Uses of Class
org.apache.jena.sparql.util.Symbol

Packages that use Symbol

Package	Description
org.apache.jena.atlas.event
org.apache.jena.query	ARQ - A query engine for Jena, implementing SPARQL.
org.apache.jena.riot
org.apache.jena.riot.lang
org.apache.jena.riot.resultset.rw
org.apache.jena.riot.writer
org.apache.jena.sparql
org.apache.jena.sparql.algebra.optimize
org.apache.jena.sparql.core
org.apache.jena.sparql.engine.http
org.apache.jena.sparql.expr
org.apache.jena.sparql.function.library
org.apache.jena.sparql.function.scripting
org.apache.jena.sparql.modify
org.apache.jena.sparql.pfunction
org.apache.jena.sparql.resultset
org.apache.jena.sparql.util

Uses of Symbol in org.apache.jena.atlas.event

Subclasses of Symbol in org.apache.jena.atlas.event

Modifier and Type	Class	Description
class	EventType

Uses of Symbol in org.apache.jena.query

Subclasses of Symbol in org.apache.jena.query

Modifier and Type	Class	Description
class	Syntax	Symbols for query language syntaxes

Fields in org.apache.jena.query declared as Symbol

Modifier and Type	Field	Description
static Symbol	ARQ.constantBNodeLabels	Controls bNode labels as <_:...> or not - that is a pseudo URIs.
static Symbol	ARQ.enableExecutionTimeLogging	Enable logging of execution timing.
static Symbol	ARQ.enablePropertyFunctions	Enable built-in property functions - also called "magic properties".
static Symbol	ARQ.extensionValueTypes	Expression evaluation without extension types (e.g.
static Symbol	ARQ.fixupUndefinedPrefixes	If set to true, the parsers will convert undefined prefixes to a URI according to the fixup function RiotLib.fixupPrefixes.
static Symbol	ARQ.generateToList	Generate the ToList operation in the algebra (as ARQ is stream based, ToList is a non-op).
static Symbol	ARQ.hideNonDistiguishedVariables	Context key to control hiding non-distinuished variables
static Symbol	ARQ.inputGraphBNodeLabels	If true, XML result sets will use the bNode label in the result set itself.
static Symbol	ARQ.javaRegex	Symbol to name java.util.regex regular expression engine
static Symbol	ARQ.optDistinctToReduced	Context key controlling whether a DISTINCT-ORDER BY query is done by replacing the distinct with a reduced.
static Symbol	ARQ.optExprConstantFolding	Context key controlling whether the standard optimizer applies constant folding to expressions
static Symbol	ARQ.optFilterConjunction	Context key controlling whether the standard optimizer applies optimizations to conjunctions (&&) in filters.
static Symbol	ARQ.optFilterDisjunction	Context key controlling whether the standard optimizer applies optimizations to disjunctions (||) in filters.
static Symbol	ARQ.optFilterEquality	Context key controlling whether the standard optimizer applies optimizations to equalities in FILTERs.
static Symbol	ARQ.optFilterExpandOneOf	Context key controlling whether the standard optimizer applies optimizations to IN and NOT IN.
static Symbol	ARQ.optFilterImplicitJoin	Context key controlling whether the standard optimizer applies optimizations to implicit joins in FILTERs.
static Symbol	ARQ.optFilterInequality	Context key controlling whether the standard optimizer applies optimizations to inequalities in FILTERs This optimization is conservative - it does not take place if there is a potential risk of changing query semantics
static Symbol	ARQ.optFilterPlacement	Context key controlling whether the main query engine moves filters to the "best" place.
static Symbol	ARQ.optFilterPlacementBGP	Context key controlling whether to do filter placement within BGP and quad blocks.
static Symbol	ARQ.optFilterPlacementConservative	Context key controlling whether the main query engine moves filters to the "best" place using the more limited and conservative strategy which does not place as many filters Must be explicitly set "true" to operate.
