/// <summary>
/// Initializes a new instance of the <see cref="GetAccessorFactory"/> class. 本质是初始化内部的委托函数
/// </summary>
/// <param name="allowCodeGeneration">if set to <c>true</c> [allow code generation].</param>
public GetAccessorFactory(bool allowCodeGeneration)
{
if (allowCodeGeneration)
{
// Detect runtime environment and create the appropriate factory
if (Environment.Version.Major >= 2)
{
_createPropertyGetAccessor = new CreatePropertyGetAccessor(CreateDynamicPropertyGetAccessor);
_createFieldGetAccessor = new CreateFieldGetAccessor(CreateDynamicFieldGetAccessor);
}
else
{
AssemblyName assemblyName = new AssemblyName();
assemblyName.Name = "iBATIS.FastGetAccessor" + HashCodeProvider.GetIdentityHashCode(this);
// Create a new assembly with one module
_assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run);
_moduleBuilder = _assemblyBuilder.DefineDynamicModule(assemblyName.Name + ".dll");
_createPropertyGetAccessor = new CreatePropertyGetAccessor(CreatePropertyAccessor);
_createFieldGetAccessor = new CreateFieldGetAccessor(CreateFieldAccessor);
}
}
else
{
_createPropertyGetAccessor = new CreatePropertyGetAccessor(CreateReflectionPropertyGetAccessor);
_createFieldGetAccessor = new CreateFieldGetAccessor(CreateReflectionFieldGetAccessor);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="GetAccessorFactory"/> class.
/// </summary>
/// <param name="allowCodeGeneration">if set to <c>true</c> [allow code generation].</param>
public GetAccessorFactory(bool allowCodeGeneration)
{
if (allowCodeGeneration)
{
// Detect runtime environment and create the appropriate factory
if (Environment.Version.Major >= 2)
{
_createPropertyGetAccessor = new CreatePropertyGetAccessor(CreateDynamicPropertyGetAccessor);
_createFieldGetAccessor = new CreateFieldGetAccessor(CreateDynamicFieldGetAccessor);
}
else
{
AssemblyName assemblyName = new AssemblyName();
assemblyName.Name = "iBATIS.FastGetAccessor" + HashCodeProvider.GetIdentityHashCode(this).ToString();
// Create a new assembly with one module
_assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run);
_moduleBuilder = _assemblyBuilder.DefineDynamicModule(assemblyName.Name + ".dll");
_createPropertyGetAccessor = new CreatePropertyGetAccessor(CreatePropertyAccessor);
_createFieldGetAccessor = new CreateFieldGetAccessor(CreateFieldAccessor);
}
}
else
{
_createPropertyGetAccessor = new CreatePropertyGetAccessor(CreateReflectionPropertyGetAccessor);
_createFieldGetAccessor = new CreateFieldGetAccessor(CreateReflectionFieldGetAccessor);
}
}
public GetAccessorFactory(bool allowCodeGeneration)
{
if (allowCodeGeneration)
{
if (Environment.Version.Major >= 2)
{
this._createPropertyGetAccessor = new CreatePropertyGetAccessor(this.CreateDynamicPropertyGetAccessor);
this._createFieldGetAccessor = new CreateFieldGetAccessor(this.CreateDynamicFieldGetAccessor);
}
else
{
AssemblyName name = new AssemblyName {
Name = "iBATIS.FastGetAccessor" + HashCodeProvider.GetIdentityHashCode(this).ToString()
};
this._assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run);
this._moduleBuilder = this._assemblyBuilder.DefineDynamicModule(name.Name + ".dll");
this._createPropertyGetAccessor = new CreatePropertyGetAccessor(this.CreatePropertyAccessor);
this._createFieldGetAccessor = new CreateFieldGetAccessor(this.CreateFieldAccessor);
}
}
else
{
this._createPropertyGetAccessor = new CreatePropertyGetAccessor(this.CreateReflectionPropertyGetAccessor);
this._createFieldGetAccessor = new CreateFieldGetAccessor(this.CreateReflectionFieldGetAccessor);
}
}