com.goldencode.p2j.persist

Class ProgressiveResults.Locator

java.lang.Object

com.goldencode.p2j.persist.ProgressiveResults.Locator

Enclosing class:

ProgressiveResults

private static class ProgressiveResults.Locator
extends java.lang.Object

A descriptor object used to locate results brackets and store information used to access them. The parameters stored in this object are used both to identify a particular row among the brackets of results, and to create new brackets.

Field Summary

Fields

Modifier and Type	Field and Description
private int	bracket 0-based bracket index within list of delegate result set objects
private int	offset Offset of a particular record from the start of a bracket
private int	row 0-based index of a row in the virtualized result set
private int	size Number of records in a bracket

Constructor Summary

Constructors

Constructor and Description
Locator(int bracket, int offset, int size, int row) Convenience constructor.

Method Summary

Modifier and Type	Method and Description
(package private) int	getBracket() Get the 0-based bracket index within a list of delegate result set objects.
(package private) int	getOffset() Get the offset of a particular record from the start of the bracket.
(package private) int	getRow() Get the 0-based index of a row in the virtualized result set.
(package private) int	getSize() Get the number of records in the bracket.
java.lang.String	toString() Get a string reprentation of this object's current state.

Methods inherited from class java.lang.Object

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

Field Detail

bracket

private int bracket

0-based bracket index within list of delegate result set objects

offset

private int offset

Offset of a particular record from the start of a bracket

size

private int size

Number of records in a bracket

row

private int row

0-based index of a row in the virtualized result set

Constructor Detail

Locator

Locator(int bracket,
        int offset,
        int size,
        int row)

Convenience constructor.

Parameters:

bracket - 0-based bracket index within a list of delegate result set objects.

offset - Offset of a particular record from the start of a bracket.

size - Number of records in a bracket.

row - 0-based index of a row in the virtualized result set.

Method Detail

getBracket

int getBracket()

Get the 0-based bracket index within a list of delegate result set objects.

Returns:

Bracket index.

getOffset

int getOffset()

Get the offset of a particular record from the start of the bracket.

Returns:

Row offset within a bracket.

getSize

int getSize()

Get the number of records in the bracket.

Returns:

Bracket size.

getRow

int getRow()

Get the 0-based index of a row in the virtualized result set.

Returns:

Offset of row from the start of all brackets.

toString

public java.lang.String toString()

Get a string reprentation of this object's current state.

Overrides:

toString in class java.lang.Object

Returns:

String which describes this locator.