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// Copyright Yahoo. 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.document.SDField;
import com.yahoo.schema.Schema;
import com.yahoo.vespa.model.container.search.QueryProfiles;
/**
* Because of the way the parser works (allowing any token as identifier),
* it is not practical to limit the syntax of field names there, do it here.
* Important to disallow dash, has semantic in IL.
*
* @author Vehard Havdal
*/
public class IndexFieldNames extends Processor {
private static final String FIELD_NAME_REGEXP = "[a-zA-Z]\\w*";
public IndexFieldNames(Schema schema, DeployLogger deployLogger, RankProfileRegistry rankProfileRegistry, QueryProfiles queryProfiles) {
super(schema, deployLogger, rankProfileRegistry, queryProfiles);
}
@Override
public void process(boolean validate, boolean documentsOnly) {
if ( ! validate) return;
for (SDField field : schema.allConcreteFields()) {
if ( ! field.getName().matches(FIELD_NAME_REGEXP) && ! legalDottedPositionField(field)) {
fail(schema, field, " Not a legal field name. Legal expression: " + FIELD_NAME_REGEXP);
}
}
}
/**
* In {@link CreatePositionZCurve} we add some .position and .distance fields for pos fields. Make an exception for those for now.
* TODO Vespa 9: delete this method.
*
* @param field an {@link com.yahoo.schema.document.SDField}
* @return true if allowed
*/
private boolean legalDottedPositionField(SDField field) {
return field.getName().endsWith(".position") || field.getName().endsWith(".distance");
}
}
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