Solstice::PositionService - Queueing and positioning info for collections of objects.

    use Solstice::PositionService;
    my $position_service = new Solstice::PositionService;

    # get zero-indexed position in queue
    my $position = $position_service->enqueue();

    #am I the last one?
    if ( $position == ($position_service->getQueueSize() - 1)){
        ...
    }

Solstice::Service

No symbols exported.

initialize($id, $value)

Sets the position value for the passed $id to $value, or 0 if $value is undefined. Returns undef.

enqueue([$id])

Increment the position value for the passed $id. If the value is not defined, it is initialized as 0. Returns the current position value.

reset([$id])

Sets the position value for the passed $id to 0. Returns undef.

getQueueSize([$id])

Returns the current position value for the passed $id, or 0 if not defined.

_getClassName()

Return the class name. Overridden to avoid a ref() in the superclass.

Solstice::Service.

Catalyst Group, <catalyst@u.washington.edu>

$Revision: 3364 $

Copyright 1998-2007 Office of Learning Technologies, University of Washington

Licensed under the Educational Community License, Version 1.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at: http://www.opensource.org/licenses/ecl1.php

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.