org.jbpm.workflow.core.impl
Class NodeImpl

java.lang.Object
  org.jbpm.workflow.core.impl.NodeImpl

All Implemented Interfaces:

Serializable, Node, Contextable, ContextResolver

Direct Known Subclasses:

CompositeNode.CompositeNodeEnd, CompositeNode.CompositeNodeStart, ExtendedNodeImpl, Join, Split

public abstract class NodeImpl
extends Object
implements Node, Serializable, ContextResolver

Default implementation of a node.

See Also:

Serialized Form

Field Summary

protected Map<ConnectionRef,Constraint>	constraints
protected static NodeImpl[]	EMPTY_NODE_ARRAY

Fields inherited from interface org.jbpm.workflow.core.Node

CONNECTION_DEFAULT_TYPE

Constructor Summary

NodeImpl()

Method Summary

void	addConstraint(ConnectionRef connectionRef, Constraint constraint)
void	addIncomingConnection(String type, Connection connection)
void	addOutgoingConnection(String type, Connection connection)
Constraint	getConstraint(Connection connection)
Map<ConnectionRef,Constraint>	getConstraints()
Context	getContext(String contextId)
List<Connection>	getDefaultIncomingConnections() Helper method for nodes that have multiple default incoming connections
List<Connection>	getDefaultOutgoingConnections() Helper method for nodes that have multiple default outgoing connections
Connection	getFrom() Helper method for nodes that have at most one default incoming connection
long	getId() The id of the node.
Map<String,List<Connection>>	getIncomingConnections() The incoming connections for this Node.
List<Connection>	getIncomingConnections(String type) The incoming connections for this Node for the given entry-point.
Map<String,Object>	getMetaData() Meta data associated with this Node.
Object	getMetaData(String name) Meta data associated with this Node.
String	getName() The name of the node
NodeContainer	getNodeContainer() The NodeContainer this Node lives in.
Map<String,List<Connection>>	getOutgoingConnections() The outgoing connections for this Node.
List<Connection>	getOutgoingConnections(String type) The outgoing connections for this Node for the given exit-point.
Connection	getTo() Helper method for nodes that have at most one default outgoing connection
String	getUniqueId()
Constraint	internalGetConstraint(ConnectionRef ref)
void	removeIncomingConnection(String type, Connection connection)
void	removeOutgoingConnection(String type, Connection connection)
Context	resolveContext(String contextId, Object param)
void	setConstraint(Connection connection, Constraint constraint)
void	setContext(String contextId, Context context)
void	setId(long id) Method for setting the id of the node
void	setMetaData(Map<String,Object> metaData)
void	setMetaData(String name, Object value)
void	setName(String name) Method for setting the name of the node
void	setNodeContainer(NodeContainer nodeContainer)
void	validateAddIncomingConnection(String type, Connection connection)
void	validateAddOutgoingConnection(String type, Connection connection)
void	validateRemoveIncomingConnection(String type, Connection connection)
void	validateRemoveOutgoingConnection(String type, Connection connection)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_NODE_ARRAY

protected static final NodeImpl[] EMPTY_NODE_ARRAY

constraints

protected Map<ConnectionRef,Constraint> constraints

Constructor Detail

NodeImpl

public NodeImpl()

Method Detail

getId

public long getId()

Description copied from interface: Node

The id of the node. This is unique within its NodeContainer.

Specified by:

getId in interface Node

Returns:

the id of the node

getUniqueId

public String getUniqueId()

setId

public void setId(long id)

Description copied from interface: Node

Method for setting the id of the node

Parameters:

id - the id of the node

getName

public String getName()

Description copied from interface: Node

The name of the node

Specified by:

getName in interface Node

Returns:

the name of the node

setName

public void setName(String name)

Description copied from interface: Node

Method for setting the name of the node

Parameters:

name - the name of the node

getIncomingConnections

public Map<String,List<Connection>> getIncomingConnections()

Description copied from interface: Node

The incoming connections for this Node. A Node could have multiple entry-points. This map contains the list of incoming connections for each entry-point.

Specified by:

getIncomingConnections in interface Node

Returns:

the incoming connections

getOutgoingConnections

public Map<String,List<Connection>> getOutgoingConnections()

Description copied from interface: Node

The outgoing connections for this Node. A Node could have multiple exit-points. This map contains the list of outgoing connections for each exit-point.

Specified by:

getOutgoingConnections in interface Node

Returns:

the outgoing connections

addIncomingConnection

public void addIncomingConnection(String type,
                                  Connection connection)

validateAddIncomingConnection

public void validateAddIncomingConnection(String type,
                                          Connection connection)

getIncomingConnections

public List<Connection> getIncomingConnections(String type)

Description copied from interface: Node

The incoming connections for this Node for the given entry-point.

Specified by:

getIncomingConnections in interface Node

Returns:

the incoming connections for the given entry point

addOutgoingConnection

public void addOutgoingConnection(String type,
                                  Connection connection)

validateAddOutgoingConnection

public void validateAddOutgoingConnection(String type,
                                          Connection connection)

getOutgoingConnections

public List<Connection> getOutgoingConnections(String type)

Description copied from interface: Node

The outgoing connections for this Node for the given exit-point.

Specified by:

getOutgoingConnections in interface Node

Returns:

the outgoing connections for the given exit point

removeIncomingConnection

public void removeIncomingConnection(String type,
                                     Connection connection)

validateRemoveIncomingConnection

public void validateRemoveIncomingConnection(String type,
                                             Connection connection)

removeOutgoingConnection

public void removeOutgoingConnection(String type,
                                     Connection connection)

validateRemoveOutgoingConnection

public void validateRemoveOutgoingConnection(String type,
                                             Connection connection)

getFrom

public Connection getFrom()

Helper method for nodes that have at most one default incoming connection

getTo

public Connection getTo()

Helper method for nodes that have at most one default outgoing connection

getDefaultIncomingConnections

public List<Connection> getDefaultIncomingConnections()

Helper method for nodes that have multiple default incoming connections

getDefaultOutgoingConnections

public List<Connection> getDefaultOutgoingConnections()

Helper method for nodes that have multiple default outgoing connections

getNodeContainer

public NodeContainer getNodeContainer()

Description copied from interface: Node

The NodeContainer this Node lives in.

Specified by:

getNodeContainer in interface Node

Returns:

the NodeContainer

setNodeContainer

public void setNodeContainer(NodeContainer nodeContainer)

setContext

public void setContext(String contextId,
                       Context context)

Specified by:

setContext in interface Contextable

getContext

public Context getContext(String contextId)

Specified by:

getContext in interface Contextable

resolveContext

public Context resolveContext(String contextId,
                              Object param)

Specified by:

resolveContext in interface ContextResolver

setMetaData

public void setMetaData(String name,
                        Object value)

getMetaData

public Object getMetaData(String name)

Description copied from interface: Node

Meta data associated with this Node.

Specified by:

getMetaData in interface Node

getMetaData

public Map<String,Object> getMetaData()

Description copied from interface: Node

Meta data associated with this Node.

Specified by:

getMetaData in interface Node

setMetaData

public void setMetaData(Map<String,Object> metaData)

getConstraint

public Constraint getConstraint(Connection connection)

internalGetConstraint

public Constraint internalGetConstraint(ConnectionRef ref)

setConstraint

public void setConstraint(Connection connection,
                          Constraint constraint)

addConstraint

public void addConstraint(ConnectionRef connectionRef,
                          Constraint constraint)

getConstraints

public Map<ConnectionRef,Constraint> getConstraints()