org.sakaiproject.search.api
Interface SearchService

All Superinterfaces:

Diagnosable

public interface SearchService
extends Diagnosable

Provides a search interface

Author:

ieb

Field Summary

static String	DATE_STAMP
static String	EVENT_SEARCH
static String	EVENT_SEARCH_REF
static String	EVENT_TRIGGER_INDEX_RELOAD event to trigger a reload of the search index by query nodes
static String	EVENT_TRIGGER_SEARCH event to trigger an update of the index sent from Search Service to index builders
static String	FIELD_CONTAINER Search Field the container of the entity
static String	FIELD_CONTENTS Search Field (term vector, not full contents) The contents of the Entity Note the contents of the docuement are not stored in the index so the EntityContentProducer getContent method should be called to retrieve the content
static String	FIELD_DIGEST_COUNT
static String	FIELD_ID Search Field The Sakai id of the entity
static String	FIELD_REFERENCE Search field The reference of the entity
static String	FIELD_SITEID Search Index Field the site id of the entity ( where is was produced)
static String	FIELD_SUBTYPE Search Field The tool subtype of the entity
static String	FIELD_TITLE Search Field The title of the entity
static String	FIELD_TOOL Search Field The Name of the Tool that owns the entity
static String	FIELD_TYPE Search Field The tool type of the entity
static String	FIELD_URL Search Index Field the url to the entity
static String	REST_CHECKSUM
static String	REST_CONTEXTS
static String	REST_END
static String	REST_START
static String	REST_TERMS
static String	REST_USERID

Method Summary

void	forceReload() Force a reload regardless of if the index has changed
List<SearchBuilderItem>	getAllSearchItems() get all the search items in the index (must be a lazy load list)
String	getDigestStoragePath() Get the storage location for Digested content.
List<SearchBuilderItem>	getGlobalMasterSearchItems() get the global master items
int	getNDocs() get the number of documents in the search index
int	getPendingDocs() get the number of pending documents in the search index
SearchStatus	getSearchStatus() Get the status of the search engine
String	getSearchSuggestion(String searchString) Get a suggestion for spelling errors etc
List	getSegmentInfo()
List<SearchBuilderItem>	getSiteMasterSearchItems() get the master itemf to sthe site
String	getStatus() get the status of the search service
TermFrequency	getTerms(int documentId) get the term vector for this document, where document is the
boolean	isEnabled()
boolean	isSearchServer() SRCH-96 whether the current server is of search server or not
void	rebuildInstance() trigger a rebuild of the whole index
void	rebuildSite(String currentSiteId) rebuild the current site only
void	refreshInstance() Trigger an refresh of the whole index
void	refreshSite(String currentSiteId) Refresh the current site only
void	registerFunction(String function) Adds a function for the SearchService to respond to and route to the index builder.
void	reload() When reload is called, the index should be reloaded
boolean	removeWorkerLock() force the removal of the worker lock
SearchList	search(String searchTerms, List<String> contexts, int searchStart, int searchEnd) Perform a search, return results in a list.
SearchList	search(String searchTerms, List<String> contexts, int start, int end, String filterName, String sorterName) This is the same as standard search, but the caller can specify, by name, the index Filter and the index Sorter by name The Sorter and the Filter will be consulted during the search, and hence should not make massive demands on the framework, otherwise they will cripple the search performance
String	searchXML(Map parameterMap) generates a block of XML representing the search results

Methods inherited from interface org.sakaiproject.search.api.Diagnosable

disableDiagnostics, enableDiagnostics, hasDiagnostics

Field Detail

REST_USERID

static final String REST_USERID

See Also:

Constant Field Values

REST_TERMS

static final String REST_TERMS

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Constant Field Values

REST_CHECKSUM

static final String REST_CHECKSUM

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Constant Field Values

REST_CONTEXTS

static final String REST_CONTEXTS

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Constant Field Values

REST_START

static final String REST_START

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Constant Field Values

REST_END

static final String REST_END

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Constant Field Values

EVENT_TRIGGER_SEARCH

static final String EVENT_TRIGGER_SEARCH

event to trigger an update of the index sent from Search Service to index builders

See Also:

Constant Field Values

EVENT_TRIGGER_INDEX_RELOAD

static final String EVENT_TRIGGER_INDEX_RELOAD

event to trigger a reload of the search index by query nodes

See Also:

Constant Field Values

EVENT_SEARCH

static final String EVENT_SEARCH

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Constant Field Values

EVENT_SEARCH_REF

static final String EVENT_SEARCH_REF

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Constant Field Values

FIELD_SITEID

static final String FIELD_SITEID

Search Index Field the site id of the entity ( where is was produced)

