1 files changed, 27 insertions, 0 deletions
diff --git a/vendor/ruflin/elastica/lib/Elastica/Aggregation/SignificantTerms.php b/vendor/ruflin/elastica/lib/Elastica/Aggregation/SignificantTerms.php
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index 00000000..fa394791
--- /dev/null
+++ b/vendor/ruflin/elastica/lib/Elastica/Aggregation/SignificantTerms.php
@@ -0,0 +1,27 @@
+<?php
+namespace Elastica\Aggregation;
+
+use Elastica\Filter\AbstractFilter;
+
+/**
+ * Class SignificantTerms.
+ *
+ * @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-significantterms-aggregation.html
+ */
+class SignificantTerms extends AbstractTermsAggregation
+{
+    /**
+     * The default source of statistical information for background term frequencies is the entire index and this scope can
+     * be narrowed through the use of a background_filter to focus in on significant terms within a narrower context.
+     *
+     * @param AbstractFilter $filter
+     *
+     * @return $this
+     *
+     * @see https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-significantterms-aggregation.html#_custom_background_context
+     */
+    public function setBackgroundFilter(AbstractFilter $filter)
+    {
+        return $this->setParam('background_filter', $filter->toArray());
+    }
+}