| /* |
| * 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.phoenix.coprocessor; |
| |
| import org.apache.hadoop.hbase.ExtendedCellBuilder; |
| import org.apache.hadoop.hbase.client.Mutation; |
| import org.apache.hadoop.hbase.regionserver.Region; |
| import org.apache.hadoop.hbase.util.Pair; |
| import org.apache.phoenix.hbase.index.util.ImmutableBytesPtr; |
| import org.apache.phoenix.schema.PColumn; |
| import org.apache.phoenix.schema.PTable; |
| |
| import java.io.IOException; |
| import java.sql.SQLException; |
| import java.util.List; |
| |
| public interface ColumnMutator { |
| |
| enum MutateColumnType { |
| ADD_COLUMN, DROP_COLUMN |
| } |
| |
| /** |
| * Validates the column to be added or dropped against all child views |
| */ |
| MetaDataProtocol.MetaDataMutationResult validateWithChildViews(PTable table, List<PTable> childViews, |
| List<Mutation> tableMetadata, |
| byte[] schemaName, byte[] tableName) |
| throws IOException, SQLException; |
| |
| /** |
| * Validates that the column being added or dropped against the table or view itself |
| * Adds to the list of mutations required to add or drop columns |
| */ |
| MetaDataProtocol.MetaDataMutationResult validateAndAddMetadata(PTable table, byte[][] rowKeyMetaData, |
| List<Mutation> tableMetadata, Region region, |
| List<ImmutableBytesPtr> invalidateList, |
| List<Region.RowLock> locks, |
| long clientTimeStamp, ExtendedCellBuilder extendedCellBuilder) |
| throws IOException, SQLException; |
| |
| /** |
| * @return list of pair of table and column being dropped, used to drop any indexes that require the column |
| */ |
| List<Pair<PTable, PColumn>> getTableAndDroppedColumnPairs(); |
| |
| MutateColumnType getMutateColumnType(); |
| } |