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Bobo is a Faceted Search implementation written purely in Java, an extension of Apache Lucene
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/**
* Bobo Browse Engine - High performance faceted/parametric search implementation
* that handles various types of semi-structured data. Written in Java.
*
* Copyright (C) 2005-2006 John Wang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* To contact the project administrators for the bobo-browse project,
* please go to https://sourceforge.net/projects/bobo-browse/, or
* send mail to [email protected].
*/
package com.browseengine.bobo.api;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import com.browseengine.bobo.mapred.MapReduceResult;
import com.browseengine.bobo.sort.SortCollector;
/**
* A Browse result
*/
public class BrowseResult implements Serializable {
private static final long serialVersionUID = -8620935391852879446L;
/**
* The transaction ID
*/
private long tid = -1;
/**
* Get the transaction ID.
* @return the transaction ID.
*/
public final long getTid() {
return tid;
}
/**
* Set the transaction ID;
* @param tid
*/
public final void setTid(long tid) {
this.tid = tid;
}
private int numHits;
private int numGroups;
private int totalDocs;
private FacetAccessible[] _groupAccessibles;
transient private SortCollector _sortCollector;
// private int totalGroups;
private final Map _facetMap;
private BrowseHit[] hits;
private long time;
private MapReduceResult mapReduceResult;
private List errors;
private static BrowseHit[] NO_HITS = new BrowseHit[0];
/**
* Constructor
*/
public BrowseResult() {
super();
_facetMap = new HashMap();
_groupAccessibles = null;
_sortCollector = null;
numHits = 0;
numGroups = 0;
totalDocs = 0;
// totalGroups=0;
hits = null;
time = 0L;
}
/**
* Get the group accessible.
* @return the group accessible.
*/
public FacetAccessible[] getGroupAccessibles() {
return _groupAccessibles;
}
/**
* Set the group accessible.
* @param groupAccessibles the group accessible.
*/
public BrowseResult setGroupAccessibles(FacetAccessible[] groupAccessibles) {
_groupAccessibles = groupAccessibles;
return this;
}
/**
* Get the sort collector.
* @return the sort collector.
*/
public SortCollector getSortCollector() {
return _sortCollector;
}
/**
* Set the sort collector.
* @param sortCollector the sort collector
*/
public BrowseResult setSortCollector(SortCollector sortCollector) {
_sortCollector = sortCollector;
return this;
}
/**
* Get the facets by name
* @param name
* @return FacetAccessible instance corresponding to the name
*/
public FacetAccessible getFacetAccessor(String name) {
return _facetMap.get(name);
}
/**
* Get the hit count
* @return hit count
* @see #setNumHits(int)
*/
public int getNumHits() {
return numHits;
}
/**
* Sets the hit count
*
* @param hits hit count
* @see #getNumHits()
*/
public BrowseResult setNumHits(int hits) {
numHits = hits;
return this;
}
/**
* Get the group count
* @return group count
* @see #setNumGroups(int)
*/
public int getNumGroups() {
return numGroups;
}
/**
* Sets the group count
*
* @param groups group count
* @see #getNumGroups()
*/
public BrowseResult setNumGroups(int groups) {
numGroups = groups;
return this;
}
/**
* Gets the total number of docs in the index
* @return total number of docs in the index.
* @see #setTotalDocs(int)
*/
public int getTotalDocs() {
return totalDocs;
}
/**
* Sets the total number of docs in the index
*
* @param docs total number of docs in the index
* @see #getTotalDocs()
*/
public BrowseResult setTotalDocs(int docs) {
totalDocs = docs;
return this;
}
/**
* Gets the total number of groups in the index
* @return total number of groups in the index.
* @see #setTotalGroups(int)
*/
// public int getTotalGroups() {
// return totalGroups;
// }
/**
* Sets the total number of groups in the index
* @param groups total number of groups in the index
* @see #getTotalGroups()
*/
// public void setTotalGroups(int groups) {
// totalGroups = groups;
// }
/**
* Add a container full of choices
* @param facets container full of facets
*/
public BrowseResult addFacets(String name, FacetAccessible facets) {
_facetMap.put(name, facets);
return this;
}
/**
* Add all of the given FacetAccessible to this BrowseResult
* @param facets map of facets to add to the result set
*/
public BrowseResult addAll(Map facets) {
_facetMap.putAll(facets);
return this;
}
/**
* Sets the hits
*
* @param hits hits
* @see #getHits()
*/
public BrowseResult setHits(BrowseHit[] hits) {
this.hits = hits;
return this;
}
/**
* Gets the hits
* @return hits
* @see #setHits(BrowseHit[])
*/
public BrowseHit[] getHits() {
return hits == null ? NO_HITS : hits;
}
/**
* Sets the search time in milliseconds
*
* @param time search time
* @see #getTime()
*/
public void setTime(long time) {
this.time = time;
}
/**
* Gets the search time in milliseconds
* @return search time
* @see #setTime(long)
*/
public long getTime() {
return time;
}
/**
* Gets all the facet collections
* @return list of facet collections
*/
public Map getFacetMap() {
return _facetMap;
}
public MapReduceResult getMapReduceResult() {
return mapReduceResult;
}
public void setMapReduceResult(MapReduceResult mapReduceWrapper) {
this.mapReduceResult = mapReduceWrapper;
}
public static String toString(Map map) {
StringBuilder buffer = new StringBuilder();
Set> entries = map.entrySet();
buffer.append("{");
for (Entry entry : entries) {
String name = entry.getKey();
FacetAccessible facetAccessor = entry.getValue();
buffer.append("name=").append(name).append(",");
buffer.append("facets=").append(facetAccessor.getFacets()).append(";");
}
buffer.append("}").append('\n');
return buffer.toString();
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append("hit count: ").append(numHits).append('\n');
buf.append("total docs: ").append(totalDocs).append('\n');
buf.append("facets: ").append(toString(_facetMap));
buf.append("hits: ").append(Arrays.toString(hits));
return buf.toString();
}
public void close() {
if (_groupAccessibles != null) {
for (FacetAccessible accessible : _groupAccessibles) {
if (accessible != null) accessible.close();
}
}
if (_sortCollector != null) _sortCollector.close();
if (_facetMap == null) return;
Collection accessibles = _facetMap.values();
for (FacetAccessible fa : accessibles) {
fa.close();
}
}
public void addError(String message) {
if (errors == null) errors = new ArrayList(1);
errors.add(message);
}
public List getBoboErrors() {
if (errors == null) errors = new ArrayList(1);
return errors;
}
}