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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema.processing;
import com.yahoo.config.application.api.DeployLogger;
import com.yahoo.schema.RankProfileRegistry;
import com.yahoo.schema.Schema;
import com.yahoo.schema.document.Attribute;
import com.yahoo.schema.document.SDField;
import com.yahoo.schema.Index;
import com.yahoo.vespa.model.container.search.QueryProfiles;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* Takes the aliases set on field by parser and sets them on correct Index or Attribute
*
* @author vegardh
*/
public class MakeAliases extends Processor {
public MakeAliases(Schema schema, DeployLogger deployLogger, RankProfileRegistry rankProfileRegistry, QueryProfiles queryProfiles) {
super(schema, deployLogger, rankProfileRegistry, queryProfiles);
}
@Override
public void process(boolean validate, boolean documentsOnly) {
List<String> usedAliases = new ArrayList<>();
for (SDField field : schema.allConcreteFields()) {
for (Map.Entry<String, String> e : field.getAliasToName().entrySet()) {
String alias = e.getKey();
String name = e.getValue();
String errMsg = "For " + schema + ": alias '" + alias + "' ";
if (validate && schema.existsIndex(alias)) {
throw new IllegalArgumentException(errMsg + "is illegal since it is the name of an index.");
}
if (validate && schema.getAttribute(alias) != null) {
throw new IllegalArgumentException(errMsg + "is illegal since it is the name of an attribute.");
}
if (validate && usedAliases.contains(alias)) {
throw new IllegalArgumentException(errMsg + "specified more than once.");
}
usedAliases.add(alias);
Index index = field.getIndex(name);
Attribute attribute = field.getAttributes().get(name);
if (index != null) {
index.addAlias(alias); // alias will be for index in this case, since it is the one used in a search
} else if (attribute != null && ! field.doesIndexing()) {
attribute.getAliases().add(alias);
} else {
index = new Index(name);
index.addAlias(alias);
field.addIndex(index);
}
}
}
}
}
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