public override void GenerateEntities(string filePrefix, string nameSpace, Data.DbSyncScopeDescription desc, Dictionary <string, Dictionary <string, string> > colsMappingInfo, System.IO.DirectoryInfo dirInfo, CodeLanguage option, string serviceUri)
{
// First generate the custom Context file
CodeCompileUnit compileUnit = GenerateContextFile(filePrefix, nameSpace, desc, serviceUri);
CodeDomUtility.SaveCompileUnitToFile(compileUnit, option, CodeDomUtility.GenerateFileName(desc.ScopeName, dirInfo, filePrefix, "OfflineContext", option));
// Then generate the file containing the actual entities
compileUnit = GenerateEntitiesFile(nameSpace, desc, colsMappingInfo);
CodeDomUtility.SaveCompileUnitToFile(compileUnit, option, CodeDomUtility.GenerateFileName(desc.ScopeName, dirInfo, filePrefix, "Entities", option));
}
private CodeCompileUnit GenerateEntitiesFile(string nameSpace, Data.DbSyncScopeDescription desc, Dictionary <string, Dictionary <string, string> > colsMappingInfo)
{
CodeCompileUnit entitiesCC = new CodeCompileUnit();
CodeNamespace entityScopeNs = new CodeNamespace(nameSpace);
// Generate the entities
foreach (DbSyncTableDescription table in desc.Tables)
{
Dictionary <string, string> curTableMapping = null;
colsMappingInfo.TryGetValue(table.UnquotedGlobalName, out curTableMapping);
// Generate the actual entity
CodeTypeDeclaration entityDecl = CodeDomUtility.GetSQLiteEntityForTableDescription(table, true, curTableMapping);
// Add the base type for the entity
entityDecl.BaseTypes.Add(new CodeTypeReference(Constants.SQLiteOfflineEntity));
entityScopeNs.Types.Add(entityDecl);
foreach (CodeTypeMember member in entityDecl.Members)
{
CodeMemberProperty prop = member as CodeMemberProperty;
if (prop != null)
{
// For each setter add the OnPropertyChanging and OnPropertyChanged lines
CodeStatement stmt = prop.SetStatements[0];
prop.SetStatements.Clear();
prop.SetStatements.Add(new CodeMethodInvokeExpression(
new CodeBaseReferenceExpression(),
Constants.ClientCallOnPropertyChanging,
new CodeSnippetExpression(string.Format(Constants.StringifyProperty, prop.Name)))
);
prop.SetStatements.Add(stmt);
prop.SetStatements.Add(new CodeMethodInvokeExpression(
new CodeBaseReferenceExpression(),
Constants.ClientCallOnPropertyChanged,
new CodeSnippetExpression(string.Format(Constants.StringifyProperty, prop.Name)))
);
}
}
}
entitiesCC.Namespaces.Add(entityScopeNs);
return(entitiesCC);
}
public override void GenerateEntities(string filePrefix, string nameSpace, Data.DbSyncScopeDescription desc, Dictionary <string, Dictionary <string, string> > colsMappingInfo,
System.IO.DirectoryInfo dirInfo, CodeLanguage option, string serviceUri)
{
CodeCompileUnit entitiesCC = new CodeCompileUnit();
CodeNamespace entityScopeNs = new CodeNamespace(nameSpace);
// Generate the base class for all the entities which will implement IOfflineEntity
CodeTypeDeclaration baseEntity = CodeDomUtility.CreateIOfflineEntityCustomBaseClass(
string.IsNullOrEmpty(filePrefix) ? desc.ScopeName : filePrefix,
false /*isServer*/);
// Set the base type
// VB uses different keywords for class and interface inheritence. For it to emit the
// right keyword it must inherit from object first before the actual interface.
