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[[index_]]
== Index API
The index API is very similar to the
{java}/index_.html[Java index API]. The Groovy
extension to it is the ability to provide the indexed source using a
closure. For example:
[source,js]
--------------------------------------------------
def indexR = client.index {
index "test"
type "type1"
id "1"
source {
test = "value"
complex {
value1 = "value1"
value2 = "value2"
}
}
}
--------------------------------------------------
In the above example, the source closure itself gets transformed into an
XContent (defaults to JSON). In order to change how the source closure
is serialized, a global (static) setting can be set on the `GClient` by
changing the `indexContentType` field.
Note also that the `source` can be set using the typical Java based
APIs, the `Closure` option is a Groovy extension.
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