Package oracle.rules.sdk2.decisionpoint

Class MetadataHelper

java.lang.Object

oracle.rules.sdk2.decisionpoint.MetadataHelper

public final class MetadataHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	MetadataHelper.DFParm	DFParm is a struct representing parameter options for decision functions.

Method Summary

Modifier and Type	Method	Description
static void	addDecisionFunctionChild(DecisionFunction parent, DecisionFunction child)	Appends a child DecisionFunction to the current DecisionFunction Both DecisionFunction instances must reside in the same dictionary.
static void	addDecisionFunctionInput(DecisionFunction df, MetadataHelper.DFParm parm)	Appends an input parameter to a decision function's input table
static void	addDecisionFunctionOutput(DecisionFunction df, MetadataHelper.DFParm parm)	Appends an output parameter to a decision function's output table
static void	addDecisionFunctionRuleSet(DecisionFunction df, String alias)	Appends a RuleSet name to a decision function's ruleset table.
static DecisionFunction	createDecisionFunction(RuleDictionary rd, String dfName, String ftName, boolean isWebService, boolean isPAStyle)	Creates a new Decision Function, overwriting any previously existing instance.
static RuleDictionary	createDictionary(String name)	Create a new empty RuleDictionary with a new empty data model.
static RuleDictionary	createDictionary(String name, DictionaryFinder finder)	Create a new empty RuleDictionary with a new empty data model.
static DictionaryLink	createDictionaryLink(RuleDictionary rd, String dictPackage, String dictName)
static void	ensureRuleSetIsDefined(RuleDictionary rd, String name)	If a RuleSet by the given name is not already in the dictionary instance, this method adds it.
static UndoableEdit	importAdfBcFactType(RuleDictionary rd, String viewDefName)	Creates a new ADF-BC fact type based on a given View Definition
static UndoableEdit	importAdfBcFactTypes(RuleDictionary rd, List<String> viewDefNames)	Creates new ADF-BC fact types based on the given View Definitions
static UndoableEdit	importJavaFactTypes(RuleDictionary rd, List<String> javaTypeNames)	Adds new fact types to the dictionary based on Java classes
static RuleDictionary	loadDictionary(File file)	Loads a dictionary from the specified File using UTF-8 decoding.
static RuleDictionary	loadDictionary(File file, DictionaryFinder finder)	Loads a dictionary from the specified File using UTF-8 decoding.
static RuleDictionary	loadOrCreateDictionary(String fileName)	Loads a dictionary from file path parameter if it exists, or creates a new RuleDictionary with the un-suffixed name of the file, but does not write it to the disk (e.g., the path "/scratch/Foo.rules" will create a a dictionary with the name "Foo".
static RuleDictionary	loadOrCreateDictionary(String fileName, DictionaryFinder finder)	Loads a dictionary from file path parameter if it exists, or creates a new RuleDictionary with the un-suffixed name of the file, but does not write it to the disk (e.g., the path "/scratch/Foo.rules" will create a a dictionary with the name "Foo".
static RuleDictionary	readDictionary(InputStream is)	Deprecated.
static RuleDictionary	readDictionary(String pkg, String name)
static RuleDictionary	readDictionary(String pkg, String name, ClassLoader loader)	Loads a named dictionary using the specified classloader This loads the dictinoary from the configured MDS repository and finds the DecisionPointDictionary on the classpath from the file rulesdk2.jar
static void	removeDecisionFunction(RuleDictionary rd, String name, boolean removeSubordinates)	removes a decision function from the dictionary
static void	removeRuleset(RuleDictionary rd, String name)	removes a named ruleset from the dictionary
static List<SDKWarning>	writeDictionary(String fileName, RuleDictionary rd)	Deprecated.
static List<SDKWarning>	writeDictionary(RuleDictionary rd, File file)	Writes a RuleDictionary to the specified File using UTF-8 encoding.

