com.datastax.driver.dse.HostTargetingStatement Maven / Gradle / Ivy
/*
* Copyright (C) 2012-2016 DataStax Inc.
*
* This software can be used solely with DataStax Enterprise. Please consult the license at
* http://www.datastax.com/terms/datastax-dse-driver-license-terms
*/
package com.datastax.driver.dse;
import com.datastax.driver.core.Host;
import com.datastax.driver.core.Statement;
import com.datastax.driver.core.StatementWrapper;
/**
* Wraps a statement to indicate a given host as the optimal coordinator to use for the query.
*
* This is used in concert with {@link DseLoadBalancingPolicy} to target graph OLAP queries to the graph analytics
* master.
*/
class HostTargetingStatement extends StatementWrapper {
final Host preferredHost;
HostTargetingStatement(Statement wrapped, Host preferredHost) {
super(wrapped);
this.preferredHost = preferredHost;
}
}