Package org.assertj.db.navigation

Class Position<E extends AbstractElement<E> & Navigation,N extends AbstractElement<N> & Navigation,D extends DbElement>

java.lang.Object

org.assertj.db.navigation.Position<E,N,D>

Type Parameters:

E - The class of the actual position (an sub-class of AbstractElement and of Navigation).

N - The class of the next position where the navigation go (an sub-class of AbstractElement and of Navigation).

D - The class of the database element on which is the next position (an sub-class of DbElement).

Direct Known Subclasses:

PositionWithColumns

public abstract class Position<E extends AbstractElement<E> & Navigation,N extends AbstractElement<N> & Navigation,D extends DbElement>
extends Object

Position during navigation.

Since:

1.1.0

Author:

Régis Pouiller

Constructor Summary

Constructors

Constructor	Description
Position(E myself, Class<N> elementClass)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected D	getDbElement(List<D> dbElementsList, int index)	Returns the Row at the index in parameter.
protected abstract String	getDescription(int index)	Returns the description.
N	getInstance(List<D> elementsList)	Gets an instance of element of navigation corresponding to the next index.
N	getInstance(List<D> elementsList, int index)	Gets an instance of element of navigation corresponding to the index.

Methods inherited from class java.lang.Object

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

Constructor Details

Position

public Position(E myself,
 Class<N> elementClass)

Constructor.

Parameters:

myself - Actual value.

elementClass - Class of the element of navigation (used to make instance).

Method Details

getDbElement

protected D getDbElement(List<D> dbElementsList,
 int index)

Returns the Row at the index in parameter.

Parameters:

dbElementsList - List of db elements.

index - The index corresponding to the Row.

Returns:

The Row.

Throws:

AssertJDBException - If the index is out of the bounds.

getInstance

public N getInstance(List<D> elementsList)

Gets an instance of element of navigation corresponding to the next index. If this instance is already instanced, the method returns it from the cache.

Parameters:

elementsList - List of elements.

Returns:

The instance of element of navigation.

getInstance

public N getInstance(List<D> elementsList,
 int index)

Gets an instance of element of navigation corresponding to the index. If this instance is already instanced, the method returns it from the cache.

Parameters:

elementsList - List of elements.

index - Index of the element on which is the instance of element of navigation.

Returns:

The instance of element of navigation.

getDescription

protected abstract String getDescription(int index)

Returns the description.

Parameters:

index - Index of the value.

Returns:

The description