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.postgresql.ast.stmt;
  
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLHint;
  import com.alibaba.druid.sql.ast.SQLParameter;
  import com.alibaba.druid.sql.ast.statement.SQLExprTableSource;
  import com.alibaba.druid.sql.dialect.postgresql.ast.PGSQLObject;
  import com.alibaba.druid.sql.dialect.postgresql.visitor.PGASTVisitor;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class PGFunctionTableSource extends SQLExprTableSource implements PGSQLObject {
      private final List<SQLParameter> parameters = new ArrayList<SQLParameter>();
  
      public PGFunctionTableSource() {
      }
  
      public PGFunctionTableSource(SQLExpr expr) {
          this.expr = expr;
      }
  
      public List<SQLParameter> getParameters() {
          return parameters;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor instanceof PGASTVisitor) {
              this.accept0((PGASTVisitor) visitor);
          }
      }
  
      public void accept0(PGASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, this.expr);
              acceptChild(visitor, this.parameters);
          }
          visitor.endVisit(this);
      }
  
      @Override
      public PGFunctionTableSource clone() {
          PGFunctionTableSource x = new PGFunctionTableSource();
  
          x.setAlias(this.alias);
  
          for (SQLParameter e : this.parameters) {
              SQLParameter e2 = e.clone();
              e2.setParent(x);
              x.getParameters().add(e2);
          }
  
          if (this.flashback != null) {
              x.setFlashback(this.flashback.clone());
          }
  
          if (this.hints != null) {
              for (SQLHint e : this.hints) {
                  SQLHint e2 = e.clone();
                  e2.setParent(x);
                  x.getHints().add(e2);
              }
          }
  
          return x;
      }
  }
  