributes.Private;
// Process field documentation if it exist and add to the field
CodeCommentStatement propertyComment = null;
if (!string.IsNullOrEmpty(field.Documentation))
{
propertyComment = createDocComment(field.Documentation);
if (null != propertyComment)
{
codeField.Comments.Add(propertyComment);
}
}
// Add field to class
ctd.Members.Add(codeField);
// Create reference to the field - this.fieldname
var fieldRef = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), privFieldName);
var mangledName = CodeGenUtil.Instance.Mangle(field.Name);
// Create field property with get and set methods
AddProperty(ctd, ctrfield, propertyComment, mangledName, fieldRef, false);
string getsetName = mangledName;
if (DoJava)
{
getsetName = privFieldName;
}
// add to Get()
getFieldStmt.Append("\t\t\tcase ");
getFieldStmt.Append(field.Pos);
getFieldStmt.Append(": return this.");
getFieldStmt.Append(getsetName);
getFieldStmt.Append(";\n");
// add to Put()
putFieldStmt.Append("\t\t\tcase ");
putFieldStmt.Append(field.Pos);
putFieldStmt.Append(": this.");
putFieldStmt.Append(getsetName);
feildRefs.Add(ctrfield);
if (baseType.EndsWith("long"))
{
}
var castType = baseType;
if (DoJava)
{
castType = getType(field.Schema, true, ref nullibleEnum, false);
}
if (nullibleEnum)
{
putFieldStmt.Append(" = fieldValue == null ? (");
putFieldStmt.Append(baseType);
putFieldStmt.Append(")null : (");
string type = baseType.Remove(0, 16); // remove System.Nullable<
type = type.Remove(type.Length - 1); // remove >
putFieldStmt.Append(type);
putFieldStmt.Append(")fieldValue; break;\n");
}
else
{
putFieldStmt.Append(" = (");
putFieldStmt.Append(castType);
putFieldStmt.Append(")fieldValue; break;\n");
}
}
// end switch block for Get()
getFieldStmt.Append(
"\t\t\tdefault: throw new AvroRuntimeException(\"Bad index \" + fieldPos + \" in Get()\");\n\t\t\t}");
var cseGet = new CodeSnippetExpression(getFieldStmt.ToString());
string cs = cseGet.Value;
cmmGet.Statements.Add(cseGet);
ctd.Members.Add(cmmGet);
// end switch block for Put()
putFieldStmt.Append(
"\t\t\tdefault: throw new AvroRuntimeException(\"Bad index \" + fieldPos + \" in Put()\");\n\t\t\t}");
var csePut = new CodeSnippetExpression(putFieldStmt.ToString());
cmmPut.Statements.Add(csePut);
ctd.Members.Add(cmmPut);
string nspace = recordSchema.Namespace;
if (string.IsNullOrEmpty(nspace))
{
throw new CodeGenException("Namespace required for record schema " + recordSchema.Name);
}
CodeNamespace codens = addNamespace(nspace);
codens.Types.Add(ctd);
foreach (CodeTypeReference reference in feildRefs)
{
//codens.Types.Add(reference);
}
return(ctd);
}
} // end ContentsToString
/// <summary>
/// Decodes binary encoded data of a dynamically created table returned by the server.
/// </summary>
/// <param name="dynamic_table_schema_string">The schema string for the dynamically created table.</param>
/// <param name="encoded_data">The binary encoded data.</param>
/// <returns>A list of KineticaRecord objects with the decoded data.</returns>
public static IList <KineticaRecord> DecodeDynamicTableRecords(string dynamic_table_schema_string, byte[] encoded_data)
{
// Get a record schema from the schema string
Schema dynamic_table_schema;
try
{
dynamic_table_schema = Avro.Schema.Parse(dynamic_table_schema_string);
}
catch (Exception ex)
{
throw new KineticaException(ex.ToString());
}
// The container for the decoded data (put into distinct records)
IList <KineticaRecord> records = new List <KineticaRecord>();
// Decode the dynamic table schema to extract the column names and types.
