org.alfresco.query

Class PagingRequest

java.lang.Object

org.alfresco.query.PagingRequest

public class PagingRequest
extends java.lang.Object

Simple wrapper for single page request (with optional request for total count up to a given max)

Since:

4.0

Constructor Summary

Constructors

Constructor and Description
PagingRequest(int maxItems) Construct a page request
PagingRequest(int skipCount, int maxItems) Construct a page request
PagingRequest(int skipCount, int maxItems, java.lang.String queryExecutionId) Construct a page request
PagingRequest(int maxItems, java.lang.String queryExecutionId) Construct a page request

Method Summary

Methods

Modifier and Type	Method and Description
int	getMaxItems() Size of the page - if skip count is 0 then return up to max items.
java.lang.String	getQueryExecutionId() Get a unique ID associated with these query results.
int	getRequestTotalCountMax() Get requested total count (up to a given maximum).
int	getSkipCount() Results to skip before retrieving the page.
protected void	setMaxItems(int maxItems) Change the size of the page.
protected void	setQueryExecutionId(java.lang.String queryExecutionId) Change the unique query ID for the results.
void	setRequestTotalCountMax(int requestTotalCountMax) Set request total count (up to a given maximum).
protected void	setSkipCount(int skipCount) Change the skip count.

Methods inherited from class java.lang.Object

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

Constructor Detail

PagingRequest

public PagingRequest(int maxItems)

Construct a page request

Parameters:

maxItems - the maximum number of items per page

PagingRequest

public PagingRequest(int skipCount,
             int maxItems)

Construct a page request

Parameters:

maxItems - the maximum number of items per page

skipCount - the number of items to skip before the first page

PagingRequest

public PagingRequest(int maxItems,
             java.lang.String queryExecutionId)

Construct a page request

Parameters:

maxItems - the maximum number of items per page

queryExecutionId - a query execution ID associated with ealier paged requests

PagingRequest

public PagingRequest(int skipCount,
             int maxItems,
             java.lang.String queryExecutionId)

Construct a page request

Parameters:

maxItems - the maximum number of items per page

skipCount - the number of items to skip before the first page

queryExecutionId - a query execution ID associated with ealier paged requests

Method Detail

getSkipCount

public int getSkipCount()

Results to skip before retrieving the page. Usually a multiple of page size (ie. page size * num pages to skip). Default is 0.

Returns:

the number of results to skip before the page

setSkipCount

protected void setSkipCount(int skipCount)

Change the skip count. Must be called before the paging query is run.

getMaxItems

public int getMaxItems()

Size of the page - if skip count is 0 then return up to max items.

Returns:

the maximum size of the page

setMaxItems

protected void setMaxItems(int maxItems)

Change the size of the page. Must be called before the paging query is run.

getRequestTotalCountMax

public int getRequestTotalCountMax()

Get requested total count (up to a given maximum).

setRequestTotalCountMax

public void setRequestTotalCountMax(int requestTotalCountMax)

Set request total count (up to a given maximum). Default is 0 => do not request total count (which allows possible query optimisation).

Parameters:

requestTotalCountMax -

getQueryExecutionId

public java.lang.String getQueryExecutionId()

Get a unique ID associated with these query results. This must be available before and after execution i.e. it must depend on the type of query and the query parameters rather than the execution results. Client has the option to pass this back as a hint when paging.

Returns:

a unique ID associated with the query execution results

setQueryExecutionId

protected void setQueryExecutionId(java.lang.String queryExecutionId)

Change the unique query ID for the results. Must be called before the paging query is run.