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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.schema.Schema;
import com.yahoo.config.application.api.DeployLogger;
import com.yahoo.schema.RankProfileRegistry;
import com.yahoo.vespa.model.container.search.QueryProfiles;
import com.yahoo.document.Field;
import com.yahoo.schema.document.SDDocumentType;
import java.util.ArrayList;
import java.util.HashSet;
/**
* @author arnej
*/
public class ValidateStructTypeInheritance extends Processor {
public ValidateStructTypeInheritance(Schema schema, DeployLogger deployLogger, RankProfileRegistry rankProfileRegistry, QueryProfiles queryProfiles) {
super(schema, deployLogger, rankProfileRegistry, queryProfiles);
}
@Override
public void process(boolean validate, boolean documentsOnly) {
if (!validate) return;
verifyNoRedeclarations(schema.getDocument());
}
void fail(Field field, String message) {
throw newProcessException(schema, field, message);
}
void verifyNoRedeclarations(SDDocumentType docType) {
for (SDDocumentType type : docType.allTypes().values()) {
if (type.isStruct()) {
var inheritedTypes = new ArrayList<SDDocumentType>(type.getInheritedTypes());
for (int i = 0; i < inheritedTypes.size(); i++) {
SDDocumentType inherit = inheritedTypes.get(i);
for (var extra : inherit.getInheritedTypes()) {
if (! inheritedTypes.contains(extra)) {
inheritedTypes.add(extra);
}
}
}
if (inheritedTypes.isEmpty()) continue;
var seenFieldNames = new HashSet<>();
for (var field : type.getDocumentType().contentStruct().getFieldsThisTypeOnly()) {
if (seenFieldNames.contains(field.getName())) {
// cannot happen?
fail(field, "struct "+type.getName()+" has multiple fields with same name: "+field.getName());
}
seenFieldNames.add(field.getName());
}
for (SDDocumentType inherit : inheritedTypes) {
if (inherit.isStruct()) {
for (var field : inherit.getDocumentType().contentStruct().getFieldsThisTypeOnly()) {
if (seenFieldNames.contains(field.getName())) {
fail(field, "struct "+type.getName()+" cannot inherit from "+inherit.getName()+" and redeclare field "+field.getName());
}
seenFieldNames.add(field.getName());
}
} else {
fail(new Field("no field"), "struct cannot inherit from non-struct "+inherit.getName()+" class "+inherit.getClass());
}
}
}
}
}
}
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