com.esri.gpt.catalog.context
Class CatalogIndexAdapter

java.lang.Object
  com.esri.gpt.framework.sql.BaseDao
      com.esri.gpt.catalog.context.CatalogIndexAdapter

Direct Known Subclasses:

LuceneIndexAdapter

public abstract class CatalogIndexAdapter
extends BaseDao

Super-class for an adapter that maintains and searches an index of metadata documents.

Constructor Summary

CatalogIndexAdapter(RequestContext requestContext)
Constructs with an associated request context.

Method Summary

abstract int	countDocuments() Counts the documents within the index.
void	deleteDocument(String uuid) Deletes a document from the index.
abstract void	deleteDocuments(String[] uuids) Deletes a collection of documents from the index.
protected Logger	getLogger() Gets the logger.
String	publishDocument(String uuid, Publisher publisher) Publishes a document to the index, first reading it's XML from the metadata server.
abstract void	publishDocument(String uuid, Timestamp updateDate, Schema schema, String acl) Publishes a document to the index based upon a metadata schema.
abstract void	purgeIndex() Purges the entire catalog index.
abstract String[]	queryAcls(String uuid) Queries the ACL values indexed for a document.
abstract Timestamp	queryModifiedDate(String uuid) Queries the system modified date associated with an indexed document.

Methods inherited from class com.esri.gpt.framework.sql.BaseDao

appendExpression, appendValueFilter, closeResultSet, closeStatement, getApplicationConfiguration, getRequestContext, logExpression, returnConnection, setRequestContext

Methods inherited from class java.lang.Object

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

Constructor Detail

CatalogIndexAdapter

public CatalogIndexAdapter(RequestContext requestContext)

Constructs with an associated request context.

Parameters:

requestContext - the request context

Method Detail

getLogger

protected Logger getLogger()

Gets the logger.

Returns:

the logger

countDocuments

public abstract int countDocuments()
                            throws CatalogIndexException

Counts the documents within the index.

Throws:

CatalogIndexException - if an exception occurs

deleteDocument

public void deleteDocument(String uuid)
                    throws CatalogIndexException

Deletes a document from the index.

Parameters:

uuid - the document UUID to delete

Throws:

CatalogIndexException - if an exception occurs

deleteDocuments

public abstract void deleteDocuments(String[] uuids)
                              throws CatalogIndexException

Deletes a collection of documents from the index.

Parameters:

uuids - the collection of document UUIDS to delete

Throws:

CatalogIndexException - if an exception occurs

publishDocument

public String publishDocument(String uuid,
                              Publisher publisher)
                       throws CatalogIndexException

Publishes a document to the index, first reading it's XML from the metadata server.
The document will not be written if the UUID is null or zero-length.
Existing documents that match the supplied UUID will be replaced.

Parameters:

uuid - the document's UUID

publisher - a publisher who has read access to the document

Returns:

the raw XML associated with the document being published

Throws:

CatalogIndexException - if an exception occurs

publishDocument

public abstract void publishDocument(String uuid,
                                     Timestamp updateDate,
                                     Schema schema,
                                     String acl)
                              throws CatalogIndexException

Publishes a document to the index based upon a metadata schema.
The document will not be written if the UUID is null or zero-length.
Existing documents that match the supplied UUID will be replaced.

Parameters:

uuid - the document's UUID

updateDate - the document's update date

schema - the evaluated schema associated with the document to be indexed

acl - an XML string represent the access control information associated the document (if null, no ACL information is indexed)

Throws:

CatalogIndexException - if an exception occurs

purgeIndex

public abstract void purgeIndex()
                         throws CatalogIndexException

Purges the entire catalog index.

Throws:

CatalogIndexException - if an exception occurs

queryAcls

public abstract String[] queryAcls(String uuid)
                            throws CatalogIndexException

Queries the ACL values indexed for a document.

Parameters:

uuid - the document UUID

Returns:

the ACL values (can be null)

Throws:

CatalogIndexException - if an exception occurs

queryModifiedDate

public abstract Timestamp queryModifiedDate(String uuid)
                                     throws CatalogIndexException

Queries the system modified date associated with an indexed document.

Parameters:

uuid - the document UUID

Returns:

the update date (null if none was found)

Throws:

CatalogIndexException - if an exception occurs