org.openrdf.sesame.sailimpl.rdbms.rules
Class Component

java.lang.Object
  org.openrdf.sesame.sailimpl.rdbms.rules.Component

All Implemented Interfaces:

Comparable

public class Component

extends Object

implements Comparable

Description: Represents a component of a triple template used in a rule. It can be a resource URI, variable name or a regular expression.

Version:

1.0

Author:

Damyan Ognyanoff

Field Summary

static int	REGEXP
static int	URI
static int	VAR

Constructor Summary

Component(String value, int type)
The constructor

Method Summary

int	compareTo(Object obj)
boolean	equals(Object o)
int	getType() Returns the type of this component.
int	hashCode()
boolean	isRegExp() Returns true when this component has type REGEXP.
boolean	isUri() Returns true when this component has type URI.
boolean	isVar() Returns true when this component has type VAR or REGEXP.
void	setRegExpTemplate(String template, String escape)
String	value() Returns the value of this component.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

VAR

public static final int VAR

See Also:

Constant Field Values

URI

public static final int URI

See Also:

Constant Field Values

REGEXP

public static final int REGEXP

See Also:

Constant Field Values

Constructor Detail

Component

public Component(String value,
                 int type)

The constructor

Parameters:

value - of the component

type - - one of the URI, VAR or REGEXP constants

Method Detail

isVar

public boolean isVar()

Returns true when this component has type VAR or REGEXP.

isUri

public boolean isUri()

Returns true when this component has type URI.

isRegExp

public boolean isRegExp()

Returns true when this component has type REGEXP.

getType

public int getType()

Returns the type of this component.

Returns:

One of the values VAR, URI or REGEXP.

value

public String value()

Returns the value of this component.

compareTo

public int compareTo(Object obj)

Specified by:

compareTo in interface Comparable

equals

public boolean equals(Object o)

hashCode

public int hashCode()

setRegExpTemplate

public void setRegExpTemplate(String template,
                              String escape)