org.smartfrog.sfcore.prim
Interface ChildMinder

All Superinterfaces:

java.rmi.Remote

All Known Subinterfaces:

Compound, CopyFile, DetachingCompound, ProcessCompound

All Known Implementing Classes:

ApacheImpl, ArrayCompoundImpl, Autoloader, Comparator, CompoundImpl, Constant, Container, CopyFileImpl, Delay, Delay, DeployByCopyImpl, Deployer, DetachingCompoundImpl, DisplayThresholderImpl, Dup, During, EventCompoundImpl, FileUsingCompoundImpl, FireBreak, Generator, GraphImpl, LibraryArtifactImpl, LibraryImpl, Negate, NetElemImpl, OnEvent, Parallel, ParentHelper, Plus, Printer, ProcessCompoundImpl, RandomSequence, Repeat, Retract, Retry, Run, Sequence, SFSetPropertyImpl, Spawn, Tester, ThresholderImpl, TideMeterImpl, Timeout, Times, Try, UpdatableCompound

public interface ChildMinder
extends java.rmi.Remote

Defines the interface an object needs to implement if it wants to manager children. Primitives expect their parent to implement this interface so they can register for liveness and termination messages

Method Summary

void	sfAddChild(Liveness child) Add a child.
java.util.Enumeration	sfChildren() Gets an enumeration over the children of the implementor.
boolean	sfContainsChild(Liveness child) Request whether implementor contains a given child.
boolean	sfRemoveChild(Liveness child) Remove a child.

Method Detail

sfAddChild

void sfAddChild(Liveness child)
                throws java.rmi.RemoteException

Add a child.

Parameters:

child - child to add

Throws:

java.rmi.RemoteException - In case of Remote/nework error

sfRemoveChild

boolean sfRemoveChild(Liveness child)
                      throws SmartFrogRuntimeException,
                             java.rmi.RemoteException

Remove a child.

Parameters:

child - child to add

Returns:

Status of child removal

Throws:

SmartFrogRuntimeException - if failed to remove the child

java.rmi.RemoteException - In case of Remote/nework error

sfContainsChild

boolean sfContainsChild(Liveness child)
                        throws java.rmi.RemoteException

Request whether implementor contains a given child.

Parameters:

child - child to check for

Returns:

true is child is present else false

Throws:

java.rmi.RemoteException - In case of Remote/nework error

sfChildren

java.util.Enumeration sfChildren()
                                 throws java.rmi.RemoteException

Gets an enumeration over the children of the implementor.

Returns:

enumeration over children

Throws:

java.rmi.RemoteException - In case of Remote/nework error