Esempio n. 1
0
        public MergeableRow()
        {
            Type curType = this.GetType();
            AttributeProperties curAttrProps;

            lock (AttributePropDict)
            {
                if (!AttributePropDict.TryGetValue(curType, out curAttrProps))
                {
                    curAttrProps = new AttributeProperties();
                    foreach (PropertyInfo propInfo in curType.GetProperties())
                    {
                        var idAttr = propInfo.GetCustomAttribute(typeof(IdColumn)) as IdColumn;
                        if (idAttr != null)
                        {
                            curAttrProps.IdAttributeProps.Add(propInfo);
                        }
                        var compAttr = propInfo.GetCustomAttribute(typeof(CompareColumn)) as CompareColumn;
                        if (compAttr != null)
                        {
                            curAttrProps.CompareAttributeProps.Add(propInfo);
                        }
                        var deleteAttr = propInfo.GetCustomAttribute(typeof(DeleteColumn)) as DeleteColumn;
                        if (deleteAttr != null)
                        {
                            curAttrProps.DeleteAttributeProps.Add(Tuple.Create(propInfo, deleteAttr.DeleteOnMatchValue));
                        }
                    }
                    AttributePropDict.TryAdd(curType, curAttrProps);
                }
            }
        }
Esempio n. 2
0
        public MergeableRow()
        {
            Type curType = this.GetType();
            AttributeProperties curAttrProps;

            if (!AttributePropDict.TryGetValue(curType, out curAttrProps))
            {
                lock (this)
                {
                    curAttrProps = new AttributeProperties();
                    foreach (PropertyInfo propInfo in curType.GetProperties())
                    {
                        var idAttr = propInfo.GetCustomAttribute(typeof(IdColumn)) as IdColumn;
                        if (idAttr != null)
                        {
                            curAttrProps.IdAttributeProps.Add(propInfo);
                        }
                        var compAttr = propInfo.GetCustomAttribute(typeof(CompareColumn)) as CompareColumn;
                        if (compAttr != null)
                        {
                            curAttrProps.CompareAttributeProps.Add(propInfo);
                        }
                    }
                    AttributePropDict.TryAdd(curType, curAttrProps);
                }
            }
        }
Esempio n. 3
0
        /// <summary>
        /// Overriding the Equals implementation. The Equals function is used identify records
        /// that don't need to be updated. Only properties marked with the CompareColumn attribute
        /// are considered for the comparison. If the property is of type object, the Equals() method of the object is used.
        /// </summary>
        /// <param name="other">Object to compare with. Should be of the same type.</param>
        /// <returns>True if all properties marked with CompareColumn attribute are equal.</returns>
        public override bool Equals(object other)
        {
            if (other == null)
            {
                return(false);
            }
            AttributeProperties attrProps = AttributePropDict[this.GetType()];
            bool result = true;

            foreach (var propInfo in attrProps.CompareAttributeProps)
            {
                result &= (propInfo?.GetValue(this))?.Equals(propInfo?.GetValue(other)) ?? false;
            }
            return(result);
        }