| /* |
| * 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.db; |
| |
| import java.nio.ByteBuffer; |
| |
| import org.apache.cassandra.config.CFMetaData; |
| import org.apache.cassandra.db.marshal.UTF8Type; |
| import org.apache.cassandra.utils.ByteBufferUtil; |
| |
| /** |
| * Exception thrown when we read a column internally that is unknown. Note that |
| * this is an internal exception and is not meant to be user facing. |
| */ |
| public class UnknownColumnException extends Exception |
| { |
| public final ByteBuffer columnName; |
| |
| public UnknownColumnException(CFMetaData metadata, ByteBuffer columnName) |
| { |
| super(String.format("Unknown column %s in table %s.%s", stringify(columnName), metadata.ksName, metadata.cfName)); |
| this.columnName = columnName; |
| } |
| |
| private static String stringify(ByteBuffer name) |
| { |
| try |
| { |
| return UTF8Type.instance.getString(name); |
| } |
| catch (Exception e) |
| { |
| return ByteBufferUtil.bytesToHex(name); |
| } |
| } |
| } |