br.unicamp.cst.memory

Class LongTermMemory

java.lang.Object

br.unicamp.cst.memory.LongTermMemory

public class LongTermMemory
extends java.lang.Object

This long term memory is responsible for providing access to stored knowledge

Constructor Summary

Constructors

Constructor and Description
LongTermMemory(RawMemory rawMemory) Default constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone() Avoids cloning.
static byte[]	getBytesFromFile(java.io.File file) This method receive a object "File" as parameter and return the contents of the file in a byte array.
void	learn(MemoryObject mo) Stores Information of a given type in long term memory.
void	printLTM() Prints all active content in ltm.
MemoryObject	retrieve(java.lang.String type, java.lang.String info) Retrieves from long term memory a given type and info of memory object.
void	shutDown() Clears LTM from memory.
void	totalClearLTM() WARNING: Clears everything from LTM, both from ram and disk.

Methods inherited from class java.lang.Object

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

Constructor Detail

LongTermMemory

public LongTermMemory(RawMemory rawMemory)

Default constructor.

Parameters:

rawMemory -

Method Detail

getBytesFromFile

public static byte[] getBytesFromFile(java.io.File file)
                               throws java.io.IOException

This method receive a object "File" as parameter and return the contents of the file in a byte array.

Parameters:

file - the file to get bytes from

Returns:

byte[] array of bytes taken from the file.

Throws:

java.io.IOException - IOException

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Avoids cloning.

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException

learn

public void learn(MemoryObject mo)

Stores Information of a given type in long term memory. /TODO At this moment, long term memory is persisted in a json file in hard disk. This should be changed to use a DB such as postgre or mysql.

Parameters:

mo -

retrieve

public MemoryObject retrieve(java.lang.String type,
                             java.lang.String info)

Retrieves from long term memory a given type and info of memory object. It first looks for it in the memory objects already loaded in ram LTM. If it fails to find it, it then looks for it on disk.

Parameters:

type -

info -

Returns:

memory object.

totalClearLTM

public void totalClearLTM()

WARNING: Clears everything from LTM, both from ram and disk. Use with extreme care!

printLTM

public void printLTM()

Prints all active content in ltm.

shutDown

public void shutDown()

Clears LTM from memory.