| /* |
| * 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.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.cassandra.config.CFMetaData; |
| import org.apache.cassandra.cql3.IndexName; |
| import org.apache.cassandra.exceptions.InvalidRequestException; |
| |
| public class IndexRestrictions |
| { |
| public static final String INDEX_NOT_FOUND = "Invalid index expression, index %s not found for %s.%s"; |
| public static final String INVALID_INDEX = "Target index %s cannot be used to query %s.%s"; |
| public static final String CUSTOM_EXPRESSION_NOT_SUPPORTED = "Index %s does not support custom expressions"; |
| public static final String NON_CUSTOM_INDEX_IN_EXPRESSION = "Only CUSTOM indexes may be used in custom index expressions, %s is not valid"; |
| public static final String MULTIPLE_EXPRESSIONS = "Multiple custom index expressions in a single query are not supported"; |
| |
| private final List<Restrictions> regularRestrictions = new ArrayList<>(); |
| private final List<CustomIndexExpression> customExpressions = new ArrayList<>(); |
| |
| public void add(Restrictions restrictions) |
| { |
| regularRestrictions.add(restrictions); |
| } |
| |
| public void add(CustomIndexExpression expression) |
| { |
| customExpressions.add(expression); |
| } |
| |
| public boolean isEmpty() |
| { |
| return regularRestrictions.isEmpty() && customExpressions.isEmpty(); |
| } |
| |
| public List<Restrictions> getRestrictions() |
| { |
| return regularRestrictions; |
| } |
| |
| public List<CustomIndexExpression> getCustomIndexExpressions() |
| { |
| return customExpressions; |
| } |
| |
| static InvalidRequestException invalidIndex(IndexName indexName, CFMetaData cfm) |
| { |
| return new InvalidRequestException(String.format(INVALID_INDEX, indexName.getIdx(), cfm.ksName, cfm.cfName)); |
| } |
| |
| static InvalidRequestException indexNotFound(IndexName indexName, CFMetaData cfm) |
| { |
| return new InvalidRequestException(String.format(INDEX_NOT_FOUND,indexName.getIdx(), cfm.ksName, cfm.cfName)); |
| } |
| |
| static InvalidRequestException nonCustomIndexInExpression(IndexName indexName) |
| { |
| return new InvalidRequestException(String.format(NON_CUSTOM_INDEX_IN_EXPRESSION, indexName.getIdx())); |
| } |
| |
| static InvalidRequestException customExpressionNotSupported(IndexName indexName) |
| { |
| return new InvalidRequestException(String.format(CUSTOM_EXPRESSION_NOT_SUPPORTED, indexName.getIdx())); |
| } |
| } |