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Constant Field Values

FIELD_URL

static final String FIELD_URL

Search Index Field the url to the entity

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Constant Field Values

FIELD_TOOL

static final String FIELD_TOOL

Search Field The Name of the Tool that owns the entity

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Constant Field Values

FIELD_TITLE

static final String FIELD_TITLE

Search Field The title of the entity

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Constant Field Values

FIELD_CONTENTS

static final String FIELD_CONTENTS

Search Field (term vector, not full contents) The contents of the Entity Note the contents of the docuement are not stored in the index so the EntityContentProducer getContent method should be called to retrieve the content

See Also:

Constant Field Values

FIELD_SUBTYPE

static final String FIELD_SUBTYPE

Search Field The tool subtype of the entity

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Constant Field Values

FIELD_TYPE

static final String FIELD_TYPE

Search Field The tool type of the entity

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Constant Field Values

FIELD_ID

static final String FIELD_ID

Search Field The Sakai id of the entity

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Constant Field Values

FIELD_CONTAINER

static final String FIELD_CONTAINER

Search Field the container of the entity

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Constant Field Values

FIELD_REFERENCE

static final String FIELD_REFERENCE

Search field The reference of the entity

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Constant Field Values

FIELD_DIGEST_COUNT

static final String FIELD_DIGEST_COUNT

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Constant Field Values

DATE_STAMP

static final String DATE_STAMP

See Also:

Constant Field Values

Method Detail

search

SearchList search(String searchTerms,
                  List<String> contexts,
                  int searchStart,
                  int searchEnd)
                  throws InvalidSearchQueryException

Perform a search, return results in a list.

Parameters:

searchTerms - the search terms

contexts - a list of contexts in which to perform the search

searchEnd -

searchStart -

Returns:

Throws:

InvalidSearchQueryException - if unable to parse the query

search

SearchList search(String searchTerms,
                  List<String> contexts,
                  int start,
                  int end,
                  String filterName,
                  String sorterName)
                  throws InvalidSearchQueryException

This is the same as standard search, but the caller can specify, by name, the index Filter and the index Sorter by name The Sorter and the Filter will be consulted during the search, and hence should not make massive demands on the framework, otherwise they will cripple the search performance

Parameters:

searchTerms - A search string

contexts - A list of contexts

start - starting from

end - ending at

filterName - a lucene filter

sorterName - a lucene sorter

Returns:

Throws:

InvalidSearchQueryException - if unable to parse the query

registerFunction

void registerFunction(String function)

Adds a function for the SearchService to respond to and route to the index builder. EntityProducers that want their content to be searched, should register the events that indicate new data to this

Parameters:

function -

reload

void reload()

When reload is called, the index should be reloaded

refreshInstance

void refreshInstance()

Trigger an refresh of the whole index

rebuildInstance

void rebuildInstance()

trigger a rebuild of the whole index

refreshSite

void refreshSite(String currentSiteId)

Refresh the current site only

Parameters:

currentSiteId -

rebuildSite

void rebuildSite(String currentSiteId)

rebuild the current site only

Parameters:

currentSiteId -

getStatus

String getStatus()

get the status of the search service

Returns:

getNDocs

int getNDocs()

get the number of documents in the search index

Returns:

getPendingDocs

int getPendingDocs()

get the number of pending documents in the search index

Returns:

getAllSearchItems

List<SearchBuilderItem> getAllSearchItems()

get all the search items in the index (must be a lazy load list)

Returns:

getSiteMasterSearchItems

List<SearchBuilderItem> getSiteMasterSearchItems()

get the master itemf to sthe site

Returns:

getGlobalMasterSearchItems

List<SearchBuilderItem> getGlobalMasterSearchItems()

get the global master items

Returns:

getSearchStatus

SearchStatus getSearchStatus()

Get the status of the search engine

Returns:

removeWorkerLock

boolean removeWorkerLock()

force the removal of the worker lock

Returns:

getSegmentInfo

List getSegmentInfo()

forceReload

void forceReload()

Force a reload regardless of if the index has changed

getTerms

TermFrequency getTerms(int documentId)
                       throws IOException

get the term vector for this document, where document is the

Parameters:

documentId -

Returns:

Throws:

IOException

searchXML

String searchXML(Map parameterMap)

generates a block of XML representing the search results

Parameters:

parameterMap -

Returns:

isEnabled

boolean isEnabled()

Returns:

getDigestStoragePath

String getDigestStoragePath()

Get the storage location for Digested content. Will return null if system is Not set up to store content on the fs

Returns:

getSearchSuggestion

String getSearchSuggestion(String searchString)

Get a suggestion for spelling errors etc

Parameters:

searchString -

Returns:

a suggestion

isSearchServer

boolean isSearchServer()

SRCH-96 whether the current server is of search server or not

Returns: