private static CodeCompileUnit GenerateContextFile(string prefix, string nameSpace, DbSyncScopeDescription desc, string serviceUri)
{
CodeCompileUnit contextCC = new CodeCompileUnit();
CodeNamespace ctxScopeNs = new CodeNamespace(nameSpace);
// Generate the outer most entity
CodeTypeDeclaration wrapperEntity = new CodeTypeDeclaration(
string.Format(Constants.ClientContextClassNameFormat, string.IsNullOrEmpty(prefix) ? desc.ScopeName : prefix)
);
// Add SQLiteContext base type
wrapperEntity.BaseTypes.Add(Constants.SQLiteContextBaseType);
#region Generate the GetSchema method
CodeMemberMethod getSchemaMethod = new CodeMemberMethod();
getSchemaMethod.Name = Constants.ClientIsolatedStoreGetSchemaMethodName;
getSchemaMethod.Attributes = MemberAttributes.Private | MemberAttributes.Final | MemberAttributes.Static;
getSchemaMethod.ReturnType = new CodeTypeReference(Constants.SQLiteSchemaBaseType);
// Add the line 'OfflineSchema schema = new OfflineSchema ()'
CodeVariableDeclarationStatement initSchemaStmt = new CodeVariableDeclarationStatement(Constants.SQLiteSchemaBaseType, "schema");
initSchemaStmt.InitExpression = new CodeObjectCreateExpression(Constants.SQLiteSchemaBaseType);
getSchemaMethod.Statements.Add(initSchemaStmt);
#endregion
// Generate the entities
foreach (DbSyncTableDescription table in desc.Tables)
{
string tableName = CodeDomUtility.SanitizeName(table.UnquotedGlobalName);
CodeTypeReference icollReference = new CodeTypeReference(typeof(IEnumerable <>));
// Generate the private field
CodeTypeReference entityReference = new CodeTypeReference(tableName);
icollReference.TypeArguments.Clear();
icollReference.TypeArguments.Add(entityReference);
#region Add this entity to the GetSchema method
CodeMethodInvokeExpression expr = new CodeMethodInvokeExpression();
expr.Method = new CodeMethodReferenceExpression();
expr.Method.TargetObject = new CodeVariableReferenceExpression("schema");
expr.Method.MethodName = "AddCollection";
expr.Method.TypeArguments.Add(tableName);
getSchemaMethod.Statements.Add(expr);
#endregion
}
#region Add a const for the scopeName and default URL
CodeMemberField scopeField = new CodeMemberField(typeof(string), "SyncScopeName");
scopeField.Attributes = MemberAttributes.Const | MemberAttributes.Private;
scopeField.InitExpression = new CodePrimitiveExpression(desc.ScopeName);
wrapperEntity.Members.Add(scopeField);
if (serviceUri != null)
{
CodeMemberField urlField = new CodeMemberField(typeof(Uri), "SyncScopeUri");
urlField.Attributes = MemberAttributes.Static | MemberAttributes.Private;
urlField.InitExpression = new CodeObjectCreateExpression(typeof(Uri), new CodePrimitiveExpression(serviceUri));
wrapperEntity.Members.Add(urlField);
}
#endregion
#region Add Constructor
if (serviceUri != null)
{
// If serviceUri is present then add constructors with just the cachePath and
// cachePath with encryption algorithm specified
// Add the constructor with just the cachepath
CodeConstructor ctor1 = new CodeConstructor();
ctor1.Attributes = MemberAttributes.Public;
ctor1.Parameters.Add(new CodeParameterDeclarationExpression(typeof(string), Constants.ClientCachePathArgName));
ctor1.ChainedConstructorArgs.Add(new CodeSnippetExpression(Constants.ClientIsolatedStoreCallCtorWithUri));
wrapperEntity.Members.Add(ctor1);
}
// Add the constructor with no encryption
CodeConstructor ctor = new CodeConstructor();
ctor.Attributes = MemberAttributes.Public;
ctor.Parameters.Add(new CodeParameterDeclarationExpression(typeof(string), Constants.ClientCachePathArgName));
ctor.Parameters.Add(new CodeParameterDeclarationExpression(typeof(Uri), Constants.ClientServiceUriArgName));
// add the optional CookieContainer parameter
var cpdeCookieContainer = new CodeParameterDeclarationExpression(typeof(CookieContainer), Constants.ClientServiceCookieContainerArgName);
