org.alfresco.query
Class EmptyPagingResults

java.lang.Object
  org.alfresco.query.EmptyPagingResults

All Implemented Interfaces:

PagingResults

Direct Known Subclasses:

EmptyCannedQueryResults

public class EmptyPagingResults
extends java.lang.Object
implements PagingResults

An always empty PagingResults, used when you know you can short circuit a query when no results are found.

Since:

4.0

Constructor Summary

EmptyPagingResults()

Method Summary

java.util.List	getPage() Returns an empty page
java.lang.String	getQueryExecutionId() There is no unique query ID, as no query was done
Pair	getTotalResultCount() There are no results
boolean	hasMoreItems() No more items remain

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyPagingResults

public EmptyPagingResults()

Method Detail

getPage

public java.util.List getPage()

Returns an empty page

Specified by:

getPage in interface PagingResults

Returns:

the results - possibly empty but never null

hasMoreItems

public boolean hasMoreItems()

No more items remain

Specified by:

hasMoreItems in interface PagingResults

Returns:

true if more items (eg. on next page)
- true => at least one more page (or incomplete page - if cutoff)
- false => last page (or incomplete page - if cutoff)

getTotalResultCount

public Pair getTotalResultCount()

There are no results

Specified by:

getTotalResultCount in interface PagingResults

Returns:

Returns the total results as a range (all results, including the paged results returned)

getQueryExecutionId

public java.lang.String getQueryExecutionId()

There is no unique query ID, as no query was done

Specified by:

getQueryExecutionId in interface PagingResults

Returns:

a unique ID associated with the query execution results