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.expr;
  
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLExprImpl;
  import com.alibaba.druid.sql.ast.SQLName;
  import com.alibaba.druid.sql.ast.statement.SQLColumnDefinition;
  import com.alibaba.druid.sql.ast.statement.SQLTableSource;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  public final class SQLAllColumnExpr extends SQLExprImpl implements SQLName {
      private transient SQLTableSource resolvedTableSource;
  
      private SQLExpr owner;
      private List<SQLExpr> except;
      private static final String name = "*";
      private final List<SQLAliasedExpr> replace = new ArrayList<SQLAliasedExpr>();
  
      public SQLAllColumnExpr() {
      }
  
      public void output(StringBuilder buf) {
          if (owner != null) {
              owner.output(buf);
              buf.append('.');
          }
          buf.append(name);
      }
  
      public SQLExpr getOwner() {
          return owner;
      }
  
      public void setOwner(SQLExpr x) {
          if (x != null) {
              x.setParent(this);
          }
          this.owner = x;
      }
  
      public List<SQLExpr> getExcept() {
          return except;
      }
  
      public List<SQLAliasedExpr> getReplace() {
          return replace;
      }
  
      public void setExcept(List<SQLExpr> except) {
          this.except = except;
      }
  
      protected void accept0(SQLASTVisitor visitor) {
          visitor.visit(this);
          visitor.endVisit(this);
      }
  
      public int hashCode() {
          return 0;
      }
  
      public boolean equals(Object o) {
          return o instanceof SQLAllColumnExpr;
      }
  
      @Override
      public String getSimpleName() {
          return name;
      }
  
      public SQLAllColumnExpr clone() {
          SQLAllColumnExpr x = new SQLAllColumnExpr();
          x.setOwner(owner);
  
          x.resolvedTableSource = resolvedTableSource;
          return x;
      }
  
      @Override
      public long nameHashCode64() {
          return 0;
      }
  
      @Override
      public long hashCode64() {
          return 0;
      }
  
      @Override
      public SQLColumnDefinition getResolvedColumn() {
          return null;
      }
  
      public SQLTableSource getResolvedTableSource() {
          return resolvedTableSource;
      }
  
      public void setResolvedTableSource(SQLTableSource resolvedTableSource) {
          this.resolvedTableSource = resolvedTableSource;
      }
  
      @Override
      public List getChildren() {
          return Collections.emptyList();
      }
  }
  