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.SQLObject;
  import com.alibaba.druid.sql.ast.SQLStatementImpl;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  public class MySqlKillStatement extends SQLStatementImpl {
      private Type type;
      private List<SQLExpr> threadIds = new ArrayList<SQLExpr>();
  
      public static enum Type {
          CONNECTION, QUERY
      }
  
      public Type getType() {
          return type;
      }
  
      public void setType(Type type) {
          this.type = type;
      }
  
      public SQLExpr getThreadId() {
          return threadIds.get(0);
      }
  
      public void setThreadId(SQLExpr threadId) {
          if (this.threadIds.isEmpty()) {
              this.threadIds.add(threadId);
              return;
          }
          this.threadIds.set(0, threadId);
      }
  
      public List<SQLExpr> getThreadIds() {
          return threadIds;
      }
  
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, threadIds);
          }
          visitor.endVisit(this);
      }
  
      @Override
      public List<SQLObject> getChildren() {
          return Collections.<SQLObject>emptyList();
      }
  }
  