org.apache.jena.sparql.function.StandardFunctions Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jena-arq Show documentation
Show all versions of jena-arq Show documentation
ARQ is a SPARQL 1.1 query engine for Apache Jena
/*
* 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.jena.sparql.function;
import org.apache.jena.datatypes.xsd.XSDDatatype ;
import org.apache.jena.sparql.ARQConstants ;
import org.apache.jena.sparql.function.library.* ;
import org.apache.jena.sparql.function.library.sqrt ;
import org.apache.jena.sparql.function.library.leviathan.* ;
/** Standard function library. */
public class StandardFunctions
{
/* JENA-508
* Missing: (July 2016)
*
* fn:format-dateTime
* fn:format-date
* fn:format-time
*
* and adapters to SPARQL operations that have keywords:
* fn:replace
* fn:matches
* and sparql:* for all the SPARQL builtins.
*/
/* Implementation notes
* fn:format-dateTime / fn:format-time / fn:format-date
* This is not Java's SimpleDateFormat.
* It has its own picture syntax.
* Like adjust-* we may need only one function.
*/
public static void loadStdDefs(FunctionRegistry registry) {
String xfn = ARQConstants.fnPrefix ;
String math = ARQConstants.mathPrefix ;
String sparqlfn = ARQConstants.fnSparql ;
// Update documentation in xsd-support.md
// See also:
// http://www.w3.org/TR/xpath-datamodel/#types-hierarchy
// https://www.w3.org/TR/xpath-datamodel-3/
addCastNumeric(registry, XSDDatatype.XSDdecimal) ;
addCastNumeric(registry, XSDDatatype.XSDinteger) ;
addCastNumeric(registry, XSDDatatype.XSDlong) ;
addCastNumeric(registry, XSDDatatype.XSDint) ;
addCastNumeric(registry, XSDDatatype.XSDshort) ;
addCastNumeric(registry, XSDDatatype.XSDbyte) ;
addCastNumeric(registry, XSDDatatype.XSDnonPositiveInteger) ;
addCastNumeric(registry, XSDDatatype.XSDnegativeInteger) ;
addCastNumeric(registry, XSDDatatype.XSDnonNegativeInteger) ;
addCastNumeric(registry, XSDDatatype.XSDpositiveInteger) ;
addCastNumeric(registry, XSDDatatype.XSDunsignedLong) ;
addCastNumeric(registry, XSDDatatype.XSDunsignedInt) ;
addCastNumeric(registry, XSDDatatype.XSDunsignedShort) ;
addCastNumeric(registry, XSDDatatype.XSDdouble) ;
addCastNumeric(registry, XSDDatatype.XSDfloat) ;
addCastXSD(registry, XSDDatatype.XSDboolean) ;
addCastXSD(registry, XSDDatatype.XSDduration) ;
addCastXSD(registry, XSDDatatype.XSDdayTimeDuration) ;
addCastXSD(registry, XSDDatatype.XSDyearMonthDuration) ;
addCastXSD(registry, XSDDatatype.XSDstring) ;
addCastXSD(registry, XSDDatatype.XSDanyURI) ;
addCastTemporal(registry, XSDDatatype.XSDdateTime) ;
addCastTemporal(registry, XSDDatatype.XSDdate) ;
addCastTemporal(registry, XSDDatatype.XSDtime) ;
addCastTemporal(registry, XSDDatatype.XSDgYear) ;
addCastTemporal(registry, XSDDatatype.XSDgYearMonth) ;
addCastTemporal(registry, XSDDatatype.XSDgMonth) ;
addCastTemporal(registry, XSDDatatype.XSDgMonthDay) ;
addCastTemporal(registry, XSDDatatype.XSDgDay) ;
//TODO op:numeric-greater-than etc.
//TODO sparql:* for all the SPARQL builtins.
// Sections refer to XQ/XP Expression 3.1
// https://www.w3.org/TR/xpath-functions-3/
// 5.4.1 fn:concat
// 5.4.3 fn:substring
// 5.4.4 fn:string-length
// 5.4.5 fn:normalize-space
// 5.4.6 fn:normalize-unicode
// 5.4.7 fn:upper-case
// 5.4.8 fn:lower-case
// 5.5.1 fn:contains
// 5.5.2 fn:starts-with
// 5.5.3 fn:ends-with
// 5.5.4 fn:substring-before
// 5.5.5 fn:substring-after
//add(registry, xfn+"string-join", FN_StrJoin.class) ; // Works fn:string-join works on a sequence.
