Package org.gvsig.fmap.dal.spi

Class AbstractDataProviderIterator

java.lang.Object

org.gvsig.tools.dispose.impl.AbstractDisposable

org.gvsig.fmap.dal.spi.AbstractDataProviderIterator

All Implemented Interfaces:

Iterator, org.gvsig.tools.dispose.Disposable, org.gvsig.tools.dispose.DisposableIterator

Direct Known Subclasses:

AbstractFeatureProviderIterator

public abstract class AbstractDataProviderIterator
extends org.gvsig.tools.dispose.impl.AbstractDisposable
implements org.gvsig.tools.dispose.DisposableIterator

Abstract base implementation for data iterators.

Author:

2009- César Ordiñana - gvSIG team

Field Summary

Fields inherited from interface org.gvsig.tools.dispose.DisposableIterator

EMPTY_DISPOSABLE_ITERATOR

Constructor Summary

Constructors

Constructor	Description
AbstractDataProviderIterator(DataStoreProvider dataStoreProvider)	Creates a new iterator instance.

Method Summary

Modifier and Type	Method	Description
protected DataStoreProvider	getDataStoreProvider()	Returns the DataStoreProvider to load the Iterator data.
protected final org.gvsig.fmap.dal.resource.Resource	getResource()	Returns the Resource from where the data is going to be loaded.
boolean	hasNext()
protected abstract boolean	internalHasNext()	Returns if there are more elements to get from the iterator.
protected abstract Object	internalNext()	Returns the next iterator element.
Object	next()

Methods inherited from class org.gvsig.tools.dispose.impl.AbstractDisposable

dispose, dispose, doDispose

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.tools.dispose.Disposable

dispose

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Details

AbstractDataProviderIterator

public AbstractDataProviderIterator(DataStoreProvider dataStoreProvider)

Creates a new iterator instance.

Parameters:

storeProvider - to load the FeatureProviders from

Method Details

next

public Object next()

Specified by:

next in interface Iterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

getResource

protected final org.gvsig.fmap.dal.resource.Resource getResource()

Returns the Resource from where the data is going to be loaded.

Returns:

the Resource from where the data is going to be loaded

getDataStoreProvider

protected DataStoreProvider getDataStoreProvider()

Returns the DataStoreProvider to load the Iterator data.

Returns:

the DataStoreProvider

internalNext

protected abstract Object internalNext()

Returns the next iterator element. It is the child classes implementation for the next() method.

Returns:

the next element

internalHasNext

protected abstract boolean internalHasNext()

Returns if there are more elements to get from the iterator. It is the child classes implementation for the hasNext() method.

Returns:

if there are more elements