org.da.sparqlhelper.sparql.model

Class SelectItem

java.lang.Object

org.da.sparqlhelper.sparql.model.SelectItem

Direct Known Subclasses:

SelectExpression, SelectVariable

public abstract class SelectItem
extends java.lang.Object

Represent a SELECT item.

Since:

0.1

Field Summary

Fields

Modifier and Type	Field and Description
protected Variable	var The associated variable.

Constructor Summary

Constructors

Constructor and Description
SelectItem()
SelectItem(java.lang.String varName)
SelectItem(Variable var)

Method Summary

Modifier and Type	Method and Description
abstract java.lang.String	asExpression(java.lang.String schema) Return the item expression as a String.
boolean	equals(java.lang.Object obj)
Variable	getVariable() Return the item associated variable.
java.lang.String	getVariableName() Return the item associated variable name.
int	hashCode()
boolean	hasVariable() Return true if there is an item associated variable.
Variable	setVariable(java.lang.String varName) Set the item associated variable.
void	setVariable(Variable var) Set the item associated variable.

Methods inherited from class java.lang.Object

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

Field Detail

var

protected Variable var

The associated variable.

Constructor Detail

SelectItem

public SelectItem(Variable var)

SelectItem

public SelectItem(java.lang.String varName)

SelectItem

public SelectItem()

Method Detail

setVariable

public void setVariable(Variable var)

Set the item associated variable.

Parameters:

var - the variable

setVariable

public Variable setVariable(java.lang.String varName)

Set the item associated variable.

Parameters:

varName - the variable name

Returns:

the variable

getVariable

public Variable getVariable()

Return the item associated variable.

Returns:

the variable

getVariableName

public java.lang.String getVariableName()

Return the item associated variable name.

Returns:

the variable

hasVariable

public boolean hasVariable()

Return true if there is an item associated variable.

Returns:

true if there is an item associated variable

asExpression

public abstract java.lang.String asExpression(java.lang.String schema)

Return the item expression as a String.

Parameters:

schema - the schema

Returns:

the item expression as a String

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object