cpdeCookieContainer.CustomAttributes.Add(new CodeAttributeDeclaration(Constants.ClientServiceCookieContainerArgAttrOptional));
cpdeCookieContainer.CustomAttributes.Add(new CodeAttributeDeclaration(Constants.ClientServiceCookieContainerArgAttrDefaultParam, new CodeAttributeArgument(new CodePrimitiveExpression(null))));
ctor.Parameters.Add(cpdeCookieContainer);
ctor.BaseConstructorArgs.Add(
new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(
new CodeSnippetExpression(wrapperEntity.Name), Constants.ClientIsolatedStoreGetSchemaMethodName),
new CodeParameterDeclarationExpression[] { }));
ctor.BaseConstructorArgs.Add(new CodeSnippetExpression(Constants.ClientIsolatedStoreBaseCtor));
wrapperEntity.Members.Add(ctor);
#endregion
getSchemaMethod.Statements.Add(new CodeMethodReturnStatement(new CodeSnippetExpression("schema")));
wrapperEntity.Members.Add(getSchemaMethod);
ctxScopeNs.Types.Add(wrapperEntity);
contextCC.Namespaces.Add(ctxScopeNs);
return(contextCC);
}
private static CodeCompileUnit GenerateEntitiesCompileUnit(string prefix, string nameSpace,
DbSyncScopeDescription desc, Dictionary <string, Dictionary <string, string> > colsMappingInfo)
{
var cc = new CodeCompileUnit();
var scopeNs = new CodeNamespace(nameSpace);
// Generate the outer most entity
var 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
var 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 (var table in desc.Tables)
{
Dictionary <string, string> curTableMapping = null;
colsMappingInfo.TryGetValue(table.UnquotedGlobalName, out curTableMapping);
var tableName = CodeDomUtility.SanitizeName(table.UnquotedGlobalName);
var icollReference = new CodeTypeReference(typeof(ICollection <>));
// Generate the private field
var entityReference = new CodeTypeReference(tableName);
icollReference.TypeArguments.Clear();
icollReference.TypeArguments.Add(entityReference);
var itemCollectionField = new CodeMemberField(icollReference,
string.Format(Constants.EntityFieldNameFormat, tableName));
itemCollectionField.Attributes = MemberAttributes.Private;
wrapperEntity.Members.Add(itemCollectionField);
// Generate the actual entity
var 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);
}
private static CodeCompileUnit GenerateContextFile(string prefix, string nameSpace, DbSyncScopeDescription desc, string serviceUri)
{
CodeCompileUnit contextCC = new CodeCompileUnit();
CodeNamespace ctxScopeNs = new CodeNamespace(nameSpace);
// Generate the outer most entity
CodeTypeDeclaration wrapperEntity = new CodeTypeDeclaration(
string.Format(Constants.ClientContextClassNameFormat, string.IsNullOrEmpty(prefix) ? desc.ScopeName : prefix)
);
wrapperEntity.BaseTypes.Add(Constants.ClientContextBaseType);
#region Generate the GetSchema method
CodeMemberMethod getSchemaMethod = new CodeMemberMethod();
getSchemaMethod.Name = Constants.ClientIsolatedStoreGetSchemaMethodName;
getSchemaMethod.Attributes = MemberAttributes.Private | MemberAttributes.Final | MemberAttributes.Static;
getSchemaMethod.ReturnType = new CodeTypeReference(Constants.ClientSchemaBaseType);
// Add the line 'IsolatedStoreSchema schema = new IsolatedStoreSchema()'
CodeVariableDeclarationStatement initSchemaStmt = new CodeVariableDeclarationStatement(Constants.ClientSchemaBaseType, "schema");
initSchemaStmt.InitExpression = new CodeObjectCreateExpression(Constants.ClientSchemaBaseType);
getSchemaMethod.Statements.Add(initSchemaStmt);
#endregion
// Generate the entities
foreach (DbSyncTableDescription table in desc.Tables)
{
string tableName = CodeDomUtility.SanitizeName(table.UnquotedGlobalName);
CodeTypeReference icollReference = new CodeTypeReference(typeof(IEnumerable <>));
// Generate the private field
CodeTypeReference entityReference = new CodeTypeReference(tableName);
icollReference.TypeArguments.Clear();
icollReference.TypeArguments.Add(entityReference);
#region Generate the AddXXX method.
