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A driver for Apache Cassandra 1.2+ that works exclusively with the Cassandra Query Language version 3 (CQL3) and Cassandra's binary protocol.

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/*
 * Copyright DataStax, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.datastax.driver.core;

public class MetricsUtil {

    public static String hostMetricName(String prefix, Host host) {
        StringBuilder result = new StringBuilder(prefix);
        boolean first = true;
        for (byte b : host.getSocketAddress().getAddress().getAddress()) {
            if (first) {
                first = false;
            } else {
                result.append('_');
            }
            result.append(b & 0xFF);
        }
        return result.toString();
    }
}