add(registry, xfn+"concat", FN_StrConcat.class) ;
add(registry, xfn+"substring", FN_StrSubstring.class) ;
add(registry, xfn+"string-length", FN_StrLength.class) ;
// fn:normalize-space
add(registry,xfn+"normalize-space", FN_StrNormalizeSpace.class);
// fn:normalize-unicode
add(registry,xfn+"normalize-unicode", FN_StrNormalizeUnicode.class);
add(registry, xfn+"upper-case", FN_StrUpperCase.class) ;
add(registry, xfn+"lower-case", FN_StrLowerCase.class) ;
add(registry, xfn+"contains", FN_StrContains.class) ;
add(registry, xfn+"starts-with", FN_StrStartsWith.class) ;
add(registry, xfn+"ends-with", FN_StrEndsWith.class) ;
add(registry, xfn+"substring-before", FN_StrBefore.class) ;
add(registry, xfn+"substring-after", FN_StrAfter.class) ;
// 5.6.2 fn:matches
// 5.6.3 fn:replace c.f. SPARQL REPLACE.
add(registry, xfn+"matches", FN_Matches.class) ;
add(registry, xfn+"replace", FN_StrReplace.class) ;
// Not 5.6.4 fn:tokenize - returns a sequence.
// 4.7.2 fn:format-number
add(registry, xfn+"format-number", FN_FormatNumber.class) ;
// 4.4.1 fn:abs
// 4.4.2 fn:ceiling
// 4.4.3 fn:floor
// 4.4.4 fn:round
// 4.4.5 fn:round-half-to-even
add(registry, xfn+"abs", FN_Abs.class) ;
add(registry, xfn+"ceiling", FN_Ceiling.class) ;
add(registry, xfn+"floor", FN_Floor.class) ;
add(registry, xfn+"round", FN_Round.class) ;
add(registry, xfn+"round-half-to-even", FN_Round_Half_Even.class) ;
// 6.1 fn:resolve-uri -- Two argument form makes sense.
// 6.2 fn:encode-for-uri
// 6.3 fn:iri-to-uri -- meaningless in SPARQL.
// 6.4 fn:escape-html-uri
add(registry, xfn+"encode-for-uri", FN_StrEncodeForURI.class) ;
add(registry, xfn+"year-from-dateTime", FN_YearFromDateTime.class) ;
add(registry, xfn+"month-from-dateTime", FN_MonthFromDateTime.class) ;
add(registry, xfn+"day-from-dateTime", FN_DayFromDateTime.class) ;
add(registry, xfn+"hours-from-dateTime", FN_HoursFromDateTime.class) ;
add(registry, xfn+"minutes-from-dateTime", FN_MinutesFromDateTime.class) ;
add(registry, xfn+"seconds-from-dateTime", FN_SecondsFromDateTime.class) ;
add(registry, xfn+"timezone-from-dateTime", FN_TimezoneFromDateTime.class) ;
add(registry, xfn+"years-from-duration", FN_YearsFromDuration.class) ;
add(registry, xfn+"months-from-duration", FN_MonthsFromDuration.class) ;
add(registry, xfn+"days-from-duration", FN_DaysFromDuration.class) ;
add(registry, xfn+"hours-from-duration", FN_HoursFromDuration.class) ;
add(registry, xfn+"minutes-from-duration", FN_MinutesFromDuration.class) ;
add(registry, xfn+"seconds-from-duration", FN_SecondsFromDuration.class) ;
// 7.3.1 fn:boolean
// 7.3.2 fn:not
add(registry, xfn+"boolean", FN_BEV.class) ;
add(registry, xfn+"not", FN_Not.class) ;
// XQ/XP 3.
// 9.6.1 fn:adjust-dateTime-to-timezone
add(registry, xfn+"adjust-dateTime-to-timezone", FN_AdjustDatetimeToTimezone.class) ;
// 9.6.2 fn:adjust-date-to-timezone
add(registry, xfn+"adjust-date-to-timezone", FN_AdjustDatetimeToTimezone.class) ;
// 9.6.3 fn:adjust-time-to-timezone
add(registry, xfn+"adjust-time-to-timezone", FN_AdjustDatetimeToTimezone.class) ;
// 9.8.1 fn:format-dateTime
// 9.8.2 fn:format-date
// 9.8.3 fn:format-time
// math:
// 4.8 Trigonometric and exponential functions
// 4.8.1 math:pi
// 4.8.2 math:exp
// 4.8.3 math:exp10
// 4.8.4 math:log
// 4.8.5 math:log10
// 4.8.6 math:pow
// 4.8.7 math:sqrt
// 4.8.8 math:sin
// 4.8.9 math:cos
// 4.8.10 math:tan
// 4.8.11 math:asin
// 4.8.12 math:acos
// 4.8.13 math:atan
// 4.8.14 math:atan2
// check.
