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.asterix.om.typecomputer.impl;
  
  import org.apache.asterix.om.exceptions.TypeMismatchException;
  import org.apache.asterix.om.typecomputer.base.AbstractResultTypeComputer;
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.asterix.om.types.BuiltinType;
  import org.apache.asterix.om.types.IAType;
  import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
  import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
  import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
  import org.apache.hyracks.api.exceptions.SourceLocation;
  
  public class FullTextContainsResultTypeComputer extends AbstractResultTypeComputer {
  
      public static final FullTextContainsResultTypeComputer INSTANCE = new FullTextContainsResultTypeComputer();
  
      private FullTextContainsResultTypeComputer() {
      }
  
      @Override
      protected void checkArgType(FunctionIdentifier funcId, int argIndex, IAType type, SourceLocation sourceLoc)
              throws AlgebricksException {
          ATypeTag actualTypeTag = type.getTypeTag();
          // Expression1 should be a string.
          if (argIndex == 0 && actualTypeTag != ATypeTag.STRING && actualTypeTag != ATypeTag.ANY) {
              throw new TypeMismatchException(sourceLoc, funcId, argIndex, actualTypeTag, ATypeTag.STRING);
          }
          // Expression2 should be a string, or an (un)ordered list.
          if (argIndex == 1 && (actualTypeTag != ATypeTag.STRING && actualTypeTag != ATypeTag.MULTISET
                  && actualTypeTag != ATypeTag.ARRAY && actualTypeTag != ATypeTag.ANY)) {
              throw new TypeMismatchException(sourceLoc, funcId, argIndex, actualTypeTag, ATypeTag.STRING,
                      ATypeTag.MULTISET, ATypeTag.ARRAY);
          }
          // Each option name should be a string if it is already processed by FullTextContainsParameterCheckRule.
          // Before, the third argument should be a record if exists.
          // The structure is: arg2 = optionName1, arg3 = optionValue1, arg4 = optionName1, arg5 = optionValue2, ...
          if (argIndex > 1 && argIndex % 2 == 0 && (actualTypeTag != ATypeTag.STRING && actualTypeTag != ATypeTag.OBJECT
                  && actualTypeTag != ATypeTag.ANY)) {
              throw new TypeMismatchException(sourceLoc, funcId, argIndex, actualTypeTag, ATypeTag.STRING,
                      ATypeTag.OBJECT);
          }
      }
  
      @Override
      protected IAType getResultType(ILogicalExpression expr, IAType... strippedInputTypes) throws AlgebricksException {
          return BuiltinType.ABOOLEAN;
      }
  
  }
  