org.opennms.newts.persistence.cassandra

Class ConcurrentResultWrapper

java.lang.Object

org.opennms.newts.persistence.cassandra.ConcurrentResultWrapper

All Implemented Interfaces:

Iterator<com.datastax.oss.driver.api.core.cql.Row>

public class ConcurrentResultWrapper
extends Object
implements Iterator<com.datastax.oss.driver.api.core.cql.Row>

Constructor Summary

Constructors

Constructor and Description
ConcurrentResultWrapper(Collection<CompletionStage<com.datastax.oss.driver.api.core.cql.AsyncResultSet>> futures)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
com.datastax.oss.driver.api.core.cql.Row	next()
void	remove()
Iterator<com.datastax.oss.driver.api.core.cql.Row>	toBlockingIterator(com.datastax.oss.driver.api.core.cql.AsyncResultSet rs) Converts a AsyncResultSet to a blocking iterator.

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

Constructor Detail

ConcurrentResultWrapper

public ConcurrentResultWrapper(Collection<CompletionStage<com.datastax.oss.driver.api.core.cql.AsyncResultSet>> futures)

Method Detail

toBlockingIterator

public Iterator<com.datastax.oss.driver.api.core.cql.Row> toBlockingIterator(com.datastax.oss.driver.api.core.cql.AsyncResultSet rs)

Converts a AsyncResultSet to a blocking iterator. This iterator blocks when the next page is loading - loading only one page at a time.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<com.datastax.oss.driver.api.core.cql.Row>

next

public com.datastax.oss.driver.api.core.cql.Row next()

Specified by:

next in interface Iterator<com.datastax.oss.driver.api.core.cql.Row>

remove

public void remove()

Specified by:

remove in interface Iterator<com.datastax.oss.driver.api.core.cql.Row>