prajna.ontology.inference

Class SwrlReader

java.lang.Object

prajna.ontology.OwlLoader

prajna.ontology.inference.SwrlReader

All Implemented Interfaces:

FormatReader<Rule>

public class SwrlReader
extends OwlLoader
implements FormatReader<Rule>

Reader for reading SWRL rules. This class extends the OwlLoader class by adding support for reading SWRL rules.

Author:

Edward Swing

Constructor Summary

Constructors

Constructor and Description
SwrlReader()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	canRead() return whether this reader can read data
void	close() Close the reader.
java.lang.String	getFilters() Get the filters for this reader.
java.util.List<Rule>	getRules() Get the list of rules read by this reader
java.lang.String	getSource() Get the source for this reader.
boolean	hasMoreData() Return whether this reader has more data to be read
protected void	parseUnknownElement(org.w3c.dom.Element elem) Parse an element with an unknown tag.
java.util.List<Rule>	readData() Read the data for the rules.
void	setFilters(java.lang.String filters) Set the filters for this reader.
void	setSource(java.lang.String source) Set the source for this reader.

Methods inherited from class prajna.ontology.OwlLoader

getLoadedUrls, getOntology, isLoaded, loadData, loadData

Methods inherited from class java.lang.Object

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

Constructor Detail

SwrlReader

public SwrlReader()

Method Detail

canRead

public boolean canRead()

return whether this reader can read data

Specified by:

canRead in interface FormatReader<Rule>

Returns:

true if the URL for the reader has been defined, false otherwise

close

public void close()

Close the reader. This implementation does nothing

Specified by:

close in interface FormatReader<Rule>

getFilters

public java.lang.String getFilters()

Get the filters for this reader. Currently only returns null, as the setFilters method does nothing

Specified by:

getFilters in interface FormatReader<Rule>

Returns:

null

getRules

public java.util.List<Rule> getRules()

Get the list of rules read by this reader

Returns:

the list of rules

getSource

public java.lang.String getSource()

Get the source for this reader.

Specified by:

getSource in interface FormatReader<Rule>

Returns:

the URL being read

hasMoreData

public boolean hasMoreData()

Return whether this reader has more data to be read

Specified by:

hasMoreData in interface FormatReader<Rule>

Returns:

true if there is more data, false otherwise

parseUnknownElement

protected void parseUnknownElement(org.w3c.dom.Element elem)

Parse an element with an unknown tag. This implementation parses the ruleml elements that define the SWRL rules.

Overrides:

parseUnknownElement in class OwlLoader

Parameters:

elem - the element to parse

readData

public java.util.List<Rule> readData()

Read the data for the rules. This method parses the rule file if it has not already been read, and returns the list of rules read in.

Specified by:

readData in interface FormatReader<Rule>

Returns:

the list of rules

setFilters

public void setFilters(java.lang.String filters)

Set the filters for this reader. Ignored

Specified by:

setFilters in interface FormatReader<Rule>

Parameters:

filters - the set of filters

setSource

public void setSource(java.lang.String source)

Set the source for this reader. The source should be a file on the local file system or a URL.

Specified by:

setSource in interface FormatReader<Rule>

Parameters:

source - the source for the reader