ExprFactory (Apache Jena - Extras - Query Builder 3.17.0)

java.lang.Object
- org.apache.jena.arq.querybuilder.ExprFactory

```
public class ExprFactory
extends Object
```
Create expressions. NodeValue contains a number of static functions to make a number of node functions.

See Also:

Function names here map as closely as possible to the tag names for the generated expression.

Constructor Summary

Constructors
Constructor and Description
`ExprFactory()` Constructs an expression factory with the prefix definitions found in `PrefixMapping.Extended`
`ExprFactory(PrefixMapping pMap)` Constructs an expression factor with the specified prefix definitions.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`E_NumAbs`	`abs(Object expr)` implements abs() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-abs Converts expr to an Expr object via expr()
`E_Add`	`add(Object expr1, Object expr2)` implements addition as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_LogicalAnd`	`and(Object expr1, Object expr2)` implements logical and as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`Expr`	`asExpr(Object o)` Convert the object into an expression using the query's PrefixMapping
`static Expr`	`asExpr(Object o, PrefixMapping pMap)` Create an expression from an object.
`ExprList`	`asList(Object... args)` Not really an Expr but a container of exprs.
`ExprVar`	`asVar(Object o)` Converts the object to a ExprVar.
`E_BNode`	`bnode()` implements bnode() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-bnode
`E_BNode`	`bnode(Object expr1)` implements bnode() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-bnode Converts expr to an Expr object via expr()
`E_Bound`	`bound(Object expr)` implements bound() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-bound Converts expr to an Expr object via expr()
`E_Call`	`call(ExprList args)` Creates a function call as per the SPARQL 11 query definition.
`E_FunctionDynamic`	`call(Object function, ExprList args)` Creates a dynamic function call.
`E_FunctionDynamic`	`call(Object function, Object... args)` Creates a dynamic function call.
`E_NumCeiling`	`ceil(Object expr)` implements ceil() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-ceil Converts expr to an Expr object via expr()
`E_Coalesce`	`coalesce(ExprList args)` implements coalesce() as per the SPARQL 11 query definition.
`E_Coalesce`	`coalesce(Object... args)` implements coalesce() as per the SPARQL 11 query definition.
`E_StrConcat`	`concat(ExprList list)` implements concat() as per the SPARQL 11 query definition.
`E_StrConcat`	`concat(Object... list)` implements concat() as per the SPARQL 11 query definition.
`E_Conditional`	`cond(Expr condition, Expr thenExpr, Expr elseExpr)` implements if() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-if Converts expr to an Expr object via expr()
`E_StrContains`	`contains(Object expr1, Object expr2)` implements contains() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-contains Converts expr to an Expr object via expr()
`E_Datatype`	`datatype(Object expr)` implements datatype() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-datatype Converts expr to an Expr object via expr()
`E_DateTimeDay`	`day(Object expr)` implements day() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-day Converts expr to an Expr object via expr()
`E_Divide`	`divide(Object expr1, Object expr2)` implements division as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_StrEncodeForURI`	`encode(Object expr)` implements encode() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-encode Converts expr to an Expr object via expr()
`E_Equals`	`eq(Object expr1, Object expr2)` implements equality as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_Exists`	`exists(WhereClause<?> whereClause)` implements exists() as per the SPARQL 11 query definition.
`E_NumFloor`	`floor(Object expr)` implements floor() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-floor Converts expr to an Expr object via expr()
`E_Function`	`function(String name, ExprList args)` Creates a function call as per the SPARQL 11 query definition.
`E_GreaterThanOrEqual`	`ge(Object expr1, Object expr2)` implements greater than or equal as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_GreaterThan`	`gt(Object expr1, Object expr2)` implements greater than as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_DateTimeHours`	`hours(Object expr)` implements hours() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-hours Converts expr to an Expr object via expr()
`E_OneOf`	`in(Object expr, ExprList list)` implements "in" as per the SPARQL 11 query definition.
`E_OneOf`	`in(Object expr, Object... list)` implements "in" as per the SPARQL 11 query definition.
`E_IRI`	`iri(Object expr)` implements iri() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-iri Converts expr to an Expr object via expr()
`E_IsBlank`	`isBlank(Object expr)` implements isBlank() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-isBlank Converts expr to an Expr object via expr()
`E_IsIRI`	`isIRI(Object expr)` implements isIRI() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-isIRI Converts expr to an Expr object via expr()
`E_IsLiteral`	`isLiteral(Object expr)` implements isLiteral() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-isLiteral Converts expr to an Expr object via expr()
`E_IsNumeric`	`isNumeric(Object expr)` implements isNumeric() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-isNumeric Converts expr to an Expr object via expr()
`E_Lang`	`lang(Object expr)` implements lang() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-lang Converts expr to an Expr object via expr()
`E_LangMatches`	`langMatches(Object expr1, Object expr2)` implements langMatches() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-langMatches Converts expr to an Expr object via expr()
`E_StrLowerCase`	`lcase(Object expr)` implements lcase() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-lcase Converts expr to an Expr object via expr()
`E_LessThanOrEqual`	`le(Object expr1, Object expr2)` implements less than or equal as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`ExprList`	`list()` Not really an Expr but a container of exprs.