baseEntity.BaseTypes.Add(new CodeTypeReference(typeof(object)));
baseEntity.BaseTypes.Add(new CodeTypeReference(Constants.ClientIOfflineEntity));
entityScopeNs.Types.Add(baseEntity);
// Generate the entities
foreach (DbSyncTableDescription table in desc.Tables)
{
Dictionary <string, string> curTableMapping = null;
colsMappingInfo.TryGetValue(table.UnquotedGlobalName, out curTableMapping);
// Generate the actual entity
CodeTypeDeclaration entityDecl = CodeDomUtility.GetEntityForTableDescription(table, true, curTableMapping);
// Set the base type
entityDecl.BaseTypes.Add(baseEntity.Name);
//Add it to the overall scope
entityScopeNs.Types.Add(entityDecl);
}
entitiesCC.Namespaces.Add(entityScopeNs);
// Generate the files
CodeDomUtility.SaveCompileUnitToFile(entitiesCC, option, CodeDomUtility.GenerateFileName(desc.ScopeName, dirInfo, filePrefix, "Entities", option));
}
private static CodeCompileUnit GenerateEntitiesCompileUnit(string prefix, string nameSpace, Data.DbSyncScopeDescription desc, Dictionary <string, Dictionary <string, string> > colsMappingInfo)
{
CodeCompileUnit cc = new CodeCompileUnit();
CodeNamespace scopeNs = new CodeNamespace(nameSpace);
// Generate the outer most entity
CodeTypeDeclaration wrapperEntity = new CodeTypeDeclaration(
string.Format(Constants.ServiceOuterEntityNameFormat, string.IsNullOrEmpty(prefix) ? desc.ScopeName : prefix)
);
wrapperEntity.CustomAttributes.Add(new CodeAttributeDeclaration(Constants.ServiceSyncScopeAttributeDefinition));
// Generate the base class for all the entities which will implement IOfflineEntity
CodeTypeDeclaration baseEntity = CodeDomUtility.CreateIOfflineEntityCustomBaseClass(
string.IsNullOrEmpty(prefix) ? desc.ScopeName : prefix,
true /*isServer*/);
// Set the base type
// VB uses different keywords for class and interface inheritence. For it to emit the
// right keyword it must inherit from object first before the actual interface.
baseEntity.BaseTypes.Add(new CodeTypeReference(typeof(object)));
baseEntity.BaseTypes.Add(new CodeTypeReference(Constants.ServiceIOfflineEntity));
scopeNs.Types.Add(baseEntity);
// Generate the entities
foreach (DbSyncTableDescription table in desc.Tables)
{
Dictionary <string, string> curTableMapping = null;
colsMappingInfo.TryGetValue(table.UnquotedGlobalName, out curTableMapping);
string tableName = CodeDomUtility.SanitizeName(table.UnquotedGlobalName);
CodeTypeReference icollReference = new CodeTypeReference(typeof(ICollection <>));
// Generate the private field
CodeTypeReference entityReference = new CodeTypeReference(tableName);
icollReference.TypeArguments.Clear();
icollReference.TypeArguments.Add(entityReference);
CodeMemberField itemCollectionField = new CodeMemberField(icollReference, string.Format(Constants.EntityFieldNameFormat, tableName));
itemCollectionField.Attributes = MemberAttributes.Private;
wrapperEntity.Members.Add(itemCollectionField);
// Generate the actual entity
CodeTypeDeclaration entityDecl = CodeDomUtility.GetEntityForTableDescription(table, false /*addKeyAttributes*/, curTableMapping);
entityDecl.BaseTypes.Add(baseEntity.Name);
var syncEntityAttributeDeclaration = new CodeAttributeDeclaration(Constants.ServiceSyncEntityAttribute,
new CodeAttributeArgument("TableGlobalName", new CodeSnippetExpression("\"" + CodeDomUtility.SanitizeName(table.UnquotedGlobalName) + "\"")),
// table.LocalName is quoted and contains the schema name.
new CodeAttributeArgument("TableLocalName", new CodeSnippetExpression("\"" + table.LocalName + "\"")),
new CodeAttributeArgument("KeyFields",
new CodeSnippetExpression("\"" +
String.Join(",", table.PkColumns.
Select(e => CodeDomUtility.SanitizeName(GetKeyColumnName(e.UnquotedName, curTableMapping))).ToArray()) +
"\"")));
// Use the PkColumns property to generate the column list for the KeyFields property.
// This is important as it is used later to generate SyncId's for rows and ordering is important.
entityDecl.CustomAttributes.Add(syncEntityAttributeDeclaration);
scopeNs.Types.Add(entityDecl);
}
scopeNs.Types.Add(wrapperEntity);
cc.Namespaces.Add(scopeNs);
return(cc);
}
