com.gridsystems.nextgrid.api.env
Class AbstractTransientAttribute<T>

java.lang.Object
  com.gridsystems.nextgrid.api.env.AbstractTransientAttribute<T>

Type Parameters:

T - Value type

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

SimpleTransientAttribute

public abstract class AbstractTransientAttribute<T>
extends java.lang.Object
implements java.io.Serializable

Utility class for environment attributes that do not implement Serializable.

Subclasses can implement logic for creating and configuring the internal value instance.

Author:

Rodrigo Ruiz

See Also:

Serialized Form

Constructor Summary

AbstractTransientAttribute()
Creates a new instance.

AbstractTransientAttribute(T value)
Creates a new instance.

Method Summary

protected abstract T	createValue(nextgrid.api.env.ProcessEnvironment env) Creates a new value instance, and optionally configures it.
T	getValue(nextgrid.api.env.ProcessEnvironment env) Gets the held value.
void	setValue(T value) Explicitly sets the value.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractTransientAttribute

public AbstractTransientAttribute()

Creates a new instance.

AbstractTransientAttribute

public AbstractTransientAttribute(T value)

Creates a new instance.

Parameters:

value - Initial value

Method Detail

getValue

public T getValue(nextgrid.api.env.ProcessEnvironment env)

Gets the held value.

Parameters:

env - For instance creation/initialisation

Returns:

The held value

setValue

public void setValue(T value)

Explicitly sets the value.

Parameters:

value - New value

createValue

protected abstract T createValue(nextgrid.api.env.ProcessEnvironment env)

Creates a new value instance, and optionally configures it.

Parameters:

env - For value configuration

Returns:

Value