| /* |
| * 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.unary; |
| |
| import java.io.DataOutput; |
| |
| 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.primitive.LongPointable; |
| 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.util.FunctionHelper; |
| import org.apache.vxquery.types.BuiltinTypeRegistry; |
| |
| public abstract class AbstractNumericUnaryScalarEvaluatorFactory extends |
| AbstractTaggedValueArgumentScalarEvaluatorFactory { |
| private static final long serialVersionUID = 1L; |
| |
| public AbstractNumericUnaryScalarEvaluatorFactory(IScalarEvaluatorFactory[] args) { |
| super(args); |
| } |
| |
| @Override |
| protected AbstractTaggedValueArgumentScalarEvaluator createEvaluator(IHyracksTaskContext ctx, |
| IScalarEvaluator[] args) throws HyracksDataException { |
| return new AbstractTaggedValueArgumentScalarEvaluator(args) { |
| final AbstractNumericUnaryOperation aOp = createNumericUnaryOperation(); |
| final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage(); |
| final DataOutput dOut = abvs.getDataOutput(); |
| final ArrayBackedValueStorage abvsInteger = new ArrayBackedValueStorage(); |
| final DataOutput dOutInteger = abvsInteger.getDataOutput(); |
| final TypedPointables tp = new TypedPointables(); |
| |
| @Override |
| protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException { |
| TaggedValuePointable tvp = args[0]; |
| int tid = getBaseTypeForArithmetics(tvp.getTag()); |
| abvs.reset(); |
| |
| try { |
| switch (tid) { |
| case ValueTag.XS_DECIMAL_TAG: |
| tvp.getValue(tp.decp); |
| aOp.operateDecimal(tp.decp, dOut); |
| result.set(abvs); |
| return; |
| |
| case ValueTag.XS_INTEGER_TAG: |
| LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable(); |
| switch (tvp.getTag()) { |
| 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_INT_TAG: |
| case ValueTag.XS_UNSIGNED_INT_TAG: |
| case ValueTag.XS_SHORT_TAG: |
| case ValueTag.XS_UNSIGNED_SHORT_TAG: |
| case ValueTag.XS_BYTE_TAG: |
| case ValueTag.XS_UNSIGNED_BYTE_TAG: |
| abvsInteger.reset(); |
| FunctionHelper.getIntegerPointable(tvp, dOutInteger, tp); |
| longp.set(abvsInteger.getByteArray(), abvsInteger.getStartOffset() + 1, |
| LongPointable.TYPE_TRAITS.getFixedLength()); |
| } |
| aOp.operateInteger(longp, dOut); |
| result.set(abvs); |
| return; |
| |
| case ValueTag.XS_FLOAT_TAG: |
| tvp.getValue(tp.floatp); |
| aOp.operateFloat(tp.floatp, dOut); |
| result.set(abvs); |
| return; |
| |
| case ValueTag.XS_DOUBLE_TAG: |
| tvp.getValue(tp.doublep); |
| aOp.operateDouble(tp.doublep, dOut); |
| result.set(abvs); |
| return; |
| } |
| } catch (SystemException se) { |
| throw se; |
| } catch (Exception e) { |
| throw new SystemException(ErrorCode.SYSE0001, e); |
| } |
| throw new SystemException(ErrorCode.XPTY0004); |
| } |
| |
| private int getBaseTypeForArithmetics(int tid) throws SystemException { |
| while (true) { |
| switch (tid) { |
| case ValueTag.XS_DECIMAL_TAG: |
| case ValueTag.XS_DOUBLE_TAG: |
| case ValueTag.XS_FLOAT_TAG: |
| case ValueTag.XS_INTEGER_TAG: |
| return tid; |
| |
| case ValueTag.XS_ANY_ATOMIC_TAG: |
| throw new SystemException(ErrorCode.XPTY0004); |
| |
| default: |
| tid = BuiltinTypeRegistry.INSTANCE.getSchemaTypeById(tid).getBaseType().getTypeId(); |
| } |
| } |
| } |
| }; |
| } |
| |
| protected abstract AbstractNumericUnaryOperation createNumericUnaryOperation(); |
| } |