const classafJson::JsonTypeMeta

sys::Obj
  afJson::JsonTypeMeta

@Js

Describes how a Fantom Type will be converted to / and from JSON. This holds the JsonConverter instance that will do the converting.

allowSurplusJson

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const Bool? allowSurplusJson

If this type models a JSON object, this value dictates whether or not surplus JSON values are allowed when converting it to Fantom.

If null then the decision is deferred to the ObjConverter implementation, which is true by default.

converter

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const JsonConverter converter

The converter used to convert this object.

field

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Field? field()

The field, if any, this meta corresponds to.

implType

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const Type? implType

The Fantom implementation Type to use when instantiating this object. Use when this field references a mixin or a superclass.

Taken from @JsonProperty.implType and defaults to the field type if not available.

make

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new make(|This f)

Standard it-block ctor for setting const fields.

meta := JsonTypeMeta {
    it.type      = MyType#
    it.converter = MyTypeConverter()
}

method

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Method? method()

The method, if any, this meta corresponds to.

properties

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const Slot:JsonTypeMeta properties := emptyMap

If this type models a JSON object, then this is the meta for the containing properties. Returns empty list if there are no properties.

propertyName

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const Str? propertyName

The property name used when this value is stored in a JSON object.

Taken from @JsonProperty.propertyName and defaults to the field name if not available.

slot

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const Slot? slot

The slot, if any, this meta corresponds to.

stash

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const Obj? stash

Optional stash of data for use by custom converters.

storeNullValues

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const Bool? storeNullValues

Dictates whether or not null values are persisted in JSON objects.

If null then the decision is deferred to the ObjConverter implementation, which is false by default.

Note that the null check is performed on the JSON value after any conversion.

type

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const Type type

The fantom Type being converted.