ch.elca.dependency.graph
Class Aggregator

java.lang.Object
  |
  +--ch.elca.dependency.graph.AbstractGraphProcessor
        |
        +--ch.elca.dependency.graph.Aggregator

All Implemented Interfaces:

GraphProcessor

public class Aggregator

extends AbstractGraphProcessor

This class is responsible for aggregating nodes in a graph accordingly to a regexp.

Version:

1.0-beta

Author:

Pawel Kowalski

Field Summary

protected boolean	m_noRegexp A flag, telling whether the specified regular expression could be successfully used for building a RE Program.
protected java.util.regex.Pattern	m_regexp A precompiled regexp matcher.
protected java.lang.String	m_regexpString A regexp String associated with this Aggregator.

Fields inherited from class ch.elca.dependency.graph.AbstractGraphProcessor

m_name

Constructor Summary

Aggregator()
Creates a new Aggregator instance.

Aggregator(java.lang.String name, java.lang.String regexpString)
Creates a new Aggregator with a name and a String used to be used for building a RE (regular expression program).

Method Summary

java.util.regex.Pattern	getPattern() Returns the Pattern (Regexp) used by this Aggregator.
java.lang.String	getRegexp() Get the regexp used to aggregate nodes.
Graph	process(Graph graph) Aggregate nodes accordingl to a regexp.
void	setRegexp(java.lang.String regexpString) Set a regular expression for aggregating nodes.

Methods inherited from class ch.elca.dependency.graph.AbstractGraphProcessor

getName, setName, toString

Methods inherited from class java.lang.Object

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

Field Detail

m_regexpString

protected java.lang.String m_regexpString

A regexp String associated with this Aggregator.

m_regexp

protected java.util.regex.Pattern m_regexp

A precompiled regexp matcher.

m_noRegexp

protected boolean m_noRegexp

A flag, telling whether the specified regular expression could be successfully used for building a RE Program.

Constructor Detail

Aggregator

public Aggregator()

Creates a new Aggregator instance.

Aggregator

public Aggregator(java.lang.String name,
                  java.lang.String regexpString)

Creates a new Aggregator with a name and a String used to be used for building a RE (regular expression program).

Parameters:

name - a String value

regexpString - a String value

Method Detail

setRegexp

public void setRegexp(java.lang.String regexpString)

Set a regular expression for aggregating nodes.

Parameters:

regexpString - a String value

getRegexp

public java.lang.String getRegexp()

Get the regexp used to aggregate nodes.

Returns:

a String value

getPattern

public java.util.regex.Pattern getPattern()

Returns the Pattern (Regexp) used by this Aggregator.

Returns:

a Pattern value

process

public Graph process(Graph graph)

Aggregate nodes accordingl to a regexp. The aggregate node will have the name associated with this class. This is an Implementation of the abstract method inherited from the AbstractGraphProcessor.

Parameters:

graph - a Graph value

Returns:

a Graph value

See Also:

GraphUtils.copy(Graph)