org.jahia.services.query

Class ScrollableQueryCallback<T>

java.lang.Object

org.jahia.services.query.ScrollableQueryCallback<T>

public abstract class ScrollableQueryCallback<T>
extends Object

Callback class for ScrollableQuery. To be used with ScrollableQuery's execute method,

Author:

kevan

Field Summary

Fields

Modifier and Type	Field and Description
protected javax.jcr.query.QueryResult	stepResult

Constructor Summary

Constructors

Constructor and Description
ScrollableQueryCallback()

Method Summary

Modifier and Type	Method and Description
protected abstract T	getResult() When the ScrollableQuery stop to scroll, he call this this method to return the result of the callback
abstract boolean	scroll() While this method return true, the ScrollableQuery will re execute the query and refresh the stepResult
protected void	setStepResult(javax.jcr.query.QueryResult stepResult)

Methods inherited from class java.lang.Object

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

Field Detail

stepResult

protected javax.jcr.query.QueryResult stepResult

Constructor Detail

ScrollableQueryCallback

public ScrollableQueryCallback()

Method Detail

setStepResult

protected void setStepResult(javax.jcr.query.QueryResult stepResult)

scroll

public abstract boolean scroll()
                        throws javax.jcr.RepositoryException

While this method return true, the ScrollableQuery will re execute the query and refresh the stepResult

Returns:

true when we need to scroll again the query

Throws:

javax.jcr.RepositoryException - in case of JCR-related errors

getResult

protected abstract T getResult()

When the ScrollableQuery stop to scroll, he call this this method to return the result of the callback

Returns:

the callback result