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.SQLDataType;
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLExprImpl;
  import com.alibaba.druid.sql.ast.SQLObject;
  import com.alibaba.druid.sql.ast.SQLReplaceable;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class SQLArrayExpr extends SQLExprImpl implements SQLReplaceable {
      private SQLExpr expr;
      private SQLDataType dataType;
      private List<SQLExpr> values = new ArrayList<SQLExpr>();
  
      public SQLArrayExpr() {
      }
  
      public SQLDataType getDataType() {
          return dataType;
      }
  
      public void setDataType(SQLDataType dataType) {
          this.dataType = dataType;
      }
  
      public SQLArrayExpr clone() {
          SQLArrayExpr x = new SQLArrayExpr();
          if (expr != null) {
              x.setExpr(expr.clone());
          }
          if (dataType != null) {
              x.setDataType(dataType.clone());
          }
          for (SQLExpr value : values) {
              SQLExpr value2 = value.clone();
              value2.setParent(x);
              x.values.add(value2);
          }
          return x;
      }
  
      public SQLExpr getExpr() {
          return expr;
      }
  
      public void setExpr(SQLExpr x) {
          if (x != null) {
              x.setParent(this);
          }
          this.expr = x;
      }
  
      public List<SQLExpr> getValues() {
          return values;
      }
  
      public void addValue(SQLExpr value) {
          value.setParent(this);
          this.values.add(value);
      }
  
      public void setValues(List<SQLExpr> values) {
          this.values = values;
          if (values != null) {
              for (SQLExpr value : values) {
                  value.setParent(this);
              }
          }
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, expr);
              acceptChild(visitor, dataType);
              acceptChild(visitor, values);
          }
          visitor.endVisit(this);
      }
  
      public List<SQLObject> getChildren() {
          List<SQLObject> children = new ArrayList<SQLObject>();
          children.add(this.expr);
          children.addAll(this.values);
          return children;
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + ((expr == null) ? 0 : expr.hashCode());
          result = prime * result + ((values == null) ? 0 : values.hashCode());
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj) {
              return true;
          }
          if (obj == null) {
              return false;
          }
          if (getClass() != obj.getClass()) {
              return false;
          }
          SQLArrayExpr other = (SQLArrayExpr) obj;
          if (expr == null) {
              if (other.expr != null) {
                  return false;
              }
          } else if (!expr.equals(other.expr)) {
              return false;
          }
          if (values == null) {
              if (other.values != null) {
                  return false;
              }
          } else if (!values.equals(other.values)) {
              return false;
          }
          return true;
      }
  
      @Override
      public boolean replace(SQLExpr expr, SQLExpr target) {
          if (this.expr == expr) {
              setExpr(target);
          }
          for (int i = 0; i < values.size(); i++) {
              if (values.get(i) == expr) {
                  target.setParent(this);
                  values.set(i, target);
                  return true;
              }
          }
          return false;
      }
  }
  