// Define the method signature as 'public void Add[Entity]([Entity] entity)'
CodeMemberMethod addMethod = new CodeMemberMethod();
addMethod.Name = string.Format(Constants.ClientContextAddMethodFormat, tableName);
addMethod.Parameters.Add(new CodeParameterDeclarationExpression(tableName, "entity"));
addMethod.ReturnType = new CodeTypeReference(typeof(void));
addMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final;
//Generate the base.Add method
CodeMethodInvokeExpression baseAddExpr = new CodeMethodInvokeExpression();
baseAddExpr.Method = new CodeMethodReferenceExpression();
baseAddExpr.Method.TargetObject = new CodeBaseReferenceExpression();
baseAddExpr.Method.MethodName = Constants.ClientAddMethodBodyFormat;
baseAddExpr.Method.TypeArguments.Add(tableName);
baseAddExpr.Parameters.Add(new CodeSnippetExpression(Constants.ClientEntityVariableName));
addMethod.Statements.Add(baseAddExpr);
#endregion
wrapperEntity.Members.Add(addMethod);
#region Generate the DeleteXXX method.
// Define the method signature as 'public void Add[Entity]([Entity] entity)'
CodeMemberMethod delMethod = new CodeMemberMethod();
delMethod.Name = string.Format(Constants.ClientContextDeleteMethodFormat, tableName);
delMethod.Parameters.Add(new CodeParameterDeclarationExpression(tableName, Constants.ClientEntityVariableName));
delMethod.ReturnType = new CodeTypeReference(typeof(void));
delMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final;
//Generate the base.Add method
CodeMethodInvokeExpression baseDelExpr = new CodeMethodInvokeExpression();
baseDelExpr.Method = new CodeMethodReferenceExpression();
baseDelExpr.Method.TargetObject = new CodeBaseReferenceExpression();
baseDelExpr.Method.MethodName = Constants.ClientDeleteMethodBodyFormat;
baseDelExpr.Method.TypeArguments.Add(tableName);
baseDelExpr.Parameters.Add(new CodeSnippetExpression(Constants.ClientEntityVariableName));
delMethod.Statements.Add(baseDelExpr);
#endregion
wrapperEntity.Members.Add(delMethod);
#region Generate the [Entities] property
CodeMethodInvokeExpression getCollectionExpr = new CodeMethodInvokeExpression();
getCollectionExpr.Method = new CodeMethodReferenceExpression();
getCollectionExpr.Method.TargetObject = new CodeBaseReferenceExpression();
getCollectionExpr.Method.MethodName = Constants.ClientGetCollectionMethodBodyFormat;
getCollectionExpr.Method.TypeArguments.Add(tableName);
CodeMemberProperty getProperty = new CodeMemberProperty();
getProperty.Name = string.Format(Constants.EntityGetCollectionFormat, tableName);
getProperty.Attributes = MemberAttributes.Public | MemberAttributes.Final;
getProperty.Type = icollReference;
getProperty.GetStatements.Add(new CodeMethodReturnStatement(getCollectionExpr));
#endregion
wrapperEntity.Members.Add(getProperty);
#region Add this entity to the GetSchema method
CodeMethodInvokeExpression expr = new CodeMethodInvokeExpression();
expr.Method = new CodeMethodReferenceExpression();
expr.Method.TargetObject = new CodeVariableReferenceExpression("schema");
expr.Method.MethodName = "AddCollection";
expr.Method.TypeArguments.Add(tableName);
getSchemaMethod.Statements.Add(expr);
#endregion
}
#region Add a const for the scopeName and default URL
CodeMemberField scopeField = new CodeMemberField(typeof(string), "SyncScopeName");
scopeField.Attributes = MemberAttributes.Const | MemberAttributes.Private;
scopeField.InitExpression = new CodePrimitiveExpression(desc.ScopeName);
