org.mmbase.storage.search
Interface CoreSearchQueryHandler

All Superinterfaces:

SearchQueryHandler

All Known Implementing Classes:

BasicQueryHandler

public interface CoreSearchQueryHandler
extends SearchQueryHandler

Defines methods for an object that handles search query requests.

Since:

MMBase-1.7

Version:

$Id: SearchQueryHandler.java -1 $

Author:

Rob van Maris

Field Summary

Fields inherited from interface org.mmbase.storage.search.SearchQueryHandler

FEATURE_MAX_NUMBER, FEATURE_OFFSET, FEATURE_REGEXP, SUPPORT_NONE, SUPPORT_NORMAL, SUPPORT_OPTIMAL, SUPPORT_WEAK

Method Summary

List<MMObjectNode>

getNodes(SearchQuery query, MMObjectBuilder builder) Processes a search query, returns the result as a list of nodes.

Methods inherited from interface org.mmbase.storage.search.SearchQueryHandler

createSqlString, getSupportLevel, getSupportLevel

Method Detail

getNodes

List<MMObjectNode> getNodes(SearchQuery query,
                            MMObjectBuilder builder)
                            throws SearchQueryException

Processes a search query, returns the result as a list of nodes. Depending on the specified builder, the results will be:

• Resultnodes, with fields named according to the field aliases specified by the query.
• Clusternodes, with fields named <step alias>.<field name>, where the step alias is required to be of the form <step tablename><x>, and <x> is either empty or a single digit. Examples:
  images.number, images0.number, images1.number
• Real nodes, where all fields are required to be included in the query.

Parameters:

query - The search query.

builder - The builder for the result nodes. Specify a ResultBuilder to get resultnodes. ClusterBuilder to get clusternodes.

Returns:

The resulting nodes.

Throws:

SearchQueryException

See Also:

ResultNode, ClusterNode