| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.solr.request; |
| |
| import org.apache.solr.search.SolrIndexSearcher; |
| import org.apache.solr.util.RefCounted; |
| import org.apache.solr.schema.IndexSchema; |
| import org.apache.solr.common.params.SolrParams; |
| import org.apache.solr.common.util.ContentStream; |
| import org.apache.solr.core.SolrCore; |
| |
| import java.util.Map; |
| import java.util.HashMap; |
| |
| /** |
| * Base implementation of <code>SolrQueryRequest</code> that provides some |
| * convenience methods for accessing parameters, and manages an IndexSearcher |
| * reference. |
| * |
| * <p> |
| * The <code>close()</code> method must be called on any instance of this |
| * class once it is no longer in use. |
| * </p> |
| * |
| * |
| * |
| */ |
| public abstract class SolrQueryRequestBase implements SolrQueryRequest { |
| protected final SolrCore core; |
| protected final SolrParams origParams; |
| protected volatile IndexSchema schema; |
| protected SolrParams params; |
| protected Map<Object,Object> context; |
| protected Iterable<ContentStream> streams; |
| |
| public SolrQueryRequestBase(SolrCore core, SolrParams params) { |
| this.core = core; |
| this.schema = null == core ? null : core.getLatestSchema(); |
| this.params = this.origParams = params; |
| } |
| |
| @Override |
| public Map<Object,Object> getContext() { |
| // SolrQueryRequest as a whole isn't thread safe, and this isn't either. |
| if (context==null) context = new HashMap<>(); |
| return context; |
| } |
| |
| @Override |
| public SolrParams getParams() { |
| return params; |
| } |
| |
| @Override |
| public SolrParams getOriginalParams() { |
| return origParams; |
| } |
| |
| @Override |
| public void setParams(SolrParams params) { |
| this.params = params; |
| } |
| |
| protected final long startTime=System.currentTimeMillis(); |
| // Get the start time of this request in milliseconds |
| @Override |
| public long getStartTime() { |
| return startTime; |
| } |
| |
| // The index searcher associated with this request |
| protected RefCounted<SolrIndexSearcher> searcherHolder; |
| @Override |
| public SolrIndexSearcher getSearcher() { |
| if(core == null) return null;//a request for a core admin will not have a core |
| // should this reach out and get a searcher from the core singleton, or |
| // should the core populate one in a factory method to create requests? |
| // or there could be a setSearcher() method that Solr calls |
| |
| if (searcherHolder==null) { |
| searcherHolder = core.getSearcher(); |
| } |
| |
| return searcherHolder.get(); |
| } |
| |
| // The solr core (coordinator, etc) associated with this request |
| @Override |
| public SolrCore getCore() { |
| return core; |
| } |
| |
| // The index schema associated with this request |
| @Override |
| public IndexSchema getSchema() { |
| //a request for a core admin will no have a core |
| return schema; |
| } |
| |
| @Override |
| public void updateSchemaToLatest() { |
| schema = core.getLatestSchema(); |
| } |
| |
| /** |
| * Frees resources associated with this request, this method <b>must</b> |
| * be called when the object is no longer in use. |
| */ |
| @Override |
| public void close() { |
| if (searcherHolder!=null) { |
| searcherHolder.decref(); |
| searcherHolder = null; |
| } |
| } |
| |
| /** A Collection of ContentStreams passed to the request |
| */ |
| @Override |
| public Iterable<ContentStream> getContentStreams() { |
| return streams; |
| } |
| |
| public void setContentStreams( Iterable<ContentStream> s ) { |
| streams = s; |
| } |
| |
| @Override |
| public String getParamString() { |
| return origParams.toString(); |
| } |
| |
| @Override |
| public String toString() { |
| return this.getClass().getSimpleName() + '{' + params + '}'; |
| } |
| |
| } |