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.external.library;
  
  import org.apache.asterix.external.api.IExternalScalarFunction;
  import org.apache.asterix.external.api.IFunctionHelper;
  import org.apache.asterix.external.library.java.base.JBoolean;
  import org.apache.asterix.external.library.java.base.JDate;
  import org.apache.asterix.external.library.java.base.JDateTime;
  import org.apache.asterix.external.library.java.base.JDouble;
  import org.apache.asterix.external.library.java.base.JFloat;
  import org.apache.asterix.external.library.java.base.JInt;
  import org.apache.asterix.external.library.java.base.JString;
  
  public class TypeValidationFunction implements IExternalScalarFunction {
  
      private JString result;
  
      @Override
      public void deinitialize() {
          // no op
      }
  
      @Override
      public void evaluate(IFunctionHelper functionHelper) throws Exception {
          JInt int32 = (JInt) functionHelper.getArgument(0);
          JFloat floatVal = (JFloat) functionHelper.getArgument(1);
          JString stringVal = (JString) functionHelper.getArgument(2);
          JDouble doubleVal = (JDouble) functionHelper.getArgument(3);
          JBoolean booleanVal = (JBoolean) functionHelper.getArgument(4);
          JDate dateVal = (JDate) functionHelper.getArgument(5);
          JDateTime datetimeVal = (JDateTime) functionHelper.getArgument(6);
  
          StringBuilder sb = new StringBuilder();
          sb.append(int32.getIAObject() + " ");
          sb.append(floatVal.getIAObject() + " ");
          sb.append(stringVal.getIAObject() + " ");
          sb.append(doubleVal.getIAObject() + " ");
          sb.append(booleanVal.getIAObject() + " ");
          sb.append(dateVal.getIAObject() + " ");
          sb.append(datetimeVal.getIAObject() + " ");
          result.setValue(sb.toString());
          functionHelper.setResult(result);
      }
  
      @Override
      public void initialize(IFunctionHelper functionHelper) throws Exception {
          result = new JString("");
      }
  
  }
  