content: /*
   * Copyright 1999-2017 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.druid.sql.dialect.mysql.ast;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.ast.SQLName;
  import com.alibaba.druid.sql.ast.statement.SQLForeignKeyImpl;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  /**
   * @author kiki
   */
  public class MysqlForeignKey extends SQLForeignKeyImpl {
      private SQLName indexName;
      private Match referenceMatch;
      protected Option onUpdate;
      protected Option onDelete;
  
      public MysqlForeignKey() {
          dbType = DbType.mysql;
      }
  
      public SQLName getIndexName() {
          return indexName;
      }
  
      public void setIndexName(SQLName indexName) {
          this.indexName = indexName;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor instanceof MySqlASTVisitor) {
              accept0((MySqlASTVisitor) visitor);
          }
      }
  
      protected void accept0(MySqlASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, this.getName());
              acceptChild(visitor, this.getReferencedTableName());
              acceptChild(visitor, this.getReferencingColumns());
              acceptChild(visitor, this.getReferencedColumns());
  
              acceptChild(visitor, indexName);
          }
          visitor.endVisit(this);
      }
  
      public MysqlForeignKey clone() {
          MysqlForeignKey x = new MysqlForeignKey();
          cloneTo(x);
  
          if (indexName != null) {
              x.setIndexName(indexName.clone());
          }
  
          x.referenceMatch = referenceMatch;
          x.onUpdate = onUpdate;
          x.onDelete = onDelete;
  
          return x;
      }
  
      public Match getReferenceMatch() {
          return referenceMatch;
      }
  
      public void setReferenceMatch(Match referenceMatch) {
          this.referenceMatch = referenceMatch;
      }
  
      public Option getOnUpdate() {
          return onUpdate;
      }
  
      public void setOnUpdate(Option onUpdate) {
          this.onUpdate = onUpdate;
      }
  
      public Option getOnDelete() {
          return onDelete;
      }
  
      public void setOnDelete(Option onDelete) {
          this.onDelete = onDelete;
      }
  
  }
  