content: /*
   * Copyright 1999-2012 Alibaba Group.
   *  
   * 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.
   */
  /**
   * (created at 2011-5-19)
   */
  package com.alibaba.cobar.parser.ast.stmt.dml;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  import com.alibaba.cobar.parser.ast.expression.Expression;
  import com.alibaba.cobar.parser.ast.expression.primary.Identifier;
  import com.alibaba.cobar.parser.visitor.SQLASTVisitor;
  
  /**
   * @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
   */
  public class DMLCallStatement extends DMLStatement {
      private final Identifier procedure;
      private final List<Expression> arguments;
  
      public DMLCallStatement(Identifier procedure, List<Expression> arguments) {
          this.procedure = procedure;
          if (arguments == null || arguments.isEmpty()) {
              this.arguments = Collections.emptyList();
          } else if (arguments instanceof ArrayList) {
              this.arguments = arguments;
          } else {
              this.arguments = new ArrayList<Expression>(arguments);
          }
      }
  
      public DMLCallStatement(Identifier procedure) {
          this.procedure = procedure;
          this.arguments = Collections.emptyList();
      }
  
      public Identifier getProcedure() {
          return procedure;
      }
  
      /**
       * @return never null
       */
      public List<Expression> getArguments() {
          return arguments;
      }
  
      @Override
      public void accept(SQLASTVisitor visitor) {
          visitor.visit(this);
      }
  }
  