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A driver for DataStax Enterprise (DSE) and Apache Cassandra 1.2+ clusters that works exclusively with the Cassandra Query Language version 3 (CQL3) and Cassandra's binary protocol, supporting DSE-specific features such as geospatial types, DSE Graph and DSE authentication.

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/*
 * Copyright (C) 2012-2017 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;
    }
}