// Then, decode each individual record.
using (var ms = new MemoryStream(encoded_data))
{
// Read the table schema into a new GenericRecord
// ----------------------------------------------
var reader = new Avro.Generic.DefaultReader(dynamic_table_schema, dynamic_table_schema);
BinaryDecoder decoder = new BinaryDecoder(ms);
Avro.Generic.GenericRecord obj = (Avro.Generic.GenericRecord)reader.Read(null, dynamic_table_schema, dynamic_table_schema, decoder);
// Extract the column names from the encoded data
object column_headers_0 = new object();
Object[] column_headers = null;
if (obj.TryGetValue("column_headers", out column_headers_0)) // try to get the data out
{
column_headers = ( Object[] )column_headers_0;
}
// Extract the column types from the encoded data
object column_types_0 = new object();
Object[] column_types = null;
if (obj.TryGetValue("column_datatypes", out column_types_0)) // try to get the data out
{
column_types = ( Object[] )column_types_0;
}
// Find out how many columns are returned
int num_columns = column_headers.Length;
// Extract the column data from the encoded data (ignore the headers and types)
// and create a list with only the record data
Object[][] encoded_column_data = new Object[num_columns][];
for (int i = 0; i < num_columns; ++i)
{
// Get the column name (e.g. the first column is titled "column_1")
string column_name = $"column_{i+1}";
// Get the column data out
object column_data_0 = new object();
Object[] column_data = null;
if (obj.TryGetValue(column_name, out column_data_0)) // try to get the data out
{
column_data = ( Object[] )column_data_0;
}
// Save this column's data in the 2D array declared above
encoded_column_data[i] = column_data;
} // done separating the column data from the headers and type
// Find out how many values per column are returned
int num_records = encoded_column_data[0].Length;
// Make sure that all the column data are of the same length
foreach (Object[] l in encoded_column_data)
{
if (l.Length != num_records)
{
throw new KineticaException("Dynamic table has uneven column data lengths");
}
}
// Based on the column headers and types, create a KineticaType
KineticaType dynamic_record_type = KineticaType.fromDynamicSchema(dynamic_table_schema_string, column_headers, column_types);
// Using the dynamic record type, create a RecordSchema object
// ( off which we'll create the records)
Avro.RecordSchema record_schema = (Avro.RecordSchema)dynamic_record_type.getSchema();
// Create the records by decoding the binary encoded data
// (column-major data into row-major data)
for (int record_idx = 0; record_idx < num_records; ++record_idx)
{
// Create a GenericRecord object based on the KineticaType
KineticaRecord record = new KineticaRecord(record_schema);
// Go through each column, decode the next value and put it into the record
for (int column_idx = 0; column_idx < num_columns; ++column_idx)
{
// Get the value to be put
var val = encoded_column_data[column_idx][record_idx];
// Get the property of the record into which the value need to saved
var field = record_schema.Fields[column_idx];
// Set the value
record.Add(field.Name, val);
} // end inner for loop
// Save the record
records.Add(record);
} // end outer for loop
} // end decoding block
return(records);
} // end DecodeDynamicTableRecords
public GenericRecord(RecordSchema schema)
{
this.Schema = schema;
}
private void SaveOutSchemeR(Protocol protocol, RecordSchema schema, TextWriter tw)
{
protocol = protocol ?? findProtocall(Protos.Values, schema);
foreach (Field field in schema)
{
}
}
private static void WriteRecord(TextWriter writer, RecordSchema schema, WriterMode mode, string parentNamespace, ISet <string> namedSchemas, bool stripNs)
{
var ns = parentNamespace;
if (!string.IsNullOrEmpty(schema.Namespace))
{
ns = schema.Namespace;
}
if (stripNs && ns == parentNamespace)
{
ns = null;
}
switch (mode)
{
case WriterMode.Canonical:
writer.Write(@"{""name"":""");
