protected DocIndexMetaData merge(
DocIndexMetaData other,
TransportPutIndexTemplateAction transportPutIndexTemplateAction,
boolean thisIsCreatedFromTemplate)
throws IOException {
if (schemaEquals(other)) {
return this;
} else if (thisIsCreatedFromTemplate) {
if (this.references.size() < other.references.size()) {
// this is older, update template and return other
// settings in template are always authoritative for table information about
// number_of_shards and number_of_replicas
updateTemplate(other, transportPutIndexTemplateAction, this.metaData.settings());
// merge the new mapping with the template settings
return new DocIndexMetaData(
IndexMetaData.builder(other.metaData).settings(this.metaData.settings()).build(),
other.ident)
.build();
} else if (references().size() == other.references().size()
&& !references().keySet().equals(other.references().keySet())) {
XContentHelper.update(defaultMappingMap, other.defaultMappingMap, false);
// update the template with new information
updateTemplate(this, transportPutIndexTemplateAction, this.metaData.settings());
return this;
}
// other is older, just return this
return this;
} else {
throw new TableAliasSchemaException(other.ident.name());
}
}
private void updateTemplate(
DocIndexMetaData md,
TransportPutIndexTemplateAction transportPutIndexTemplateAction,
Settings updateSettings) {
String templateName = PartitionName.templateName(ident.schema(), ident.name());
PutIndexTemplateRequest request =
new PutIndexTemplateRequest(templateName)
.mapping(Constants.DEFAULT_MAPPING_TYPE, md.defaultMappingMap)
.create(false)
.settings(updateSettings)
.template(templateName + "*");
for (String alias : md.aliases()) {
request = request.alias(new Alias(alias));
}
transportPutIndexTemplateAction.execute(request);
}