com.sparsity.sparksee.gdb

Class KeyValues

java.lang.Object

com.sparsity.sparksee.gdb.KeyValues

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.util.Iterator<KeyValue>

public class KeyValues
extends java.lang.Object
implements java.io.Closeable, java.util.Iterator<KeyValue>

Value set class.

This is a set of Value instances, that is there is no duplicated elements.

Use a ValuesIterator to traverse all the elements into the set.

When the Values instance is closed, it closes all existing and non-closed ValuesIterator instances too.

Author:

Sparsity Technologies http://www.sparsity-technologies.com

Method Summary

Modifier and Type	Method and Description
void	close() Closes the KeyValues instance.
boolean	hasNext() Checks if the KeyValues has more KeyValue pairs.
boolean	isClosed() Gets if KeyValues instance has been closed or not.
KeyValue	next() Gets the next KeyValue pair.
void	next(KeyValue kv) Gets the next KeyValue pair.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Method Detail

isClosed

public boolean isClosed()

Gets if KeyValues instance has been closed or not.

Returns:

TRUE if the KeyValues instance has been closed, FALSE otherwise.

See Also:

close()

next

public KeyValue next()

Gets the next KeyValue pair.

Specified by:

next in interface java.util.Iterator<KeyValue>

Returns:

Returns the next KeyValue pair

next

public void next(KeyValue kv)

Gets the next KeyValue pair.

Parameters:

kv - Returns the next KeyValue pair

hasNext

public boolean hasNext()

Checks if the KeyValues has more KeyValue pairs.

Specified by:

hasNext in interface java.util.Iterator<KeyValue>

Returns:

Returns ture if there are more KeyValue pairs

close

public void close()

Closes the KeyValues instance.

It must be called to ensure the integrity of all data.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable