[#BloombergLP-baljsn-EncodeImplUtil_SelectionDispatcher]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/baljsn.adoc[baljsn]::EncodeImplUtil_SelectionDispatcher
:relfileprefix: ../../
:mrdocs:

This component‐private class provides a function object that closes over the `formatter`, `logStream`, and `options` parameters that are shared between all encoding operations provided in this component. The function‐call operator of this class provides an overload set that accepts a "selection" object that satisfies one of the `bdlat` type‐category concepts, and an optional `bdlat_TypeCategory` tag type that corresponds to the selections's `bdlat` type category. Each function‐call‐operator overload encodes a JSON representation of the specified selection to the `formatter` supplied on construction.

== Synopsis

Declared in `<baljsn_encodeimplutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class FORMATTER>
class EncodeImplUtil_SelectionDispatcher;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/baljsn/EncodeImplUtil_SelectionDispatcher/FormattingMode.adoc[`FormattingMode`] 
| `FormattingMode` is an alias to the type of an `int`‐valued `bdlat_FormattingMode` bit‐field. A `FormattingMode` value is not valid unless it is equal to an enumerator of `bdlat_FormattingMode` or a valid bitwise‐or of two or more such enumerators. See the component‐level documentation of {`bdlat_formattingmode`} for a description of the set of valid formatting‐mode values.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/baljsn/EncodeImplUtil_SelectionDispatcher/2constructor.adoc[`EncodeImplUtil_SelectionDispatcher`]         [.small]#[constructor]#
| Construct an `EncodeImplUtil_SelectionDispatcher` object having the specified `formatter`, `logStream`, and `options` attributes.
| xref:BloombergLP/baljsn/EncodeImplUtil_SelectionDispatcher/isNextObjectFirst.adoc[`isNextObjectFirst`] 
| Return the value of the `isNextElementFirst` attribute of this object.
| xref:BloombergLP/baljsn/EncodeImplUtil_SelectionDispatcher/operator_call-09.adoc[`operator()`] 
| Function call operators
|===



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