org.jbpm.context.exe
Class VariableInstance

java.lang.Object
  org.jbpm.context.exe.VariableInstance

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ByteArrayInstance, DateInstance, DoubleInstance, Ejb3Instance, HibernateLongInstance, HibernateStringInstance, JcrNodeInstance, LongInstance, NullInstance, StringInstance, UnpersistableInstance

public abstract class VariableInstance
extends Object
implements Serializable

base for classes that store variable values in the database.

See Also:

Serialized Form

Field Summary

protected Converter	converter
protected boolean	isValueCached
protected String	name
protected ProcessInstance	processInstance
protected Token	token
protected TokenVariableMap	tokenVariableMap
protected Object	valueCache

Constructor Summary

VariableInstance()

Method Summary

static VariableInstance	create(Token token, String name, Object value)
static VariableInstance	createVariableInstance(Object value)
String	getName()
protected abstract Object	getObject() is the value, stored by this variable instance.
ProcessInstance	getProcessInstance()
Token	getToken()
Object	getValue()
abstract boolean	isStorable(Object value) is true if this variable-instance supports the given value, false otherwise.
void	removeReferences()
protected abstract void	setObject(Object value) stores the value in this variable instance.
void	setTokenVariableMap(TokenVariableMap tokenVariableMap)
void	setValue(Object value)
boolean	supports(Object value)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

name

protected String name

token

protected Token token

tokenVariableMap

protected TokenVariableMap tokenVariableMap

processInstance

protected ProcessInstance processInstance

converter

protected Converter converter

valueCache

protected Object valueCache

isValueCached

protected boolean isValueCached

Constructor Detail

VariableInstance

public VariableInstance()

Method Detail

create

public static VariableInstance create(Token token,
                                      String name,
                                      Object value)

createVariableInstance

public static VariableInstance createVariableInstance(Object value)

isStorable

public abstract boolean isStorable(Object value)

is true if this variable-instance supports the given value, false otherwise.

getObject

protected abstract Object getObject()

is the value, stored by this variable instance.

setObject

protected abstract void setObject(Object value)

stores the value in this variable instance.

supports

public boolean supports(Object value)

setValue

public void setValue(Object value)

getValue

public Object getValue()

removeReferences

public void removeReferences()

toString

public String toString()

Overrides:

toString in class Object

getName

public String getName()

getProcessInstance

public ProcessInstance getProcessInstance()

getToken

public Token getToken()

setTokenVariableMap

public void setTokenVariableMap(TokenVariableMap tokenVariableMap)