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.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLIndex;
  import com.alibaba.druid.sql.ast.statement.SQLTableConstraint;
  import com.alibaba.druid.sql.ast.statement.SQLUnique;
  import com.alibaba.druid.sql.ast.statement.SQLUniqueConstraint;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  public class MySqlKey extends SQLUnique implements SQLUniqueConstraint, SQLTableConstraint, SQLIndex {
      public MySqlKey() {
          dbType = DbType.mysql;
      }
  
      @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.getColumns());
              acceptChild(visitor, this.getName());
          }
          visitor.endVisit(this);
      }
  
      public String getIndexType() {
          return indexDefinition.getOptions().getIndexType();
      }
  
      public void setIndexType(String indexType) {
          indexDefinition.getOptions().setIndexType(indexType);
      }
  
      public boolean isHasConstraint() {
          return indexDefinition.hasConstraint();
      }
  
      public void setHasConstraint(boolean hasConstraint) {
          indexDefinition.setHasConstraint(hasConstraint);
      }
  
      public void cloneTo(MySqlKey x) {
          super.cloneTo(x);
      }
  
      public MySqlKey clone() {
          MySqlKey x = new MySqlKey();
          cloneTo(x);
          return x;
      }
  
      public SQLExpr getKeyBlockSize() {
          return indexDefinition.getOptions().getKeyBlockSize();
      }
  
      public void setKeyBlockSize(SQLExpr x) {
          indexDefinition.getOptions().setKeyBlockSize(x);
      }
  }
  