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.expr.SQLCharExpr;
  import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
  import com.alibaba.druid.sql.ast.statement.SQLAlterStatement;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class MySqlAlterUserStatement extends MySqlStatementImpl implements SQLAlterStatement {
      private boolean ifExists;
  
      private final List<AlterUser> alterUsers = new ArrayList<AlterUser>();
  
      private PasswordOption passwordOption;
  
      public void accept0(MySqlASTVisitor visitor) {
          if (visitor.visit(this)) {
              for (AlterUser alterUser : alterUsers) {
                  acceptChild(visitor, alterUser.user);
              }
              if (passwordOption != null && passwordOption.getIntervalDays() != null) {
                  acceptChild(visitor, passwordOption.getIntervalDays());
              }
          }
          visitor.endVisit(this);
      }
  
      public boolean isIfExists() {
          return ifExists;
      }
  
      public void setIfExists(boolean ifExists) {
          this.ifExists = ifExists;
      }
  
      public List<SQLExpr> getUsers() {
          List<SQLExpr> users = new ArrayList<SQLExpr>();
          for (AlterUser alterUser : alterUsers) {
              users.add(alterUser.user);
          }
          return users;
      }
  
      public List<AlterUser> getAlterUsers() {
          return alterUsers;
      }
  
      public PasswordOption getPasswordOption() {
          return passwordOption;
      }
  
      public void setPasswordOption(PasswordOption passwordOption) {
          this.passwordOption = passwordOption;
      }
  
      public static class AuthOption {
          private SQLCharExpr authString;
  
          public SQLCharExpr getAuthString() {
              return authString;
          }
  
          public void setAuthString(SQLCharExpr authString) {
              this.authString = authString;
          }
      }
  
      public static class AlterUser {
          private SQLExpr user;
          private AuthOption authOption;
  
          private String accountLockOption;
          public SQLExpr getUser() {
              return user;
          }
  
          public void setUser(SQLExpr user) {
              this.user = user;
          }
  
          public AuthOption getAuthOption() {
              return authOption;
          }
  
          public void setAuthOption(AuthOption authOption) {
              this.authOption = authOption;
          }
  
          public String getAccountLockOption() {
              return accountLockOption;
          }
  
          public void setAccountLockOption(String accountLockOption) {
              this.accountLockOption = accountLockOption;
          }
      }
  
      public static class PasswordOption {
          private PasswordExpire expire;
          private SQLIntegerExpr intervalDays;
  
          public PasswordExpire getExpire() {
              return expire;
          }
  
          public void setExpire(PasswordExpire expire) {
              this.expire = expire;
          }
  
          public SQLIntegerExpr getIntervalDays() {
              return intervalDays;
          }
  
          public void setIntervalDays(SQLIntegerExpr intervalDays) {
              this.intervalDays = intervalDays;
          }
      }
  
      public enum PasswordExpire {
          PASSWORD_EXPIRE,
          PASSWORD_EXPIRE_DEFAULT,
          PASSWORD_EXPIRE_NEVER,
          PASSWORD_EXPIRE_INTERVAL
      }
  }
  