jBPM distribution 6.0.0-SNAPSHOT

org.jbpm.compiler.xml.processes
Class RuleFlowMigrator

java.lang.Object
  extended by org.jbpm.compiler.xml.processes.RuleFlowMigrator

public class RuleFlowMigrator
extends Object

Class the migrates drools version 4 .rfm and .rf ruleflow files to version 5 .rf and .rfm ruleflows.


Constructor Summary
RuleFlowMigrator()
           
 
Method Summary
static String convertReaderToString(Reader reader)
          Converts the contents of the given Reader into a string.
static void main(String[] args)
          Test application that reads a given source file containing a drools 4 .rf and writes it to another given file location as a drools 5 .rf file.
static boolean needToMigrateRF(String xml)
          Returns true if the given .rf (graphical) ruleflow xml is a version 4 ruleflow that needs to be migrated to version 5, and returns false otherwise.
static boolean needToMigrateRFM(String xml)
          Returns true if the given .rfm ruleflow xml is a version 4 ruleflow that needs to be migrated to version 5, and returns false otherwise.
static String portRFMToCurrentVersion(String xml)
          Returns a drools 5 version of a given drools 4 .rfm ruleflow in string format.
static String portRFToCurrentVersion(String xml)
          Returns a drools 5 version of a given drools 4 .rf (Graphical) ruleflow in string format.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

RuleFlowMigrator

public RuleFlowMigrator()
Method Detail

portRFToCurrentVersion

public static String portRFToCurrentVersion(String xml)
                                     throws Exception
Returns a drools 5 version of a given drools 4 .rf (Graphical) ruleflow in string format. Note that this method assumes the given ruleflow is a valid version 4 .rf ruleflow - this can be checked using the needToMigrateRF method.

Parameters:
xml - Drools 4 ruleflow (.rf) in xml format
Returns:
drools 5 version of a given drools 4 .rf (Graphical) ruleflow in string format.
Throws:
Exception

portRFMToCurrentVersion

public static String portRFMToCurrentVersion(String xml)
                                      throws Exception
Returns a drools 5 version of a given drools 4 .rfm ruleflow in string format. Note that this method assumes the given ruleflow is a valid version 4 .rfm ruleflow - this can be checked using the needToMigrateRFM method. The return version 5 xml can be used as a .rf (graphical) ruleflow, but its nodes do not contains positional data.

Parameters:
xml - Drools 4 ruleflow (.rfm) in xml format
Returns:
drools 5 version of a given drools 4 .rfm ruleflow in string format.
Throws:
Exception

needToMigrateRF

public static boolean needToMigrateRF(String xml)
                               throws Exception
Returns true if the given .rf (graphical) ruleflow xml is a version 4 ruleflow that needs to be migrated to version 5, and returns false otherwise.

Parameters:
xml - a .rf ruleflow in xml format
Returns:
true if the given .rf (graphical) ruleflow xml is a version 4 ruleflow that needs to be migrated to version 5, and returns false otherwise.
Throws:
Exception

needToMigrateRFM

public static boolean needToMigrateRFM(String xml)
                                throws Exception
Returns true if the given .rfm ruleflow xml is a version 4 ruleflow that needs to be migrated to version 5, and returns false otherwise.

Parameters:
xml - a .rfm ruleflow in xml format
Returns:
true if the given .rfm graphical ruleflow xml is a version 4 ruleflow that needs to be migrated to version 5, and returns false otherwise.
Throws:
Exception

convertReaderToString

public static String convertReaderToString(Reader reader)
                                    throws IOException
Converts the contents of the given Reader into a string. WARNING: the given string is not reset (as not all readers support reset). Consequently, anny further attempt to read from the given reader will return nothing, unless you reset the reader.

Parameters:
reader -
Returns:
he contents of the given Reader into a string.
Throws:
IOException

main

public static final void main(String[] args)
Test application that reads a given source file containing a drools 4 .rf and writes it to another given file location as a drools 5 .rf file.

Parameters:
args - an array whose first element is the source filename and the second element is the the destination filename to which the transformed ruleflow is written

jBPM distribution 6.0.0-SNAPSHOT

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