io.stargate.db.schema.Index Maven / Gradle / Ivy
/*
* Copyright DataStax, Inc. and/or The Stargate Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.stargate.db.schema;
import io.stargate.db.datastore.query.ColumnOrder;
import io.stargate.db.datastore.query.WhereCondition;
import java.util.List;
import java.util.OptionalLong;
public interface Index extends SchemaEntity {
/** @return true if the query can be supported by the index */
boolean supports(
List select,
List> conditions,
List orders,
OptionalLong limit);
/**
* @return The priority of this class of index where a lower value indicates a higher priority.
*/
int priority();
String indexTypeName();
}
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