| /* |
| * 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.config.CFMetaData; |
| import org.apache.cassandra.cql3.*; |
| import org.apache.cassandra.db.filter.RowFilter; |
| import org.apache.cassandra.db.marshal.AbstractType; |
| |
| public class CustomIndexExpression |
| { |
| private final ColumnIdentifier valueColId = new ColumnIdentifier("custom index expression", false); |
| |
| public final IndexName targetIndex; |
| public final Term.Raw valueRaw; |
| |
| private Term value; |
| |
| public CustomIndexExpression(IndexName targetIndex, Term.Raw value) |
| { |
| this.targetIndex = targetIndex; |
| this.valueRaw = value; |
| } |
| |
| public void prepareValue(CFMetaData cfm, AbstractType<?> expressionType, VariableSpecifications boundNames) |
| { |
| ColumnSpecification spec = new ColumnSpecification(cfm.ksName, cfm.ksName, valueColId, expressionType); |
| value = valueRaw.prepare(cfm.ksName, spec); |
| value.collectMarkerSpecification(boundNames); |
| } |
| |
| public void addToRowFilter(RowFilter filter, |
| CFMetaData cfm, |
| QueryOptions options) |
| { |
| filter.addCustomIndexExpression(cfm, |
| cfm.getIndexes() |
| .get(targetIndex.getIdx()) |
| .orElseThrow(() -> IndexRestrictions.indexNotFound(targetIndex, cfm)), |
| value.bindAndGet(options)); |
| } |
| } |