[#BloombergLP-bdlcc-ObjectCatalogIter-2constructor-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/ObjectCatalogIter.adoc[ObjectCatalogIter]::ObjectCatalogIter
:relfileprefix: ../../../
:mrdocs:

Create an iterator for the specified `catalog` and associate it with the member of the `catalog` associated with the specified `handle`. If the `catalog` is empty or if `handle` is invalid, then the iterator is initialized to be invalid. The `catalog` is locked for read for the duration of iterator's life.

== Synopsis

Declared in `<bdlcc_objectcatalog.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
ObjectCatalogIter(
    xref:BloombergLP/bdlcc/ObjectCatalog.adoc[ObjectCatalog<TYPE>] const& catalog,
    int handle);
----


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