/*
* 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.vxquery.runtime.functions.node;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.vxquery.datamodel.accessors.TaggedValuePointable;
import org.apache.vxquery.datamodel.accessors.TypedPointables;
import org.apache.vxquery.datamodel.values.ValueTag;
import org.apache.vxquery.exceptions.ErrorCode;
import org.apache.vxquery.exceptions.SystemException;
import org.apache.vxquery.runtime.functions.base.AbstractTaggedValueArgumentScalarEvaluator;
import org.apache.vxquery.runtime.functions.base.AbstractTaggedValueArgumentScalarEvaluatorFactory;
import org.apache.vxquery.runtime.functions.cast.CastToDoubleOperation;
import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
import edu.uci.ics.hyracks.data.std.api.IPointable;
import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
public class FnNumberScalarEvaluatorFactory extends AbstractTaggedValueArgumentScalarEvaluatorFactory {
private static final long serialVersionUID = 1L;
public FnNumberScalarEvaluatorFactory(IScalarEvaluatorFactory[] args) {
super(args);
}
@Override
protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
throws AlgebricksException {
final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
final DataOutput dOut = abvs.getDataOutput();
final CastToDoubleOperation castToDouble = new CastToDoubleOperation();
final TypedPointables tp = new TypedPointables();
return new AbstractTaggedValueArgumentScalarEvaluator(args) {
@Override
protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
TaggedValuePointable tvp1 = args[0];
try {
abvs.reset();
switch (tvp1.getTag()) {
case ValueTag.XS_STRING_TAG:
tvp1.getValue(tp.utf8sp);
castToDouble.convertString(tp.utf8sp, dOut);
break;
case ValueTag.XS_UNTYPED_ATOMIC_TAG:
tvp1.getValue(tp.utf8sp);
castToDouble.convertUntypedAtomic(tp.utf8sp, dOut);
break;
case ValueTag.XS_BOOLEAN_TAG:
tvp1.getValue(tp.boolp);
castToDouble.convertBoolean(tp.boolp, dOut);
break;
// case ValueTag.XS_YEAR_MONTH_DURATION_TAG:
case ValueTag.XS_INTEGER_TAG:
case ValueTag.XS_NON_POSITIVE_INTEGER_TAG:
case ValueTag.XS_NEGATIVE_INTEGER_TAG:
case ValueTag.XS_LONG_TAG:
case ValueTag.XS_NON_NEGATIVE_INTEGER_TAG:
case ValueTag.XS_UNSIGNED_LONG_TAG:
case ValueTag.XS_POSITIVE_INTEGER_TAG:
case ValueTag.XS_UNSIGNED_INT_TAG:
tvp1.getValue(tp.longp);
castToDouble.convertInteger(tp.longp, dOut);
break;
// case ValueTag.XS_DAY_TIME_DURATION_TAG:
case ValueTag.XS_INT_TAG:
case ValueTag.XS_UNSIGNED_SHORT_TAG:
tvp1.getValue(tp.intp);
castToDouble.convertInt(tp.intp, dOut);
break;
case ValueTag.XS_DECIMAL_TAG:
tvp1.getValue(tp.decp);
castToDouble.convertDecimal(tp.decp, dOut);
break;
case ValueTag.XS_DOUBLE_TAG:
tvp1.getValue(tp.doublep);
castToDouble.convertDouble(tp.doublep, dOut);
break;
case ValueTag.XS_FLOAT_TAG:
tvp1.getValue(tp.floatp);
castToDouble.convertFloat(tp.floatp, dOut);
break;
case ValueTag.XS_SHORT_TAG:
case ValueTag.XS_UNSIGNED_BYTE_TAG:
tvp1.getValue(tp.shortp);
castToDouble.convertShort(tp.shortp, dOut);
break;
case ValueTag.XS_BYTE_TAG:
tvp1.getValue(tp.bytep);
castToDouble.convertByte(tp.bytep, dOut);
break;
default:
dOut.write(ValueTag.XS_DOUBLE_TAG);
dOut.writeDouble(Double.NaN);
}
result.set(abvs);
} catch (SystemException e) {
try {
abvs.reset();
dOut.write(ValueTag.XS_DOUBLE_TAG);
dOut.writeDouble(Double.NaN);
result.set(abvs);
} catch (IOException e1) {
throw new SystemException(ErrorCode.SYSE0001, e);
}
} catch (IOException e) {
throw new SystemException(ErrorCode.SYSE0001, e);
}
}
};
}
}