org.aksw.sparqlify.algebra.sql.exprs2

Class SqlExprBase

java.lang.Object

org.aksw.sparqlify.algebra.sql.exprs2.SqlExprBase

All Implemented Interfaces:

SqlExpr

Direct Known Subclasses:

S_Jena, SqlExpr0, SqlExprFunctionBase

public abstract class SqlExprBase
extends Object
implements SqlExpr

Field Summary

Fields

Modifier and Type	Field and Description
protected TypeToken	datatype

Constructor Summary

Constructors

Constructor and Description
SqlExprBase(TypeToken datatype)

Method Summary

Methods

Modifier and Type	Method and Description
static void	_getColumnsMentioned(Set<SqlExprColumn> result, SqlExpr expr)
SqlExprConstant	asConstant()
SqlExprFunction	asFunction()
SqlExprVar	asVariable()
boolean	equals(Object obj)
static Set<SqlExprColumn>	getColumnsMentioned(SqlExpr expr)
TypeToken	getDatatype()
int	hashCode()
boolean	isConstant()
boolean	isFunction()
boolean	isVariable()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.aksw.sparqlify.algebra.sql.exprs2.SqlExpr

accept, asString, getArgs, getType

Field Detail

datatype

protected final TypeToken datatype

Constructor Detail

SqlExprBase

public SqlExprBase(TypeToken datatype)

Method Detail

isVariable

public boolean isVariable()

Specified by:

isVariable in interface SqlExpr

isFunction

public boolean isFunction()

Specified by:

isFunction in interface SqlExpr

asFunction

public SqlExprFunction asFunction()

Specified by:

asFunction in interface SqlExpr

asConstant

public SqlExprConstant asConstant()

Specified by:

asConstant in interface SqlExpr

asVariable

public SqlExprVar asVariable()

Specified by:

asVariable in interface SqlExpr

isConstant

public boolean isConstant()

Specified by:

isConstant in interface SqlExpr

getDatatype

public TypeToken getDatatype()

Specified by:

getDatatype in interface SqlExpr

toString

public String toString()

Overrides:

toString in class Object

getColumnsMentioned

public static Set<SqlExprColumn> getColumnsMentioned(SqlExpr expr)

_getColumnsMentioned

public static void _getColumnsMentioned(Set<SqlExprColumn> result,
                        SqlExpr expr)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object