Methods inherited from class java.lang.Object

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

Method Details

readDictionary

public static RuleDictionary readDictionary(String pkg,
 String name,
 ClassLoader loader)
                                     throws SDKException

Loads a named dictionary using the specified classloader This loads the dictinoary from the configured MDS repository and finds the DecisionPointDictionary on the classpath from the file rulesdk2.jar

Parameters:

pkg - the fully qualified package com.mycompany.rules

name - the name of the dictionary (without prefix) e.g. MyDictionary

loader - the classloader instance to be used to load the dictionary

Returns:

the dictionary or null if the name is null.

Throws:

SDKException - if the dictionary can not be read

readDictionary

public static RuleDictionary readDictionary(String pkg,
 String name)
                                     throws SDKException

Throws:

SDKException

addDecisionFunctionInput

public static void addDecisionFunctionInput(DecisionFunction df,
 MetadataHelper.DFParm parm)
                                     throws SDKException

Appends an input parameter to a decision function's input table

Parameters:

df - a DecisionFunction instance

parm - the parameter description to be added

Throws:

SDKException

addDecisionFunctionOutput

public static void addDecisionFunctionOutput(DecisionFunction df,
 MetadataHelper.DFParm parm)
                                      throws SDKException

Appends an output parameter to a decision function's output table

Parameters:

df - a DecisionFunction instance

parm - the parameter description to be added

Throws:

SDKException

addDecisionFunctionRuleSet

public static void addDecisionFunctionRuleSet(DecisionFunction df,
 String alias)

Appends a RuleSet name to a decision function's ruleset table. The RuleSet must be defined in this dictionary or a linked dictionary

Parameters:

df - the decision function to be modified

alias - the alias of the RuleSet to be included

addDecisionFunctionChild

public static void addDecisionFunctionChild(DecisionFunction parent,
 DecisionFunction child)

Appends a child DecisionFunction to the current DecisionFunction Both DecisionFunction instances must reside in the same dictionary.

ensureRuleSetIsDefined

public static void ensureRuleSetIsDefined(RuleDictionary rd,
 String name)

If a RuleSet by the given name is not already in the dictionary instance, this method adds it. If the RuleSet already exists, it is not affected.

writeDictionary

public static List<SDKWarning> writeDictionary(RuleDictionary rd,
 File file)
                                        throws SDKException,
IOException

Writes a RuleDictionary to the specified File using UTF-8 encoding.

Parameters:

rd - the dictionary to write

file - the File to write to

Returns:

warnings from validating the dictionary

Throws:

IOException - if there is an problem writing to the file

SDKException - if there is an problem updating the dictionary

See Also:

• writeDictionary(RuleDictionary, File)

loadDictionary

public static RuleDictionary loadDictionary(File file)
                                     throws SDKException,
IOException

Loads a dictionary from the specified File using UTF-8 decoding. Includes DecisionPointDictionaryFinder in finder chain

Parameters:

file - the file to load

Returns:

the dictionary instance

Throws:

SDKException

IOException

loadDictionary

public static RuleDictionary loadDictionary(File file,
 DictionaryFinder finder)
                                     throws SDKException,
IOException

Loads a dictionary from the specified File using UTF-8 decoding.

Parameters:

file - the file to load

finder - the finder to use.

Returns:

the dictionary instance

Throws:

SDKException

IOException

createDictionary

public static RuleDictionary createDictionary(String name)
                                       throws SDKException,
IOException

Create a new empty RuleDictionary with a new empty data model.

Parameters:

name - the name of the dictionary

Returns:

a dictionary instance

Throws:

SDKException

IOException

createDictionary

public static RuleDictionary createDictionary(String name,
 DictionaryFinder finder)
                                       throws SDKException,
IOException

Create a new empty RuleDictionary with a new empty data model.

