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.SQLStatementImpl;
  import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class SQLAnalyzeTableStatement extends SQLStatementImpl {
      protected final List<SQLExprTableSource> tableSources = new ArrayList<SQLExprTableSource>();
  
      private SQLPartitionRef partition;
      private boolean forColums;
      private List<SQLName> columns = new ArrayList<>();
      private boolean cacheMetadata;
      private boolean noscan;
      private boolean computeStatistics;
  
      private SQLIdentifierExpr adbSchema; // for ADB
      private List<SQLIdentifierExpr> adbColumns = new ArrayList<SQLIdentifierExpr>(); // for ADB
      private List<SQLIdentifierExpr> adbColumnsGroup = new ArrayList<SQLIdentifierExpr>(); // for ADB
      private SQLExpr adbWhere; // for ADB
  
      public SQLAnalyzeTableStatement() {
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              this.acceptChild(visitor, tableSources);
              this.acceptChild(visitor, partition);
              this.acceptChild(visitor, columns);
              this.acceptChild(visitor, adbSchema);
              this.acceptChild(visitor, adbColumns);
              this.acceptChild(visitor, adbColumnsGroup);
              this.acceptChild(visitor, adbWhere);
          }
          visitor.endVisit(this);
      }
  
      public List<SQLExprTableSource> getTables() {
          return tableSources;
      }
  
      public SQLExprTableSource getTable() {
          if (tableSources.isEmpty()) {
              return null;
          }
  
          if (tableSources.size() == 1) {
              return tableSources.get(0);
          }
  
          throw new UnsupportedOperationException();
      }
  
      public List<SQLName> getColumns() {
          return columns;
      }
  
      public void setTable(SQLExprTableSource table) {
          if (table != null) {
              table.setParent(this);
          }
  
          if (tableSources.isEmpty()) {
              if (table == null) {
                  return;
              }
  
              tableSources.add(table);
              return;
          }
  
          if (tableSources.size() == 1) {
              if (table == null) {
                  this.tableSources.remove(0);
              } else {
                  tableSources.set(0, table);
              }
              return;
          }
  
          throw new UnsupportedOperationException();
      }
  
      public SQLIdentifierExpr getAdbSchema() {
          return adbSchema;
      }
  
      public void setAdbSchema(SQLIdentifierExpr adbSchema) {
          this.adbSchema = adbSchema;
      }
  
      public List<SQLIdentifierExpr> getAdbColumns() {
          return adbColumns;
      }
  
      public void setAdbColumns(List<SQLIdentifierExpr> adbColumns) {
          this.adbColumns = adbColumns;
      }
  
      public List<SQLIdentifierExpr> getAdbColumnsGroup() {
          return adbColumnsGroup;
      }
  
      public void setAdbColumnsGroup(List<SQLIdentifierExpr> adbColumnsGroup) {
          this.adbColumnsGroup = adbColumnsGroup;
      }
  
      public SQLExpr getAdbWhere() {
          return adbWhere;
      }
  
      public void setAdbWhere(SQLExpr adbWhere) {
          this.adbWhere = adbWhere;
      }
  
      public void setTable(SQLName table) {
          this.setTable(new SQLExprTableSource(table));
      }
  
      public SQLPartitionRef getPartition() {
          return partition;
      }
  
      public void setPartition(SQLPartitionRef x) {
          if (x != null) {
              x.setParent(this);
          }
          this.partition = x;
      }
  
      public boolean isForColums() {
          return forColums;
      }
  
      public void setForColums(boolean forColums) {
          this.forColums = forColums;
      }
  
      public boolean isCacheMetadata() {
          return cacheMetadata;
      }
  
      public void setCacheMetadata(boolean cacheMetadata) {
          this.cacheMetadata = cacheMetadata;
      }
  
      public boolean isNoscan() {
          return noscan;
      }
  
      public void setNoscan(boolean noscan) {
          this.noscan = noscan;
      }
  
      public boolean isComputeStatistics() {
          return computeStatistics;
      }
  
      public void setComputeStatistics(boolean computeStatistics) {
          this.computeStatistics = computeStatistics;
      }
  }
  