[Zope3-checkins] CVS: Zope3/lib/python/Zope/App/index/text - processors.py:1.1 queries.py:1.1

[Christian Theune]

Update of /cvs-repository/Zope3/lib/python/Zope/App/index/text
In directory cvs.zope.org:/tmp/cvs-serv12624

Added Files:
	processors.py queries.py 
Log Message:
Moved from Zope.App.Indexes.TextIndex


=== Added File Zope3/lib/python/Zope/App/index/text/processors.py ===
##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors.
# All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
# 
##############################################################################
"""A query processor to the TextIndex that supports batching and ranking.

$Id: processors.py,v 1.1 2002/12/04 11:55:15 ctheune Exp $
"""

from Zope.ComponentArchitecture import getAdapter

from Zope.TextIndex.TextIndexInterfaces import IQuerying
from Zope.App.index.interfaces import \
    IBatchedResult, IRankedHubIdList, IBatchedTextIndexQuery
from Zope.App.OFS.Services.QueryService.IQueryProcessor import \
    IQueryProcessor
from queries import BatchedTextIndexQuery, BatchedRankedResult

class IBatchedRankedProcessor(IQueryProcessor):
    # XXX until named adapters are there
    pass

class BatchedRankedProcessor:

    __implements__ = IBatchedRankedProcessor
    __used_for__ = IQuerying

    input_interface = IBatchedTextIndexQuery
    output_interface = (IRankedHubIdList, IBatchedResult)

    def __init__(self, textindex):
        self.__textindex = textindex

    def __call__(self, query):
        query = getAdapter(query, IBatchedTextIndexQuery)
        resultlist, totalresults = self.__textindex.query(query.textIndexQuery, \
                    query.startPosition, query.batchSize)
                    
        # XXX do we need some wrapping here?
        result = BatchedRankedResult(resultlist, query.startPosition, \
                    query.batchSize, totalresults)
                    
        return result


=== Added File Zope3/lib/python/Zope/App/index/text/queries.py ===
##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""XXX short summary goes here.

$Id: queries.py,v 1.1 2002/12/04 11:55:15 ctheune Exp $
"""

from Zope.App.index.interfaces import \
    IBatchedTextIndexQuery, IBatchedResult, IRankedHubIdList

class BatchedTextIndexQuery:

    __implements__ = IBatchedTextIndexQuery

    def __init__(self, query, startposition, batchsize):
        
        self.textIndexQuery = query
        self.startPosition = startposition
        self.batchSize = batchsize

class BatchedRankedResult:

    __implements__ = IBatchedResult, IRankedHubIdList

    def __init__(self, hubidlist, startposition, batchsize, totalsize):
        self.__hubidlist = hubidlist
        self.startPosition = startposition
        self.batchSize = batchsize
        self.totalSize = totalsize

    def __getitem__(self, index):
        return self.__hubidlist[index]