com.basho.riak.client.response
Class StreamedKeysCollection

java.lang.Object
  com.basho.riak.client.util.CollectionWrapper<java.lang.String>
      com.basho.riak.client.response.StreamedKeysCollection

All Implemented Interfaces:

java.lang.Iterable<java.lang.String>, java.util.Collection<java.lang.String>

public class StreamedKeysCollection
extends CollectionWrapper<java.lang.String>

Presents the stream of keys from a Riak bucket response with query parameter keys=stream as a collection. Keys are read from the stream as needed. Note, this class is NOT thread-safe!

Constructor Summary

StreamedKeysCollection(JSONTokener tokens)

Method Summary

protected boolean	cacheNext() Tries to read and cache another set of keys from the input stream.
protected void	closeBackend() Close the backend so no more objects can be read from it (getNext() should only return null afterwards).

Methods inherited from class com.basho.riak.client.util.CollectionWrapper

add, addAll, cache, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode

Constructor Detail

StreamedKeysCollection

public StreamedKeysCollection(JSONTokener tokens)

Method Detail

cacheNext

protected boolean cacheNext()

Tries to read and cache another set of keys from the input stream. This function is actually just a hacked-up implementation that finds the next available array in the stream and sucks elements out of it.

Specified by:

cacheNext in class CollectionWrapper<java.lang.String>

Returns:

true if an object was added to the cache; false otherwise.

closeBackend

protected void closeBackend()

Description copied from class: CollectionWrapper

Close the backend so no more objects can be read from it (getNext() should only return null afterwards). Called by clear().

Specified by:

closeBackend in class CollectionWrapper<java.lang.String>