本文整理汇总了Java中org.apache.solr.search.ReturnFields.getRequestedFieldNames方法的典型用法代码示例。如果您正苦于以下问题:Java ReturnFields.getRequestedFieldNames方法的具体用法?Java ReturnFields.getRequestedFieldNames怎么用?Java ReturnFields.getRequestedFieldNames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.solr.search.ReturnFields
的用法示例。
在下文中一共展示了ReturnFields.getRequestedFieldNames方法的1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: createMainQuery
import org.apache.solr.search.ReturnFields; //导入方法依赖的package包/类
private void createMainQuery(ResponseBuilder rb) {
ShardRequest sreq = new ShardRequest();
sreq.purpose = ShardRequest.PURPOSE_GET_TOP_IDS;
String keyFieldName = rb.req.getSchema().getUniqueKeyField().getName();
// one-pass algorithm if only id and score fields are requested, but not if fl=score since that's the same as fl=*,score
ReturnFields fields = rb.rsp.getReturnFields();
// distrib.singlePass=true forces a one-pass query regardless of requested fields
boolean distribSinglePass = rb.req.getParams().getBool(ShardParams.DISTRIB_SINGLE_PASS, false);
if(distribSinglePass || (fields != null && fields.wantsField(keyFieldName)
&& fields.getRequestedFieldNames() != null
&& (!fields.hasPatternMatching() && Arrays.asList(keyFieldName, "score").containsAll(fields.getRequestedFieldNames())))) {
sreq.purpose |= ShardRequest.PURPOSE_GET_FIELDS;
rb.onePassDistributedQuery = true;
}
sreq.params = new ModifiableSolrParams(rb.req.getParams());
// TODO: base on current params or original params?
// don't pass through any shards param
sreq.params.remove(ShardParams.SHARDS);
// set the start (offset) to 0 for each shard request so we can properly merge
// results from the start.
if(rb.shards_start > -1) {
// if the client set shards.start set this explicitly
sreq.params.set(CommonParams.START,rb.shards_start);
} else {
sreq.params.set(CommonParams.START, "0");
}
// TODO: should we even use the SortSpec? That's obtained from the QParser, and
// perhaps we shouldn't attempt to parse the query at this level?
// Alternate Idea: instead of specifying all these things at the upper level,
// we could just specify that this is a shard request.
if(rb.shards_rows > -1) {
// if the client set shards.rows set this explicity
sreq.params.set(CommonParams.ROWS,rb.shards_rows);
} else {
sreq.params.set(CommonParams.ROWS, rb.getSortSpec().getOffset() + rb.getSortSpec().getCount());
}
sreq.params.set(ResponseBuilder.FIELD_SORT_VALUES,"true");
boolean shardQueryIncludeScore = (rb.getFieldFlags() & SolrIndexSearcher.GET_SCORES) != 0 || rb.getSortSpec().includesScore();
StringBuilder additionalFL = new StringBuilder();
boolean additionalAdded = false;
if (distribSinglePass) {
String[] fls = rb.req.getParams().getParams(CommonParams.FL);
if (fls != null && fls.length > 0 && (fls.length != 1 || !fls[0].isEmpty())) {
// If the outer request contains actual FL's use them...
sreq.params.set(CommonParams.FL, fls);
if (!fields.wantsField(keyFieldName)) {
additionalAdded = addFL(additionalFL, keyFieldName, additionalAdded);
}
} else {
// ... else we need to explicitly ask for all fields, because we are going to add
// additional fields below
sreq.params.set(CommonParams.FL, "*");
}
if (!fields.wantsScore() && shardQueryIncludeScore) {
additionalAdded = addFL(additionalFL, "score", additionalAdded);
}
} else {
// reset so that only unique key is requested in shard requests
sreq.params.set(CommonParams.FL, rb.req.getSchema().getUniqueKeyField().getName());
if (shardQueryIncludeScore) {
additionalAdded = addFL(additionalFL, "score", additionalAdded);
}
}
if (additionalAdded) sreq.params.add(CommonParams.FL, additionalFL.toString());
rb.addRequest(this, sreq);
}