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.ast.statement;
  
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLName;
  import com.alibaba.druid.sql.ast.SQLReplaceable;
  import com.alibaba.druid.sql.ast.SQLStatementImpl;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  public class SQLShowDatabasesStatement extends SQLStatementImpl implements SQLShowStatement, SQLReplaceable {
      private boolean physical;
      private boolean full;
  
      private SQLName database;
      private SQLExpr like;
      private SQLExpr where;
  
      private boolean extra;
  
      public SQLShowDatabasesStatement() {
      }
  
      public boolean isPhysical() {
          return physical;
      }
  
      public void setPhysical(boolean physical) {
          this.physical = physical;
      }
  
      public SQLName getDatabase() {
          return database;
      }
  
      public void setDatabase(SQLName database) {
          this.database = database;
      }
  
      public SQLExpr getLike() {
          return like;
      }
  
      public void setLike(SQLExpr like) {
          this.like = like;
      }
  
      public SQLExpr getWhere() {
          return where;
      }
  
      public void setWhere(SQLExpr where) {
          this.where = where;
      }
  
      public void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, database);
              acceptChild(visitor, like);
              acceptChild(visitor, where);
          }
          visitor.endVisit(this);
      }
  
      public boolean isExtra() {
          return extra;
      }
  
      public void setExtra(boolean extra) {
          this.extra = extra;
      }
  
      public boolean isFull() {
          return full;
      }
  
      public void setFull(boolean full) {
          this.full = full;
      }
  
      @Override
      public boolean replace(SQLExpr expr, SQLExpr target) {
          if (database == expr) {
              setDatabase((SQLName) target);
              return true;
          }
  
          if (like == expr) {
              setLike(target);
              return true;
          }
  
          if (where == expr) {
              setWhere(target);
              return true;
          }
  
          return false;
      }
  }
  