me.prettyprint.cassandra.service
Class KeyIterator<K>

java.lang.Object
  me.prettyprint.cassandra.service.KeyIterator<K>

Type Parameters:

K - the type of the row key

All Implemented Interfaces:

Iterable<K>

Direct Known Subclasses:

StringKeyIterator

public class KeyIterator<K>
extends Object
implements Iterable<K>

This class returns each key in the specified Column Family as an Iterator. You can use this class in a for loop without the overhead of first storing each key in a large array. See StringKeyIterator for a convenience class if the key is a String.

Author:

Tim Koop

See Also:

StringKeyIterator

Constructor Summary

KeyIterator(Keyspace keyspace, String columnFamily, Serializer<K> serializer)

KeyIterator(Keyspace keyspace, String columnFamily, Serializer<K> serializer, int maxRowCount)

KeyIterator(Keyspace keyspace, String columnFamily, Serializer<K> serializer, K start, K end)

KeyIterator(Keyspace keyspace, String columnFamily, Serializer<K> serializer, K start, K end, int maxRowCount)

Method Summary

Iterator<K>

iterator()

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyIterator

public KeyIterator(Keyspace keyspace,
                   String columnFamily,
                   Serializer<K> serializer)

KeyIterator

public KeyIterator(Keyspace keyspace,
                   String columnFamily,
                   Serializer<K> serializer,
                   int maxRowCount)

KeyIterator

public KeyIterator(Keyspace keyspace,
                   String columnFamily,
                   Serializer<K> serializer,
                   K start,
                   K end)

KeyIterator

public KeyIterator(Keyspace keyspace,
                   String columnFamily,
                   Serializer<K> serializer,
                   K start,
                   K end,
                   int maxRowCount)

Method Detail

iterator

public Iterator<K> iterator()

Specified by:

iterator in interface Iterable<K>