org.whaka.data.shuffle

Class AbstractRowCollector

java.lang.Object

org.whaka.data.shuffle.AbstractRowCollector

All Implemented Interfaces:

RowCollector

public abstract class AbstractRowCollector
extends java.lang.Object
implements RowCollector

Abstract implementation of the RowCollector interface. Provides functionality to collect rows into a list, if they are validated by an abstract validation method.

Subclasses should implement RowCollector.isValidRow(int[]) method, providing proper algorithm to validate incoming rows.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.LinkedList<int[]>	rows Final list in which incoming valid rows will be collected.

Constructor Summary

Constructors

Constructor and Description
AbstractRowCollector()

Method Summary

Modifier and Type	Method and Description
boolean	addRowIfValid(int[] row) This method returns true if specified row is valid and added to the collection, or false otherwise.
java.util.List<int[]>	getRows() Returns all the collected rows.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.whaka.data.shuffle.RowCollector

isValidRow

Field Detail

rows

protected final java.util.LinkedList<int[]> rows

Final list in which incoming valid rows will be collected.

Constructor Detail

AbstractRowCollector

public AbstractRowCollector()

Method Detail

addRowIfValid

public boolean addRowIfValid(int[] row)

Description copied from interface: RowCollector

This method returns true if specified row is valid and added to the collection, or false otherwise.

If RowCollector.isValidRow(int[]) returns true for a specific row, then immediate call to this method should also be successful for the same row (if no other rows were added inbetween method calls).

Specified by:

addRowIfValid in interface RowCollector

getRows

public java.util.List<int[]> getRows()

Description copied from interface: RowCollector

Returns all the collected rows. All rows for which RowCollector.addRowIfValid(int[]) returned true should be present in the result collection.

Specified by:

getRows in interface RowCollector