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.segment.generic; 19 20 import org.apache.shardingsphere.sql.parser.sql.common.segment.SQLSegment; 21 import org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue; 22 23 import java.util.Optional; 24 25 /** 26 * Alias available. 27 */ 28 public interface AliasAvailable extends SQLSegment { 29 30 /** 31 * Get alias name. 32 * 33 * @return alias name 34 */ 35 Optional<String> getAliasName(); 36 37 /** 38 * Get alias. 39 * 40 * @return alias 41 */ 42 Optional<IdentifierValue> getAlias(); 43 44 /** 45 * Set alias. 46 * 47 * @param alias alias 48 */ 49 void setAlias(AliasSegment alias); 50 }