private static MethodBuilder BuildEqualsMethod(
string typeName,
IReadOnlyList <PropertyDescriptor> properties)
{
const string other = nameof(other);
ConditionBuilder equalCondition =
ConditionBuilder
.New()
.SetReturn()
.SetDetermineStatement();
if (properties.Count == 0)
{
equalCondition.And("true");
}
else
{
foreach (PropertyDescriptor property in properties)
{
equalCondition.And(ConditionBuilder
.New()
.Set(BuildPropertyComparison(property.Type, property.Name)));
}
}
return(MethodBuilder
.New()
.SetName(nameof(IEquatable <object> .Equals))
.SetPublic()
.SetInheritance(Inheritance.Virtual)
.SetReturnType(TypeNames.Boolean)
.AddParameter(other, x => x.SetType(typeName.MakeNullable()))
.AddCode(CodeBlockBuilder
.New()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("null")
.AddArgument(other))
.AddCode("return false;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("this")
.AddArgument(other))
.AddCode("return true;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition($"{other}.GetType() != GetType()")
.AddCode("return false;"))
.AddEmptyLine()
.AddCode(equalCondition)));
}
public void Test_InternalOr()
{
ConditionBuilder builder = new ConditionBuilder();
builder.And(x =>
{
x.Or(y =>
{
y.Equal("C.MemberId", "007")
.In("C.CheckFlag", new[] { 3, 4 })
.In("C.Flag", new[] { 1, 2 });
})
.Or(y =>
{
y.NotEqual("C.MemberId", "007")
.Equal("C.CheckFlag", 4)
.Equal("C.Flag", 2);
});
});
var result = builder.ToString();
var param = builder.GetParamDict().ToJson();
Console.WriteLine(result);
Console.WriteLine(param);
}
public void Test_ChildIn()
{
ConditionBuilder builder = new ConditionBuilder();
builder.In("A.ID", "select Id from User");
builder.In("A.ID", new[] { 1, 2, 3, 4, 56, 7 });
builder.And(x =>
{
x.Contains("A.Name", "测试");
});
var result = builder.ToString();
var param = builder.GetParamDict().ToJson();
Console.WriteLine(result);
Console.WriteLine(param);
}
public static ClassBuilder AddEquality(
this ClassBuilder builder,
string typeName,
IReadOnlyList <PropertyDescriptor> properties)
{
const string obj = nameof(obj);
const string other = nameof(other);
builder.AddImplements(TypeNames.IEquatable.WithGeneric(typeName));
builder
.AddMethod(nameof(IEquatable <object> .Equals))
.SetPublic()
.SetOverride()
.SetReturnType(TypeNames.Boolean)
.AddParameter(obj, x => x.SetType(TypeNames.Object.MakeNullable()))
.AddCode(CodeBlockBuilder
.New()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("null")
.AddArgument(obj))
.AddCode("return false;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("this")
.AddArgument(obj))
.AddCode("return true;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition($"{obj}.GetType() != GetType()")
.AddCode("return false;"))
.AddEmptyLine()
.AddLine($"return Equals(({typeName}){obj});"));
ConditionBuilder equalCondition =
ConditionBuilder
.New()
.SetReturn()
.SetDetermineStatement();
if (properties.Count == 0)
{
equalCondition.And("true");
}
else
{
foreach (PropertyDescriptor property in properties)
{
equalCondition.And(ConditionBuilder
.New()
.Set(BuildPropertyComparison(property.Type, property.Name)));
}
}
builder
.AddMethod(nameof(IEquatable <object> .Equals))
.SetPublic()
.SetReturnType(TypeNames.Boolean)
.AddParameter(other, x => x.SetType(typeName.MakeNullable()))
.AddCode(CodeBlockBuilder
.New()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("null")
.AddArgument(other))
.AddCode("return false;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("this")
.AddArgument(other))
.AddCode("return true;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition($"{other}.GetType() != GetType()")
.AddCode("return false;"))
.AddEmptyLine()
.AddCode(equalCondition));
builder
.AddMethod(nameof(GetHashCode))
.SetPublic()
.SetOverride()
.SetReturnType(TypeNames.Int32)
.AddCode(HashCodeBuilder
.New()
.AddProperties(properties));
return(builder);
}
