content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.carbondata.core.scan.expression.conditional;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.carbondata.core.scan.expression.Expression;
  import org.apache.carbondata.core.scan.expression.ExpressionResult;
  import org.apache.carbondata.core.scan.expression.exception.FilterIllegalMemberException;
  import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedException;
  import org.apache.carbondata.core.scan.filter.intf.ExpressionType;
  import org.apache.carbondata.core.scan.filter.intf.RowIntf;
  
  public class ListExpression extends Expression {
    private static final long serialVersionUID = 1L;
  
    public ListExpression(List<Expression> children) {
      this.children = children;
    }
  
    @Override
    public ExpressionResult evaluate(RowIntf value) throws FilterUnsupportedException {
      List<ExpressionResult> listOfExprRes = new ArrayList<ExpressionResult>(10);
  
      for (Expression expr : children) {
        try {
          listOfExprRes.add(expr.evaluate(value));
        } catch (FilterIllegalMemberException e) {
          continue;
        }
      }
      return new ExpressionResult(listOfExprRes);
    }
  
    @Override
    public ExpressionType getFilterExpressionType() {
      return ExpressionType.LIST;
    }
  
    @Override
    public String getString() {
      StringBuilder value = new StringBuilder();
      value.append("ListExpression(");
      for (Expression expr : children) {
        value.append(expr.getString()).append(";");
      }
      value.append(')');
  
      return  value.toString();
    }
  
    @Override
    public String getStatement() {
      StringBuilder value = new StringBuilder();
      value.append("(");
      for (Expression expr : children) {
        value.append(expr.getString()).append(";");
      }
      value.append(')');
  
      return value.toString();
    }
  
    @Override
    public void findAndSetChild(Expression oldExpr, Expression newExpr) {
    }
  }
  