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.runtime.evaluators.functions.temporal;
  
  import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
  import org.apache.asterix.om.base.AMutableTime;
  import org.apache.asterix.om.base.ATime;
  import org.apache.asterix.om.types.BuiltinType;
  import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
  import org.apache.hyracks.api.context.IEvaluatorContext;
  import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.api.exceptions.SourceLocation;
  import org.apache.hyracks.data.std.api.IPointable;
  import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
  
  abstract class AbstractCurrentTimeEval extends AbstractCurrentTemporalValueEval {
  
      @SuppressWarnings("unchecked")
      private final ISerializerDeserializer<ATime> timeSerde =
              SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ATIME);
      private final AMutableTime aTime = new AMutableTime(0);
  
      public AbstractCurrentTimeEval(IEvaluatorContext ctx, SourceLocation sourceLoc, FunctionIdentifier funcId) {
          super(ctx, sourceLoc, funcId);
      }
  
      @Override
      public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
          resultStorage.reset();
          int timeChronon = getCurrentTimeChrononAdjusted();
          aTime.setValue(timeChronon);
          timeSerde.serialize(aTime, out);
          result.set(resultStorage);
      }
  
      protected abstract int getCurrentTimeChrononAdjusted() throws HyracksDataException;
  }
  