static Symbol	ARQ.optimization	Context key controlling whether the main query engine applies the default optimization transformations.
static Symbol	ARQ.optImplicitLeftJoin	Context key controlling whether the standard optimizer applies optimizations to implicit left joins.
static Symbol	ARQ.optIndexJoinStrategy	Context key controlling whether the standard optimizer applies optimizations to the evaluation of joins to favour index joins wherever possible
static Symbol	ARQ.optInlineAssignments	Context key controlling whether the standard optimizer applies optimizations where by some assignments may be eliminated/inlined into the operators where their values are used only once
static Symbol	ARQ.optInlineAssignmentsAggressive	Context key controlling whether the standard optimizer aggressively inlines assignments whose values are used only once into operators where those expressions may be evaluated multiple times e.g.
static Symbol	ARQ.optMergeBGPs	Context key controlling whether the standard optimizater applies optimizations to joined BGPs to merge them into single BGPs.
static Symbol	ARQ.optMergeExtends	Context key controlling whether the standard optimizer applies the optimization to combine stacks of (extend) into one compound operation.
static Symbol	ARQ.optOrderByDistinctApplication	Context key controlling whether a DISTINCT-ORDER BY query is done by applying the ORDER BY after the DISTINCT when default SPARQL semantics usually mean ORDER BY applies before DISTINCT.
static Symbol	ARQ.optPathFlatten	Context key controlling whether the main query engine flattens simple paths (e.g.
static Symbol	ARQ.optPromoteTableEmpty	Context key controlling whether the standard optimizer applies table empty promotion
static Symbol	ARQ.optReorderBGP	Context key controlling whether the standard optimizer applies the optimization to reorder basic graph patterns.
static Symbol	ARQ.optTopNSorting	Context key controlling whether an ORDER BY-LIMIT query is done avoiding total sort using an heap.
static Symbol	ARQ.outputGraphBNodeLabels	If true, XML result sets written will contain the graph bNode label See also inputGraphBNodeLabels
static Symbol	ARQ.propertyFunctions	Context key controlling whether the main query engine processes property functions.
static Symbol	ARQ.queryTimeout	Set timeout.
static Symbol	ARQ.regexImpl	Determine which regular expression system to use.
static Symbol	ARQ.serviceAllowed	Control whether SERVICE processing is allowed.
static Symbol	ARQ.serviceParams	Use this Symbol to allow passing additional query parameters to a SERVICE <IRI> call.
static Symbol	ARQ.spillToDiskThreshold	A Long value that specifies the number of bindings (or triples for CONSTRUCT queries) to be stored in memory by sort operations or hash tables before switching to temporary disk files.
static Symbol	ARQ.stageGenerator	Context key for StageBuilder used in BGP compilation
static Symbol	ARQ.strictSPARQL	Stick exactly to the spec.
static Symbol	ARQ.symJavaScriptFunctions	Context symbol for JavaScript functions as a string value which is evaluated.
static Symbol	ARQ.symJavaScriptLibFile	Context symbol for JavaScript library of functions defined in a file.
static Symbol	ARQ.symLogExec	Symbol to enable logging of execution.
static Symbol	ARQ.topNSortingThreshold	Threshold for doing a top N sort for ORDER-LIMIT.
static Symbol	ARQ.useSAX	Use the SAX parser for XML result sets.
static Symbol	ARQ.xercesRegex	Symbol to name the Xerces-J regular expression engine

Methods in org.apache.jena.query with parameters of type Symbol

Modifier and Type	Method	Description
static boolean	ARQ.isFalse(Symbol symbol)
static boolean	ARQ.isFalseOrUndef(Symbol symbol)
static boolean	ARQ.isTrue(Symbol symbol)
static boolean	ARQ.isTrueOrUndef(Symbol symbol)
static void	ARQ.set(Symbol symbol, boolean value)
static void	ARQ.setFalse(Symbol symbol)
static void	ARQ.setTrue(Symbol symbol)
static void	ARQ.unset(Symbol symbol)

Uses of Symbol in org.apache.jena.riot

Fields in org.apache.jena.riot declared as Symbol

Modifier and Type	Field	Description
static Symbol	RIOT.multilineLiterals	Control of multiline literals
static Symbol	RIOT.symTurtleDirectiveStyle	Printing style.
static Symbol	RIOT.symTurtleOmitBase	Printing style.
static Symbol	SysRIOT.sysRdfReaderProperties	Context key for old style RDFReader properties.
static Symbol	SysRIOT.sysRdfWriterProperties	Context key for old style RDFWriter properties.
static Symbol	SysRIOT.sysStreamManager	Context key for the StreamManager

Methods in org.apache.jena.riot with parameters of type Symbol

Modifier and Type	Method	Description
RDFParserBuilder	RDFParserBuilder.set(Symbol symbol, java.lang.Object value)	Added a setting to the context for the parser when built.
RDFWriterBuilder	RDFWriterBuilder.set(Symbol symbol, java.lang.Object value)	Added a setting to the context for the writer when built.

Uses of Symbol in org.apache.jena.riot.lang

Fields in org.apache.jena.riot.lang declared as Symbol

Modifier and Type	Field	Description
static Symbol	JsonLDReader.JSONLD_CONTEXT	Symbol to use to pass (in a Context object) the "@context" to be used when reading jsonld (overriding the actual @context in the jsonld) Expected value: the value of the "@context", as expected by the JSONLD-java API (a Map)
static Symbol	JsonLDReader.JSONLD_OPTIONS	value: the option object expected by JsonLdProcessor (instance of JsonLdOptions)

Uses of Symbol in org.apache.jena.riot.resultset.rw

Fields in org.apache.jena.riot.resultset.rw declared as Symbol

Modifier and Type	Field	Description
static Symbol	ResultSetWriterXML.xmlInstruction
static Symbol	ResultSetWriterXML.xmlStylesheet

Methods in org.apache.jena.riot.resultset.rw with parameters of type Symbol

Modifier and Type	Method	Description
ResultsWriter.Builder	ResultsWriter.Builder.set(Symbol symbol, java.lang.Object value)	Set a value in the writing context.
ResultsWriter.Builder	ResultsWriter.Builder.unset(Symbol symbol)	Remove a context setting.

Uses of Symbol in org.apache.jena.riot.writer

Fields in org.apache.jena.riot.writer declared as Symbol

Modifier and Type	Field	Description
static Symbol	JsonLDWriter.JSONLD_ADD_ALL_PREFIXES_TO_CONTEXT	if creating a (jsonld) context from dataset, should we include all the prefixes defined in graph's prefix mappings value: a Boolean (default: true)
static Symbol	JsonLDWriter.JSONLD_CONTEXT	Expected value: the value of the "@context" (a JSON String, or the object expected by the JSONLD-java API)
static Symbol	JsonLDWriter.JSONLD_CONTEXT_SUBSTITUTION	Expected value: the value of the "@context" to be put in final output (a JSON String) This is NOT the context used to produce the output (given by JSONLD_CONTEXT, or computed from the input RDF.
static Symbol	JsonLDWriter.JSONLD_FRAME	value: a JSON String, or the frame object expected by JsonLdProcessor.frame
static Symbol	JsonLDWriter.JSONLD_OPTIONS	value: the option object expected by JsonLdProcessor (instance of JsonLdOptions)

Uses of Symbol in org.apache.jena.sparql

Fields in org.apache.jena.sparql declared as Symbol

Modifier and Type	Field	Description
static Symbol	ARQConstants.autoDistinct	Context key for making all SELECT queries have DISTINCT applied, whether stated or not
static Symbol	ARQConstants.registryDescribeHandlers	The describe handler registry key
static Symbol	ARQConstants.registryExtensions	The extension library registry key
static Symbol	ARQConstants.registryFunctions	The function library registry key
static Symbol	ARQConstants.registryProcedures	The function library registry key
static Symbol	ARQConstants.registryPropertyFunctions	The property function registry key
static Symbol	ARQConstants.symDatasetDefaultGraphs	Graphs forming the default graph (List<String>) (Dynamic dataset)
static Symbol	ARQConstants.symDatasetNamedGraphs	Graphs forming the named graphs (List<String>) (Dynamic dataset)
static Symbol	ARQConstants.symPrologue	Context symbol for a supplied Prologue (used for text out of result sets).
static Symbol	ARQConstants.sysCurrentAlgebra	Context key for the algebra expression of the query execution after optimization
static Symbol	ARQConstants.sysCurrentDataset	Context key for the dataset for the current query execution.
static Symbol	ARQConstants.sysCurrentQuery	Context key for the query for the current query execution (may be null if was not created from a query string )
static Symbol	ARQConstants.sysCurrentTime	Context key for the current time of query execution
static Symbol	ARQConstants.sysDatasetDescription	Context key for the dataset description (if any).
static Symbol	ARQConstants.sysOpExecutorFactory	Context key for the OpExecutor to be used
static Symbol	ARQConstants.sysOptimizer	Context key for the optimizer used in this execution
static Symbol	ARQConstants.sysOptimizerFactory	Context key for the optimizer factory to be used
static Symbol	ARQConstants.sysVarAllocAnon	Context key for the execution-scoped bNode variable generator
static Symbol	ARQConstants.sysVarAllocNamed	Context key for the execution-scoped named variable generator
static Symbol	ARQConstants.sysVarAllocRDFStar
static Symbol	ARQConstants.sysVersionARQ	Context key for ARQ version
static Symbol	ARQConstants.sysVersionJena	Context key for Jena version

Methods in org.apache.jena.sparql that return Symbol

Modifier and Type	Method	Description
static Symbol	SystemARQ.allocSymbol(java.lang.String shortName)
static Symbol	SystemARQ.allocSymbol(java.lang.String base, java.lang.String shortName)

Uses of Symbol in org.apache.jena.sparql.algebra.optimize

Fields in org.apache.jena.sparql.algebra.optimize declared as Symbol

Modifier and Type	Field	Description
static Symbol	OptimizerStd.filterPlacementOldName	Alternative name for compatibility only

Uses of Symbol in org.apache.jena.sparql.core

Methods in org.apache.jena.sparql.core with parameters of type Symbol

Modifier and Type	Method	Description
static VarAlloc	VarAlloc.get(Context context, Symbol name)

Uses of Symbol in org.apache.jena.sparql.engine.http

Fields in org.apache.jena.sparql.engine.http declared as Symbol

Modifier and Type	Field	Description
static Symbol	Service.queryClient	Use to set the HTTP client for a service.
static Symbol	Service.queryCompression	Use to set the HttpQuery.allowCompression flag.
static Symbol	Service.queryTimeout	Set timeout.
static Symbol	Service.serviceAllowed	Control whether SERVICE processing is allowed.
static Symbol	Service.serviceContext	Use this Symbol to allow passing additional service context variables SERVICE <IRI> call.

Uses of Symbol in org.apache.jena.sparql.expr

Subclasses of Symbol in org.apache.jena.sparql.expr

Modifier and Type	Class	Description
class	FunctionLabel

Uses of Symbol in org.apache.jena.sparql.function.library

Fields in org.apache.jena.sparql.function.library declared as Symbol

Modifier and Type	Field	Description
static Symbol	nowtz.symNowTz

Methods in org.apache.jena.sparql.function.library with parameters of type Symbol

Modifier and Type	Method	Description
static NodeValue	context.get(Symbol symbol, FunctionEnv env)
static NodeValue	SystemVar.get(Symbol symbol, FunctionEnv env)

Uses of Symbol in org.apache.jena.sparql.function.scripting

Methods in org.apache.jena.sparql.function.scripting that return Symbol

Modifier and Type	Method	Description
static Symbol	LanguageSymbols.scriptFunctions(java.lang.String lang)
static Symbol	LanguageSymbols.scriptLibrary(java.lang.String lang)

Uses of Symbol in org.apache.jena.sparql.modify

Fields in org.apache.jena.sparql.modify declared as Symbol

Modifier and Type	Field	Description
static Symbol	UpdateProcessRemoteBase.HTTP_CONTEXT	Symbol used to set a HttpContext which will be used for HTTP requests

Uses of Symbol in org.apache.jena.sparql.pfunction

Subclasses of Symbol in org.apache.jena.sparql.pfunction

Modifier and Type	Class	Description
class	PropFuncArgType

Uses of Symbol in org.apache.jena.sparql.resultset

Subclasses of Symbol in org.apache.jena.sparql.resultset

Modifier and Type	Class	Description
class	ResultsFormat

Uses of Symbol in org.apache.jena.sparql.util

Methods in org.apache.jena.sparql.util that return Symbol

Modifier and Type	Method	Description
static Symbol	Symbol.create(java.lang.String symbolStr)
static Symbol	Symbol.create(Symbol other)

Methods in org.apache.jena.sparql.util that return types with arguments of type Symbol

Modifier and Type	Method	Description
java.util.Set<Symbol>	Context.keys()	Set of properties (as Symbols) currently defined

Methods in org.apache.jena.sparql.util with parameters of type Symbol

Modifier and Type	Method	Description
static Symbol	Symbol.create(Symbol other)
<T> T	Context.get(Symbol property)	Get the object value of a property or null
java.lang.Object	Context.get(Symbol property, java.lang.Object defaultValue)	Get the object value of a property - return the default value if not present .
java.lang.String	Context.getAsString(Symbol property)	Get the value a string (uses .toString() if the value is not null)
java.lang.String	Context.getAsString(Symbol property, java.lang.String defaultValue)	Get the value a string (uses .toString() if the value is not null) - supply a default string value
int	Context.getInt(Symbol symbol, int defaultValue)	Get the value as a long value.
long	Context.getLong(Symbol symbol, long defaultValue)	Get the value as a long value.
boolean	Context.hasValue(Symbol property, java.lang.Object value)	Test whether a named value is a specific value (.equals)
boolean	Context.hasValueAsString(Symbol property, java.lang.String value)	Test whether a named value (as a string) has a specific string form
boolean	Context.hasValueAsString(Symbol property, java.lang.String value, boolean ignoreCase)	Test whether a named value (as a string) has a specific string form - can ignore case
boolean	Context.isDefined(Symbol property)	Is a property set?
boolean	Context.isFalse(Symbol property)	Is the value 'false' (either set to the string "false" or Boolean.FALSE)
boolean	Context.isFalseOrUndef(Symbol property)	Is the value 'false' (either set to the string "false" or Boolean.FALSE) or undefined
boolean	Context.isTrue(Symbol property)	Is the value 'true' (either set to the string "true" or Boolean.TRUE)
boolean	Context.isTrueOrUndef(Symbol property)	Is the value 'true' (either set to the string "true" or Boolean.TRUE) or undefined?
boolean	Context.isUndef(Symbol property)	Is a property not set?
void	Context.put(Symbol property, java.lang.Object value)	Store a named value - overwrites any previous set value
void	Context.remove(Symbol property)	Remove any value associated with a property
void	Context.set(Symbol property, boolean value)	Store a named value - overwrites any previous set value
void	Context.set(Symbol property, java.lang.Object value)	Store a named value - overwrites any previous set value
void	Context.setFalse(Symbol property)	Set property value to be false
void	Context.setIfUndef(Symbol property, java.lang.Object value)	Store a named value only if it is not currently set
void	Context.setTrue(Symbol property)	Set property value to be true
void	Context.unset(Symbol property)	Remove any value associated with a property - alternative method name