`E_LessThan`	`lt(Object expr1, Object expr2)` implements less than as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_MD5`	`md5(Object expr)` implements md5() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-md5 Converts expr to an Expr object via expr()
`E_UnaryMinus`	`minus(Object expr)` implements unary minus as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_DateTimeMinutes`	`minutes(Object expr)` implements minutes() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-minutes Converts expr to an Expr object via expr()
`E_DateTimeMonth`	`month(Object expr)` implements month() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-month Converts expr to an Expr object via expr()
`E_Multiply`	`multiply(Object expr1, Object expr2)` implements multiplication s per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_NotEquals`	`ne(Object expr1, Object expr2)` implements not equals as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`ExprNone`	`none()` Should probably be called "null" but that is a reserved work.
`E_LogicalNot`	`not(Object expr)` implements not() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-not Converts expr to an Expr object via expr()
`E_NotExists`	`notexists(WhereClause<?> whereClause)` implements not exists() as per the SPARQL 11 query definition.
`E_NotOneOf`	`notin(Object expr, ExprList list)` implements "not in" as per the SPARQL 11 query definition.
`E_NotOneOf`	`notin(Object expr, Object... list)` implements "not in" as per the SPARQL 11 query definition.
`E_Now`	`now()` implements now() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-now
`E_LogicalOr`	`or(Object expr1, Object expr2)` implements logical or as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_UnaryPlus`	`plus(Object expr)` implements unary plus as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`String`	`quote(String s)` Deprecated. use `Converters.quoted(String)`
`E_Random`	`rand()` implements rand() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-rand
`E_Regex`	`regex(Object expr, Object pattern, Object flags)` implements regex() as per the SPARQL 11 query definition.
`E_Regex`	`regex(Object expr, String pattern, String flags)` implements regex() as per the SPARQL 11 query definition.
`E_StrReplace`	`replace(Object arg, Object pattern, Object replacement)` implements replace() as per the SPARQL 11 query definition.
`E_StrReplace`	`replace(Object arg, Object pattern, Object replacement, Object flags)` implements replace() as per the SPARQL 11 query definition.
`E_NumRound`	`round(Object expr)` implements round() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-round Converts expr to an Expr object via expr()
`E_SameTerm`	`sameTerm(Object expr1, Object expr2)` implements sameTerm() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sameTerm Converts expr to an Expr object via expr()
`E_DateTimeSeconds`	`seconds(Object expr)` implements seconds() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-seconds Converts expr to an Expr object via expr()
`E_SHA1`	`sha1(Object expr)` implements sha1() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha1 Converts expr to an Expr object via expr()
`E_SHA224`	`sha224(Object expr)` implements sha224() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha224 Converts expr to an Expr object via expr()
`E_SHA256`	`sha256(Object expr)` implements sha256() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha256 Converts expr to an Expr object via expr()
`E_SHA384`	`sha384(Object expr)` implements sha384() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha384 Converts expr to an Expr object via expr()
`E_SHA512`	`sha512(Object expr)` implements sha512() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha512 Converts expr to an Expr object via expr()
`E_Str`	`str(Object expr)` implements str() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-str Converts expr to an Expr object via expr()
`E_StrAfter`	`strafter(Object expr1, Object expr2)` implements strafter() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strafter Converts expr to an Expr object via expr()
`E_StrBefore`	`strbefore(Object expr1, Object expr2)` implements strbefore() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strbefore Converts expr to an Expr object via expr()
`E_StrDatatype`	`strdt(Object expr1, Object expr2)` implements strdt() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strdt Converts expr to an Expr object via expr()
`E_StrEndsWith`	`strends(Object expr1, Object expr2)` implements strends() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strends Converts expr to an Expr object via expr()
`E_StrLang`	`strlang(Object expr1, Object expr2)` implements strlang() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strlang Converts expr to an Expr object via expr()
`E_StrLength`	`strlen(Object expr)` implements strlen() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strlen Converts expr to an Expr object via expr()
`E_StrStartsWith`	`strstarts(Object expr1, Object expr2)` implements strstarts() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strstarts Converts expr to an Expr object via expr()
`E_StrUUID`	`struuid()` implements struuid() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-struuid
`E_StrSubstring`	`substr(Object src, Object loc)` implements substr() as per the SPARQL 11 query definition.
`E_StrSubstring`	`substr(Object src, Object loc, Object len)` implements substr() as per the SPARQL 11 query definition.
`E_Subtract`	`subtract(Object expr1, Object expr2)` implements subtraction as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
`E_DateTimeTimezone`	`timezone(Object expr)` implements timezone() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-timezone Converts expr to an Expr object via expr()
`E_DateTimeTZ`	`tz(Object expr)` implements tz() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-tz Converts expr to an Expr object via expr()
`E_StrUpperCase`	`ucase(Object expr)` implements ucase() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-ucase Converts expr to an Expr object via expr()
`E_UUID`	`uuid()` implements uuid() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-uuid
`E_Version`	`version()` Returns the current ARQ name and version number as a string.
`E_DateTimeYear`	`year(Object expr)` implements year() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-year Converts expr to an Expr object via expr()

