| /* |
| * 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.hyracks.algebricks.runtime.base.IScalarEvaluator; |
| import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory; |
| import org.apache.hyracks.api.context.IHyracksTaskContext; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.data.std.api.IPointable; |
| import org.apache.hyracks.data.std.util.ArrayBackedValueStorage; |
| 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; |
| |
| 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 HyracksDataException { |
| 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); |
| } |
| } |
| |
| }; |
| } |
| } |