add(registry, math+"pi", pi.class) ;
add(registry, math+"exp", Math_exp.class) ; // -> XSDFuncOp
add(registry, math+"exp10", Math_exp10.class) ; // -> XSDFuncOp
// Levianthan "log" is a function which takes one or two arguments.
add(registry, math+"log", Math_log.class) ; // -> XSDFuncOp ln.class?
add(registry, math+"log10", Math_log10.class) ; // -> XSDFuncOp // - rename
// math_pow : integer preserving, otherwise doubles.
add(registry, math+"pow", Math_pow.class) ; // -> XSDFuncOp
add(registry, math+"sqrt", sqrt.class) ;
// From leviathan, with math: naming.
add(registry, math+"sin", sin.class) ;
add(registry, math+"cos", cos.class) ;
add(registry, math+"tan", tan.class) ;
add(registry, math+"asin", sin1.class) ;
add(registry, math+"acos", cos1.class) ;
add(registry, math+"atan", tan1.class) ;
add(registry, math+"atan2", Math_atan2.class) ;
// And add op:'s
// 4.2.1 op:numeric-add
// 4.2.2 op:numeric-subtract
// 4.2.3 op:numeric-multiply
// 4.2.4 op:numeric-divide
// 4.2.5 op:numeric-integer-divide
// 4.2.6 op:numeric-mod
// 4.2.7 op:numeric-unary-plus
// 4.2.8 op:numeric-unary-minus
// 4.3.1 op:numeric-equal
// 4.3.2 op:numeric-less-than
// 4.3.3 op:numeric-greater-than
// 7.2.1 op:boolean-equal
// 7.2.2 op:boolean-less-than
// 7.2.3 op:boolean-greater-than
// 8.2.1 op:yearMonthDuration-less-than
// 8.2.2 op:yearMonthDuration-greater-than
// 8.2.3 op:dayTimeDuration-less-than
// 8.2.4 op:dayTimeDuration-greater-than
// 8.2.5 op:duration-equal
// 8.4.1 op:add-yearMonthDurations
// 8.4.2 op:subtract-yearMonthDurations
// 8.4.3 op:multiply-yearMonthDuration
// 8.4.4 op:divide-yearMonthDuration
// 8.4.5 op:divide-yearMonthDuration-by-yearMonthDuration
// 8.4.6 op:add-dayTimeDurations
// 8.4.7 op:subtract-dayTimeDurations
// 8.4.8 op:multiply-dayTimeDuration
// 8.4.9 op:divide-dayTimeDuration
// 8.4.10 op:divide-dayTimeDuration-by-dayTimeDuration
// 9.4.1 op:dateTime-equal
// 9.4.2 op:dateTime-less-than
// 9.4.3 op:dateTime-greater-than
// 9.4.4 op:date-equal
// 9.4.5 op:date-less-than
// 9.4.6 op:date-greater-than
// 9.4.7 op:time-equal
// 9.4.8 op:time-less-than
// 9.4.9 op:time-greater-than
// 9.4.10 op:gYearMonth-equal
// 9.4.11 op:gYear-equal
// 9.4.12 op:gMonthDay-equal
// 9.4.13 op:gMonth-equal
// 9.4.14 op:gDay-equal
// 9.7.2 op:subtract-dateTimes
// 9.7.3 op:subtract-dates
// 9.7.4 op:subtract-times
// 9.7.5 op:add-yearMonthDuration-to-dateTime
// 9.7.6 op:add-dayTimeDuration-to-dateTime
// 9.7.7 op:subtract-yearMonthDuration-from-dateTime
// 9.7.8 op:subtract-dayTimeDuration-from-dateTime
// 9.7.9 op:add-yearMonthDuration-to-date
// 9.7.10 op:add-dayTimeDuration-to-date
// 9.7.11 op:subtract-yearMonthDuration-from-date
// 9.7.12 op:subtract-dayTimeDuration-from-date
// 9.7.13 op:add-dayTimeDuration-to-time
// 9.7.14 op:subtract-dayTimeDuration-from-time
}
private static void addCastXSD(FunctionRegistry registry, XSDDatatype dt) {
registry.put(dt.getURI(), new CastXSD(dt)) ;
}
private static void addCastNumeric(FunctionRegistry registry, XSDDatatype dt) {
registry.put(dt.getURI(), new CastXSD(dt)) ;
}
private static void addCastTemporal(FunctionRegistry registry, XSDDatatype dt) {
registry.put(dt.getURI(), new CastXSD(dt)) ;
}
private static void add(FunctionRegistry registry, String uri, Class funcClass) {
registry.put(uri, funcClass) ;
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy