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.statement;
  
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLName;
  import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
  import com.alibaba.druid.sql.ast.statement.SQLAlterDatabaseItem;
  import com.alibaba.druid.sql.ast.statement.SQLAssignItem;
  import com.alibaba.druid.sql.dialect.mysql.ast.MySqlObjectImpl;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class MySqlAlterDatabaseSetOption extends MySqlObjectImpl implements SQLAlterDatabaseItem {
      private List<SQLAssignItem> options = new ArrayList<SQLAssignItem>();
      private SQLName on;
  
      @Override
      public void accept0(MySqlASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, options);
          }
          visitor.endVisit(this);
      }
  
      public SQLExpr getOption(String name) {
          for (SQLAssignItem item : options) {
              final SQLExpr target = item.getTarget();
              if (target instanceof SQLIdentifierExpr) {
                  if (((SQLIdentifierExpr) target).getName().equalsIgnoreCase(name)) {
                      return item.getValue();
                  }
              }
          }
          return null;
      }
  
      public List<SQLAssignItem> getOptions() {
          return options;
      }
  
      public SQLName getOn() {
          return on;
      }
  
      public void setOn(SQLName x) {
          if (x != null) {
              x.setParent(this);
          }
          this.on = x;
      }
  }
  