Examples with AMutableTime org.apache.asterix.om.base.AMutableTime used on opensource projects

Example 11 with AMutableTime

use of org.apache.asterix.om.base.AMutableTime in project asterixdb by apache.

the class CurrentTimeDescriptor method createEvaluatorFactory.

/* (non-Javadoc)
     * @see org.apache.asterix.runtime.base.IScalarFunctionDynamicDescriptor#createEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory[])
     */
@Override
public IScalarEvaluatorFactory createEvaluatorFactory(IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<ATime> timeSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ATIME);

                private AMutableTime aTime = new AMutableTime(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    int timeChronon = (int) (System.currentTimeMillis() % GregorianCalendarSystem.CHRONON_OF_DAY);
                    aTime.setValue(timeChronon);
                    timeSerde.serialize(aTime, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}