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExprFactory
```
public ExprFactory(PrefixMapping pMap)
```
    Constructs an expression factor with the specified prefix definitions.
    
    Parameters:
    
    pMap - the PrefixMapping to use in the expressions.
  - ExprFactory
```
public ExprFactory()
```
    Constructs an expression factory with the prefix definitions found in PrefixMapping.Extended
    
    See Also:
    
    PrefixMapping.Extended
- Method Detail
  - rand
```
public final E_Random rand()
```
    implements rand() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-rand
    
    Returns:
    
    E_Random instance
    
    See Also:
    
    E_Random
  - struuid
```
public final E_StrUUID struuid()
```
    implements struuid() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-struuid
    
    Returns:
    
    E_StrUUID instance
    
    See Also:
    
    E_StrUUID
  - uuid
```
public final E_UUID uuid()
```
    implements uuid() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-uuid
    
    Returns:
    
    E_UUID instance
    
    See Also:
    
    E_UUID
  - version
```
public final E_Version version()
```
    Returns the current ARQ name and version number as a string.
    
    Returns:
    
    E_Version instance
    
    See Also:
    
    E_Version
  - now
```
public final E_Now now()
```
    implements now() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-now
    
    Returns:
    
    E_Now instance
    
    See Also:
    
    E_Now
  - bound
```
public final E_Bound bound(Object expr)
```
    implements bound() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-bound Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_Bound instance
    
    See Also:
    
    asExpr(Object), E_Bound
  - datatype
```
public final E_Datatype datatype(Object expr)
```
    implements datatype() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-datatype Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_Datatype instance
    
    See Also:
    
    asExpr(Object), E_Datatype
  - day
```
public final E_DateTimeDay day(Object expr)
```
    implements day() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-day Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_Datatype instance
    
    See Also:
    
    asExpr(Object)
  - hours
```
public final E_DateTimeHours hours(Object expr)
```
    implements hours() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-hours Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_DateTimeHours instance
    
    See Also:
    
    asExpr(Object), E_DateTimeHours
  - minutes
```
public final E_DateTimeMinutes minutes(Object expr)
```
    implements minutes() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-minutes Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_DateTimeMinutes instance
    
