| /* |
| * 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 org.apache.cassandra.cql3.QueryOptions; |
| import org.apache.cassandra.cql3.statements.Bound; |
| import org.apache.cassandra.db.MultiCBuilder; |
| |
| import org.apache.cassandra.config.ColumnDefinition; |
| |
| /** |
| * Base class for <code>Restriction</code>s |
| */ |
| abstract class AbstractRestriction implements Restriction |
| { |
| @Override |
| public boolean isOnToken() |
| { |
| return false; |
| } |
| |
| @Override |
| public boolean isMultiColumn() |
| { |
| return false; |
| } |
| |
| @Override |
| public boolean isSlice() |
| { |
| return false; |
| } |
| |
| @Override |
| public boolean isEQ() |
| { |
| return false; |
| } |
| |
| @Override |
| public boolean isIN() |
| { |
| return false; |
| } |
| |
| @Override |
| public boolean isContains() |
| { |
| return false; |
| } |
| |
| @Override |
| public boolean isNotNull() |
| { |
| return false; |
| } |
| |
| @Override |
| public boolean hasBound(Bound b) |
| { |
| return true; |
| } |
| |
| @Override |
| public MultiCBuilder appendBoundTo(MultiCBuilder builder, Bound bound, QueryOptions options) |
| { |
| return appendTo(builder, options); |
| } |
| |
| @Override |
| public boolean isInclusive(Bound b) |
| { |
| return true; |
| } |
| |
| /** |
| * Reverses the specified bound if the column type is a reversed one. |
| * |
| * @param columnDefinition the column definition |
| * @param bound the bound |
| * @return the bound reversed if the column type was a reversed one or the original bound |
| */ |
| protected static Bound reverseBoundIfNeeded(ColumnDefinition columnDefinition, Bound bound) |
| { |
| return columnDefinition.isReversedType() ? bound.reverse() : bound; |
| } |
| } |