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;
  
  import org.apache.carbondata.common.annotations.InterfaceAudience;
  import org.apache.carbondata.core.metadata.datatype.DataTypes;
  import org.apache.carbondata.core.scan.filter.intf.ExpressionType;
  import org.apache.carbondata.core.scan.filter.intf.RowIntf;
  
  @InterfaceAudience.Internal
  public class MatchExpression extends Expression {
    private String queryString;
    private int maxDoc;
  
    public MatchExpression(String queryString) {
      this.queryString = queryString;
      this.maxDoc = -1;
    }
  
    public MatchExpression(String queryString, int maxDoc) {
      this.queryString = queryString;
      this.maxDoc = maxDoc;
    }
  
    public int getMaxDoc() {
      return maxDoc;
    }
  
    @Override
    public ExpressionResult evaluate(RowIntf value) {
      return new ExpressionResult(DataTypes.BOOLEAN, true);
    }
  
    @Override
    public ExpressionType getFilterExpressionType() {
      return ExpressionType.TEXT_MATCH;
    }
  
    @Override
    public void findAndSetChild(Expression oldExpr, Expression newExpr) {
  
    }
  
    @Override
    public String getString() {
      return queryString;
    }
  
    @Override
    public String getStatement() {
      return "TEXT_MATCH('" + queryString + "')";
    }
  }
  