pt.unl.fct.di.novasys.babel.crdts.operation.generic

Class OperationBasedCRDT

java.lang.Object

pt.unl.fct.di.novasys.babel.crdts.generic.CRDT

pt.unl.fct.di.novasys.babel.crdts.operation.generic.OperationBasedCRDT

All Implemented Interfaces:

GenericCRDT, OperationCRDT

Direct Known Subclasses:

OpCounter

public abstract class OperationBasedCRDT
extends CRDT
implements OperationCRDT

An abstract class that implements the generic operation-based CRDT interface. It stores the CRDT identifier as a string. The class should be realized by one of the concrete implementations materialized in the implementations package.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	crtdID Stores the CRDT identifier.

Fields inherited from class pt.unl.fct.di.novasys.babel.crdts.generic.CRDT

type

Constructor Summary

Constructors

Constructor and Description
OperationBasedCRDT(String crdtID, CRDTsTypes type) Creates an abstract operation-based CRDT.

Method Summary

Modifier and Type	Method and Description
abstract void	applyRemoteOperation(Operation op) Applies a remote operation into the local state of the CRDT
String	getCrtdID()
abstract void	installRemoteState(OperationBasedCRDT crdt) Installs the remote state into the local the CRDT.

Methods inherited from class pt.unl.fct.di.novasys.babel.crdts.generic.CRDT

getType

Methods inherited from class java.lang.Object

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

Methods inherited from interface pt.unl.fct.di.novasys.babel.crdts.generic.GenericCRDT

copy, deserializeDataType, getType, serialize

Field Detail

crtdID

protected String crtdID

Stores the CRDT identifier.

Constructor Detail

OperationBasedCRDT

public OperationBasedCRDT(String crdtID,
                          CRDTsTypes type)

Creates an abstract operation-based CRDT.

Parameters:

crdtID - the identifier of the CRDT.

type - its unique type.

Method Detail

getCrtdID

public String getCrtdID()

Specified by:

getCrtdID in interface OperationCRDT

applyRemoteOperation

public abstract void applyRemoteOperation(Operation op)
                                   throws OperationNotValidException

Description copied from interface: OperationCRDT

Applies a remote operation into the local state of the CRDT

Specified by:

applyRemoteOperation in interface OperationCRDT

Parameters:

op - operation to be applied

Throws:

OperationNotValidException - if the operation is not valid.

installRemoteState

public abstract void installRemoteState(OperationBasedCRDT crdt)
                                 throws CRDTNotValidException

Description copied from interface: OperationCRDT

Installs the remote state into the local the CRDT.

Specified by:

installRemoteState in interface OperationCRDT

Parameters:

crdt - the CRDT to be installed

Throws:

CRDTNotValidException - if the CRDT is not valid.