Parameters:

name - the name of the dictionary

finder - the finder to use when the RuleDictionary is created

Returns:

a dictionary instance

Throws:

SDKException

IOException

loadOrCreateDictionary

public static RuleDictionary loadOrCreateDictionary(String fileName)
                                             throws SDKException,
IOException

Loads a dictionary from file path parameter if it exists, or creates a new RuleDictionary with the un-suffixed name of the file, but does not write it to the disk (e.g., the path "/scratch/Foo.rules" will create a a dictionary with the name "Foo".

The dictionary so created is automatically linked to the base DecisionPoint dictionary.

Parameters:

fileName - the fully qualified path name to the file, e.g., /scratch/Foo.rules

Returns:

a dictionary instance

Throws:

SDKException

IOException

loadOrCreateDictionary

public static RuleDictionary loadOrCreateDictionary(String fileName,
 DictionaryFinder finder)
                                             throws SDKException,
IOException

Loads a dictionary from file path parameter if it exists, or creates a new RuleDictionary with the un-suffixed name of the file, but does not write it to the disk (e.g., the path "/scratch/Foo.rules" will create a a dictionary with the name "Foo".

The dictionary so created is automatically linked to the base DecisionPoint dictionary.

Parameters:

fileName - the fully qualified path name to the file, e.g., /scratch/Foo.rules

finder - a finder to add to the chain

Returns:

a dictionary instance

Throws:

SDKException

IOException

importAdfBcFactType

public static UndoableEdit importAdfBcFactType(RuleDictionary rd,
 String viewDefName)
                                        throws SDKException

Creates a new ADF-BC fact type based on a given View Definition

Parameters:

rd - dictionary in which to add the fact types

viewDefName - this must be the fully qualified name of the ViewDefinition object (not the 'impl class)

Throws:

SDKException

importAdfBcFactTypes

public static UndoableEdit importAdfBcFactTypes(RuleDictionary rd,
 List<String> viewDefNames)
                                         throws SDKException

Creates new ADF-BC fact types based on the given View Definitions

Parameters:

rd - dictionary in which to add the fact types

viewDefNames - these must be the fully qualified name of the View Definition objects (not their 'impl classes)

Throws:

SDKException

importJavaFactTypes

public static UndoableEdit importJavaFactTypes(RuleDictionary rd,
 List<String> javaTypeNames)
                                        throws SDKException

Adds new fact types to the dictionary based on Java classes

Throws:

SDKException

createDecisionFunction

public static DecisionFunction createDecisionFunction(RuleDictionary rd,
 String dfName,
 String ftName,
 boolean isWebService,
 boolean isPAStyle)
                                               throws SDKException

Creates a new Decision Function, overwriting any previously existing instance. It is assumed that the DF has a single input fact tree.

Parameters:

dfName - the decision function's name

ftName - the root input fact type's name

isWebService - whether a web-service wrapper should be created

isPAStyle - whether to create this Decision Function with PA processing configured (yes for ADF-BC DecisionPoints)

Throws:

SDKException

removeDecisionFunction

public static void removeDecisionFunction(RuleDictionary rd,
 String name,
 boolean removeSubordinates)

removes a decision function from the dictionary

Parameters:

removeSubordinates - -- if set, removes any decision functions used by the named decision function

removeRuleset

public static void removeRuleset(RuleDictionary rd,
 String name)
                          throws DeleteException

removes a named ruleset from the dictionary

Throws:

DeleteException

createDictionaryLink

public static DictionaryLink createDictionaryLink(RuleDictionary rd,
 String dictPackage,
 String dictName)

writeDictionary

@Deprecated
public static List<SDKWarning> writeDictionary(String fileName,
 RuleDictionary rd)
                                        throws SDKException,
IOException

Deprecated.

Writes a RuleDictionary to disk at the specified location.

Returns:

warnings from validating the dictionary

Throws:

IOException - if there is an problem writing to the file

SDKException - if there is an problem updating the dictionary

See Also:

• writeDictionary(RuleDictionary, File)

readDictionary

@Deprecated
public static RuleDictionary readDictionary(InputStream is)
                                     throws SDKException,
IOException

Deprecated.

Throws:

SDKException

IOException