com.google.gwt.dev.util

Class MemoryBackedObject<T extends Serializable>

java.lang.Object

com.google.gwt.dev.util.MemoryBackedObject<T>

Type Parameters:

T - the type of object serialized into the file

All Implemented Interfaces:

PersistenceBackedObject<T>, Serializable

public class MemoryBackedObject<T extends Serializable>
extends Object
implements PersistenceBackedObject<T>

A Noop PersistentBackedObject that stores a reference to the data it's provided. Used only in per file compiles.

NOTE: Use this class with care as it does not provide a fresh deserialized copy of the data provided,

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MemoryBackedObject(Class<T> clazz)

Method Summary

Modifier and Type	Method and Description
boolean	exists() Returns whether the intended persistence location is already populated.
String	getPath() Returns the path to the intended persistence location.
T	newInstance(TreeLogger logger) Constructs and returns a new instance of the object stored at the path.
void	set(TreeLogger logger, T object) Serializes the provided object to the intended path.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryBackedObject

public MemoryBackedObject(Class<T> clazz)

Method Detail

exists

public boolean exists()

Description copied from interface: PersistenceBackedObject

Returns whether the intended persistence location is already populated. For example if persisting to a file this would be whether or not the file already exists.

Specified by:

exists in interface PersistenceBackedObject<T extends Serializable>

getPath

public String getPath()

Description copied from interface: PersistenceBackedObject

Returns the path to the intended persistence location.

Specified by:

getPath in interface PersistenceBackedObject<T extends Serializable>

newInstance

public T newInstance(TreeLogger logger)
              throws UnableToCompleteException

Description copied from interface: PersistenceBackedObject

Constructs and returns a new instance of the object stored at the path.

Specified by:

newInstance in interface PersistenceBackedObject<T extends Serializable>

Throws:

UnableToCompleteException - if the backing store does not contain an object of type T

set

public void set(TreeLogger logger,
                T object)
         throws IllegalStateException,
                UnableToCompleteException

Description copied from interface: PersistenceBackedObject

Serializes the provided object to the intended path. Can only be set once.

Specified by:

set in interface PersistenceBackedObject<T extends Serializable>

Throws:

UnableToCompleteException - if the object could not be serialized

IllegalStateException

toString

public String toString()

Overrides:

toString in class Object