com.aspc.twitter.obj

Class TweetSearchPlan

java.lang.Object

com.aspc.DBObj.Internal.SearchPlan

com.aspc.DBObj.Internal.DBObjectSearchPlan

com.aspc.DBObj.Internal.impl.DBObjectSearchPlanV8

com.aspc.twitter.obj.TweetSearchPlan

public class TweetSearchPlan
extends DBObjectSearchPlanV8

Controls searches for DBFile
THREAD MODE: SINGLE-THREADED

Since:

9 January 2008

Author:

Nigel Leck

Field Summary

Fields inherited from class com.aspc.DBObj.Internal.DBObjectSearchPlan

MAX_JOINS, RESOLUTION_ARCHIVE_CACHE, RESOLUTION_DB_SEARCH, RESOLUTION_FIELD_CACHE, RESOLUTION_FIELD_CACHE_IN, RESOLUTION_FULL_SEARCH, RESOLUTION_LINKAGE_CACHE, RESOLUTION_LOAD_CACHE_IN, RESOLUTION_REVERSED, RESOLUTION_SPLIT_SEARCH

Fields inherited from class com.aspc.DBObj.Internal.SearchPlan

ALWAYS_LOAD_FIELD_CACHE_LIMIT, DEFAULT_TIMEOUT, maxFullListInsteadOfAffirmativeRestriction, maxFullRecordScan, query, RESOLUTION_KNOWN_TO_FAIL, RESOLUTION_UNKOWN

Constructor Summary

Constructors

Constructor and Description
TweetSearchPlan(DBQuery query)

Method Summary

Modifier and Type	Method and Description
PossibleRowsHolder	tryPlanCache() if the query uses the "path" field then add the folder name to the criteria.

Methods inherited from class com.aspc.DBObj.Internal.impl.DBObjectSearchPlanV8

addSqlUsed, addTranslateMap, archiveSearch, createLayerPlan, doLayerSearch, doReverseSearch, getMatchEstimatePerRow, isUsingDefaultSearchPlan, listSqlUsed, makeLayerPlan, tryKeyWord, tryReverseSearch, trySplitOR, trySplitSearch, useClauseInsteadOfFullScan, useFullSearch, useLinkageCache

Methods inherited from class com.aspc.DBObj.Internal.SearchPlan

addClauseUsed, checkThirdPhase, checkTimeout, cleanCriteria, getBottomLayer, getCriteria, getDataBase, getEstimatedDatabaseRows, getEstimatedMatchRows, getEstimatedMatchRows, getFirstClausedUsed, getMaxFullListInsteadOfAffirmativeRestriction, getMaxFullRecordScan, getMaximumRequiredRows, getQuery, getResolution, getSecondClausedUsed, getStartTime, getThirdClausedUsed, getTopLayer, isLayerExcluded, setForcePhaseThree, setMasterPlan, setMaxFullListInsteadOfAffirmativeRestriction, setMaxFullRecordScan, setMaximumRequiredRows, setResolution, useCache, willSearchFail

Methods inherited from class java.lang.Object

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

Constructor Detail

TweetSearchPlan

public TweetSearchPlan(DBQuery query)

Parameters:

query - the query

Method Detail

tryPlanCache

public PossibleRowsHolder tryPlanCache()
                                throws java.lang.Exception

if the query uses the "path" field then add the folder name to the criteria.

Overrides:

tryPlanCache in class DBObjectSearchPlanV8

Returns:

The possible rows from the plan's special cache.

Throws:

java.lang.Exception - A serious problem