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.DbType;
  import com.alibaba.druid.sql.ast.SQLCommentHint;
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLName;
  import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
  import com.alibaba.druid.sql.ast.statement.SQLUpdateSetItem;
  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 PGInsertStatement extends SQLInsertStatement implements PGSQLStatement {
      private List<ValuesClause> valuesList = new ArrayList<ValuesClause>();
      private SQLExpr returning;
      private boolean defaultValues;
  
      private List<SQLExpr> onConflictTarget;
      private SQLName onConflictConstraint;
      private SQLExpr onConflictWhere;
      private SQLExpr onConflictUpdateWhere;
      private boolean onConflictDoNothing;
      private List<SQLUpdateSetItem> onConflictUpdateSetItems;
  
      public PGInsertStatement() {
          dbType = DbType.postgresql;
      }
  
      public void cloneTo(PGInsertStatement x) {
          super.cloneTo(x);
          for (ValuesClause v : valuesList) {
              ValuesClause v2 = v.clone();
              v2.setParent(x);
              x.valuesList.add(v2);
          }
          if (returning != null) {
              x.setReturning(returning.clone());
          }
          x.defaultValues = defaultValues;
      }
  
      public SQLExpr getReturning() {
          return returning;
      }
  
      public void setReturning(SQLExpr returning) {
          this.returning = returning;
      }
  
      public ValuesClause getValues() {
          if (valuesList.isEmpty()) {
              return null;
          }
          return valuesList.get(0);
      }
  
      public void setValues(ValuesClause values) {
          if (valuesList.isEmpty()) {
              valuesList.add(values);
          } else {
              valuesList.set(0, values);
          }
      }
  
      public List<ValuesClause> getValuesList() {
          return valuesList;
      }
  
      public void addValueCause(ValuesClause valueClause) {
          valueClause.setParent(this);
          valuesList.add(valueClause);
      }
  
      public boolean isDefaultValues() {
          return defaultValues;
      }
  
      public void setDefaultValues(boolean defaultValues) {
          this.defaultValues = defaultValues;
      }
  
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor instanceof PGASTVisitor) {
              accept0((PGASTVisitor) visitor);
          } else {
              super.accept0(visitor);
          }
      }
  
      @Override
      public void accept0(PGASTVisitor visitor) {
          if (visitor.visit(this)) {
              this.acceptChild(visitor, with);
              this.acceptChild(visitor, tableSource);
              this.acceptChild(visitor, columns);
              this.acceptChild(visitor, valuesList);
              this.acceptChild(visitor, query);
              this.acceptChild(visitor, returning);
          }
  
          visitor.endVisit(this);
      }
  
      public PGInsertStatement clone() {
          PGInsertStatement x = new PGInsertStatement();
          cloneTo(x);
          return x;
      }
  
      public List<SQLExpr> getOnConflictTarget() {
          return onConflictTarget;
      }
  
      public void setOnConflictTarget(List<SQLExpr> onConflictTarget) {
          this.onConflictTarget = onConflictTarget;
      }
  
      public boolean isOnConflictDoNothing() {
          return onConflictDoNothing;
      }
  
      public void setOnConflictDoNothing(boolean onConflictDoNothing) {
          this.onConflictDoNothing = onConflictDoNothing;
      }
  
      public List<SQLUpdateSetItem> getOnConflictUpdateSetItems() {
          return onConflictUpdateSetItems;
      }
  
      public void addConflicUpdateItem(SQLUpdateSetItem item) {
          if (onConflictUpdateSetItems == null) {
              onConflictUpdateSetItems = new ArrayList<SQLUpdateSetItem>();
          }
  
          item.setParent(this);
          onConflictUpdateSetItems.add(item);
      }
  
      public SQLName getOnConflictConstraint() {
          return onConflictConstraint;
      }
  
      public void setOnConflictConstraint(SQLName x) {
          if (x != null) {
              x.setParent(this);
          }
          this.onConflictConstraint = x;
      }
  
      public SQLExpr getOnConflictWhere() {
          return onConflictWhere;
      }
  
      public void setOnConflictWhere(SQLExpr x) {
          if (x != null) {
              x.setParent(this);
          }
          this.onConflictWhere = x;
      }
  
      public SQLExpr getOnConflictUpdateWhere() {
          return onConflictUpdateWhere;
      }
  
      public void setOnConflictUpdateWhere(SQLExpr x) {
          if (x != null) {
              x.setParent(this);
          }
          this.onConflictUpdateWhere = x;
      }
  
      @Override
      public List<SQLCommentHint> getHeadHintsDirect() {
          return null;
      }
  }
  