| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.cassandra.cql3.restrictions; |
| |
| import java.nio.ByteBuffer; |
| import java.util.List; |
| |
| import org.apache.cassandra.schema.TableMetadata; |
| import org.apache.cassandra.cql3.QueryOptions; |
| import org.apache.cassandra.cql3.statements.Bound; |
| |
| /** |
| * A set of restrictions on the partition key. |
| * |
| */ |
| interface PartitionKeyRestrictions extends Restrictions |
| { |
| public PartitionKeyRestrictions mergeWith(Restriction restriction); |
| |
| public List<ByteBuffer> values(QueryOptions options); |
| |
| public List<ByteBuffer> bounds(Bound b, QueryOptions options); |
| |
| /** |
| * Checks if the specified bound is set or not. |
| * @param b the bound type |
| * @return <code>true</code> if the specified bound is set, <code>false</code> otherwise |
| */ |
| public boolean hasBound(Bound b); |
| |
| /** |
| * Checks if the specified bound is inclusive or not. |
| * @param b the bound type |
| * @return <code>true</code> if the specified bound is inclusive, <code>false</code> otherwise |
| */ |
| public boolean isInclusive(Bound b); |
| |
| /** |
| * checks if specified restrictions require filtering |
| * |
| * @param table column family metadata |
| * @return <code>true</code> if filtering is required, <code>false</code> otherwise |
| */ |
| public boolean needFiltering(TableMetadata table); |
| |
| /** |
| * Checks if the partition key has unrestricted components. |
| * |
| * @param table column family metadata |
| * @return <code>true</code> if the partition key has unrestricted components, <code>false</code> otherwise. |
| */ |
| public boolean hasUnrestrictedPartitionKeyComponents(TableMetadata table); |
| } |