content: /*
   *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
   *  <p>
   *  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
   *  <p>
   *  http://www.apache.org/licenses/LICENSE-2.0
   *  <p>
   *  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.agentsflex.core.store.condition;
  
  import com.agentsflex.core.util.StringUtil;
  
  public class Group extends Condition {
  
      private String prevOperand = "";
      private final Condition childCondition;
  
      public Group(Condition condition) {
          this.childCondition = condition;
      }
  
      public Group(String prevOperand, Condition childCondition) {
          this.prevOperand = prevOperand;
          this.childCondition = childCondition;
      }
  
  
      @Override
      public boolean checkEffective() {
          boolean effective = super.checkEffective();
          if (!effective) {
              return false;
          }
          Condition condition = this.childCondition;
          while (condition != null) {
              if (condition.checkEffective()) {
                  return true;
              }
              condition = condition.next;
          }
          return false;
      }
  
  
      @Override
      public String toExpression(ExpressionAdaptor adaptor) {
          StringBuilder expr = new StringBuilder();
          if (checkEffective()) {
              String childExpr = childCondition.toExpression(adaptor);
              Condition prevEffectiveCondition = getPrevEffectiveCondition();
              if (prevEffectiveCondition != null && this.connector != null) {
                  childExpr = adaptor.toConnector(this.connector) + this.prevOperand + adaptor.toGroupStart(this) + childExpr + adaptor.toGroupEnd(this);
              } else if (StringUtil.hasText(childExpr)) {
                  childExpr = this.prevOperand + adaptor.toGroupStart(this) + childExpr + adaptor.toGroupEnd(this);
              }
              expr.append(childExpr);
          }
  
          if (this.next != null) {
              expr.append(next.toExpression(adaptor));
          }
          return expr.toString();
      }
  }
  