writer.Write(schema.FullName);
writer.Write(@"""");
writer.Write(@",""type"":""record""");
writer.Write(@",""fields"":[");
WriteFields(writer, schema, mode, parentNamespace, namedSchemas, stripNs);
writer.Write(@"]");
writer.Write(@"}");
break;
case WriterMode.Full:
writer.Write(@"{ ""type"": ""record""");
writer.Write(@", ""name"": """);
writer.Write(schema.Name);
writer.Write(@"""");
writer.Write(@", ""namespace"": """);
writer.Write(schema.Namespace);
writer.Write(@"""");
writer.Write(@", ""doc"": """);
writer.Write(schema.Doc);
writer.Write(@"""");
writer.Write(@", ""aliases"": [");
writer.Write(string.Join(", ", schema.Aliases.Select(r => $"\"{r}\"")));
writer.Write(@"]");
writer.Write(@", ""fields"": [");
WriteFields(writer, schema, mode, parentNamespace, namedSchemas, stripNs);
writer.Write(@"]");
writer.Write(@" }");
break;
default:
writer.Write(@"{ ""type"": ""record""");
writer.Write(@", ""name"": """);
writer.Write(schema.Name);
writer.Write(@"""");
if (!string.IsNullOrEmpty(ns))
{
writer.Write(@", ""namespace"": """);
writer.Write(ns);
writer.Write(@"""");
}
if (!string.IsNullOrEmpty(schema.Doc))
{
writer.Write(@", ""doc"": """);
writer.Write(schema.Doc);
writer.Write(@"""");
}
if (schema.Aliases.Count > 0)
{
writer.Write(@", ""aliases"": [");
writer.Write(string.Join(", ", schema.Aliases.Select(r => $"\"{r}\"")));
writer.Write(@"]");
}
writer.Write(@", ""fields"": [");
WriteFields(writer, schema, mode, parentNamespace, namedSchemas, stripNs);
writer.Write(@"]");
writer.Write(@" }");
break;
}
}
/// <summary>
/// Creates a class declaration
/// </summary>
/// <param name="schema">record schema</param>
/// <param name="ns">namespace</param>
/// <returns></returns>
protected virtual CodeTypeDeclaration processRecord(Schema schema)
{
RecordSchema recordSchema = schema as RecordSchema;
if (null == recordSchema)
{
throw new CodeGenException("Unable to cast schema into a record");
}
bool isError = recordSchema.Tag == Schema.Type.Error;
// declare the class
var ctd = new CodeTypeDeclaration(CodeGenUtil.Instance.Mangle(recordSchema.Name));
// ctd.BaseTypes.Add(isError ? "SpecificException" : "ISpecificRecord");
ctd.Attributes = MemberAttributes.Public;
ctd.IsClass = true;
//ctd.IsPartial = true;
//createSchemaField(schema, ctd, isError);
//// declare Get() to be used by the Writer classes
//var cmmGet = new CodeMemberMethod();
//cmmGet.Name = "Get";
//cmmGet.Attributes = MemberAttributes.Public;
//cmmGet.ReturnType = new CodeTypeReference("System.Object");
//cmmGet.Parameters.Add(new CodeParameterDeclarationExpression(typeof(int), "fieldPos"));
//StringBuilder getFieldStmt = new StringBuilder("switch (fieldPos)\n\t\t\t{\n");
//// declare Put() to be used by the Reader classes
//var cmmPut = new CodeMemberMethod();
//cmmPut.Name = "Put";
//cmmPut.Attributes = MemberAttributes.Public;
//cmmPut.ReturnType = new CodeTypeReference(typeof(void));
//cmmPut.Parameters.Add(new CodeParameterDeclarationExpression(typeof(int), "fieldPos"));
//cmmPut.Parameters.Add(new CodeParameterDeclarationExpression("System.Object", "fieldValue"));
//var putFieldStmt = new StringBuilder("switch (fieldPos)\n\t\t\t{\n");
//if (isError)
//{
// cmmGet.Attributes |= MemberAttributes.Override;
// cmmPut.Attributes |= MemberAttributes.Override;
//}
foreach (Field field in recordSchema.Fields)
{
// Determine type of field
bool nullibleEnum = false;
string baseType = getType(field.Schema, false, ref nullibleEnum);
var ctrfield = new CodeTypeReference(baseType);
// Create field
string privFieldName = string.Concat("_", field.Name);
var codeField = new CodeMemberField(ctrfield, privFieldName);
codeField.Attributes = MemberAttributes.Private;
// Process field documentation if it exist and add to the field
CodeCommentStatement propertyComment = null;
if (!string.IsNullOrEmpty(field.Documentation))
{
propertyComment = createDocComment(field.Documentation);
if (null != propertyComment)
{
codeField.Comments.Add(propertyComment);
