MapSchema.cs

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using System;
using System.Collections.Generic;
using System.Text;
using Newtonsoft.Json.Linq;

namespace Avro
{
    public class MapSchema : UnnamedSchema
    {
        public Schema ValueSchema { get; set; }

        public static MapSchema CreateMap(Schema type)
        {
            return new MapSchema(type,null);
        }

        internal static MapSchema NewInstance(JToken jtok, PropertyMap props, SchemaNames names, string encspace)
        {
            JToken jvalue = jtok["values"];
            if (null == jvalue) throw new AvroTypeException("Map does not have 'values'");

            return new MapSchema(Schema.ParseJson(jvalue, names, encspace), props);
        }

        private MapSchema(Schema valueSchema, PropertyMap props) : base(Type.Map, props)
        {
            if (null == valueSchema) throw new ArgumentNullException("valueSchema", "valueSchema cannot be null.");
            this.ValueSchema = valueSchema;
        }

        protected internal override void WriteJsonFields(Newtonsoft.Json.JsonTextWriter writer, SchemaNames names, string encspace)
        {
            writer.WritePropertyName("values");
            ValueSchema.WriteJson(writer, names, encspace);
        }

        public override bool CanRead(Schema writerSchema)
        {
            if (writerSchema.Tag != Tag) return false;

            MapSchema that = writerSchema as MapSchema;
            return ValueSchema.CanRead(that.ValueSchema);
        }

        public override bool Equals(object obj)
        {
            if (this == obj) return true;

            if (obj != null && obj is MapSchema)
            {
                MapSchema that = obj as MapSchema;
                if (ValueSchema.Equals(that.ValueSchema))
                    return areEqual(that.Props, this.Props);
            }
            return false;
        }

        public override int GetHashCode()
        {
            return 29 * ValueSchema.GetHashCode() + getHashCode(Props);
        }
    }
}