ptdb.kernel.bl.search

Class CommandSearcher

java.lang.Object

ptdb.kernel.bl.search.AbstractSearcher

ptdb.kernel.bl.search.CommandSearcher

All Implemented Interfaces:

AbstractDBSearcher, ResultHandler

public class CommandSearcher
extends AbstractSearcher
implements AbstractDBSearcher

The concrete searcher class which handles the search according to the XQuery command input by the user.

Since:

Ptolemy II 10.0

Version:

$Id$

Author:

Alek Wang

Pt.AcceptedRating:

red (wenjiaow)

Pt.ProposedRating:

red (wenjiaow)

Field Summary

Fields inherited from class ptdb.kernel.bl.search.AbstractSearcher

_currentResults, _dbConnection, _errorModels, _isIndependent, _nextResultHandler, _previousResults

Constructor Summary

Constructors

Constructor and Description
CommandSearcher(SearchCriteria searchCriteria) Construct the command searcher.

Method Summary

Modifier and Type	Method and Description
protected boolean	_isSearchCriteriaSet() Checks whether the command search criteria has been set in this command searcher instance.
protected void	_search() Perform the actual search for the attributes search criteria.

Methods inherited from class ptdb.kernel.bl.search.AbstractSearcher

_addErrorModel, _isFirstSearcher, _isIndependent, _isIntersectNeeded, _isLastSeacher, _pass, handleIntermediateResults, handleResults, isPassed, isSearchCancelled, noIntersect, passErrorModels, setConnection, setFirstSearcher, setLastSearcher, setNextResultHandler, setPreviousSeacher, wholeSearchDone

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandSearcher

public CommandSearcher(SearchCriteria searchCriteria)

Construct the command searcher.

Parameters:

searchCriteria - The search criteria input by the user.

Method Detail

_isSearchCriteriaSet

protected boolean _isSearchCriteriaSet()

Checks whether the command search criteria has been set in this command searcher instance.

Specified by:

_isSearchCriteriaSet in class AbstractSearcher

Returns:

true - if the search criteria has been set.
false - if the search criteria has not been set.

_search

protected void _search()

Perform the actual search for the attributes search criteria.

This method has not been implemented yet.

Specified by:

_search in class AbstractSearcher