}
}
// Add field to class
ctd.Members.Add(codeField);
// Create reference to the field - this.fieldname
var fieldRef = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), privFieldName);
var mangledName = CodeGenUtil.Instance.Mangle(field.Name);
// Create field property with get and set methods
var property = new CodeMemberProperty();
property.Attributes = MemberAttributes.Public | MemberAttributes.Final;
property.Name = mangledName.FirstCharToUpper();
property.Type = ctrfield;
property.GetStatements.Add(new CodeMethodReturnStatement(fieldRef));
property.SetStatements.Add(new CodeAssignStatement(fieldRef, new CodePropertySetValueReferenceExpression()));
if (null != propertyComment)
{
property.Comments.Add(propertyComment);
}
// Add field property to class
ctd.Members.Add(property);
if (field.Schema.Tag == Schema.Type.Union) // union
{
var unionSchema = (UnionSchema)field.Schema;
var attr = new CodeAttributeDeclaration("Microsoft.Hadoop.Avro.AvroUnion");
foreach (var item in unionSchema.Schemas)
{
var name = item.Name;
if (name == "null")
{
name = "Microsoft.Hadoop.Avro.AvroNull";
}
else if (name == "bytes")
{
name = "byte[]";
}
else if (name == "boolean")
{
name = "bool";
}
attr.Arguments.Add(new CodeAttributeArgument(new CodeSnippetExpression(string.Format("typeof({0})", name))));
}
property.CustomAttributes.Add(attr);
}
// add to Get()
//getFieldStmt.Append("\t\t\tcase ");
//getFieldStmt.Append(field.Pos);
//getFieldStmt.Append(": return this.");
//getFieldStmt.Append(privFieldName);
//getFieldStmt.Append(";\n");
//// add to Put()
//putFieldStmt.Append("\t\t\tcase ");
//putFieldStmt.Append(field.Pos);
//putFieldStmt.Append(": this.");
//putFieldStmt.Append(privFieldName);
//if (nullibleEnum)
//{
// putFieldStmt.Append(" = fieldValue == null ? (");
// putFieldStmt.Append(baseType);
// putFieldStmt.Append(")null : (");
// string type = baseType.Remove(0, 16); // remove System.Nullable<
// type = type.Remove(type.Length - 1); // remove >
// putFieldStmt.Append(type);
// putFieldStmt.Append(")fieldValue; break;\n");
//}
//else
//{
// putFieldStmt.Append(" = (");
// putFieldStmt.Append(baseType);
// putFieldStmt.Append(")fieldValue; break;\n");
//}
}
//// end switch block for Get()
//getFieldStmt.Append("\t\t\tdefault: throw new AvroRuntimeException(\"Bad index \" + fieldPos + \" in Get()\");\n\t\t\t}");
//var cseGet = new CodeSnippetExpression(getFieldStmt.ToString());
//cmmGet.Statements.Add(cseGet);
//ctd.Members.Add(cmmGet);
//// end switch block for Put()
//putFieldStmt.Append("\t\t\tdefault: throw new AvroRuntimeException(\"Bad index \" + fieldPos + \" in Put()\");\n\t\t\t}");
//var csePut = new CodeSnippetExpression(putFieldStmt.ToString());
//cmmPut.Statements.Add(csePut);
//ctd.Members.Add(cmmPut);
string nspace = recordSchema.Namespace;
if (string.IsNullOrEmpty(nspace))
{
throw new CodeGenException("Namespace required for record schema " + recordSchema.Name);
}
CodeNamespace codens = addNamespace(nspace);
codens.Types.Add(ctd);
return(ctd);
}
/// <summary>
/// Constructor for Message class
/// </summary>
/// <param name="name">name property</param>
/// <param name="doc">doc property</param>
/// <param name="request">list of parameters</param>
/// <param name="response">response property</param>
/// <param name="error">error union schema</param>
public Message(string name, string doc, RecordSchema request, Schema response, UnionSchema error, bool? oneway)
{
if (string.IsNullOrEmpty(name)) throw new ArgumentNullException("name", "name cannot be null.");
this.Request = request;
this.Response = response;
this.Error = error;
this.Name = name;
this.Doc = doc;
this.Oneway = oneway;
if (error != null && error.CanRead(Schema.Parse("string")))
{
this.SupportedErrors = error;
}
else
{
this.SupportedErrors = (UnionSchema) Schema.Parse("[\"string\"]");
if (error != null)
{
for (int i = 0; i < error.Schemas.Count; ++i)
{
this.SupportedErrors.Schemas.Add(error.Schemas[i]);
}
}
}
}