public Map<String, Long> countByField(IndexField indexField, FilterBuilder filter) {
Map<String, Long> counts = new HashMap<>();
SearchRequestBuilder request =
client
.prepareSearch(this.getIndexName())
.setTypes(this.getIndexType())
.setQuery(QueryBuilders.filteredQuery(QueryBuilders.matchAllQuery(), filter))
.setSize(0)
.addAggregation(
AggregationBuilders.terms(indexField.field())
.field(indexField.field())
.order(Terms.Order.count(false))
.size(Integer.MAX_VALUE)
.minDocCount(0));
SearchResponse response = request.get();
Terms values = response.getAggregations().get(indexField.field());
for (Terms.Bucket value : values.getBuckets()) {
counts.put(value.getKey(), value.getDocCount());
}
return counts;
}
@Override
@CheckForNull
public Date getLastSynchronization(Map<String, String> params) {
SearchRequestBuilder request =
client
.prepareSearch(this.getIndexName())
.setTypes(this.getIndexType())
.setQuery(
QueryBuilders.filteredQuery(
QueryBuilders.matchAllQuery(), getLastSynchronizationBuilder(params)))
.setSize(0)
.addAggregation(
AggregationBuilders.max("latest").field(BaseNormalizer.UPDATED_AT_FIELD));
SearchResponse response = request.get();
Max max = response.getAggregations().get("latest");
if (max.getValue() > 0) {
Date date = new DateTime((long) max.getValue()).toDate();
LOG.debug(
"Index {}:{} has last update of {}", this.getIndexName(), this.getIndexType(), date);
return date;
} else {
LOG.debug("Index {}:{} has no last update date", this.getIndexName(), this.getIndexType());
return null;
}
}