本文整理汇总了Java中org.apache.lucene.search.grouping.AbstractGroupFacetCollector.FacetEntry方法的典型用法代码示例。如果您正苦于以下问题：Java AbstractGroupFacetCollector.FacetEntry方法的具体用法？Java AbstractGroupFacetCollector.FacetEntry怎么用？Java AbstractGroupFacetCollector.FacetEntry使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.lucene.search.grouping.AbstractGroupFacetCollector的用法示例。
在下文中一共展示了AbstractGroupFacetCollector.FacetEntry方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: groupVariations
import org.apache.lucene.search.grouping.AbstractGroupFacetCollector; //导入方法依赖的package包/类
/**
* Groups variations from specified {@link List} of {@link VcfFile}s by specified field
* @param files a {@link List} of {@link FeatureFile}, which indexes to search
* @param query a query to search in index
* @param groupBy a field to perform grouping
* @return a {@link List} of {@link Group}s, mapping field value to number of variations, having this value
* @throws IOException if something goes wrong with the file system
*/
public List<Group> groupVariations(List<VcfFile> files, Query query, String groupBy) throws IOException {
List<Group> res = new ArrayList<>();
if (CollectionUtils.isEmpty(files)) {
return Collections.emptyList();
}
SimpleFSDirectory[] indexes = fileManager.getIndexesForFiles(files);
try (MultiReader reader = openMultiReader(indexes)) {
if (reader.numDocs() == 0) {
return Collections.emptyList();
}
IndexSearcher searcher = new IndexSearcher(reader);
AbstractGroupFacetCollector groupedFacetCollector =
TermGroupFacetCollector.createTermGroupFacetCollector(FeatureIndexFields.UID.fieldName,
getGroupByField(files, groupBy), false, null, GROUP_INITIAL_SIZE);
searcher.search(query, groupedFacetCollector); // Computing the grouped facet counts
TermGroupFacetCollector.GroupedFacetResult groupedResult = groupedFacetCollector.mergeSegmentResults(
reader.numDocs(), 1, false);
List<AbstractGroupFacetCollector.FacetEntry> facetEntries = groupedResult.getFacetEntries(0,
reader.numDocs());
for (AbstractGroupFacetCollector.FacetEntry facetEntry : facetEntries) {
res.add(new Group(facetEntry.getValue().utf8ToString(), facetEntry.getCount()));
}
} finally {
for (SimpleFSDirectory index : indexes) {
IOUtils.closeQuietly(index);
}
}
return res;
}
示例2: groupVariations
import org.apache.lucene.search.grouping.AbstractGroupFacetCollector; //导入方法依赖的package包/类
/**
* Groups variations from specified {@link List} of {@link VcfFile}s by specified field
* @param files a {@link List} of {@link FeatureFile}, which indexes to search
* @param query a query to search in index
* @param groupBy a field to perform grouping
* @return a {@link List} of {@link Group}s, mapping field value to number of variations, having this value
* @throws IOException if something goes wrong with the file system
*/
public List<Group> groupVariations(List<VcfFile> files, Query query, String groupBy) throws IOException {
List<Group> res = new ArrayList<>();
if (CollectionUtils.isEmpty(files)) {
return Collections.emptyList();
}
SimpleFSDirectory[] indexes = fileManager.getIndexesForFiles(files);
long totalIndexSize = getTotalIndexSize(indexes);
if (totalIndexSize > luceneIndexMaxSizeForGrouping) {
throw new IllegalArgumentException(getMessage(MessagesConstants.ERROR_FEATURE_INEDX_TOO_LARGE));
}
try (MultiReader reader = openMultiReader(indexes)) {
if (reader.numDocs() == 0) {
return Collections.emptyList();
}
IndexSearcher searcher = new IndexSearcher(reader);
AbstractGroupFacetCollector groupedFacetCollector =
TermGroupFacetCollector.createTermGroupFacetCollector(FeatureIndexFields.UID.fieldName,
getGroupByField(files, groupBy), false, null, GROUP_INITIAL_SIZE);
searcher.search(query, groupedFacetCollector); // Computing the grouped facet counts
TermGroupFacetCollector.GroupedFacetResult groupedResult = groupedFacetCollector.mergeSegmentResults(
reader.numDocs(), 1, false);
List<AbstractGroupFacetCollector.FacetEntry> facetEntries = groupedResult.getFacetEntries(0,
reader.numDocs());
for (AbstractGroupFacetCollector.FacetEntry facetEntry : facetEntries) {
res.add(new Group(facetEntry.getValue().utf8ToString(), facetEntry.getCount()));
}
} finally {
for (SimpleFSDirectory index : indexes) {
IOUtils.closeQuietly(index);
}
}
return res;
}