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.mysql.ast.statement;
  
  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.SQLUpdateSetItem;
  import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class MySqlUpdateStatement extends SQLUpdateStatement implements MySqlStatement {
      private boolean lowPriority;
      private boolean ignore;
      private boolean commitOnSuccess;
      private boolean rollBackOnFail;
      private boolean queryOnPk;
      private SQLExpr targetAffectRow;
  
      // for petadata
      private boolean forceAllPartitions;
      private SQLName forcePartition;
  
      protected List<SQLCommentHint> hints;
  
      public MySqlUpdateStatement() {
          super(DbType.mysql);
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor instanceof MySqlASTVisitor) {
              accept0((MySqlASTVisitor) visitor);
          } else {
              super.accept0(visitor);
          }
      }
  
      public void accept0(MySqlASTVisitor visitor) {
          if (visitor.visit(this)) {
              if (tableSource != null) {
                  tableSource.accept(visitor);
              }
  
              if (from != null) {
                  from.accept(visitor);
              }
  
              if (items != null) {
                  for (int i = 0; i < items.size(); i++) {
                      SQLUpdateSetItem item = items.get(i);
                      if (item != null) {
                          item.accept(visitor);
                      }
                  }
              }
  
              if (where != null) {
                  where.accept(visitor);
              }
  
              if (orderBy != null) {
                  orderBy.accept(visitor);
              }
  
              if (limit != null) {
                  limit.accept(visitor);
              }
  
              if (hints != null) {
                  for (int i = 0; i < hints.size(); i++) {
                      SQLCommentHint hint = hints.get(i);
                      if (hint != null) {
                          hint.accept(visitor);
                      }
                  }
              }
          }
          visitor.endVisit(this);
      }
  
      public boolean isLowPriority() {
          return lowPriority;
      }
  
      public void setLowPriority(boolean lowPriority) {
          this.lowPriority = lowPriority;
      }
  
      public boolean isIgnore() {
          return ignore;
      }
  
      public void setIgnore(boolean ignore) {
          this.ignore = ignore;
      }
  
      public boolean isCommitOnSuccess() {
          return commitOnSuccess;
      }
  
      public void setCommitOnSuccess(boolean commitOnSuccess) {
          this.commitOnSuccess = commitOnSuccess;
      }
  
      public boolean isRollBackOnFail() {
          return rollBackOnFail;
      }
  
      public void setRollBackOnFail(boolean rollBackOnFail) {
          this.rollBackOnFail = rollBackOnFail;
      }
  
      public boolean isQueryOnPk() {
          return queryOnPk;
      }
  
      public void setQueryOnPk(boolean queryOnPk) {
          this.queryOnPk = queryOnPk;
      }
  
      public SQLExpr getTargetAffectRow() {
          return targetAffectRow;
      }
  
      public void setTargetAffectRow(SQLExpr targetAffectRow) {
          if (targetAffectRow != null) {
              targetAffectRow.setParent(this);
          }
          this.targetAffectRow = targetAffectRow;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          if (!super.equals(o)) {
              return false;
          }
  
          MySqlUpdateStatement that = (MySqlUpdateStatement) o;
  
          if (lowPriority != that.lowPriority) {
              return false;
          }
          if (ignore != that.ignore) {
              return false;
          }
          if (commitOnSuccess != that.commitOnSuccess) {
              return false;
          }
          if (rollBackOnFail != that.rollBackOnFail) {
              return false;
          }
          if (queryOnPk != that.queryOnPk) {
              return false;
          }
          if (this.hints != null ? !hints.equals(that.hints) : that.hints != null) {
              return false;
          }
          if (limit != null ? !limit.equals(that.limit) : that.limit != null) {
              return false;
          }
          return targetAffectRow != null ? targetAffectRow.equals(that.targetAffectRow) : that.targetAffectRow == null;
      }
  
      @Override
      public int hashCode() {
          int result = super.hashCode();
          result = 31 * result + (limit != null ? limit.hashCode() : 0);
          result = 31 * result + (lowPriority ? 1 : 0);
          result = 31 * result + (ignore ? 1 : 0);
          result = 31 * result + (commitOnSuccess ? 1 : 0);
          result = 31 * result + (rollBackOnFail ? 1 : 0);
          result = 31 * result + (queryOnPk ? 1 : 0);
          result = 31 * result + (targetAffectRow != null ? targetAffectRow.hashCode() : 0);
          result = 31 * result + (hints != null ? hints.hashCode() : 0);
          return result;
      }
  
      public SQLName getForcePartition() {
          return forcePartition;
      }
  
      public void setForcePartition(SQLName x) {
          if (x != null) {
              x.setParent(this);
          }
          this.forcePartition = x;
      }
  
      public boolean isForceAllPartitions() {
          return forceAllPartitions;
      }
  
      public void setForceAllPartitions(boolean forceAllPartitions) {
          this.forceAllPartitions = forceAllPartitions;
      }
  
      public int getHintsSize() {
          if (hints == null) {
              return 0;
          }
  
          return hints.size();
      }
  
      public List<SQLCommentHint> getHints() {
          if (hints == null) {
              hints = new ArrayList<SQLCommentHint>(2);
          }
          return hints;
      }
  
      public void setHints(List<SQLCommentHint> hints) {
          this.hints = hints;
      }
  
  }
  