org.umber.catalan.process.queue
Interface IQueue

All Superinterfaces:

IPropertyHolder

All Known Subinterfaces:

INamedQueue

All Known Implementing Classes:

DefaultNamedQueue, DefaultQueue

public interface IQueue

extends IPropertyHolder

A collection of processing nodes. Can be read-only or read/write. Includes an IQueue-wide property Map.

Author:

jsheets

Method Summary

java.util.List	getNodes() Retrieves the current node processing list.
boolean	isReadOnly() Determines if a queue is read-only.

Methods inherited from interface org.umber.catalan.process.workers.IPropertyHolder

getProperties

Method Detail

getNodes

public java.util.List getNodes()

Retrieves the current node processing list.

Returns:

the current node list

isReadOnly

public boolean isReadOnly()

Determines if a queue is read-only. The nodes of a read-only queue can be examined, but not moved around. Any attempts to add or remove nodes will trigger an UnsupportedOperationException.

Note: Operations on the nodes themselves cannot be screened out, so a read-only queue is only truly read-only if all of its nodes are immutable.

Returns:

true if queue is read-only