CoreKeyGroupByCombiner.KeyValueIterator (uk.gov.gchq.gaffer:gaffer2 2.3.2 API)

java.lang.Object
- uk.gov.gchq.gaffer.accumulostore.key.core.impl.CoreKeyGroupByCombiner.KeyValueIterator

All Implemented Interfaces:

Iterator<Properties>

Enclosing class:

CoreKeyGroupByCombiner
```
public static class CoreKeyGroupByCombiner.KeyValueIterator
extends Object
implements Iterator<Properties>
```
A Java Iterator that iterates over the properties for a given row Key and column family from a source SortedKeyValueIterator.

Constructor Summary

Constructors
Constructor	Description
`KeyValueIterator(org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value> source, String group, AccumuloElementConverter elementConverter, Schema schema, Set<String> groupBy)`	Constructs an iterator over `Value`s whose `Key`s are versions of the current topKey of the source `SortedKeyValueIterator`.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

boolean hasNext()

Properties next()

void remove()
unsupported
- Methods inherited from class java.lang.Object
  equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface java.util.Iterator
  forEachRemaining

- Constructor Detail
  - KeyValueIterator
```
public KeyValueIterator(org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value> source,
                        String group,
                        AccumuloElementConverter elementConverter,
                        Schema schema,
                        Set<String> groupBy)
```
    Constructs an iterator over Values whose Keys are versions of the current topKey of the source SortedKeyValueIterator.
    
    Parameters:
    
    source - The SortedKeyValueIterator of Key, Value pairs from which to read data.
    
    group - the element group
    
    elementConverter - the elementConverter to use
    
    schema - the schema
    
    groupBy - the groupBy properties
- Method Detail
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface Iterator<Properties>
  - next
```
public Properties next()
```
    Specified by:
    
    next in interface Iterator<Properties>
  - remove
```
public void remove()
```
    unsupported
    
    Specified by:
    
    remove in interface Iterator<Properties>