    See Also:
    
    asExpr(Object), E_DateTimeMinutes
  - month
```
public final E_DateTimeMonth month(Object expr)
```
    implements month() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-month Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_DateTimeMonth instance
    
    See Also:
    
    asExpr(Object), E_DateTimeMonth
  - seconds
```
public final E_DateTimeSeconds seconds(Object expr)
```
    implements seconds() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-seconds Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_DateTimeSeconds instance
    
    See Also:
    
    asExpr(Object), E_DateTimeSeconds
  - timezone
```
public final E_DateTimeTimezone timezone(Object expr)
```
    implements timezone() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-timezone Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_DateTypeTimezone instance
    
    See Also:
    
    asExpr(Object), E_DateTimeTimezone
  - tz
```
public final E_DateTimeTZ tz(Object expr)
```
    implements tz() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-tz Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_DateTimeTZ instance
    
    See Also:
    
    asExpr(Object), E_DateTimeTZ
  - year
```
public final E_DateTimeYear year(Object expr)
```
    implements year() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-year Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_DateTimeYear instance
    
    See Also:
    
    asExpr(Object), E_DateTimeYear
  - iri
```
public final E_IRI iri(Object expr)
```
    implements iri() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-iri Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_IRI instance
    
    See Also:
    
    asExpr(Object), E_IRI
  - isBlank
```
public final E_IsBlank isBlank(Object expr)
```
    implements isBlank() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-isBlank Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_isBlank instance
    
    See Also:
    
    asExpr(Object), E_IsBlank
  - isIRI
```
public final E_IsIRI isIRI(Object expr)
```
    implements isIRI() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-isIRI Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_IsIRI instance
    
    See Also:
    
    asExpr(Object), E_IsIRI
  - isLiteral
```
public final E_IsLiteral isLiteral(Object expr)
```
    implements isLiteral() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-isLiteral Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_IsLiteral instance
    
    See Also:
    
    asExpr(Object), E_IsLiteral
  - isNumeric
```
public final E_IsNumeric isNumeric(Object expr)
```
    implements isNumeric() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-isNumeric Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_IsNumeric instance
    
    See Also:
    
    asExpr(Object), E_IsNumeric
  - lang
```
public final E_Lang lang(Object expr)
```
    implements lang() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-lang Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_Lang instance
    
    See Also:
    
    asExpr(Object), E_Lang
  - not
```
public final E_LogicalNot not(Object expr)
```
    implements not() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-not Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_LogicalNot instance
    
    See Also:
    
    asExpr(Object), E_LogicalNot
  - abs
```
public final E_NumAbs abs(Object expr)
```
    implements abs() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-abs Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_NumAbs instance
    
    See Also:
    
    asExpr(Object), E_NumAbs
  - ceil
```
public final E_NumCeiling ceil(Object expr)
```
    implements ceil() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-ceil Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_NumCeiling instance
    
    See Also:
    
    asExpr(Object), E_NumCeiling
  - floor
```
public final E_NumFloor floor(Object expr)
```
    implements floor() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-floor Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_NumFloor instance
    
    See Also:
    
    asExpr(Object), E_NumFloor
  - round
```
public final E_NumRound round(Object expr)
```
    implements round() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-round Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_Round instance
    
    See Also:
    
    asExpr(Object), E_NumRound
  - str
```
public final E_Str str(Object expr)
```
    implements str() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-str Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_Str instance
    
    See Also:
    
    asExpr(Object), E_Str
  - encode
```
public final E_StrEncodeForURI encode(Object expr)
```
    implements encode() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-encode Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_StrEncodedForURI instance
    
    See Also:
    
    asExpr(Object), E_StrEncodeForURI
  - strlen
```
public final E_StrLength strlen(Object expr)
```
    implements strlen() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strlen Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_StrLength instance
    
    See Also:
    
    asExpr(Object), E_StrLength
  - lcase
```
public final E_StrLowerCase lcase(Object expr)
```
    implements lcase() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-lcase Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_StrLowerCase instance
    
    See Also:
    
    asExpr(Object), E_StrLowerCase
  - ucase
```
public final E_StrUpperCase ucase(Object expr)
```
    implements ucase() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-ucase Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_StrUpperCase instance
    
    See Also:
    
    asExpr(Object), E_StrUpperCase
  - minus
```
public final E_UnaryMinus minus(Object expr)
```
    implements unary minus as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_UnaryMinus instance
    
    See Also:
    
    asExpr(Object), E_UnaryMinus
  - plus
```
public final E_UnaryPlus plus(Object expr)
```
    implements unary plus as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_UnaryPlus instance
    
    See Also:
    
    asExpr(Object), E_UnaryPlus
  - md5
```
public final E_MD5 md5(Object expr)
```
    implements md5() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-md5 Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_MD5 instance
    
    See Also:
    
    asExpr(Object), E_MD5
  - sha1
```
public final E_SHA1 sha1(Object expr)
```
    implements sha1() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha1 Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_SHA1 instance
    
    See Also:
    
    asExpr(Object), E_SHA1
  - sha224
```
public final E_SHA224 sha224(Object expr)
```
    implements sha224() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha224 Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_SHA224 instance
    
    See Also:
    
    asExpr(Object), E_SHA224
  - sha256
```
public final E_SHA256 sha256(Object expr)
```
    implements sha256() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha256 Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_SHA256 instance
    
    See Also:
    
    asExpr(Object), E_SHA256
  - sha384
```
public final E_SHA384 sha384(Object expr)
```
    implements sha384() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha384 Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_SHA384 instance
    
    See Also:
    
    asExpr(Object), E_SHA384
  - sha512
```
public final E_SHA512 sha512(Object expr)
```
    implements sha512() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sha512 Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression to check.
    
    Returns:
    
    E_SHA512 instance
    
    See Also:
    
    asExpr(Object), E_SHA512
  - add
```
public final E_Add add(Object expr1,
                       Object expr2)
```
    implements addition as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_Add instance
    
    See Also:
    
    asExpr(Object), E_Add
  - divide
```
public final E_Divide divide(Object expr1,
                             Object expr2)
```
    implements division as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_Devide instance
    
    See Also:
    
    asExpr(Object), E_Divide
  - eq
```
public final E_Equals eq(Object expr1,
                         Object expr2)
```
    implements equality as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_Equals instance
    
    See Also:
    
    asExpr(Object), E_Equals
  - gt
```
public final E_GreaterThan gt(Object expr1,
                              Object expr2)
```
    implements greater than as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_GreaterThan instance
    
    See Also:
    
    asExpr(Object), E_GreaterThan
  - ge
```
public final E_GreaterThanOrEqual ge(Object expr1,
                                     Object expr2)
```
    implements greater than or equal as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_GreaterThanOrEqual instance
    
    See Also:
    
    asExpr(Object), E_GreaterThanOrEqual
  - langMatches
```
public final E_LangMatches langMatches(Object expr1,
                                       Object expr2)
```
    implements langMatches() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-langMatches Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_LangMatches instance
    
    See Also:
    
    asExpr(Object), E_LangMatches
  - lt
```
public final E_LessThan lt(Object expr1,
                           Object expr2)
```
    implements less than as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_LessThan instance
    
    See Also:
    
    asExpr(Object), E_LessThan
  - le
```
public final E_LessThanOrEqual le(Object expr1,
                                  Object expr2)
```
    implements less than or equal as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_LessThanOrEqual instance
    
    See Also:
    
    asExpr(Object), E_LessThanOrEqual
  - and
```
public final E_LogicalAnd and(Object expr1,
                              Object expr2)
```
    implements logical and as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_LogicalAnd instance
    
    See Also:
    
    asExpr(Object), E_LogicalAnd
  - or
```
public final E_LogicalOr or(Object expr1,
                            Object expr2)
```
    implements logical or as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_LogicalOr instance
    
    See Also:
    
    asExpr(Object), E_LogicalOr
  - multiply
```
public final E_Multiply multiply(Object expr1,
                                 Object expr2)
```
    implements multiplication s per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_Multiply instance
    
    See Also:
    
    asExpr(Object), E_Multiply
  - ne
```
public final E_NotEquals ne(Object expr1,
                            Object expr2)
```
    implements not equals as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_NotEquals instance
    
    See Also:
    
    asExpr(Object), E_NotEquals
  - sameTerm
```
public final E_SameTerm sameTerm(Object expr1,
                                 Object expr2)
```
    implements sameTerm() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-sameTerm Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_SameTerm instance
    
    See Also:
    
    asExpr(Object), E_SameTerm
  - strafter
```
public final E_StrAfter strafter(Object expr1,
                                 Object expr2)
```
    implements strafter() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strafter Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_StrAfter instance
    
    See Also:
    
    asExpr(Object), E_StrAfter
  - strbefore
```
public final E_StrBefore strbefore(Object expr1,
                                   Object expr2)
```
    implements strbefore() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strbefore Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_StrBefore instance
    
    See Also:
    
    asExpr(Object), E_StrBefore
  - contains
```
public final E_StrContains contains(Object expr1,
                                    Object expr2)
```
    implements contains() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-contains Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_StrContains instance
    
    See Also:
    
    asExpr(Object), E_StrContains
  - strdt
```
public final E_StrDatatype strdt(Object expr1,
                                 Object expr2)
```
    implements strdt() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strdt Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_StrDatatype instance
    
    See Also:
    
    asExpr(Object), E_StrDatatype
  - strends
```
public final E_StrEndsWith strends(Object expr1,
                                   Object expr2)
```
    implements strends() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strends Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_StrEndsWith instance
    
    See Also:
    
    asExpr(Object), E_StrEndsWith
  - strlang
```
public final E_StrLang strlang(Object expr1,
                               Object expr2)
```
    implements strlang() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strlang Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_StrLang instance
    
    See Also:
    
    asExpr(Object), E_StrLang
  - strstarts
```
public final E_StrStartsWith strstarts(Object expr1,
                                       Object expr2)
```
    implements strstarts() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-strstarts Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_StrStartsWith instance
    
    See Also:
    
    asExpr(Object), E_StrStartsWith
  - subtract
```
public final E_Subtract subtract(Object expr1,
                                 Object expr2)
```
    implements subtraction as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#OperatorMapping Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the first expression.
    
    expr2 - the second expression.
    
    Returns:
    
    E_Subtract instance
    
    See Also:
    
    asExpr(Object), E_Subtract
  - cond
```
public final E_Conditional cond(Expr condition,
                                Expr thenExpr,
                                Expr elseExpr)
```
    implements if() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-if Converts expr to an Expr object via expr()
    
    Parameters:
    
    condition - the condition to check.
    
    thenExpr - the expression to execute if condition is true.
    
    elseExpr - the expression to execute if condition is false.
    
    Returns:
    
    an E_Conditional instance.
    
    See Also:
    
    asExpr(Object), E_Conditional
  - bnode
```
public final E_BNode bnode(Object expr1)
```
    implements bnode() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-bnode Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr1 - the blank node id.
    
    Returns:
    
    an E_BNode instance
    
    See Also:
    
    asExpr(Object), E_BNode
  - bnode
```
public final E_BNode bnode()
```
    implements bnode() as per SPARQL 1.1 spec https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-bnode
    
    Returns:
    
    an E_BNode instance.
    
    See Also:
    
    E_Random
  - call
```
public final E_FunctionDynamic call(Object function,
                                    ExprList args)
```
    Creates a dynamic function call. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#rFunctionCall Converts function to an Expr object via expr()
    
    Parameters:
    
    function - The function to execute
    
    args - the arguments to the function.
    
    Returns:
    
    an E_FunctionDynamic instance.
    
    See Also:
    
    asExpr(Object), E_FunctionDynamic
  - call
```
public final E_FunctionDynamic call(Object function,
                                    Object... args)
```
    Creates a dynamic function call. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#rFunctionCall Converts function to an Expr object via expr()
    
    Parameters:
    
    function - The function to execute
    
    args - the arguments to the function.
    
    Returns:
    
    an E_FunctionDynamic instance.
    
    See Also:
    
    asExpr(Object), E_FunctionDynamic
  - call
```
public final E_Call call(ExprList args)
```
    Creates a function call as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#rFunctionCall
    
    Parameters:
    
    args - the arguments to the function.
    
    Returns:
    
    an E_Call instance.
    
    See Also:
    
    The first argument is the function to call
  - coalesce
```
public final E_Coalesce coalesce(ExprList args)
```
    implements coalesce() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-coalesce
    
    Parameters:
    
    args - the arguments to the function.
    
    Returns:
    
    an E_Coalesce instance.
    
