nl.renarj.jasdb.index.result

Class IndexSearchResultIteratorImpl

java.lang.Object

nl.renarj.jasdb.index.result.IndexSearchResultIteratorImpl

All Implemented Interfaces:

Iterable<Key>, Iterator<Key>, IndexSearchResultIterator, IndexSearchResultIteratorCollection

public class IndexSearchResultIteratorImpl
extends Object
implements IndexSearchResultIteratorCollection

Constructor Summary

Constructors

Constructor and Description
IndexSearchResultIteratorImpl(List<Key> keys, KeyNameMapper keyNameMapper)

Method Summary

Modifier and Type	Method and Description
KeyNameMapper	getKeyNameMapper() Maps from field names to key indexes
List<Key>	getKeys() Gets a list of keys contained in the iterator
boolean	hasNext()
boolean	isEmpty() If the result is empty
Iterator<Key>	iterator()
Key	next()
void	remove()
void	reset() Resets the index result iterator
int	size() The amount of results found in the index
List<Key>	subset(int start, int limit) Gets a subset of the collection of keys in the iterator

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

IndexSearchResultIteratorImpl

public IndexSearchResultIteratorImpl(List<Key> keys,
                                     KeyNameMapper keyNameMapper)

Method Detail

subset

public List<Key> subset(int start,
                        int limit)

Description copied from interface: IndexSearchResultIteratorCollection

Gets a subset of the collection of keys in the iterator

Specified by:

subset in interface IndexSearchResultIteratorCollection

Parameters:

start - THe start of the subset

limit - The maximum amount to put in the subset

Returns:

The subset as list, empty list if nothing in iterator

getKeys

public List<Key> getKeys()

Description copied from interface: IndexSearchResultIteratorCollection

Gets a list of keys contained in the iterator

Specified by:

getKeys in interface IndexSearchResultIteratorCollection

Returns:

THe list of keys in the iterator

getKeyNameMapper

public KeyNameMapper getKeyNameMapper()

Description copied from interface: IndexSearchResultIterator

Maps from field names to key indexes

Specified by:

getKeyNameMapper in interface IndexSearchResultIterator

Returns:

The key name mapper to map indexes to field names

size

public int size()

Description copied from interface: IndexSearchResultIterator

The amount of results found in the index

Specified by:

size in interface IndexSearchResultIterator

Returns:

The amount of results

isEmpty

public boolean isEmpty()

Description copied from interface: IndexSearchResultIterator

If the result is empty

Specified by:

isEmpty in interface IndexSearchResultIterator

Returns:

True if the result is empty, False if not

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Key>

next

public Key next()

Specified by:

next in interface Iterator<Key>

remove

public void remove()

Specified by:

remove in interface Iterator<Key>

reset

public void reset()

Description copied from interface: IndexSearchResultIterator

Resets the index result iterator

Specified by:

reset in interface IndexSearchResultIterator

iterator

public Iterator<Key> iterator()

Specified by:

iterator in interface Iterable<Key>