1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.shardingsphere.sql.parser.sql.common.statement.ddl; 19 20 import lombok.Setter; 21 import org.apache.shardingsphere.sql.parser.sql.common.segment.ddl.index.IndexSegment; 22 import org.apache.shardingsphere.sql.parser.sql.common.statement.AbstractSQLStatement; 23 24 import java.util.Optional; 25 26 /** 27 * Alter index statement. 28 */ 29 @Setter 30 public abstract class AlterIndexStatement extends AbstractSQLStatement implements DDLStatement { 31 32 private IndexSegment index; 33 34 /** 35 * Get index segment. 36 * 37 * @return index segment 38 */ 39 public Optional<IndexSegment> getIndex() { 40 return Optional.ofNullable(index); 41 } 42 }