    See Also:
    
    E_Coalesce
  - coalesce
```
public final E_Coalesce coalesce(Object... args)
```
    implements coalesce() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-coalesce
    
    Parameters:
    
    args - the arguments to the function.
    
    Returns:
    
    an E_Coalesce instance.
    
    See Also:
    
    E_Coalesce
  - function
```
public final E_Function function(String name,
                                 ExprList args)
```
    Creates a function call as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#rFunctionCall
    
    Parameters:
    
    name - the name of the function.
    
    args - the arguments to the function.
    
    Returns:
    
    an E_Function instance.
    
    See Also:
    
    E_Function
  - notin
```
public final E_NotOneOf notin(Object expr,
                              ExprList list)
```
    implements "not in" as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-not-in Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression that is not in the list
    
    list - the list of expressions.
    
    Returns:
    
    an E_NotOneOf instance.
    
    See Also:
    
    asExpr(Object), E_NotOneOf
  - notin
```
public final E_NotOneOf notin(Object expr,
                              Object... list)
```
    implements "not in" as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-not-in Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression that is not in the list
    
    list - the list of expressions.
    
    Returns:
    
    an E_NotOneOf instance.
    
    See Also:
    
    asExpr(Object), E_NotOneOf
  - in
```
public final E_OneOf in(Object expr,
                        ExprList list)
```
    implements "in" as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-in Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression that is not in the list
    
    list - the list of expressions.
    
    Returns:
    
    an E_OneOf instance.
    
    See Also:
    
    asExpr(Object), E_OneOf
  - in
```
public final E_OneOf in(Object expr,
                        Object... list)
```
    implements "in" as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-in Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - the expression that is not in the list
    
    list - the list of expressions.
    
    Returns:
    
    an E_OneOf instance.
    
    See Also:
    
    asExpr(Object), E_OneOf
  - regex
```
public final E_Regex regex(Object expr,
                           Object pattern,
                           Object flags)
```
    implements regex() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-regex Converts objects to an Expr objects via expr()
    
    Parameters:
    
    expr - string to match.
    
    pattern - the pattern to match
    
    flags - the regex flags
    
    Returns:
    
    an E_Regex instance.
    
    See Also:
    
    asExpr(Object), E_Regex
  - regex
```
public final E_Regex regex(Object expr,
                           String pattern,
                           String flags)
```
    implements regex() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-regex Converts expr to an Expr object via expr()
    
    Parameters:
    
    expr - string to match.
    
    pattern - the pattern to match
    
    flags - the regex flags
    
    Returns:
    
    an E_Regex instance.
    
    See Also:
    
    asExpr(Object), E_Regex
  - concat
```
public final E_StrConcat concat(ExprList list)
```
    implements concat() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-concat
    
    Parameters:
    
    list - the list of arguments to concatenate
    
    Returns:
    
    an E_StrConcat instance
    
    See Also:
    
    E_StrConcat
  - concat
```
public final E_StrConcat concat(Object... list)
```
    implements concat() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-concat
    
    Parameters:
    
    list - the list of arguments to concatenate
    
    Returns:
    
    an E_StrConcat instance
    
    See Also:
    
    E_StrConcat
  - replace
```
public final E_StrReplace replace(Object arg,
                                  Object pattern,
                                  Object replacement,
                                  Object flags)
```
    implements replace() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-replace Converts Objects to an Expr objects via expr()
    
    Parameters:
    
    arg - the string literal to replace
    
    pattern - the pattern to replace in the string literal.
    
    replacement - the string literal to replace the pattern with.
    
    Returns:
    
    an E_StrReplace instance
    
    See Also:
    
    asExpr(Object), E_StrReplace
  - replace
```
public final E_StrReplace replace(Object arg,
                                  Object pattern,
                                  Object replacement)
```
    implements replace() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-replace Converts Objects to an Expr objects via expr()
    
    Parameters:
    
    arg - the string literal to replace
    
    pattern - the pattern to replace in the string literal.
    
    replacement - the string literal to replace the pattern with.
    
    Returns:
    
    an E_StrReplace instance
    
    See Also:
    
    asExpr(Object), E_StrReplace
  - substr
```
public final E_StrSubstring substr(Object src,
                                   Object loc,
                                   Object len)
```
    implements substr() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-substr Converts Objects to an Expr objects via expr()
    
    Parameters:
    
    src - the expression to extract the substring from.
    
    loc - the location within the expression string to start
    
    len - the length of the string to extract.
    
    Returns:
    
    an E_Substring instance.
    
    See Also:
    
    asExpr(Object), E_StrSubstring
  - substr
```
public final E_StrSubstring substr(Object src,
                                   Object loc)
```
    implements substr() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-substr Converts Objects to an Expr objects via expr()
    
    Parameters:
    
    src - the expression to extract the substring from.
    
    loc - the location within the expression string to start
    
    Returns:
    
    an E_Substring instance.
    
    See Also:
    
    asExpr(Object), E_StrSubstring
  - exists
```
public final E_Exists exists(WhereClause<?> whereClause)
```
    implements exists() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-filter-exists
    
    Parameters:
    
    whereClause - A WhereClause to check existence of.
    
    Returns:
    
    an E_Exists instance,
    
    See Also:
    
    E_Exists
  - notexists
```
public final E_NotExists notexists(WhereClause<?> whereClause)
```
    implements not exists() as per the SPARQL 11 query definition. https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#func-filter-exists
    
    Parameters:
    
    whereClause - the argument to the function.
    
    Returns:
    
    an E_NotExists instance.
    
    See Also:
    
    E_NotExists
  - none
```
public final ExprNone none()
```
    Should probably be called "null" but that is a reserved work. An expression that can be used in place of null.
    
    Returns:
    
    an ExprNone instance
    
    See Also:
    
    ExprNone
  - asVar
```
public final ExprVar asVar(Object o)
```
    Converts the object to a ExprVar.
    - If the object is an ExprVar return it
    - Will return null if the object is "*" or Node_RuleVariable.WILD
    - otherwise create an ExprVar from {AbstractQuerybuilder.makeVar}
    Parameters:
    
    o - the object to convert.
    
    Returns:
    
    an ExprVar
    
    See Also:
    
    Converters.makeVar(Object)
  - asList
```
public final ExprList asList(Object... args)
```
    Not really an Expr but a container of exprs.
    
    Parameters:
    
    args - the list of expressons.
    
    Returns:
    
    the expression list.
  - list
```
public final ExprList list()
```
    Not really an Expr but a container of exprs. creates an empty list.
    
    Returns:
    
    the empty expression list.
  - asExpr
```
public final Expr asExpr(Object o)
```
    Convert the object into an expression using the query's PrefixMapping
    
    Parameters:
    
    o - the object to convert.
    
    Returns:
    
    the Expr.
  - quote
```
@Deprecated
public final String quote(String s)
```
    Deprecated. use Converters.quoted(String)
    
    Convenience method to call AbstractQueryBuilder.quote
    
    Parameters:
    
    s - the string to quote
    
    Returns:
    
    the quotes string.
    
    See Also:
    
    Converters.quoted(String)
  - asExpr
```
public static final Expr asExpr(Object o,
                                PrefixMapping pMap)
```
    Create an expression from an object. this method does not parse strings to expressions. to parse strings to expressions see {AbstractQueryBuilder.makeExpr}
    - If the object is null returns none()
    - If the object is an expression return it
    - If the object fronts a node and is not a var make a NodeVar
    - otherwise calls var()
    Parameters:
    
    o - the object to create the expression from
    
    Returns:
    
    Expr
    
    See Also:
    
    asVar(Object), Converters.makeVar(Object)

Class ExprFactory

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ExprFactory

ExprFactory

Method Detail

rand

struuid

uuid

version

now

bound

datatype

day

hours

minutes

month

seconds

timezone

tz

year

iri

isBlank

isIRI

isLiteral

isNumeric

lang

not

abs

ceil

floor

round

str

encode

strlen

lcase

ucase

minus

plus

md5

sha1

sha224

sha256

sha384

sha512

add

divide

eq

gt

ge

langMatches

lt

le

and

or

multiply

ne

sameTerm

strafter

strbefore

contains

strdt

strends

strlang

strstarts

subtract

cond

bnode

bnode

call

call

call

coalesce

coalesce

function

notin

notin

in