org.statefulj.persistence.common

Class AbstractPersister<T>

java.lang.Object

org.statefulj.persistence.common.AbstractPersister<T>

All Implemented Interfaces:

Persister<T>

public abstract class AbstractPersister<T>
extends Object
implements Persister<T>

Constructor Summary

Constructors

Constructor and Description
AbstractPersister(List<State<T>> states, String stateFieldName, State<T> start, Class<T> clazz)

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract Field	findIdField(Class<?> clazz)
protected Field	findStateField(String stateFieldName, Class<?> clazz)
protected Class<T>	getClazz()
State<T>	getCurrent(T stateful) Return the current State
protected Object	getId(T obj)
protected Field	getIdField()
protected State<T>	getStart()
protected String	getState(T obj)
protected Field	getStateField()
protected abstract Class<?>	getStateFieldType()
protected HashMap<String,State<T>>	getStates()
protected void	setClazz(Class<T> clazz)
abstract void	setCurrent(T stateful, State<T> current, State<T> next) Set the current State.
protected void	setIdField(Field idField)
protected void	setStart(State<T> start)
protected void	setState(T obj, String state)
protected void	setStateField(Field stateField)
protected void	setStates(HashMap<String,State<T>> states)
protected void	throwStaleState(State<T> current, State<T> next)
protected abstract boolean	validStateField(Field stateField)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractPersister

public AbstractPersister(List<State<T>> states,
                 String stateFieldName,
                 State<T> start,
                 Class<T> clazz)

Method Detail

getCurrent

public State<T> getCurrent(T stateful)

Return the current State

Specified by:

getCurrent in interface Persister<T>

setCurrent

public abstract void setCurrent(T stateful,
              State<T> current,
              State<T> next)
                         throws StaleStateException

Set the current State. This method will ensure that the state in the db matches the expected current state. If not, it will throw a StateStateException

Specified by:

setCurrent in interface Persister<T>

Parameters:

stateful -

current -

next -

Throws:

StaleStateException

validStateField

protected abstract boolean validStateField(Field stateField)

findIdField

protected abstract Field findIdField(Class<?> clazz)

findStateField

protected Field findStateField(String stateFieldName,
                   Class<?> clazz)

getStateFieldType

protected abstract Class<?> getStateFieldType()

getIdField

protected Field getIdField()

setIdField

protected void setIdField(Field idField)

getStateField

protected Field getStateField()

setStateField

protected void setStateField(Field stateField)

getStart

protected State<T> getStart()

setStart

protected void setStart(State<T> start)

getClazz

protected Class<T> getClazz()

setClazz

protected void setClazz(Class<T> clazz)

getStates

protected HashMap<String,State<T>> getStates()

setStates

protected void setStates(HashMap<String,State<T>> states)

getId

protected Object getId(T obj)
                throws NoSuchFieldException,
                       SecurityException,
                       IllegalArgumentException,
                       IllegalAccessException

Throws:

NoSuchFieldException

SecurityException

IllegalArgumentException

IllegalAccessException

getState

protected String getState(T obj)
                   throws NoSuchFieldException,
                          SecurityException,
                          IllegalArgumentException,
                          IllegalAccessException

Throws:

NoSuchFieldException

SecurityException

IllegalArgumentException

IllegalAccessException

setState

protected void setState(T obj,
            String state)
                 throws IllegalArgumentException,
                        IllegalAccessException,
                        NoSuchFieldException,
                        SecurityException

Throws:

IllegalArgumentException

IllegalAccessException

NoSuchFieldException

SecurityException

throwStaleState

protected void throwStaleState(State<T> current,
                   State<T> next)
                        throws StaleStateException

Throws:

StaleStateException