Package rasj.odmg

Class RasCollection

java.lang.Object

java.util.AbstractCollection

rasj.odmg.RasCollection

All Implemented Interfaces:

Iterable, Collection, DCollection

Direct Known Subclasses:

RasBag, RasList, RasSet

public abstract class RasCollection
extends AbstractCollection
implements DCollection

This abstract class should implement the ODMG DCollection interface but is not implemented yet, please use subclass RasBag

Constructor Summary

Constructors

Constructor	Description
RasCollection()

Method Summary

Modifier and Type	Method	Description
boolean	existsElement(String predicate)	Not implemented yet.
Iterator	iterator()	Not implemented yet.
DCollection	query(String predicate)	Not implemented yet.
Iterator	select(String predicate)	Not implemented yet.
Object	selectElement(String predicate)	Not implemented yet.
int	size()	Not implemented yet.

Methods inherited from class java.util.AbstractCollection

add, addAll, clear, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, parallelStream, remove, removeAll, removeIf, retainAll, spliterator, stream, toArray, toArray, toArray

Methods inherited from interface java.lang.Iterable

forEach

Constructor Details

RasCollection

public RasCollection()

Method Details

query

public DCollection query(String predicate)

Not implemented yet.

Specified by:

query in interface DCollection

Parameters:

predicate - An OQL boolean query predicate.

Returns:

A new collection containing the elements that evaluated true for the predicate.

select

public Iterator select(String predicate)

Not implemented yet.

Specified by:

select in interface DCollection

Parameters:

predicate - An OQL boolean query predicate.

Returns:

An iterator used to iterate over the elements that evaluated true for the predicate.

existsElement

public boolean existsElement(String predicate)

Not implemented yet.

Specified by:

existsElement in interface DCollection

Parameters:

predicate - An OQL boolean query predicate.

Returns:

True if there is an element of the collection that evaluates to true for the predicate, otherwise false.

selectElement

public Object selectElement(String predicate)

Not implemented yet.

Specified by:

selectElement in interface DCollection

Parameters:

predicate - An OQL boolean query predicate.

Returns:

The element that evaluates to true for the predicate. If no element evaluates to true, null is returned.

size

public int size()

Not implemented yet.

Specified by:

size in interface Collection

Specified by:

size in class AbstractCollection

iterator

public Iterator iterator()

Not implemented yet.

Specified by:

iterator in interface Collection

Specified by:

iterator in interface Iterable

Specified by:

iterator in class AbstractCollection