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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import com.yahoo.log.LogLevel;
import com.yahoo.search.config.IndexInfoConfig;
import com.yahoo.container.QrSearchersConfig;
/**
* Parameter class used for construction IndexFacts.
*
* @author Steinar Knutsen
*/
public final class IndexModel {
private static final Logger log = Logger.getLogger(IndexModel.class.getName());
// Copied from MasterClustersInfoUpdater. It's a temporary workaround for IndexFacts.
private Map<String, List<String>> masterClusters;
private Map<String, SearchDefinition> searchDefinitions;
private SearchDefinition unionSearchDefinition;
/**
* Use IndexModel as a pure wrapper for the parameters given.
*/
public IndexModel(Map<String, List<String>> masterClusters,
Map<String, SearchDefinition> searchDefinitions,
SearchDefinition unionSearchDefinition) {
this.masterClusters = masterClusters;
this.searchDefinitions = searchDefinitions;
this.unionSearchDefinition = unionSearchDefinition;
}
public IndexModel(IndexInfoConfig indexInfo, Map<String, List<String>> clusters) {
if (indexInfo != null) {
setDefinitions(indexInfo);
} else {
searchDefinitions = null;
unionSearchDefinition = null;
}
this.masterClusters = clusters;
}
public IndexModel(IndexInfoConfig indexInfo, QrSearchersConfig clusters) {
if (indexInfo != null) {
setDefinitions(indexInfo);
} else {
searchDefinitions = null;
unionSearchDefinition = null;
}
if (clusters != null) {
setMasterClusters(clusters);
} else {
masterClusters = null;
}
}
private void setMasterClusters(QrSearchersConfig config) {
masterClusters = new HashMap<>();
for (int i = 0; i < config.searchcluster().size(); ++i) {
List<String> docTypes = new ArrayList<>();
String clusterName = config.searchcluster(i).name();
for (int j = 0; j < config.searchcluster(i).searchdef().size(); ++j) {
docTypes.add(config.searchcluster(i).searchdef(j));
}
masterClusters.put(clusterName, docTypes);
}
}
@SuppressWarnings("deprecation")
private void setDefinitions(IndexInfoConfig c) {
searchDefinitions = new HashMap<>();
unionSearchDefinition = new SearchDefinition(IndexFacts.unionName);
for (Iterator<IndexInfoConfig.Indexinfo> i = c.indexinfo().iterator(); i.hasNext();) {
IndexInfoConfig.Indexinfo info = i.next();
SearchDefinition sd = new SearchDefinition(info.name());
for (Iterator<IndexInfoConfig.Indexinfo.Command> j = info.command().iterator(); j.hasNext();) {
IndexInfoConfig.Indexinfo.Command command = j.next();
sd.addCommand(command.indexname(),command.command());
unionSearchDefinition.addCommand(command.indexname(),command.command());
}
sd.fillMatchGroups();
searchDefinitions.put(info.name(), sd);
}
unionSearchDefinition.fillMatchGroups();
for (IndexInfoConfig.Indexinfo info : c.indexinfo()) {
SearchDefinition sd = searchDefinitions.get(info.name());
for (IndexInfoConfig.Indexinfo.Alias alias : info.alias()) {
String aliasString = alias.alias();
String indexString = alias.indexname();
sd.addAlias(aliasString, indexString);
try {
unionSearchDefinition.addAlias(aliasString, indexString);
} catch (RuntimeException e) {
log.log(LogLevel.WARNING,
"Ignored the alias \""
+ aliasString
+ "\" for \""
+ indexString
+ "\" in the union of all search definitions,"
+ " source has to be explicitly set to \""
+ sd.getName()
+ "\" for that alias to work.", e);
}
}
}
}
public Map<String, List<String>> getMasterClusters() {
return masterClusters;
}
public Map<String, SearchDefinition> getSearchDefinitions() {
return searchDefinitions;
}
public SearchDefinition getUnionSearchDefinition() {
return unionSearchDefinition;
}
}
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