| /* |
| * 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.bool; |
| |
| 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.BytePointable; |
| import org.apache.hyracks.data.std.primitive.DoublePointable; |
| import org.apache.hyracks.data.std.primitive.FloatPointable; |
| import org.apache.hyracks.data.std.primitive.IntegerPointable; |
| import org.apache.hyracks.data.std.primitive.LongPointable; |
| import org.apache.hyracks.data.std.primitive.ShortPointable; |
| import org.apache.hyracks.data.std.primitive.UTF8StringPointable; |
| import org.apache.vxquery.datamodel.accessors.SequencePointable; |
| import org.apache.vxquery.datamodel.accessors.TaggedValuePointable; |
| import org.apache.vxquery.datamodel.accessors.atomic.XSDecimalPointable; |
| import org.apache.vxquery.datamodel.values.ValueTag; |
| import org.apache.vxquery.datamodel.values.XDMConstants; |
| 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; |
| |
| public class FnBooleanScalarEvaluatorFactory extends AbstractTaggedValueArgumentScalarEvaluatorFactory { |
| private static final long serialVersionUID = 1L; |
| |
| public FnBooleanScalarEvaluatorFactory(IScalarEvaluatorFactory[] args) { |
| super(args); |
| } |
| |
| @Override |
| protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args) |
| throws HyracksDataException { |
| return new FnBooleanScalarEvaluator(args); |
| } |
| |
| private static class FnBooleanScalarEvaluator extends AbstractTaggedValueArgumentScalarEvaluator { |
| final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable(); |
| final LongPointable lp = (LongPointable) LongPointable.FACTORY.createPointable(); |
| final IntegerPointable ip = (IntegerPointable) IntegerPointable.FACTORY.createPointable(); |
| final ShortPointable sp = (ShortPointable) ShortPointable.FACTORY.createPointable(); |
| final BytePointable bp = (BytePointable) BytePointable.FACTORY.createPointable(); |
| final XSDecimalPointable decp = (XSDecimalPointable) XSDecimalPointable.FACTORY.createPointable(); |
| final DoublePointable dp = (DoublePointable) DoublePointable.FACTORY.createPointable(); |
| final FloatPointable fp = (FloatPointable) FloatPointable.FACTORY.createPointable(); |
| final UTF8StringPointable utf8p = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable(); |
| |
| public FnBooleanScalarEvaluator(IScalarEvaluator[] args) { |
| super(args); |
| } |
| |
| @Override |
| protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException { |
| TaggedValuePointable tvp = args[0]; |
| boolean booleanResult = true; |
| switch (tvp.getTag()) { |
| case ValueTag.SEQUENCE_TAG: { |
| tvp.getValue(seqp); |
| if (seqp.getEntryCount() == 0) { |
| booleanResult = false; |
| } |
| break; |
| } |
| |
| case ValueTag.XS_BOOLEAN_TAG: { |
| result.set(tvp); |
| return; |
| } |
| |
| case ValueTag.XS_DECIMAL_TAG: { |
| tvp.getValue(decp); |
| if (decp.longValue() == 0) { |
| booleanResult = false; |
| } |
| break; |
| } |
| |
| case ValueTag.XS_INTEGER_TAG: |
| case ValueTag.XS_LONG_TAG: |
| case ValueTag.XS_NEGATIVE_INTEGER_TAG: |
| case ValueTag.XS_NON_POSITIVE_INTEGER_TAG: |
| case ValueTag.XS_NON_NEGATIVE_INTEGER_TAG: |
| case ValueTag.XS_POSITIVE_INTEGER_TAG: |
| case ValueTag.XS_UNSIGNED_INT_TAG: |
| case ValueTag.XS_UNSIGNED_LONG_TAG: { |
| tvp.getValue(lp); |
| if (lp.longValue() == 0) { |
| booleanResult = false; |
| } |
| break; |
| } |
| |
| case ValueTag.XS_INT_TAG: |
| case ValueTag.XS_UNSIGNED_SHORT_TAG: { |
| tvp.getValue(ip); |
| if (ip.intValue() == 0) { |
| booleanResult = false; |
| } |
| break; |
| } |
| |
| case ValueTag.XS_SHORT_TAG: |
| case ValueTag.XS_UNSIGNED_BYTE_TAG: { |
| tvp.getValue(sp); |
| if (sp.shortValue() == 0) { |
| booleanResult = false; |
| } |
| break; |
| } |
| |
| case ValueTag.XS_BYTE_TAG: { |
| tvp.getValue(bp); |
| if (bp.byteValue() == 0) { |
| booleanResult = false; |
| } |
| break; |
| } |
| |
| case ValueTag.XS_DOUBLE_TAG: { |
| tvp.getValue(dp); |
| if (dp.doubleValue() == 0 || Double.isNaN(dp.doubleValue())) { |
| booleanResult = false; |
| } |
| break; |
| } |
| |
| case ValueTag.XS_FLOAT_TAG: { |
| tvp.getValue(fp); |
| if (fp.floatValue() == 0 || Float.isNaN(fp.floatValue())) { |
| booleanResult = false; |
| } |
| break; |
| } |
| |
| case ValueTag.XS_ANY_URI_TAG: |
| case ValueTag.XS_STRING_TAG: { |
| tvp.getValue(utf8p); |
| if (utf8p.getStringLength() == 0) { |
| booleanResult = false; |
| } |
| break; |
| } |
| case ValueTag.JS_NULL_TAG: { |
| booleanResult = false; |
| break; |
| } |
| case ValueTag.ARRAY_TAG: |
| case ValueTag.OBJECT_TAG: { |
| booleanResult = true; |
| break; |
| } |
| default: |
| throw new SystemException(ErrorCode.FORG0006); |
| } |
| if (booleanResult) { |
| XDMConstants.setTrue(result); |
| } else { |
| XDMConstants.setFalse(result); |
| } |
| } |
| } |
| } |