wrapperEntity.Members.Add(scopeField);
if (serviceUri != null)
{
CodeMemberField urlField = new CodeMemberField(typeof(Uri), "SyncScopeUri");
urlField.Attributes = MemberAttributes.Static | MemberAttributes.Private;
urlField.InitExpression = new CodeObjectCreateExpression(typeof(Uri), new CodePrimitiveExpression(serviceUri));
wrapperEntity.Members.Add(urlField);
}
#endregion
#region Add Constructor
if (serviceUri != null)
{
// If serviceUri is present then add constructors with just the cachePath and
// cachePath with encryption algorithm specified
// Add the constructor with just the cachepath
CodeConstructor ctor1 = new CodeConstructor();
ctor1.Attributes = MemberAttributes.Public;
ctor1.Parameters.Add(new CodeParameterDeclarationExpression(typeof(string), Constants.ClientCachePathArgName));
ctor1.ChainedConstructorArgs.Add(new CodeSnippetExpression(Constants.ClientIsolatedStoreCallCtorWithUri));
wrapperEntity.Members.Add(ctor1);
// Add the constructor with just cache path and encryption overload
CodeConstructor eCtor1 = new CodeConstructor();
eCtor1.Attributes = MemberAttributes.Public;
eCtor1.Parameters.Add(new CodeParameterDeclarationExpression(typeof(string), Constants.ClientCachePathArgName));
eCtor1.Parameters.Add(new CodeParameterDeclarationExpression(Type.GetType(Constants.SymmetricAlgorithmTypeName),
Constants.ClientSymmetricAlgorithmArgName));
eCtor1.ChainedConstructorArgs.Add(new CodeSnippetExpression(Constants.ClientIsolatedStoreCallEncryptedCtorWithUri));
wrapperEntity.Members.Add(eCtor1);
}
// Add the constructor with no encryption
CodeConstructor ctor = new CodeConstructor();
ctor.Attributes = MemberAttributes.Public;
ctor.Parameters.Add(new CodeParameterDeclarationExpression(typeof(string), Constants.ClientCachePathArgName));
ctor.Parameters.Add(new CodeParameterDeclarationExpression(typeof(Uri), Constants.ClientServiceUriArgName));
ctor.BaseConstructorArgs.Add(
new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(
new CodeSnippetExpression(wrapperEntity.Name), Constants.ClientIsolatedStoreGetSchemaMethodName),
new CodeParameterDeclarationExpression[] {}));
ctor.BaseConstructorArgs.Add(new CodeSnippetExpression(Constants.ClientIsolatedStoreBaseCtor));
wrapperEntity.Members.Add(ctor);
// Add the constructor with encryption overload
CodeConstructor eCtor = new CodeConstructor();
eCtor.Attributes = MemberAttributes.Public;
eCtor.Parameters.Add(new CodeParameterDeclarationExpression(typeof(string), Constants.ClientCachePathArgName));
eCtor.Parameters.Add(new CodeParameterDeclarationExpression(typeof(Uri), Constants.ClientServiceUriArgName));
eCtor.Parameters.Add(new CodeParameterDeclarationExpression(Type.GetType(Constants.SymmetricAlgorithmTypeName),
Constants.ClientSymmetricAlgorithmArgName));
eCtor.BaseConstructorArgs.Add(
new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(
new CodeSnippetExpression(wrapperEntity.Name), Constants.ClientIsolatedStoreGetSchemaMethodName),
new CodeParameterDeclarationExpression[] { }));
eCtor.BaseConstructorArgs.Add(new CodeSnippetExpression(Constants.ClientIsolatedStoreEncryptedBaseCtor));
wrapperEntity.Members.Add(eCtor);
#endregion
getSchemaMethod.Statements.Add(new CodeMethodReturnStatement(new CodeSnippetExpression("schema")));
wrapperEntity.Members.Add(getSchemaMethod);
ctxScopeNs.Types.Add(wrapperEntity);
contextCC.Namespaces.Add(ctxScopeNs);
return(contextCC);
}