org.modeshape.sequencer.teiid.model
Class ModelObjectHandler

java.lang.Object
  org.modeshape.sequencer.teiid.model.ModelObjectHandler

Direct Known Subclasses:

CoreModelObjectHandler, DiagramModelObjectHandler, JdbcModelObjectHandler, RelationalModelObjectHandler, TransformationModelObjectHandler

public abstract class ModelObjectHandler
extends Object

Base implementation of a model object handler.

Field Summary

protected static Logger

LOGGER

Constructor Summary

ModelObjectHandler()

Method Summary

protected Node	addNode(Node parentNode, String nodeName, String xmiUuid, String primaryNodeType) If the element or name attribute URI is empty, the primary node type is used as the name.
protected Node	addNode(Node parentNode, XmiElement element, String nameAttributeUri, String primaryNodeType) If the element or name attribute URI is empty, the primary node type is used as the name.
protected void	addPropertyValue(Node node, String propertyName, String newValue)
protected void	addPropertyValue(Node node, String propertyName, Value newValue)
protected Sequencer.Context	getContext()
protected ModelExtensionDefinitionHelper	getMedHelper()
protected String	getQName(XmiPart xmiPart)
protected org.modeshape.sequencer.teiid.model.ModelReader	getReader()
protected ReferenceResolver	getResolver()
protected VdbModel	getVdbModel()
protected abstract void	process(XmiElement element, Node parentNode)
protected void	setBooleanProperty(Node node, String jcrPropertyName, String value) If the value is null or empty the property is not set.
protected void	setContext(Sequencer.Context context) This method should only be called by the framework loading model object handlers.
protected void	setProperty(Node node, String propertyName, String propertyValue) Sets the specified, single-valued, property only if the value is not null and not empty.
protected void	setReader(org.modeshape.sequencer.teiid.model.ModelReader reader) This method should only be called by the framework loading model object handlers.
protected void	setResolver(ReferenceResolver resolver) This method should only be called by the framework loading model object handlers.
protected void	setVdbModel(VdbModel vdbModel) This method should only be called by the framework loading model object handlers.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final Logger LOGGER

Constructor Detail

ModelObjectHandler

public ModelObjectHandler()

Method Detail

addNode

protected Node addNode(Node parentNode,
                       String nodeName,
                       String xmiUuid,
                       String primaryNodeType)
                throws Exception

If the element or name attribute URI is empty, the primary node type is used as the name.

Parameters:

parentNode - the parent node where the child node is being added (cannot be null)

nodeName - the name to use to create the child node (can be null)

xmiUuid - the value of the XMI UUID property (can be null or empty)

primaryNodeType - the primary node type to use when creating the new node (cannot be null or empty)

Returns:

the new node (never null)

Throws:

Exception - if there is a problem creating the node

addNode

protected Node addNode(Node parentNode,
                       XmiElement element,
                       String nameAttributeUri,
                       String primaryNodeType)
                throws Exception

If the element or name attribute URI is empty, the primary node type is used as the name.

Parameters:

parentNode - the parent node where the child node is being added (cannot be null)

element - the XMI element to use to create the child node (can be null)

nameAttributeUri - the URI of the name property (can be null or empty)

primaryNodeType - the primary node type to use when creating the new node (cannot be null or empty)

Returns:

the new node (never null)

Throws:

Exception - if there is a problem creating the node

addPropertyValue

protected void addPropertyValue(Node node,
                                String propertyName,
                                String newValue)
                         throws Exception

Parameters:

node - the node whose multi-valued property a value is being added to (cannot be null)

propertyName - the multi-valued property name (cannot be null or empty)

newValue - the value being added (cannot be null or empty)

Throws:

Exception - if there is a problem adding the property value

addPropertyValue

protected void addPropertyValue(Node node,
                                String propertyName,
                                Value newValue)
                         throws Exception

Parameters:

node - the node whose multi-valued property a value is being added to (cannot be null)

propertyName - the multi-valued property name (cannot be null or empty)

newValue - the value being added (cannot be null or empty)

Throws:

Exception - if there is a problem adding the property value

getContext

protected Sequencer.Context getContext()

Returns:

context the sequencer context (never null)

getMedHelper

protected ModelExtensionDefinitionHelper getMedHelper()

Returns:

the MED helper (never null)

getQName

protected String getQName(XmiPart xmiPart)

Parameters:

xmiPart - the XMI part whose qualified name is being requested (cannot be null)

Returns:

the qualified name obtained from the part (never null or empty)

getReader

protected org.modeshape.sequencer.teiid.model.ModelReader getReader()

Returns:

reader the model reader (never null)

getResolver

protected ReferenceResolver getResolver()

Returns:

the reference resolver (never null)

getVdbModel

protected VdbModel getVdbModel()

Returns:

vdbModel the VDB model (can be null if model did not come from a VDB)

process

protected abstract void process(XmiElement element,
                                Node parentNode)
                         throws Exception

Parameters:

element - the element being processed (cannot be null)

parentNode - the parent node to use if a node is created for the element (cannot be null)

Throws:

Exception - if there is a problem processing the XMI element

setBooleanProperty

protected void setBooleanProperty(Node node,
                                  String jcrPropertyName,
                                  String value)
                           throws Exception

If the value is null or empty the property is not set.

Parameters:

node - the node whose boolean property is being set (cannot be null)

value - the property value (can be null or empty)

jcrPropertyName - the JCR property name (cannot be null or empty)

Throws:

Exception - if there is a problem setting the property

setContext

protected void setContext(Sequencer.Context context)

This method should only be called by the framework loading model object handlers.

Parameters:

context - the sequencer context being set (never null)

setProperty

protected void setProperty(Node node,
                           String propertyName,
                           String propertyValue)
                    throws Exception

Sets the specified, single-valued, property only if the value is not null and not empty.

Parameters:

node - the node whose property is being set (cannot be null)

propertyName - the name of the property being set (cannot be null)

propertyValue - the proposed property value (can be null or empty)

Throws:

Exception - if there is a problem setting the property

setReader

protected void setReader(org.modeshape.sequencer.teiid.model.ModelReader reader)

This method should only be called by the framework loading model object handlers.

Parameters:

reader - the model reader being set (never null)

setResolver

protected void setResolver(ReferenceResolver resolver)

This method should only be called by the framework loading model object handlers.

Parameters:

resolver - the reference resolver used during sequencing (cannot be null)

setVdbModel

protected void setVdbModel(VdbModel vdbModel)

This method should only be called by the framework loading model object handlers.

Parameters:

vdbModel - the VDB model being sequenced (can be null if model is not from a VDB)