Package com.google.gerrit.index.query

Class PaginatingSource<T>

java.lang.Object

com.google.gerrit.index.query.PaginatingSource<T>

All Implemented Interfaces:

DataSource<T>, HasCardinality

public class PaginatingSource<T>
extends Object
implements DataSource<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected final DataSource<T>	source

Constructor Summary

Constructors

Constructor	Description
PaginatingSource(DataSource<T> source, int start, IndexConfig indexConfig)

Method Summary

Modifier and Type	Method	Description
int	getCardinality()	Returns an estimate of the number of results a source can return.
protected boolean	isMatchable()
protected boolean	match(T object)	Checks whether the given object matches.
ResultSet<T>	read()	Returns read from the index and return the results.
ResultSet<FieldBundle>	readRaw()	Returns read from the index and return the raw results.
protected List<T>	transformBuffer(List<T> buffer)

Methods inherited from class java.lang.Object

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

Field Details

source

protected final DataSource<T> source

Constructor Details

PaginatingSource

public PaginatingSource(DataSource<T> source,
 int start,
 IndexConfig indexConfig)

Method Details

read

public ResultSet<T> read()

Description copied from interface: DataSource

Returns read from the index and return the results.

Specified by:

read in interface DataSource<T>

readRaw

public ResultSet<FieldBundle> readRaw()

Description copied from interface: DataSource

Returns read from the index and return the raw results.

Specified by:

readRaw in interface DataSource<T>

match

protected boolean match(T object)

Checks whether the given object matches.

Parameters:

object - the object to be matched

Returns:

whether the given object matches

isMatchable

protected boolean isMatchable()

transformBuffer

protected List<T> transformBuffer(List<T> buffer)

getCardinality

public int getCardinality()

Description copied from interface: HasCardinality

Returns an estimate of the number of results a source can return.

Specified by:

getCardinality in interface HasCardinality